CN107018352A - A kind of method of video image processing, apparatus and system - Google Patents
A kind of method of video image processing, apparatus and system Download PDFInfo
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- CN107018352A CN107018352A CN201610053634.2A CN201610053634A CN107018352A CN 107018352 A CN107018352 A CN 107018352A CN 201610053634 A CN201610053634 A CN 201610053634A CN 107018352 A CN107018352 A CN 107018352A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/142—Detection of scene cut or scene change
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/144—Movement detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/147—Scene change detection
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Abstract
This application provides a kind of method of video image processing, apparatus and system, including：Video image in transmitting terminal acquisition monitoring scene；The video image is split as the first image and the second image；Calculate the different information between second image and the reference picture prestored；Transferring content is determined according to the different information and sent, the transferring content includes described first image and the information for determining the second image；Receiving terminal receives transferring content, and the transferring content includes the first image and the information for determining the second image；Second image is determined according to the information and the reference picture synchronous with transmitting terminal for being used to determine the second image；Raw video image is generated according to described first image and second image.Because the embodiment of the present application need not transmit whole video image, on the basis of transmission, the data volume in transmitting procedure correctly can be greatly reduced ensuring video image, reduce the transmission pressure of communication network.
Description
Technical field
The application is related to technical field of image processing, more particularly to a kind of method of video image processing, device and
System.
Background technology
At present, it is unprecedentedly surging to the demand of video monitoring system in worldwide, the camera of various countries' deployment
It is more and more intensive.According to statistics, the whole nation sets up number of cameras close to 1.5 hundred million, and wherein high-definition camera connects
Nearly 15,000,000, the camera of magnanimity generates huge video data.Monitoring in face of such magnanimity is regarded
Frequency evidence, data compression technique turns into storage and transmits the effective way of a large amount of digital informations.
Mainly there are two kinds of Lossless Compression and lossy compression method for the compression method of multimedia video business, wherein,
For the JPEG (Joint Photographic Experts Group) and the MPEG of dynamic image of still image
(Motion Picture Experts Group) series of compression standard (MPEG-1, MPEG-2, MPEG-4,
H.264 etc.) it is most representational compress technique.
In intelligent video monitoring system, traditional method for compressing image is that video is carried out into reduced overall, is changed
Become the data volume of whole file.The data volume being transmitted after compressing in this way is still larger, logical
Larger transmission pressure is brought to communication network in the case that letter bandwidth is limited.
Prior art deficiency is：
The data volume being transmitted after being compressed using existing method for compressing image is still larger, to communication network
Bring larger pressure.
The content of the invention
The embodiment of the present application proposes a kind of method of video image processing, apparatus and system, to solve existing skill
The data volume transmitted after being compressed in art using existing method for compressing image is still larger, is brought to communication network
The technical problem of larger pressure.
The embodiment of the present application first aspect provides a kind of method of video image processing, comprises the following steps：
Video image in acquisition monitoring scene；
The video image is split as the first image and the second image；
Calculate the different information between second image and the reference picture prestored；
Transferring content is determined according to the different information and sent, the transferring content includes described first image
With the information for determining the second image.
The embodiment of the present application second aspect provides a kind of video image processing device, including：
Acquisition module, for the video image in acquisition monitoring scene；
Module is split, for the video image to be split as into the first image and the second image；
Computing module, for calculating the letter of the difference between second image and the reference picture prestored
Breath；
First communication module, for determining transferring content according to the different information and sending, in the transmission
Holding includes described first image and the information for determining the second image.
Have the beneficial effect that：
Method of video image processing and device that the embodiment of the present application is provided, in monitoring scene is collected
After video image, the video image first can be split as the first image and the second image, then calculate second
Difference between image and the reference picture prestored, transferring content, the content of transmission are determined according to the difference
Information including the first image and for the second image of determination, due to whole video image need not be transmitted, from
And the data volume of transmission is greatly reduced, reduce the transmission pressure of communication network.
The embodiment of the present application third aspect provides a kind of method of video image processing, comprises the following steps：
Transferring content is received, the transferring content includes the first image and the information for determining the second image；
The is determined according to the information and the reference picture synchronous with transmitting terminal for being used to determine the second image
Two images；
Raw video image is generated according to described first image and second image.
The embodiment of the present application fourth aspect provides a kind of video image processing device, including：
Second communication module, for receiving transferring content, the transferring content includes the first image and for true
The information of fixed second image；
Image determining module, for according to the information for being used to determine the second image and synchronous with transmitting terminal
Reference picture determine the second image；
Image generation module, for generating original video figure according to described first image and second image
Picture.
Method of video image processing and device that the embodiment of the present application is provided, due to reception transferring content only
Information for the first image and for the second image of determination, rather than whole video image, are receiving first
Image and for determine the second image information after receiving terminal carry out reduction can obtain raw video image,
The data volume of transmission is greatly reduced compared with prior art, reduces the transmission pressure of communication network.
The aspect of the embodiment of the present application the 5th provides a kind of video image processing system, including transmitting terminal and reception
End, the transmitting terminal includes the video image processing device that above-mentioned second aspect is provided, and the receiving terminal includes
The video image processing device that above-mentioned fourth aspect is provided.
Have the beneficial effect that：
The video image processing system that the embodiment of the present application is provided, transmitting terminal tears the video image collected open
It is divided into the first image and the second image, calculates the different information between the second image and the reference picture prestored,
Transferring content is determined according to the different information, the transferring content includes the first image and for determining second
The information of image, receiving terminal is received after the transferring content, according to the letter for being used to determine the second image
Breath and the reference picture synchronous with transmitting terminal determine the second image, by described first image and the second image sets
Close reduction and obtain raw video image, the embodiment of the present application is ensuring video image correctly on the basis of transmission,
The data volume in transmitting procedure is greatly reduced, the transmission pressure of communication network is reduced.
