CN103079061A - Video tracking processing device and video link processing device - Google Patents
Video tracking processing device and video link processing device Download PDFInfo
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- CN103079061A CN103079061A CN2013100410868A CN201310041086A CN103079061A CN 103079061 A CN103079061 A CN 103079061A CN 2013100410868 A CN2013100410868 A CN 2013100410868A CN 201310041086 A CN201310041086 A CN 201310041086A CN 103079061 A CN103079061 A CN 103079061A
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Abstract
The invention discloses a video tracking processing device and a video link processing device, which are applied to a monitoring system. When a client receives tracking instructions which are about the current displaying video image and are sent by users, video link data about the image information is sent to a center server, and the center server generates a video link data table according to the video link data and the tracking event marking; and in the video playback process, the client finds the video link data on the center server, and the video playing is carried out according to the video link data. The video link data is generated in the video playing or postmortem analysis process, in addition, the video playing is carried out according to the video link data table, the users can conveniently find the suspect target, and the moving track of the suspect target on a map can even be marked in the activity process of determining the suspect target,.
Description
Technical field
The present invention relates to field of video monitoring, relate in particular to a kind of video tracking processing unit and video chain processing unit.
Background technology
When daily inspection or accident were reviewed, the user need to carry out related recovering and analysis by the video that the suspicion target is relevant.When the suspicion target appears in the video, the user needs the video camera at this video place of hand-kept, time started that the suspicion target occurs and the concluding time of disappearance.Afterwards, the user need to be placed on unified catalogue with existing the video of suspicion goal activities to download, and analyzes one by one and studies and judges video.This method needs the user to carry out a large amount of manual operations and analysis, and in large-scale supervisory control system, because number of cameras is huge, the business of monitoring is also very complicated, and this will consume the extremely many time and efforts of operating personnel undoubtedly.
Summary of the invention
In view of this, the invention provides the device that a kind of video tracking is processed.By the present invention, can recall easily the event trace of suspicion target on map, and the active procedure of suspicion target in the whole case, and when the suspicion target when the video recording of a plurality of video cameras occurs, can realize synchronous broadcast.
For realizing the object of the invention, implementation of the present invention is specific as follows:
The invention provides a kind of video tracking processing unit, be applied to the client in the supervisory control system, described supervisory control system also comprises video camera and central server, and described client is had access to the video image of each camera acquisition by central server, wherein, described device comprises:
The operational processes unit, be used for receive that the user sends for the trace command of specific tracking event the time, send corresponding trace command to central server, take the request central server for video chain data corresponding to its record and this tracking event identifier; Wherein said tracking event identifier is distributed by described central server;
Editor's interactive unit is used for sending query statement according to the tracking event of user's appointment to central server, to obtain the video chain data corresponding with this tracking event identifier from central server;
The video playback unit is used for carrying out the broadcast of video image according to these video chain data.
The present invention is a kind of video chain processing unit also, on the central server of this application of installation in supervisory control system, comprises identification process unit and chained list processing unit, it is characterized in that:
The identification process unit is used for distributing the unique tracking event identifier of the overall situation according to the application of client for it;
The chained list processing unit, after being used for receiving the trace command of client, gather the relevant video chain data of current video image of having access to this client, and the corresponding relation of the tracking event identifier of these video chain data and client application is kept in the video chain tables of data;
Wherein this chained list processing unit be further used for receive that client sends for the query statement of the event of tracking the time, obtain the video chain data corresponding with this tracking event identifier, and these video chain data sent to this client.
Compared with prior art, the present invention passes through generating video chain data in video playback or ex-post analysis process, and carries out video playback according to described video chain tables of data, and the user can search the suspicion target easily, determines the active procedure of suspicion target.
Description of drawings
Fig. 1 is the supervisory control system networking diagram that the present invention realizes.
Fig. 2 is the video tracking device of client one side in one embodiment of the present invention and the building-block of logic of central server one side-looking frequency chain processing unit.
