CN104539922B - Details in a play not acted out on stage, but told through dialogues processing method and processing device is merged in projection - Google Patents
Details in a play not acted out on stage, but told through dialogues processing method and processing device is merged in projection Download PDFInfo
- Publication number
- CN104539922B CN104539922B CN201410818136.3A CN201410818136A CN104539922B CN 104539922 B CN104539922 B CN 104539922B CN 201410818136 A CN201410818136 A CN 201410818136A CN 104539922 B CN104539922 B CN 104539922B
- Authority
- CN
- China
- Prior art keywords
- brightness
- lift
- district
- rgb value
- overlay region
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Image Processing (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The embodiment of the present invention provides one projection to merge details in a play not acted out on stage, but told through dialogues processing method and processing device.The method includes: distinguish the overlay region in target image and non-overlapped district, and the brightness of described overlay region is more than the brightness in described non-overlapped district；Promote the brightness in described non-overlapped district, so that the brightness of described overlay region is consistent with the brightness in described non-overlapped district.The embodiment of the present invention, by promoting the brightness in non-overlapped district, even if the image that each projector is out is black, does not use attenuation curve to decay the brightness of overlay region, and the brightness that also can make overlay region is consistent with the brightness in non-overlapped district.
Description
Technical field
The present embodiments relate to image processing field, particularly relate to a kind of projection and merge details in a play not acted out on stage, but told through dialogues processing method
And device.
Background technology
In projection display system, owing to single projector image size out is limited, work as needs
Super large during display overlarge area, needed for the image mosaic one-tenth generally multiple scialyscopes cast out respectively
Area graph picture, the most each projector goes out a part for this overlarge area image, and adjacent two projections
There is overlay region in the image that machine casts out, goes out as it is shown in figure 1, A and c is the first projector
First image, c and B is the second image that the second projector goes out, and c is the first image and the second image
Overlapping image, the image after overlap is as in figure 2 it is shown, now constituted required super large by A, C and B
Area graph picture, due to brightness superposition, in Fig. 2, the brightness of overlay region C is single projection in Fig. 1
The twice of the brightness of the image-region c that machine projects, the brightness of overlay region C simultaneously is also non-overlay region A
The twice of the brightness with B, as it is shown on figure 3, coordinate X represents image-region, coordinate Y represents brightness, non-
The brightness of overlay region A and B is the half of overlay region C.
In order to the brightness making this overlarge area image entirety picture is consistent, need the brightness of overlay region C is entered
Row sum-equal matrix, the brightness of overlay region is decayed by prior art by attenuation curve as shown in Figure 4, by
Pixel in overlay region [R G B] three primary colours represent, so needing red attenuation curve, green decay
Three kinds of colors are decayed, to reduce the brightness of overlay region C by curve and blue attenuation curve respectively.
Owing to scialyscope self exists the defect of light leak, even if the dark images that two projector are out
For example, during black, overlay region C is always bright than non-overlapped district A and B, owing to black represents with [R G B]
For [0,0,0], so using which type of attenuation curve all cannot decay the brightness of overlay region, i.e. without
Method makes the brightness of overlay region consistent with the brightness in non-overlapped district.
Summary of the invention
The embodiment of the present invention provides one projection to merge details in a play not acted out on stage, but told through dialogues processing method and processing device, even if each scialyscope is thrown
The image shot out is black, does not use attenuation curve to decay the brightness of overlay region, also can make weight
The brightness in folded district is consistent with the brightness in non-overlapped district.
One aspect of the embodiment of the present invention is to provide a kind of projection and merges details in a play not acted out on stage, but told through dialogues processing method, including:
Distinguishing the overlay region in target image and non-overlapped district, the brightness of described overlay region is more than described non-heavy
The brightness in folded district；
Promote the brightness in described non-overlapped district, so that the brightness of described overlay region and described non-overlapped district is bright
Degree is consistent.
Another aspect of the embodiment of the present invention is to provide a kind of projection and merges details in a play not acted out on stage, but told through dialogues processing means, including:
Discriminating module, for distinguishing the overlay region in target image and non-overlapped district, described overlay region bright
Degree is more than the brightness in described non-overlapped district；
Luminance raising module, for promoting the brightness in described non-overlapped district, so that the brightness of described overlay region
Brightness with described non-overlapped district is consistent.