Brief description of the drawings
The specific embodiment of the application is described below with reference to accompanying drawings, wherein：
Fig. 1 shows existing intelligent video monitoring process schematic；
Fig. 2 shows the schematic flow sheet that transmitting terminal method of video image processing is implemented in the embodiment of the present application；
Fig. 3 shows the reference picture schematic diagram obtained in the embodiment of the present application using fixing camera；
Fig. 4 shows the reference picture schematic diagram obtained in the embodiment of the present application using interactive photography head；
Fig. 5 shows the schematic flow sheet that receiving terminal method of video image processing is implemented in the embodiment of the present application；
Fig. 6 shows the structural representation of transmitting terminal video image processing device in the embodiment of the present application；
Fig. 7 shows the structural representation of receiving terminal video image processing device in the embodiment of the present application；
Fig. 8 shows the structural representation of video image processing system in the embodiment of the present application；
Fig. 9 shows that section is with the configuration diagram for changing video monitoring system in the embodiment of the present application；
Figure 10 shows section bandization processing procedure schematic diagram in the embodiment of the present application.
Embodiment
In order that the technical scheme and advantage of the application are more clearly understood, below in conjunction with accompanying drawing to the application's
Exemplary embodiment is described in more detail, it is clear that described embodiment is only the one of the application
Section Example, rather than all embodiments exhaustion.And in the case where not conflicting, in this explanation
Feature in embodiment and embodiment can be combined with each other.
Inventor notices during invention：
With the progress of modern electronic technology and technique, the calculating of communication network device, storage capacity are increasingly strong
Greatly.However, compression and optimization that the compress technique such as existing MPEG is carried out in itself just for video traffic,
The advantage and feature of communication network device are not given full play of, are not entered from the angle of communication system
Row design.On the other hand, communication (Communication), calculating (Computing) and storage (Caching)
3C fusions also become the trend of communication system development.In view of the progress of network equipment ability, in terminal
It has not been difficult matter that complicated calculations are carried out with storage, however, communication bandwidth is limited, the scarcity of the communication resource
But the pressure of transmission is caused.
It, to an acceptable scope, is towards storage that traditional compression method, which is video image compression,；
And with the development of terminal technology, storage has not been gradually problem, because communication bandwidth is limited, communication money
Source is deficient, now the problem of be to transmit (passage), therefore, slow down transmission pressure even more important.
It has been recognised by the inventors that the actual amount of data that the data volume of transmission can be recovered with terminal is differed.Tradition
Method for compressing image be that video is subjected to reduced overall, change the data volume of whole file, and actually right
Most harsh information data amount requirement is transmission link, if can further press the data volume for needing to transmit
Contracting, will greatly alleviate the pressure of communication network.
The main contents of intelligent video monitoring research, which are how to extract from original video data, to be met
The semantic understanding of human cognitive, that is, wish that computer capacity is automatically analyzed as people and understand video data.Such as,
Judge to have which interesting target, historical movement track in scene, be engaged between what behavior and target
Relation etc..
Fig. 1 shows existing intelligent video monitoring process schematic, as shown in the figure.In general, intelligence is regarded
Bottom, middle level and high-rise 3 levels can be divided into the processing of video image in frequency monitoring research, wherein：
Bottom, be from video image acquisition terminal obtain image sequence, interesting target is detected and with
Track, so as to target carry out subsequent treatment, analysis, mainly solve target where the problem of；
Middle level, is that the various information of moving target are extracted on the basis of bottom and correlated judgment, target is carried out
Identification can include target classification, individual identification etc.；
High level, is responsible for behavior of the processing completion to target and is analyzed and understood, behavioural analysis can include appearance
State identification, event analysis, Activity recognition etc..
Therefore, inventor notices：If can by the not high background information of intensity of variation, level of interest with
Intensity of variation, level of interest very high prospect (target) information understood and split, only will be therein before
Scape information is transmitted, and will certainly will greatly reduce the transmitted data amount of video monitoring system.
Based on this, the embodiment of the present application proposes a kind of method of video image processing, apparatus and system, fully
With reference to the communication, calculating and storage capacity of mobile communication network device, the spy based on intelligent video monitoring system
Point, is illustrated below.
Fig. 2 shows the schematic flow sheet that transmitting terminal method of video image processing is implemented in the embodiment of the present application,
As illustrated, the method for video image processing may include steps of：
Video image in step 201, acquisition monitoring scene；
Step 202, the video image is split as the first image and the second image；
Different information between step 203, calculating second image and the reference picture prestored；
Step 204, transferring content is determined according to the different information and sent, the transferring content includes institute
State the first image and the information for determining the second image.
In specific implementation, the video image in acquisition monitoring scene can be realized by existing monitoring device, example
Such as：Fixing camera, interactive photography head, RGBD sensors etc..
Described first image can be mesh interested during dynamic, motion or monitoring in video image
Mark；During second image can be base scene in video image, fixation, static or monitoring
Uninterested target, specifically can be configured or define according to actual needs.Second image can be with
For target of loseing interest in monitoring scene, for example：The objects such as trees, road, house；Described first image
Can be interesting target in monitoring scene, for example：The objects such as pedestrian, animal, vehicle.Generally, it is described
Second image can be the target that inactive state is constantly in monitoring scene, and described first image can be then
The target being kept in motion in monitoring scene, described first image is not the target for being always maintained at motion,
But the target that can be moved for second image.
When carrying out the first image (interesting target) and the second image (target of loseing interest in) fractionation, need
Will to the video image carry out target detection, from the video image extract interesting target position,
The information such as size.According to the difference of the data object of processing, target detection can be divided into based on background modeling
Moving target detecting method and the detection method based on Target Modeling：
Method based on background modeling, it is desirable to which interesting target is to maintain motion, and background keeps constant,
Its method can include inter-frame difference, mean filter, medium filtering, extreme value filtering, linear filtering, be based on
The method of Hidden Markov, the method based on autoregression model, many Gaussian Background modeling methods of mixing
(Gaussian Mixture Model, GMM) etc..
And based on mesh object detection method, do not limited, fixing camera shooting can be not only regarded by scene
Frequency carries out the detection of interesting target, and can also handle that single-frame static images or mobile camera shoot regards
Frequency is, it is necessary to by learning to a large amount of training objectives, train grader, cunning is done on the multiple yardsticks of image
Dynamic window scanning, completes target detection.