Embodiment
Please refer to Fig. 1, comprise some video cameras, central server and client in the supervisory control system network environment that the present invention realizes.Wherein client is had access to the live or historical video image of the collection of each video camera by central server.When the suspicion target of the daily inspection of user or afterwards its hope tracking concern of inspection discovery, the video camera that the present invention allows the user that the suspicion target is occurred, the information unifications such as time are recorded in the case video chain tables of data, in this table, form the corresponding relation of usertracking event and video chain data, and then when the user recalls again to the tracking event, can follow the tracks of more intuitively the suspicion target by case video chain tables of data, can determine easily the active procedure of suspicion target in whole case, if and the suspicion target can be play when occurring in the video recording of a plurality of video cameras synchronously.
For realizing the object of the invention, describe embodiment of the present invention in detail below in conjunction with accompanying drawing.Please refer to Fig. 2, be a kind of video tracking device provided by the invention, be applied to the client in the supervisory control system, as previously mentioned, supervisory control system also comprises a plurality of video cameras and central server, described client is had access to the video image of each camera acquisition by central server, and described video tracking device comprises: operational processes unit, video playback unit and position tracking cell.Correspondingly, the present invention also provides a kind of video chain processing unit, and this application of installation comprises identification process unit, chained list processing unit and map processing unit on central server; Be used for assisting described video tracking device to realize carrying out the constantly tracking of chain-type from a plurality of camera video images under the specific tracking event.Engagement process between central server and the client is as follows, and this process comprises three parts generally: first, the generation of video chain data; The editor of second portion video chain data; Third part, the playback of video chain data.
First, the generation of video chain data
Step 101, video image from video camera to central server that have access to is indicated according to having access to of user in the video playback unit, and this video image is presented to the user;
Step 102, the operational processes unit operates to the overall unique tracking event identifier of the chained list processing unit application of central server according to user's sign application;
Step 103, the operational processes unit receive that the user sends for the trace command of this tracking event the time, send trace command to central server;
Step 104, after the chained list processing unit of central server is received described trace command, gather the video chain data relevant with this client current video image, and the corresponding relation of the tracking event identifier of these video chain data and client application is kept in the video chain tables of data;
Step 105, the video playback unit sends the video image switching command according to user's switching indication to central server, to have access to the video image of next video camera by the centering server;
Step 106 when the chained list processing unit of central server is received the video switch instruction, is upgraded described video chain tables of data;
Step 107, the operational processes unit is followed the tracks of END instruction according to user's end indication generation and is sent to central server;
Step 108, when receiving the tracking END instruction, the chained list processing unit upgrades video chain data corresponding to this tracking event identifier.
In video monitoring system, client can be obtained the video image of camera acquisition under the assistance of central server, and presents described video image to the user in the pane of client.In typical monitoring is used, central server can be to process the management server that the live management server of dispatching also can be processing playback video pattern scheduling, these servers all are on the logical meaning, may be integrated on the same physical server, also may be physically independent, depend on the actual needs of monitoring business.
In client one side, if the user finds the suspicion target (mainly refer to some users are concerned about can moving target) of its care, the user may pay close attention to the active situation of this suspicion target in the following a very long time, and the user is called the tracking event in the present invention to the concern of this suspicion goal activities situation.In a tracking event, the suspicion target may appear in the video image of a lot of video cameras, such as move to the guarded region of video camera B from the guarded region of video camera A, and then move to again the guarded region of video camera C, stop at again the guarded region of video camera A at last.
In a large-scale supervisory control system, may have many consumers and follow the tracks of simultaneously the processing of event, a user may be shared with other users to the result of following the tracks of event, distinguishes different tracking events for assisting users, need to have the sign of uniqueness to be distinguished.In the present invention, if the user needs to process a tracking event, it can issue corresponding sign application operation by interactive interface, then the operational processes unit can generate corresponding sign application instruction to central server, and the identification process unit of central server can issue a unique tracking event identifier of the overall situation to client.In central server one side, this moment, central server can think that the relevant information of video image of each video camera that follow-up this user checks belongs to this tracking event identifier, until the user finishes current tracking event by instruction.