The projection corresponding circle of sensation brightness processed method and device that the embodiment of the present invention provides, non-overlapped by promoting
The brightness in district, even if the image that each projector is out is black, does not use attenuation curve to overlay region
Brightness decay, the brightness that also can make overlay region is consistent with the brightness in non-overlapped district.
Accompanying drawing explanation
The image schematic diagram that Fig. 1 is background technology the first scialyscope and the second projector goes out；
Fig. 2 is the schematic diagram of overlarge area image required in background technology；
Fig. 3 is the brightness schematic diagram in overlarge area image different images region required in background technology；
Fig. 4 is the attenuation curve schematic diagram in background technology decayed the brightness of overlay region；
Details in a play not acted out on stage, but told through dialogues process flow figure is merged in the projection that Fig. 5 provides for the embodiment of the present invention；
Overlay region after the division that Fig. 6 provides for the embodiment of the present invention and non-overlapped district schematic diagram；
Fig. 7 merges the structure chart of details in a play not acted out on stage, but told through dialogues processing means for the projection that the embodiment of the present invention provides；
Fig. 8 merges the structure chart of details in a play not acted out on stage, but told through dialogues processing means for the projection that another embodiment of the present invention provides.
Detailed description of the invention
Details in a play not acted out on stage, but told through dialogues process flow figure is merged in the projection that Fig. 5 provides for the embodiment of the present invention.Fig. 6 is this
Overlay region after the division that bright embodiment provides and non-overlapped district schematic diagram.In embodiments of the present invention, pure
The RGB that the pixel of white image is corresponding is [255,255,255], the RGB that the pixel of pure red image is corresponding
For [255,0,0], the RGB that the pixel of pure green image is corresponding is [0,255,0], the pixel of pure red image
The RGB that point is corresponding is [0,0,255], surpassing needed for the image mosaic one-tenth that multiple scialyscopes cast out respectively
Picture of large image scale, the most each projector goes out a part for this overlarge area image, constitutes this super large face
The part that adjacent two subimages of long-pending image are overlapping forms overlay region, and the embodiment of the present invention is not intended to projection
Machine number.The projection corresponding circle of sensation brightness processed method that the embodiment of the present invention provides, it specifically comprises the following steps that
Step S101, the overlay region distinguished in target image and non-overlapped district, the brightness of described overlay region is big
Brightness in described non-overlapped district；
Overlay region and non-overlapped district in described differentiation target image include: distinguished by N point fold-line method
Overlay region in described target image and non-overlapped district.
As shown in Figure 6, due to the putting position of each scialyscope, and the attribute of display curtain makes adjacent
The overlay region of image is not rectangle, it is therefore desirable to be more than the brightness in non-overlapped district according to the brightness of overlay region,
And distinguish the overlay region 61 in target image and non-overlapped district 62 by N point fold-line method.
Step S102, promote the brightness in described non-overlapped district, so that the brightness of described overlay region is non-with described
The brightness of overlay region is consistent.
The brightness in the described non-overlapped district of described lifting includes: obtain target pixel points in described non-overlapped district
Rgb value；Respectively red component, green component and/or the blue component of described rgb value is compensated,
Obtain the rgb value after compensating.
Described rgb value is [R_in, G_in, B_in]；
Described respectively red component, green component and/or the blue component of described rgb value is compensated,
Obtain the rgb value after compensating to include: red component R_in, the green component G_in to described rgb value respectively
And/or blue component B_in compensates according to formula (1) (2) (3), it is thus achieved that the rgb value after compensation
For [R_out, G_out, B_out]:
R_out=(255-lift_r) * R_in/255+lift_r (1)
G_out=(255-lift_g) * G_in/255+lift_g (2)
B_out=(255-lift_b) * B_in/255+lift_b (3)
Wherein, lift_r is red offset, and lift_g is green offset, and lift_b is blue benefit
Repay value.
Obtaining the rgb value [R_in, G_in, B_in] of target pixel points in described non-overlapped district, R_in is
Red component, G_in be green component, B_in be blue component, respectively to red component, green component
And/or blue component compensates, compensate appointing in red component, green component and blue component the most every time
One component, any two components or three components compensate simultaneously, and red offset is lift_r, green compensation
Value is lift_g, and blue offset is lift_b, and concrete compensation method is according to formula (1) (2) (3)
Respectively red component, green component and blue component are compensated:
R_out=(255-lift_r) * R_in/255+lift_r (1)
G_out=(255-lift_g) * G_in/255+lift_g (2)
B_out=(255-lift_b) * B_in/255+lift_b (3)
Stop when the brightness compensating overlay region 61 is consistent with the brightness in described non-overlapped district 62 compensating,
Now obtaining the rgb value after compensating is [R_out, G_out, B_out].