According to continuous video image by Video Image Segmentation foreground and background, when it is implemented, can be：
The first frame of video is read, gauss hybrid models are set up according to the information of the frame of video, are that each pixel is built
Multiple Gauss models are found, the pixel is initialized using the RGB color value of each pixel in the first two field picture
The average of corresponding Gauss model；After the completion of gauss hybrid models initialization, the next frame of video is read,
Matching is found in its corresponding multiple Gauss model to the current each pixel for reading in two field picture, according to matching
As a result initial partitioning is completed, should if the pixel finds the model of matching in corresponding multiple models
Each parameter of model is updated with the pixel color value；By that analogy.Go out using in some pixel position
The bigger principle of longer its model of color represents background between current possibility, most background and prospect are torn open at last
Branch away.
, can be by second image after the video image to be split as to the first image and the second image
Contrasted with the reference picture that prestores, calculate different information, determined finally according to the different information
The content to be transmitted, send in the transferring content, the transferring content and can include described first image
With the information for determining the second image.Wherein, the reference picture prestored can be in advance by existing
Monitoring camera acquire and stored as reference sample, can also pass through by modeling to reference sample
It is trained and obtains, specific training process can uses prior art.
The method of video image processing that the embodiment of the present application is provided, the video figure in monitoring scene is collected
As after, the video image first can be split as the first image and the second image, then calculate the second image with
Difference between the reference picture prestored, transferring content is determined according to the difference, and the content of transmission includes the
One image and the information for determining the second image, by the scheme that the embodiment of the present application is provided only needs transmission
First image and the information for determining the second image, it is not necessary to whole video image is transmitted, so as to subtract significantly
Lack the data volume of transmission, reduce the transmission pressure of communication network.
When it is implemented, described first image can be foreground image, second image can be Background
Picture, the reference picture can be background reference image, and the difference can be background difference.
Method of video image processing and device that the embodiment of the present application is provided, in monitoring scene is collected
After video image, the video image first can be split as foreground and background, then calculate the second image and pre-
Background difference between the reference picture deposited, transferring content is determined according to the difference, and the content of transmission includes
First image and the information for determining the second image, due to whole video image need not be transmitted, so that greatly
The data volume of transmission is reduced greatly, the transmission pressure of communication network is reduced.
It is described to be used to determine the second image when the different information is more than preset first threshold value in implementation
Information is specifically as follows：The different information；It is described when the different information is less than preset first threshold value
For determine the second image information be specially：The mark or the image of part second of the reference picture.
Wherein, the different information can be the information such as the expectation of color space matrix, characteristic value.It is specific real
Shi Shi, can use HSV color spaces, and the color space is, based on histogrammic pyramidal structure, to divide
Not Bao Kuo color, three histograms of saturation degree and brightness, due in HSV color spaces, color histograms
Figure is to provide primary colours and reflect the color relativeness of pixel secondary color, and color histogram can not be transmitted in transmission,
Only transmit saturation histogram and Luminance Histogram Difference.Finally, Histogram Mapping method is recycled to map out
Overall backcolor change.Wherein, because each histogram is 256 colors, two histograms are passed
It is then 256*2=512 data, and because transmitting terminal and receiving terminal synchronously have reference model, i.e., in the presence of three
Histogrammic benchmark, therefore, can only transmit 512 differences during transmission.
When it is implemented, a threshold value can be preset, second image is being calculated with prestoring
Reference picture between different information after, the difference and predetermined threshold value are compared, if described
Different information is more than predetermined threshold value, then, the information for being used to determine the second image can be the difference
Information, i.e. send described first image and the different information.
, can be with when the embodiment of the present application can work as second image and have larger difference with the reference picture that prestores
The different information calculated is sent to receiving terminal, without sending whole video image, so that in certain journey
The data volume of transmission is reduced on degree.
It is described to be used to determine the second image when the different information is less than preset first threshold value in implementation
Information is specifically as follows：The mark of the reference picture.
If when it is implemented, the difference between second image and the reference picture prestored is smaller,
The mark ID of the reference picture then can be directly transmitted, because mark ID is substantially than video image
Data volume is small, so as to considerably reduce the data volume of transmission.
It is described to be used to determine the second image when the different information is less than preset first threshold value in implementation
Information is specifically as follows：The image of part second.
If when it is implemented, the difference between second image and the reference picture prestored is smaller,
A part for second image then can be only transmitted, for example：It can send adjacent with described first image
The image of part second, using as the information for determining the second image, because the embodiment of the present application can a transport part
Divide the second image, so as to reduce the data volume of transmission.
In implementation, before described first image is sent, methods described may further include：
Described first image is compressed.
When it is implemented, before described first image is sent, described first image can also be compressed,
The first image after compression is used to determine that the information of the second image is sent in the lump with described.
The compress mode for being directed to multimedia service in the prior art can be used to compressing for described first image,
Existing compression method can by two kinds of Lossless Compression and lossy compression method, wherein, can be adopted for still image
With compression standards such as Joint Photographic Experts Groups (JPEG, Joint Photographic Experts Group),
Dynamic image expert group (MPEG, Motion Picture Experts Group) can be used for dynamic image
Series of compression standard (MPEG-1, MPEG-2, MPEG-4, H.264) etc., the application is to described first
Image is not restricted specifically using which kind of compression method.
The embodiment of the present application is retransmited by being compressed to described first image, further reduces transmission
Data volume.
In implementation, the reference picture can be multiple；It is described to calculate second image and prestore
Different information between reference picture, is specifically as follows：
It is determined that with the immediate reference picture of the second image；
Calculate the different information between second image and the reference picture of the determination.
When it is implemented, reference picture of the same monitoring scene under different external environments is also different, this
It can be multiple to apply for reference picture described in embodiment, so as to including the monitoring field under various environment
The reference picture of scape, for example：The reference picture shot under the environment such as different light, lightness, color.
When the reference picture is multiple, the embodiment of the present application can be selected from the multiple reference picture
Go out one to be contrasted with the immediate reference picture of the second image, when it is implemented, can be pre-
First given threshold, selects the information such as color, lightness, contrast immediate with reference to figure with second image
Picture.
In implementation, the determination and the immediate reference picture of the second image are specifically as follows：
Second image and the multiple reference picture are compared；
It is determined that being described closest with reference picture that the difference of second image is less than default Second Threshold
Reference picture.