In the process of the tracking event of real-time tracking event or ex-post analysis, when the user finds the suspicion target, the user can apply at once that is followed the tracks of an event identifier, then starts at interactive interface and follows the tracks of operation, and the operational processes unit generates trace command and sends to central server.After central server is received, can gather at once the video chain data of correspondence for the tracking event identifier of user's application.Please refer to the example of a video chain tables of data shown in the table 1, in the present embodiment, video chain data comprise: video camera sign, time started, concluding time and tracking event identifier, be used for record tracking event suspicion target and appear in the guarded region of which video camera, and the time (concluding time) of the time that in camera supervised zone, occurs (time started) and disappearance.Please refer to the video chain data of Case1 in table 1 and the table 2, characterize certain suspicion target and appear among video camera X and the video camera Y, the time of occurrence in video camera X and video camera Y and extinction time are the content that records time started and concluding time.
| The video camera sign | Time started | Concluding time | Follow the tracks of event identifier |
| Video camera X | StartTimeX | ? | Case1 |
| Video camera Y | ? | ? | ? |
| ....... | ....... | ....... | ....... |
Table 1
Table 2
In preferred embodiment, the user starts after the tracking event, the suspicion target may move to the video image of other video cameras from current video image (the namely guarded region of current video camera), and the user need to switch under the video image of these other video cameras and observe.The user can send in current interface and switch indication this moment, and the video playback unit correspondingly sends the video image switching command to central server.Because the user has started a tracking event, central server is after receiving this switching command, its chained list processing unit can carry out the renewal of video chain data automatically, this moment, this chained list processing unit mainly was to upgrade the concluding time of current video camera and the time started of switching rear video camera, please refer to the difference between table 1 and the table 2, EndtimeX and StarttimeY are empty in table 1, after receiving switching command, the chained list processing unit of central server just can upgrade EndtimeX and StarttimeY come in, when same reason was switched again as the user, EndTimeY also can be updated.Just because of this, in optimal way, do not need the user constantly to send extra command request central server to central server and carry out video chain Data Update, the chained list processing unit of central server can upgrade operation according to the normal switching command of user automatically, to realize automatically finishing the renewal of subsequent video chain data after user's once-through operation, until receive the tracking END instruction from client one side.Update mechanism in handoff procedure after the chained list processing unit of central server is receiving to follow the tracks of END instruction, only needs the concluding time of last video camera of renewal to get final product as previously mentioned.
Second portion, the editor of video chain data
Step 201, editor's interactive unit is obtained the video chain presentation of data corresponding with following the tracks of event identifier to the user from central server;
Corresponding preservation of video chain data after the chained list processing unit that step 202, the video chain data after the user edited send to central server will be edited.
In fact, the situations such as operate miss may appear in the user in the suspicion of tracking object procedure, for instance, if the user pays close attention to the suspicion target after the video image of a video camera shifts out, the user can send switching command and switch to new this suspicion target of video camera continuation tracking, yet the user may be because misoperation or do not understand the reason such as monitoring topological and switched on the video camera that does not have the suspicion target on the video image, in some extreme situations, user's possible operation repeatedly could continue to finish the tracking to the suspicion target.For this situation, the present invention allows the user to have access to the video chain data that self generate in client to edit, and the result that then will edit is kept on the central server.So the user just can preserve a its satisfied video chain data.
Third part, the playback of video chain data
Step 301, the video playback unit is specified the tracking event of broadcast to call editor's interactive unit according to the user and is sent query statement to central server;
Step 302, the chained list processing unit of central server receive that obtaining the video chain Data Concurrent corresponding with this tracking event identifier behind this query statement gives client;
Step 303, the video playback unit carries out the broadcast of video image according to these video chain data.
After the user finishes the tracking event, recorded complete video chain data on the central server, the user can also edit these video chain data certainly.When the video image to case carried out recovering and analysis, the user can send to client the tracking broadcast indication of a certain tracking event, again checks whole tracing process.Certainly the user also can inform other users with sign that should the tracking event, so that the same whole process that can check in the client of self this tracking event with other users.After client receives that indication is play in the tracking of the event of following the tracks of for certain that the user sends, the video playback unit obtains the video chain data corresponding with following the tracks of event identifier to the chained list processing unit of central server, then carries out the broadcast of video image according to video chain data.
Owing to time started and the concluding time in one or more video camera that has comprised the event of following the tracks of in the video chain tables of data, therefore client can be had access to the associated video image according to the time started in the video chain tables of data and concluding time from central server easily, and can carry out according to time sequencing the broadcast of video image.Such as the time started StartTimeX of video camera X is during less than the time started StartTimeY of video camera Y, and the video image of then playing first video camera X is play the video image of video camera Y again.Say for another example, as the concluding time of video camera X EndTimeX during less than the time started StartTimeY of video camera Y, after the video image of video camera X finishes playing, play again the video image of video camera Y.