The embodiment of the present invention is by promoting the brightness in non-overlapped district, even if the image that each projector is out
For black, do not use attenuation curve that the brightness of overlay region is decayed, also can make the brightness of overlay region with
The brightness in non-overlapped district is consistent.
Fig. 7 merges the structure chart of details in a play not acted out on stage, but told through dialogues processing means for the projection that the embodiment of the present invention provides.The present invention is real
The projection fusion details in a play not acted out on stage, but told through dialogues processing means that executing example provides can perform projection fusion details in a play not acted out on stage, but told through dialogues processing method embodiment and carry
The handling process of confession, as it is shown in fig. 7, details in a play not acted out on stage, but told through dialogues processing means 70 is merged in projection includes discriminating module 71 He
Luminance raising module 72, wherein, discriminating module 71 is for distinguishing the overlay region in target image and non-heavy
Folded district, the brightness of described overlay region is more than the brightness in described non-overlapped district；Luminance raising module 72 is used for carrying
Rise the brightness in described non-overlapped district, so that the brightness of described overlay region is consistent with the brightness in described non-overlapped district.
The embodiment of the present invention is by promoting the brightness in non-overlapped district, even if the image that each projector is out
For black, do not use attenuation curve that the brightness of overlay region is decayed, also can make the brightness of overlay region with
The brightness in non-overlapped district is consistent.
Fig. 8 merges the structure chart of details in a play not acted out on stage, but told through dialogues processing means for the projection that another embodiment of the present invention provides.Upper
On the basis of stating embodiment, described discriminating module 71 is specifically for distinguishing described mesh by N point fold-line method
Overlay region in logo image and non-overlapped district.
Described luminance raising module 72 includes acquiring unit 721 and compensating unit 722, wherein, obtains single
Unit 721 is for obtaining the rgb value of target pixel points in described non-overlapped district；Compensating unit 722 is for dividing
The other red component to described rgb value, green component and/or blue component compensate, it is thus achieved that after compensation
Rgb value.
Described rgb value is [R_in, G_in, B_in]；Described compensating unit 722 is specifically for respectively to institute
State the red component R_in of rgb value, green component G_in and/or blue component B_in according to formula (1)
(2) (3) compensate, it is thus achieved that the rgb value after compensation is [R_out, G_out, B_out]:
R_out=(255-lift_r) * R_in/255+lift_r (1)
G_out=(255-lift_g) * G_in/255+lift_g (2)
B_out=(255-lift_b) * B_in/255+lift_b (3)
Wherein, lift_r is red offset, and lift_g is green offset, and lift_b is blue benefit
Repay value.
The embodiment of the present invention is by promoting the brightness in non-overlapped district, even if the image that each projector is out
For black, do not use attenuation curve that the brightness of overlay region is decayed, also can make the brightness of overlay region with
The brightness in non-overlapped district is consistent.
In sum, the embodiment of the present invention is by promoting the brightness in non-overlapped district, even if each projector
Image out is black, does not use attenuation curve to decay the brightness of overlay region, also can make overlap
The brightness in district is consistent with the brightness in non-overlapped district.
In several embodiments provided by the present invention, it should be understood that disclosed apparatus and method,
Can realize by another way.Such as, device embodiment described above is only schematically,
Such as, the division of described unit, it is only a kind of logic function and divides, actual can have additionally when realizing
Dividing mode, the most multiple unit or assembly can in conjunction with or be desirably integrated into another system, or
Some features can be ignored, or does not performs.Another point, shown or discussed coupling each other or
Direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication link
Connect, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, makees
The parts shown for unit can be or may not be physical location, i.e. may be located at a place,
Or can also be distributed on multiple NE.Can select according to the actual needs part therein or
The whole unit of person realizes the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit,
Can also be that unit is individually physically present, it is also possible to two or more unit are integrated in a list
In unit.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ hardware adds software
The form of functional unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer
In read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, including some fingers
Make with so that a computer equipment (can be personal computer, server, or the network equipment etc.)