When it is implemented, second image and the multiple reference picture can be compared, which is seen
The difference (can calculate the information such as obtained desired value, characteristic value) of reference picture and second image
Less than default Second Threshold, if less than the default Second Threshold, then it is assumed that the reference picture and described the
Two images closely, are defined as immediate reference picture.
The embodiment of the present application can pre-establish a reference model storehouse, synchronously be deposited by transmitting terminal and receiving terminal
Multiple reference pictures Same Scene under various circumstances can be included in storage, the reference model storehouse, so that
Can select with the real-time immediate reference picture of second image, meet the contrast need of different scenes
Will, it is ensured that the data volume of the different information calculated is minimum.For fixing camera, it is only necessary to store
The scene of monitoring in different condition (such as：Illumination etc.) under reference picture.
Fig. 3 shows the reference picture schematic diagram obtained in the embodiment of the present application using fixing camera, such as schemes
It is shown, it can include Same Scene 5 under the environment such as different bright-dark degrees, light in background model storehouse
Reference picture, the embodiment of the present application can select one and real-time second image from this 5 reference pictures
The immediate reference picture of lightness, difference calculating is carried out by it with real-time second image.
In implementation, the reference picture is specially that interactive photography head is in the reference got during different conditions
Image；The determination and the immediate reference picture of the second image, are specifically as follows：
Obtain interactive photography head status；
Determined and the immediate reference picture of the second image according to the interactive photography head status.
When it is implemented, the reference picture can be obtained using interactive photography head, due to the interactive mode
Camera can change the scope for gathering image according to control information, therefore, according to residing for interactive photography head
The difference of state, can there is multiple reference pictures.Generally under certain circumstances, the different conditions of camera can
With one topography's set of correspondence, the embodiment of the present application can be referred to as camera i topography's set
Ui。
It is described to be determined and the immediate ginseng of second image according to the interactive photography head status in implementation
Image is examined, is specifically as follows：
Selected and institute in the multiple reference picture set obtained from the interactive photography head in different conditions
State the corresponding reference picture set of interactive photography head status；
Selected and described second from the reference picture set corresponding with the interactive photography head status
The reference picture that the difference of image is less than default Second Threshold is used as immediate reference picture.
Because the state changing method of interactive photography head is limited (such as rotate, scale), the application is implemented
It is f in the state of t that camera i is assumed in examplei(t, x), wherein x represent different operational orders, for example,
x1Represent rotation, x2Scaling etc. is represented, then fi(t, x) can be expressed as fi(t, x1, x2, x3...).Therefore, it is each
The state f of individual fixationi(t, x) can correspond to the topography of a specific environment, that is to say, that if known
Road camera i topography set UiWith the state f of ti(t, x), it is possible to recover the state
Reference picture.
For example：Assuming that the monitoring scene is monitored by 3 interactive photography heads, the interactive photography first 1
During in a certain state, a topography is shot during at 10 in the morning, a part is shot during 2 pm
Image, when the interactive photography first 1 is in another state, can shoot multiple topographies, most again
Topography set of the camera 1 under multiple states can be formed eventually, wrapped in topography's set
Include t fiThe topography shot under (t, x) state.
Fig. 4 shows the reference picture schematic diagram obtained in the embodiment of the present application using interactive photography head, such as
Shown in figure, obtained respectively after topography using 5 interactive photography heads, can be according to each shooting head
State combines the complete reference picture for obtaining current time, only needs to know camera when carrying out difference calculating
State is that can determine that corresponding reference picture, and then by the corresponding reference picture of the state and real-time second image
Contrasted, calculate difference.
It is determined that during with the immediate reference picture of second image, can first obtain the interactive photography
The shooting head status of head, can be determined and the shooting head status pair according to the difference of the shooting head status
The reference picture set answered, is picked out again in the reference picture set corresponding with the shooting head status
With the immediate reference picture of the second image.
The embodiment of the present application gives using interactive photography head acquisition reference picture and calculates different information
Embodiment, so that the application scenarios of the embodiment of the present application are extended, due to using interactive photography head
Carry out monitoring scene, the data volume for the video image that the video image of generation may be obtained than fixing camera is more
Greatly, the scheme provided by using the embodiment of the present application, needed for can greatly reducing interactive photography head
The data volume of transmission.
In implementation, the reference picture obtained when interactive photography head is in different conditions is specifically as follows：
Obtain control information；The control information includes interactive photography head numbering i and operational order；
Change the image-capture field of the interactive photography head according to the control information；
According to the shooting head status f of each interactive photography headi(t, x) and the topography's generation ginseng collected
Examine image, the fi(t, x) represents camera i in the state of t, and x is operating parameter.
When it is implemented, reference picture collector can send control information to change interactive photography head
State, to obtain the reference picture under different conditions.The embodiment of the present application get the control information it
Afterwards, the image-capture field of the interactive photography head can be changed according to the control information.In implementation,
The operational order is specifically as follows rotation and/or scaled, and the x is specifically as follows the anglec of rotation and/or contracting
Put multiple.For example：The angle of change camera, the multiple reduced/enlarged etc..
The interactive photography head status fi(t, x) can represent states of the camera i in t, and wherein x can
To represent the parameter of various operations, fi(t, x) can be expressed as fi(t, x1, x2, x3...), each state fixed
fi(t, x) can correspond to the reference picture under a corresponding scene, if knowing camera i reference picture collection
Close Ui and state fi(t, x), you can determine the reference picture of the state.
Assuming that interactive photography head has 3, respectively numbering i=1,2,3；Assuming that x1It is rotation, x2
It is amplification, camera 1 rotates 30 °, then the state f of camera 11(t, x1, x2), x1=30 °, x2=0；
Camera 2 is 2 times of diminution, then the state f of camera 22(t, x1, x2), x1=0, x2=0.5；Camera 3
3 times of amplification, then the state f of camera 33(t, x1, x2), x1=0, x2=3, so as to obtain to should state
Under reference picture set, wherein, x1、x2、x3The respectively parameter of camera 1,2,3.It is specific real
Shi Shi, these parameters can be relative to the relative value of standard value set in advance or relative to upper
The relative value of the numerical value at one moment.