Consider that a plurality of video cameras capture the situation of suspicion target simultaneously.The user may wish to follow the tracks of the suspicion target from different angles.Therefore in actual applications, the user may follow the tracks of same target with generating two tracking events, then finishes the tracking event merge by the video chain data of editor's central server.Such as the sign that will follow the tracks of event 2 is revised as 1, and two tracking events just can merge so.In this case, in the process of carrying out video playback, the situation that the suspicion target is all arranged in two or more video images may appear being carved with when same.Such as there is video camera in four corners in the hall, a market, and when the suspicion target was positioned at hall central authorities, each video camera can capture this suspicion target simultaneously in video image.
For above situation, in a preferred embodiment of this invention, when described video playback unit is further used for appearing at simultaneously in a plurality of video cameras, play simultaneously video image corresponding to each video camera according to described video chain data in the tracking event.Such as, as the time started StartTimeY of the time started of video camera X StartTimeX less than or equal to video camera Y, and the concluding time EndTimeX of video camera X is during more than or equal to the time started StartTimeY of video camera Y, when the video image of video camera X is played to time StartTimeY, play simultaneously the video image of video camera Y.Need to prove that wherein the pane of displaying video can be at same screen, also can be in different screens.This shows, by generating video chain tables of data in live business or ex-post analysis process, then carry out video playback according to described video chain tables of data.Such processing has greatly made things convenient for the analysis of user to the suspicion goal behavior.Such as when following the tracks of public vehicles, can know its course.Say for another example, a suspect's video image is carried out played in order can learn its behavior intention, help public security organ to solve a case.
In the execution mode of another optimization, described video chain data can also comprise camera position, please refer to table 3, camera position latX wherein, lngX, altX represents, wherein latX is the latitude at video camera X place, and lngX is the longitude at video camera X place, and altX is the height above sea level of video camera X.
| Video camera | Time started | Concluding time | Camera position | Follow the tracks of event identifier |
| Video camera X | StartTimeX | EndTimeX | latX,lngX,altX | Case1 |
| Video camera Y | StartTimeY | EndTimeY | latY,lngY,altY | Case1 |
| ... | ... | ... | ... | ... |
Table 3
Correspondingly, the video tracking device also comprises the position tracking cell in the present embodiment, then comprises corresponding map processing unit on the central server.This position tracking cell is used for obtaining the GIS map from the map processing unit of central server, and the camera position information in the video chain data of obtaining according to editor's interactive unit marks out corresponding video camera at described GIS map.Particularly, carry out in the process of video playback the user, client is obtained the GIS map from central server after receiving that the user sends the map label indication.Such as, when in pane, playing the video image of certain video camera, can in described GIS map, mark described video camera according to camera position information, and described video camera carried out special demonstration, namely in the GIS map, the position of video camera corresponding to the video image play is carried out carrying out different marks from the position of other video cameras, such as adopting different colours to mark, the icon of highlighted this video camera of demonstration perhaps shows the red circle of a variation etc. near the first camera icon.
After video image corresponding to described previous video camera finishes, when continue playing corresponding the second video image of next video camera corresponding to same tracking event, on the GIS map special demonstration is carried out in position corresponding to described the second video camera according to next camera position information, for example high brightness shows the icon of the second video camera, near the red circle of a variation of demonstration the second camera icon.The position tracking cell can also be cancelled the special demonstration to position corresponding to described the first video camera simultaneously.In order to make things convenient for the user clearly to understand order on time and the path, the position tracking cell can be drawn the position at previous video camera place to the line of the position at next video camera place at the GIS map, for example draw simultaneously an icon from previous video camera to the dotted line of next camera icon with arrow, expression suspicion target is transferred to next video camera from previous video camera.According to same step, in described GIS map in the display video chain tables of data next bar record, when video image corresponding to video chain data finishes in the whole tracking event, the complete event trace of having drawn the suspicion target in described GIS map.