Or processor (processor) performs the part steps of method described in each embodiment of the present invention.And it is aforementioned
Storage medium include: USB flash disk, portable hard drive, read only memory (Read-Only Memory, ROM),
Random access memory (Random Access Memory, RAM), magnetic disc or CD etc. are various permissible
The medium of storage program code.
Those skilled in the art are it can be understood that arrive, for convenience and simplicity of description, only with above-mentioned respectively
The division of functional module is illustrated, and in actual application, can above-mentioned functions be divided as desired
Join and completed by different functional modules, the internal structure of device will be divided into different functional modules, with
Complete all or part of function described above.The specific works process of the device of foregoing description is permissible
With reference to the corresponding process in preceding method embodiment, do not repeat them here.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (4)
1. details in a play not acted out on stage, but told through dialogues processing method is merged in a projection, it is characterised in that including:
Distinguishing the overlay region in target image and non-overlapped district, the brightness of described overlay region is more than described non-heavy
The brightness in folded district；
Promote the brightness in described non-overlapped district, so that the brightness of described overlay region and described non-overlapped district is bright
Degree is consistent；
The brightness in the described non-overlapped district of described lifting includes:
Obtain the rgb value of target pixel points in described non-overlapped district；
Respectively red component, green component and/or the blue component of described rgb value is compensated, it is thus achieved that
Rgb value after compensation；
Wherein, described rgb value is [R_in, G_in, B_in]；
Described respectively red component, green component and/or the blue component of described rgb value is compensated,
Obtain the rgb value after compensating to include:
Red component R_in, green component G_in and/or blue component B_in to described rgb value respectively
Compensate according to formula (1) (2) (3), it is thus achieved that the rgb value after compensation is [R_out, G_out, B_out]:
R_out=(255-lift_r) * R_in/255+lift_r (1)
G_out=(255-lift_g) * G_in/255+lift_g (2)
B_out=(255-lift_b) * B_in/255+lift_b (3)
Wherein, lift_r is red offset, and lift_g is green offset, and lift_b is blue benefit
Repay value.
Method the most according to claim 1, it is characterised in that the weight in described differentiation target image
Folded district and non-overlapped district include:
The overlay region in described target image and non-overlapped district is distinguished by N point fold-line method.
3. details in a play not acted out on stage, but told through dialogues processing means is merged in a projection, it is characterised in that including:
Discriminating module, for distinguishing the overlay region in target image and non-overlapped district, described overlay region bright
Degree is more than the brightness in described non-overlapped district；
Luminance raising module, for promoting the brightness in described non-overlapped district, so that the brightness of described overlay region
Brightness with described non-overlapped district is consistent；
Described luminance raising module includes:
Acquiring unit, for obtaining the rgb value of target pixel points in described non-overlapped district；
Compensating unit, is used for red component, green component and/or the blue component respectively to described rgb value
Compensate, it is thus achieved that the rgb value after compensation；
Wherein, described rgb value is [R_in, G_in, B_in]；Described compensating unit is specifically for the most right
The red component R_in of described rgb value, green component G_in and/or blue component B_in are according to formula
(1) (2) (3) compensate, it is thus achieved that the rgb value after compensation is [R_out, G_out, B_out]:
R_out=(255-lift_r) * R_in/255+lift_r (1)
G_out=(255-lift_g) * G_in/255+lift_g (2)
B_out=(255-lift_b) * B_in/255+lift_b (3)
Wherein, lift_r is red offset, and lift_g is green offset, and lift_b is blue benefit
Repay value.