The embodiment of the present application can be after control information be got according to the control information change interaction
The acquisition range of formula camera, the office collected according to each interactive photography head status and each camera
Portion image generation reference picture, not only allow for the factor of external environment, it is also contemplated that interactive photography head
State change factor, expands the sample set in background model storehouse, so as to adapt to various real-time backgrounds,
The more accurate data volume for calculating difference and reducing different information.
In implementation, the different information calculated between second image and the reference picture prestored,
It is specifically as follows：
According to second image and the tone saturation degree lightness HSV matrix meters of the reference picture prestored
Calculate different information.
When it is implemented, when calculating the different information between the second image and reference picture, it is possible to use two
The HSV matrixes of individual image are calculated, three components of HSV matrixes represent respectively color (Hue),
Saturation degree (Saturation) and value (Value).
Assuming that the HSV matrixes of real-time second image are：
HSV matrixes
The HSV matrixes of the reference picture prestored are：
HSV matrixes
According to HSV matrixes 1 and HSV matrixes 2 can calculate obtain the second image and reference picture it
Between different information, specific calculating process can use prior art, and the application will not be described here.
Fig. 5 shows the schematic flow sheet that receiving terminal method of video image processing is implemented in the embodiment of the present application,
As illustrated, the method for video image processing may include steps of：
Step 501, reception transferring content, the transferring content include the first image and for determining the second figure
The information of picture；
Step 502, according to the information for being used to determine the second image and synchronous with transmitting terminal with reference to figure
As determining the second image；
Step 503, raw video image generated according to described first image and second image.
When it is implemented, the transferring content that receiving terminal receiving end/sending end is sent, the transferring content can include
First image and the information for determining the second image, receiving terminal can be used to determine the second image according to described
Information and the reference picture synchronous with transmitting terminal determine the second image, most the first image and second at last
Image combination, reduction obtain original video image.
The method of video image processing that the embodiment of the present application is provided, because the transferring content of reception is only first
Image and the information for determining the second image, rather than whole video image, receive the first image and
Raw video image can be obtained by carrying out reduction in receiving terminal after information for determining the second image, compared to existing
There is technology to greatly reduce the data volume of transmission, reduce the transmission pressure of communication network.
When it is implemented, described first image can be foreground image, second image can be Background
Picture, the reference picture can be background reference image, and the difference can be background difference.
Method of video image processing and device that the embodiment of the present application is provided, due to reception transferring content only
For foreground image and for determining the information of background image, rather than whole video image, prospect is being received
Raw video image can be obtained by carrying out reduction in receiving terminal after image and information for determining background image,
The data volume of transmission is greatly reduced compared with prior art, reduces the transmission pressure of communication network.
It is described to be used to determine that the information of the second image is specifically as follows different information in implementation, it is described according to institute
State for determining that the information and the reference picture synchronous with transmitting terminal of the second image determine the second image, specifically
Can be：
Second image is reconstructed according to the different information and the reference picture synchronous with transmitting terminal.
When it is implemented, it is described be used for determine the second image information can be different information, receiving terminal according to
The different information is that can determine that the second image in conjunction with the reference picture synchronous with transmitting terminal.
The embodiment of the present application need not transmit whole video image, it is only necessary to transmit the first image and different information
To receiving terminal, the receiving terminal can reconstruct the second image and then obtain raw video image.
In implementation, the information for being used to determine the second image is specifically as follows the mark of reference picture；It is described
Second figure is determined according to the information and the reference picture synchronous with transmitting terminal for being used to determine the second image
Picture, is specifically as follows：
Determine that the reference picture is the second image according to the mark of the reference picture.
When it is implemented, assuming the reference model storehouse of transmitting terminal storage synchronous with receiving terminal includes multiple references
Image, the information for being used to determine the second image can be the mark ID of reference picture, and receiving terminal is being received
Can be determined after to the mark according to the mark in the multiple reference picture with the mark identical
Reference picture is the second image.
The transferring content that the embodiment of the present application is received can only include the mark of the first image and reference picture, i.e.,
The second image can be determined according to the mark of the reference picture and combination described first image reduction obtains original
Video image, considerably reduce the data volume of transmission.
It is described to be used to determine that the information of the second image is specifically as follows the image of part second in implementation；Described
The second image is determined according to the information and the reference picture synchronous with transmitting terminal for being used to determine the second image,
It is specifically as follows：
Second image is determined according to the image of part second and the reference picture synchronous with transmitting terminal.
When it is implemented, described be used to determine that the information of the second image can also be the image of part second, such as：
Can be the adjacent image of part second of described first image, receiving terminal is receiving the image of part second
Which width ginseng in model library of the reference picture synchronous with transmitting terminal to determine synchronous storage can be combined afterwards
Image is examined for second image.
The embodiment of the present application can only transmit the first image and the image of part second, and receiving terminal can be according to part
Second image and the reference picture synchronous with transmitting terminal determine the second image, then by second image and institute
Stating the combination of the first image can reduce and obtain original video image, considerably reduce the data volume of transmission.
In implementation, the first image that the transferring content includes can be the first image by compression；Connecing
Receive after described first image, methods described may further include：
Described first image is decompressed.
When it is implemented, transmitting terminal can be compressed before the first image is sent to described first image,
Further to reduce the data volume of transmission, in this case, the first image that receiving terminal is received is then warp
First image of overcompression, therefore, receiving terminal, can be further right after described first image is received
Described first image is decompressed, and original video is obtained to be subsequently combined, to reduce with the second image
Image.
Based on same inventive concept, additionally provided in the embodiment of the present application at a kind of (transmitting terminal) video image
Device, (receiving terminal) video image processing device are managed, because these equipment solve the principle and one kind of problem
(transmitting terminal) method of video image processing, (receiving terminal) method of video image processing are similar, therefore these
The implementation of equipment may refer to the implementation of method, repeats part and repeats no more.
Fig. 6 shows the structural representation of transmitting terminal video image processing device in the embodiment of the present application, such as schemes
Shown, the video image processing device can include：
Acquisition module 601, for the video image in acquisition monitoring scene；
Module 602 is split, for the video image to be split as into the first image and the second image；
Computing module 603, for calculating the difference between second image and the reference picture prestored
Information；
First communication module 604, it is described to pass for determining transferring content according to the different information and sending
Defeated content includes described first image and the information for determining the second image.