Further, when the video image that a plurality of video cameras are corresponding in the video chain tables of data was being play synchronously, the position tracking cell can correspondingly simultaneously carry out special demonstration to position corresponding to described video camera according to camera position information in the GIS map.And this moment when drawing suspicion goal activities track can be carried out suitable special processing.If a certain moment of suspicion target is when occurring in the video pictures of a plurality of video cameras simultaneously; discrepant and the suspicion target enters the time started of each video camera; if it obviously is irrational that each video camera is drawn, first video camera that therefore can occur with the suspicion target or the most emerging video camera of suspicion target are as the criterion and carry out track and draw.
By above operation, the user just can recall the event trace of suspicion target on the GIS map easily, and the active procedure of suspicion target in the whole case, and under the prerequisite of saving bandwidth, can be on described GIS map, by camera position corresponding to current displaying video carried out the dynamic effects such as special demonstration, the very lively event trace of the suspicion of expressing target on the GIS map.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (11)
1. video tracking processing unit, be applied to the client in the supervisory control system, described supervisory control system also comprises video camera and central server, and described client is had access to the video image of each camera acquisition by central server, it is characterized in that described device comprises:
The operational processes unit, be used for receive that the user sends for the trace command of specific tracking event the time, send corresponding trace command to central server, take the request central server for video chain data corresponding to its record and this tracking event identifier; Wherein said tracking event identifier is distributed by described central server;
Editor's interactive unit is used for sending query statement according to the tracking event of user's appointment to central server, to obtain the video chain data corresponding with this tracking event identifier from central server;
The video playback unit is used for carrying out the broadcast of video image according to these video chain data.
2. device as claimed in claim 1, it is characterized in that: described editor's interactive unit, be further used for obtaining the video chain presentation of data corresponding with following the tracks of event identifier to the user from central server, and the video chain data after the user edited send to central server.
3. device as claimed in claim 1 is characterized in that, described video chain data comprise: video camera sign, time started and concluding time.
4. device as claimed in claim 3, it is characterized in that, described video chain data also comprise camera position information, described device also comprises the position tracking cell, be used for obtaining the GIS map at central server, and the described camera position information that gets access to according to editor's interactive unit marks out this video camera at described GIS map.
5. device as claimed in claim 4, it is characterized in that, described position tracking cell is further used for the first video camera is corresponding in video chain tables of data the first video image when playing, and carries out special demonstration according to camera position information position to described the first video camera place on the GIS map; And after the first video image corresponding to described the first video camera finishes, when continue playing corresponding the second video image of the second video camera corresponding to same tracking event, positional information according to the second video camera is carried out special demonstration to position corresponding to described the second video camera on the GIS map, and cancellation is to the special demonstration of position corresponding to described the first video camera.
6. device as claimed in claim 5 is characterized in that, described position tracking cell is further used for drawing the first video camera position to the line of the position at the second video camera place at the GIS map.
7. a video chain processing unit on the central server of this application of installation in supervisory control system, comprises identification process unit and chained list processing unit, it is characterized in that:
The identification process unit is used for distributing the unique tracking event identifier of the overall situation according to the application of client for it;
The chained list processing unit, after being used for receiving the trace command of client, gather the relevant video chain data of current video image of having access to this client, and the corresponding relation of the tracking event identifier of these video chain data and client application is kept in the video chain tables of data;
Wherein this chained list processing unit be further used for receive that client sends for the query statement of the event of tracking the time, obtain the video chain data corresponding with this tracking event identifier, and these video chain data sent to this client.
8. device as claimed in claim 7 is characterized in that, described video chain data comprise: video camera sign, time started and concluding time.
9. device as claimed in claim 8, it is characterized in that, described chained list processing unit chained list is further used for, when the video switch instruction of receiving client, have access to the video image of next video camera for client, to assist client to switch to the video image of next video camera and the concluding time of the current video camera in the described video chain of the corresponding renewal data and the time started of next video camera from the video image of current video camera.
10. device as claimed in claim 9, it is characterized in that, described chained list processing unit chained list is further used for when receiving the tracking END instruction, and the chained list processing unit upgrades the concluding time of last video camera in video chain data corresponding to this tracking event identifier.
11. device as claimed in claim 7 is characterized in that, also comprises the map processing unit, is used for according to the request of client the GIS map of correspondence being sent to client.
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