Details in a play not acted out on stage, but told through dialogues processing means is merged in projection the most according to claim 3, it is characterised in that described district
Sub-module specifically for distinguishing the overlay region in described target image and non-overlapped by N point fold-line method
District.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410818136.3A CN104539922B (en) | 2014-12-24 | 2014-12-24 | Details in a play not acted out on stage, but told through dialogues processing method and processing device is merged in projection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410818136.3A CN104539922B (en) | 2014-12-24 | 2014-12-24 | Details in a play not acted out on stage, but told through dialogues processing method and processing device is merged in projection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104539922A CN104539922A (en) | 2015-04-22 |
| CN104539922B true CN104539922B (en) | 2016-08-24 |
Family
ID=52855381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410818136.3A Active CN104539922B (en) | 2014-12-24 | 2014-12-24 | Details in a play not acted out on stage, but told through dialogues processing method and processing device is merged in projection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104539922B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430365B (en) * | 2015-11-06 | 2017-05-17 | 深圳市创凯智能股份有限公司 | Projection fusion dark field processing method and fusion equipment |
| CN108076332B (en) * | 2016-11-11 | 2020-06-30 | 美国克里斯蒂数字系统公司 | System and method for digital black level blending |
| WO2020195220A1 (en) * | 2019-03-27 | 2020-10-01 | 富士フイルム株式会社 | Image processing device, projection system, image processing method, and image processing program |
| CN114025143B (en) * | 2021-11-08 | 2023-10-03 | 青岛海信激光显示股份有限公司 | Projector and splicing projection method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929572A (en) * | 2012-10-29 | 2013-02-13 | 浙江大学 | Method for realizing large-screen multi-projection seamless splicing and splicing fusion device thereof |
| CN103369283A (en) * | 2013-06-24 | 2013-10-23 | 深圳市创凯电子有限公司 | Multi-projection correction method and device |
| CN103702096A (en) * | 2013-12-24 | 2014-04-02 | 北京淳中视讯科技有限公司 | Optimizing method, device and system for image fusion treatment |
-
2014
- 2014-12-24 CN CN201410818136.3A patent/CN104539922B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929572A (en) * | 2012-10-29 | 2013-02-13 | 浙江大学 | Method for realizing large-screen multi-projection seamless splicing and splicing fusion device thereof |
| CN103369283A (en) * | 2013-06-24 | 2013-10-23 | 深圳市创凯电子有限公司 | Multi-projection correction method and device |
| CN103702096A (en) * | 2013-12-24 | 2014-04-02 | 北京淳中视讯科技有限公司 | Optimizing method, device and system for image fusion treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104539922A (en) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104882098B (en) | Method for correcting image and imaging sensor based on LED mosaic display screens | |
| US8237873B2 (en) | Method for creating blending ramps for complex projector image overlaps | |
| CN103559862B (en) | The Subarea calibration method of LED display | |
| CN104539922B (en) | Details in a play not acted out on stage, but told through dialogues processing method and processing device is merged in projection | |
| US9277209B2 (en) | Pattern position detection method, pattern position detection system, and image quality adjustment technique using the method and system | |
| CN103778882B (en) | Pel array and driving method, display panel and display device | |
| CN104702928B (en) | Method of correcting image overlap area, recording medium, and execution apparatus | |
| JP2009200613A (en) | Projector and display adjusting method of projector | |
| US10218948B2 (en) | Image displaying system, controlling method of image displaying system, and storage medium | |
| JP5633320B2 (en) | Drawing image sharing device | |
| CN108877631A (en) | Mura compensation method, device, computer equipment and the storage medium of display screen | |
| CN110992887B (en) | Mura compensation data acquisition method and device and display device | |
| CN103426403A (en) | Image acquisition method for calibration, picture display method and calibration method for LED display screen | |
| CN108335664B (en) | The method that camera image curved surface is demarcated using two-dimentional relative movement mode | |
| CN103702096B (en) | The optimization method of image co-registration process, Apparatus and system | |
| CN102111624A (en) | Luminance/chrominance information collection method for pixels of LED display screen | |
| US10043442B2 (en) | Display device, and method for modifying image displaying on the display device | |
| CN105185352A (en) | Method and device for image rim modification | |
| KR20150142138A (en) | Image display method | |
| US10770027B2 (en) | Image color cast compensation method and device, and display device | |
| CN104516482A (en) | Shadowless projection system and method | |
| EP3336830A1 (en) | Display unit, display panel, method for driving same, and display device | |
| US9602800B2 (en) | Image processing method | |
| CN111292243B (en) | Projection seamless edge fusion method and device | |
| CN104464634A (en) | LED correction effect checking method and relevant correction method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100089 1408, Building 29, yard 9, anningzhuang West Road, Haidian District, Beijing Patentee after: Beijing kaishida Technology Co.,Ltd. Address before: 100085 1408, Building 29, yard 9, anningzhuang West Road, Haidian District, Beijing Patentee before: BEIJING KYSTAR TECHNOLOGY Co.,Ltd. |