In implementation, the first communication module specifically can be used for when the different information is more than default first threshold
During value, described first image and the different information are sent；When the different information is less than preset first threshold value
When, described first image and the mark of the reference picture are sent, or send described first image and part
Second image.
In implementation, described device may further include：
Compression module 605, for before described first image is sent, being compressed to described first image.
In implementation, the reference picture can be multiple；The computing module can specifically include：
Determining unit, for determining and the immediate reference picture of the second image；
Computing unit, for calculating the letter of the difference between second image and the reference picture of the determination
Breath.
In implementation, the determining unit specifically can be used for second image and the multiple reference picture
Be compared, it is determined that with the difference of second image be less than the reference picture of default Second Threshold for it is described most
Close reference picture.
In implementation, described device may further include：
Reference picture acquisition module 606, the reference is obtained when being in different conditions for interactive photography head
Image；
The determining unit is specifically for obtaining interactive photography head status；According to the interactive photography head
State is determined and the immediate reference picture of the second image.
When it is implemented, reference picture acquisition module can be used for when interactive photography head is in different conditions
The reference picture is obtained, can be used for obtaining reference picture using fixing camera.
In implementation, the reference picture acquisition module can specifically include：
Acquiring unit, for obtaining control information；The control information include interactive photography head numbering i with
Operational order；
Control unit, the IMAQ model for changing the interactive photography head according to the control information
Enclose；
Image generation unit, for the shooting head status f according to each interactive photography headi(t, x) and collection
The topography's generation reference picture arrived, the fi(t, x) represents states of the camera i in t, and x is behaviour
Make parameter.
In implementation, the operational order is specifically as follows rotation and/or scaled, and the x is specifically as follows rotation
Angle and/or scaling multiple.
Refer to when it is implemented, the operational order is specifically as follows the operation such as rotation, scaling, discoloration, zoom
Order, the x is then the parameter corresponding with these operational orders, for example：The anglec of rotation, scaling multiple etc..
In implementation, the determining unit specifically can be used for obtaining interactive photography head status, from the interaction
Formula camera is in multiple reference picture set that different conditions are obtained and selected and the interactive photography head
The corresponding reference picture set of state, from the reference picture collection corresponding with the interactive photography head status
The difference selected in conjunction with second image is less than the reference picture of default Second Threshold as immediate
Reference picture.
In implementation, the computing module specifically can be used for according to second image and the reference prestored
The tone saturation degree lightness HSV matrix computations different informations of image.
Fig. 7 shows the structural representation of receiving terminal video image processing device in the embodiment of the present application, such as schemes
Shown, the video image processing device can include：
Second communication module 701, for receiving transferring content, the transferring content includes the first image and use
In it is determined that the information of the second image；
Image determining module 702, for according to the information and and transmitting terminal for being used to determine the second image
Synchronous reference picture determines the second image；
Image generation module 703, for generating original video according to described first image and second image
Image.
In implementation, the second communication module specifically can be used for receiving the first image and different information, described
Image determining module specifically can be used for according to the different information and the reference picture synchronous with transmitting terminal
Reconstruct the second image.
In implementation, the second communication module specifically can be used for the mark for receiving the first image and reference picture
Know, described image determining module specifically can be used for being determined according to the mark of the reference picture described with reference to figure
As being the second image.
In implementation, the second communication module specifically can be used for receiving the first image and the image of part second,
Described image determining module specifically can be used for according to the image of part second and synchronous with transmitting terminal
Reference picture determines the second image.
In implementation, the second communication module specifically can be used for the first image received through overcompression and be used for
Determine the information of the second image；Described device further comprises：
Decompression module 704, for after first image through overcompression is received, to described
One image is decompressed.
Fig. 8 shows the structural representation of video image processing system in the embodiment of the present application, as illustrated,
The video image processing system includes transmitting terminal and receiving terminal, and the transmitting terminal includes above-mentioned transmitting terminal video
Image processing apparatus, the receiving terminal includes above-mentioned receiving terminal video image processing device.
The video image processing system that the embodiment of the present application is provided, transmitting terminal tears the video image collected open
It is divided into the first image and the second image, calculates the different information between the second image and the reference picture prestored,
Transferring content is determined according to the different information, the transferring content includes the first image and for determining second
The information of image, receiving terminal is received after the transferring content, according to the letter for being used to determine the second image
Breath and the reference picture synchronous with transmitting terminal determine the second image, by described first image and the second image sets
Close reduction and obtain raw video image, the embodiment of the present application is ensuring video image correctly on the basis of transmission,
The data volume in transmitting procedure is greatly reduced, the transmission pressure of communication network is reduced.
When it is implemented, the transmitting terminal of the video image processing system can be collected to video monitoring equipment
Image understood, analyzed and split into foreground and background, during fractionation, it is possible to use in advance
The background reference image of storage assists to understand described image.The Computer Vision that the embodiment of the present application is provided
System can by the way that the image information most simplified (based on foreground information) is sent to receiving terminal from transmitting terminal,
Realize section with the monitor video transmission changed.
After the environment used is understood, it can implement respectively by such as upper type in transmitting terminal, receiving terminal.Saying
During bright, the implementation respectively from transmitting terminal and receiving terminal is illustrated, but this does not imply that the two must
Must coordinate and implement, in fact, when transmitting terminal and receiving terminal are performed separately, its also each solve transmitting terminal,
The problem of receiving terminal, when simply the two is used in combination, superior technique effect can be obtained.
For the ease of the implementation of the application, illustrated below with example.
Processing system for video towards intelligent monitoring is referred to as section bandization video monitoring system by the embodiment of the present application
System, Fig. 9 shows that section is with the configuration diagram for changing video monitoring system in the embodiment of the present application, as illustrated,
The transmitting terminal and receiving terminal of the section band change video monitoring system can synchronously be stored with reference background mould in advance
Some reference background models, the reference background model can be included in type storehouse, the reference background model library
In again can include multiple background reference images.
It is possible, firstly, to be adopted using image capturing system according to control information to the image in monitoring range
Collection, is then sent to image analysis module frame by frame by the realtime graphic collected；
Image analysis module can be based on the reference background model in the range of stored current monitor, to institute
State realtime graphic to be analyzed and complete to split, split into foreground information and background information, foreground information is sent out
Give compressed encoding module, based on the real-time background and with reference to Background generation different information；
The compressed encoding module according to compression and coding standard (for example：MPEG-4, H.264 etc.) to institute
Foreground information is stated to be compressed；
Communication module is got after foreground image information and background difference information after compression, and its is handled
After be sent to receiving terminal.
The receiving terminal receives the data of the foreground information being mixed with after compression and background difference information
Afterwards, it is split, compression coding module is given by the foreground information of compression, and by background difference information
Give Image Reconstruction module；
The compression coding module is decompressed to the foreground information after the compression；
Described image reconstructed module completes background information reconstruct based on the reference model storehouse synchronous with transmitting terminal；
Finally, the background information of the foreground information of decompression and reconstruct is combined, recovers original image,
It is sent to the stay of two nights.
Figure 10 shows section bandization processing procedure schematic diagram in the embodiment of the present application, as illustrated, the application
Section can be as follows with the concrete processing procedure for changing intelligent video monitoring system in embodiment：
It is possible, firstly, to set up the background image set Ui of video monitoring regional, implementing monitoring image is being got
Afterwards, can be according to now camera status information fi(t, x) determines background reference image set；
Then, real-time monitoring images are split into foreground image and background image two parts, and by foreground image
Coded treatment is compressed, real-time background image and background reference image are analyzed, generation difference letter
Breath；
Finally, if differed greatly, different information and the foreground image compressed can be transmitted；
If difference is smaller, the foreground image that can directly transmit the mark of background reference image and compress, or
Directly transmission foreground image and the neighbouring background image of the foreground image, are passed after compression as shown in Figure 10
Defeated image.
For one section of monitor video of 2 minutes or so, former video is after MPEG-4 standard compressions
3.41MB, after the processing of warp knuckle band system, the video data volume of transmission is 1.16MB, actual extensive in terminal
The video size appeared again is 1.33MB.For transmitting procedure, about 66% compression efficiency is improved.
Empirical tests, a frame is intercepted from video and is analyzed, the image of original image frame has no with the image recovered
Obvious errors.
Method of video image processing, the apparatus and system provided using the embodiment of the present application, can be basic
On the premise of not changing picture quality, the vedio data amount of transmission is greatly reduced, can when actual use
At least to improve about 66% compression efficiency.
For convenience of description, each several part of apparatus described above is divided into various modules with function or unit is distinguished
Description.Certainly, can be each module or the function of unit in same or multiple softwares when implementing the application
Or realized in hardware.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or meter
Calculation machine program product.Therefore, the application can be using complete hardware embodiment, complete software embodiment or knot
The form of embodiment in terms of conjunction software and hardware.Wherein wrapped one or more moreover, the application can be used
Containing computer usable program code computer-usable storage medium (include but is not limited to magnetic disk storage,
CD-ROM, optical memory etc.) on the form of computer program product implemented.
The application is produced with reference to according to the method, equipment (system) and computer program of the embodiment of the present application
The flow chart and/or block diagram of product is described.It should be understood that can by computer program instructions implementation process figure and
/ or each flow and/or square frame in block diagram and the flow in flow chart and/or block diagram and/
Or the combination of square frame.These computer program instructions can be provided to all-purpose computer, special-purpose computer, insertion
Formula processor or the processor of other programmable data processing devices are to produce a machine so that pass through and calculate
The instruction of the computing device of machine or other programmable data processing devices is produced for realizing in flow chart one
The device for the function of being specified in individual flow or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or the processing of other programmable datas to set
In the standby computer-readable memory worked in a specific way so that be stored in the computer-readable memory
Instruction produce include the manufacture of command device, the command device realization in one flow or multiple of flow chart
The function of being specified in one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, made
Obtain and perform series of operation steps on computer or other programmable devices to produce computer implemented place
Reason, so that the instruction performed on computer or other programmable devices is provided for realizing in flow chart one
The step of function of being specified in flow or multiple flows and/or one square frame of block diagram or multiple square frames.
Although having been described for the preferred embodiment of the application, those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, appended right will
Ask and be intended to be construed to include preferred embodiment and fall into having altered and changing for the application scope.
Claims (31)
1. a kind of method of video image processing, it is characterised in that comprise the following steps：
Video image in acquisition monitoring scene；
The video image is split as the first image and the second image；
Calculate the different information between second image and the reference picture prestored；
Transferring content is determined according to the different information and sent, the transferring content includes described first image
With the information for determining the second image.
2. the method as described in claim 1, it is characterised in that when the different information is more than default first
During threshold value, the information for determining the second image is specially：The different information；
It is described to be used to determine that the information of the second image is specific when the different information is less than preset first threshold value
For：The mark or the image of part second of the reference picture.
3. the method as described in claim 1, it is characterised in that before described first image is sent, enter
One step includes：Described first image is compressed.
4. the method as described in claim 1, it is characterised in that the reference picture is multiple；The meter
The different information between second image and the reference picture prestored is calculated, is specially：
It is determined that with the immediate reference picture of the second image；
Calculate the different information between second image and the reference picture of the determination.
5. method as claimed in claim 4, it is characterised in that the determination most connects with second image
Near reference picture, be specially：
Second image and the multiple reference picture are compared；
It is determined that being described closest with reference picture that the difference of second image is less than default Second Threshold
Reference picture.
6. method as claimed in claim 4, it is characterised in that the reference picture is specially that interactive mode is taken the photograph
The reference picture got when being in different conditions as head；The determination and the immediate ginseng of second image
Image is examined, is specially：
Obtain interactive photography head status；
Determined and the immediate reference picture of the second image according to the interactive photography head status.
7. method as claimed in claim 6, it is characterised in that described according to the interactive photography head
State is determined and the immediate reference picture of the second image, is specially：
Selected and institute in the multiple reference picture set obtained from the interactive photography head in different conditions
State the corresponding reference picture set of interactive photography head status；
Selected and described second from the reference picture set corresponding with the interactive photography head status
The reference picture that the difference of image is less than default Second Threshold is used as immediate reference picture.
8. method as claimed in claim 6, it is characterised in that the acquisition interactive photography head is in not
Reference picture during with state is specially：
Obtain control information；The control information includes interactive photography head numbering i and operational order；
Change the image-capture field of the interactive photography head according to the control information；
According to the shooting head status f of each interactive photography headi(t, x) and the topography's generation ginseng collected
Examine image, the fi(t, x) represents camera i in the state of t, and x is operating parameter.
9. method as claimed in claim 8, it is characterised in that the operational order be specially rotation and/
Or scaling, the x is specially the anglec of rotation and/or scaling multiple.
10. the method as described in claim 1, it is characterised in that calculating second image with advance
Different information between the reference picture of storage, be specially：
According to second image and the tone saturation degree lightness HSV matrix meters of the reference picture prestored
Calculate different information.
11. a kind of method of video image processing, it is characterised in that comprise the following steps：
Transferring content is received, the transferring content includes the first image and the information for determining the second image；
The is determined according to the information and the reference picture synchronous with transmitting terminal for being used to determine the second image
Two images；
Raw video image is generated according to described first image and second image.
12. method as claimed in claim 11, it is characterised in that the letter for being used to determine the second image
Breath is specially different information, the information that is used to described in the basis determining the second image and synchronous with transmitting terminal
Reference picture determine the second image, be specially：According to the different information and the ginseng synchronous with transmitting terminal
Examine the image of Image Reconstruction second.
13. method as claimed in claim 11, it is characterised in that the letter for being used to determine the second image
Breath is specially the mark of reference picture；Described in the basis be used for determine the second image information and with transmission
The synchronous reference picture in end determines the second image, is specially：According to being determined the mark of the reference picture
Reference picture is the second image.
14. method as claimed in claim 11, it is characterised in that the letter for being used to determine the second image
Breath is specially the image of part second；It is used for the information and and transmitting terminal for determining the second image described in the basis
Synchronous reference picture determines the second image, is specially：According to the image of part second and and transmitting terminal
Synchronous reference picture determines the second image.
15. method as claimed in claim 11, it is characterised in that the first figure that the transferring content includes
As being the first image through overcompression；After described first image is received, further comprise：
Described first image is decompressed.
16. a kind of video image processing device, it is characterised in that including：
Acquisition module, for the video image in acquisition monitoring scene；
Module is split, for the video image to be split as into the first image and the second image；
Computing module, for calculating the letter of the difference between second image and the reference picture prestored
Breath；
First communication module, for determining transferring content according to the different information and sending, in the transmission
Holding includes described first image and the information for determining the second image.
17. device as claimed in claim 16, it is characterised in that the first communication module specifically for
When the different information is more than preset first threshold value, described first image and the different information are sent；When
When the different information is less than preset first threshold value, the mark of described first image and the reference picture is sent
Know, or send described first image and the image of part second.
18. device as claimed in claim 16, it is characterised in that further comprise：
Compression module, for before described first image is sent, being compressed to described first image.
19. device as claimed in claim 16, it is characterised in that the reference picture is multiple；It is described
Computing module is specifically included：
Determining unit, for determining and the immediate reference picture of the second image；
Computing unit, for calculating the letter of the difference between second image and the reference picture of the determination
Breath.
20. device as claimed in claim 19, it is characterised in that the determining unit is specifically for by institute
State the second image to be compared with the multiple reference picture, it is determined that with the difference of second image being less than in advance
If the reference picture of Second Threshold is the immediate reference picture.
21. device as claimed in claim 19, it is characterised in that further comprise：Reference picture is obtained
Module, the reference picture is obtained when being in different conditions for interactive photography head；
The determining unit is specifically for obtaining interactive photography head status, according to the interactive photography head
State is determined and the immediate reference picture of the second image.
22. device as claimed in claim 21, it is characterised in that the reference picture acquisition module is specific
Including：
Acquiring unit, for obtaining control information；The control information include interactive photography head numbering i with
Operational order；
Control unit, the IMAQ model for changing the interactive photography head according to the control information
Enclose；
Image generation unit, for the shooting head status f according to each interactive photography headi(t, x) and collection
The topography's generation reference picture arrived, the fi(t, x) represents states of the camera i in t, and x is behaviour
Make parameter.
23. device as claimed in claim 22, it is characterised in that the operational order be specially rotation and/
Or scaling, the x is specially the anglec of rotation and/or scaling multiple.
24. device as claimed in claim 21, it is characterised in that the determining unit is specifically for obtaining
Interactive photography head status, multiple reference picture collection that different conditions are obtained are in from the interactive photography head
Reference picture set corresponding with the interactive photography head status is selected in conjunction, from the described and interactive mode
The difference selected in the corresponding reference picture set of shooting head status with second image is less than default second
The reference picture of threshold value is used as immediate reference picture.
25. device as claimed in claim 16, it is characterised in that the computing module is specifically for basis
The tone saturation degree lightness HSV matrix computations difference of second image and the reference picture prestored is believed
Breath.
26. a kind of video image processing device, it is characterised in that including：
Second communication module, for receiving transferring content, the transferring content includes the first image and for true
The information of fixed second image；
Image determining module, for according to the information for being used to determine the second image and synchronous with transmitting terminal
Reference picture determine the second image；
Image generation module, for generating original video figure according to described first image and second image
Picture.
27. device as claimed in claim 26, it is characterised in that the second communication module specifically for
Receive the first image and different information, described image determining module specifically for according to the different information and
The reference picture synchronous with transmitting terminal reconstructs the second image.
28. device as claimed in claim 26, it is characterised in that the second communication module specifically for
Receive the mark of the first image and reference picture, described image determining module specifically for according to described with reference to figure
The mark of picture determines that the reference picture is the second image.
29. device as claimed in claim 26, it is characterised in that the second communication module specifically for
The first image and the image of part second are received, described image determining module is specifically for according to the part second
Image and the reference picture synchronous with transmitting terminal determine the second image.
30. device as claimed in claim 26, it is characterised in that the second communication module specifically for
Receive the first image through overcompression and the information for determining the second image；Described device further comprises：
Decompression module, for after first image through overcompression is received, to first figure
As being decompressed.
31. a kind of video image processing system, it is characterised in that including transmitting terminal and receiving terminal, the transmission
End includes the video image processing device as described in claim 16 to 25 is any, and the receiving terminal is included such as
Any described video image processing device of claim 26 to 30.
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