CN206212187U - A kind of multihead display color correction server - Google Patents
A kind of multihead display color correction server Download PDFInfo
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- CN206212187U CN206212187U CN201621309996.5U CN201621309996U CN206212187U CN 206212187 U CN206212187 U CN 206212187U CN 201621309996 U CN201621309996 U CN 201621309996U CN 206212187 U CN206212187 U CN 206212187U
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Abstract
The utility model discloses a kind of multihead display color correction server, the multihead display color correction server respectively with big ping server, video camera, display large-size screen monitors connection, the multihead display color correction server includes：Image input module, position data module, comprehensive color correction module and image output module.The multihead display color correction server is according to the camera position coordinate information for receiving, obtain corresponding screen color correction parameter, according to the screen color correction parameter, screen display content to being input into carries out color correction, and calibrated screen display content is exported by image output module includes that multiple display screens are shown to the display large-size screen monitors.By the technical solution of the utility model, ensure that the display effect of LED screen in video camera movement in different angle shot polyliths difference angle is consistent, colour cast is occurred without, a realistic simulation environment space display effect for no color differnece is made to television program designing and film shooting.
Description
Technical field
The utility model is related to data presentation technique field, and in particular to multiple screen displays are carried out with many screen displays of color correction
Show color correction server.
Background technology
LED large-size screen monitors are used widely in program making, displaying publicity, advertisement applications, but polylith LED screen was being used
Journey has aberration when being shot with video camera because visible angle is different, be positioned against, moulding is different, put spacing difference,
Content display effect is unable to unified fusion after causing to watch and shoot, and has obvious boundary line and light and shade to distinguish, and display colour cast makes
It can not allow all of screen display to go out the consistent shooting effect of unification.The color adjustment of LED screen on the market now all makes
With the fixed value of preceding setting, Matching and modification cannot be dynamically carried out in shooting process.
It is to carry out display content with tiny three primary colours (red, green, blue) LED assembled arrangement that LED shows, so
The electroluminescent lamp group that different viewing angles is seen has different aberration and shows, such as left side is to see green light part green partially on the high side,
The blue lamp portion that right side is seen is on the high side partially blue, and this has great harmful effect to viewing and photographed screen effect.
Existing camera positioning system has various ways, including infrared positioning, vision positioning, laser positioning, ultrasonic wave
Positioning etc., but the locating and tracking system not being corrected to screen display color.
It is to carry out display content with tiny three primary colours (red, green, blue) LED assembled arrangement that LED shows, so
The electroluminescent lamp group that different viewing angles is seen has different aberration and shows, such as left side is to see green light part green partially on the high side,
The blue lamp portion that right side is seen is on the high side partially blue, and this has great harmful effect to viewing and photographed screen effect.Video camera is being clapped
Take the photograph LED screen can only when just to screen could normally Show Color and colour temperature, cannot ensure to each piece when polylith screen splices
Screen is all just pair or unified angle shot, so the existing picture of " negative and positive " screen, the display effect of big havoc LED occurs
With unified Picture Showing.
Utility model content
The utility model combines real-time color correction software design patterns by the camera site and camera lens relevant parameter for reading video camera
Parameter, adjusts each piece of display effect of screen to each piece of relevant colors parameter of screen output picture in real time, reaches many screen displays
Show that content is unified in arbitrarily angled viewing effect, be in for the viewing of spectators and program shooting provide overall consistent picture effect
It is existing.
In order to solve the above technical problems, the utility model provides a kind of multihead display color correction server, the multihead display
Color correction server respectively with big ping server, video camera, display large-size screen monitors connection, the multihead display color correction server includes：Image
Input module, position data module, comprehensive color correction module and image output module, described image input module take with the large-size screen monitors
Business device connection, the position data module be connected with the video camera, the position data module and described image input module
It is connected with the comprehensive color correction module respectively, the comprehensive color correction module is connected with image output module, described image output mould
Block is connected with display large-size screen monitors；
Wherein, described image input module receives the screen display content of the big ping server output, the positional number
The camera position coordinate information that the video camera is exported is received according to module；The comprehensive color correction module receives the position data
The camera position coordinate information of module transfer, and according to the camera position coordinate information, obtain corresponding screen color correction ginseng
Number, according to the screen color correction parameter, carries out color correction to the screen display content of described image input module input, and will be through
The screen display content of correction is exported by image output module and shown to the display large-size screen monitors；
Wherein described display large-size screen monitors include multiple display screens.
Preferably, the display large-size screen monitors include three LED display curtains, and the LED display curtain is individually positioned in shooting
The left side of machine, right side and downside.
Preferably, the video camera includes a Camera location sensor, and the Camera location sensor uses machine
Gear adds grating encoding sensor to the coordinate information of acquisition camera and the angle lenses information of video camera.
Preferably, calibrated screen display content is exported to the multiple display screen by described image output module
Curtain so that the display effect of the multiple display screen is identical.
Preferably, the comprehensive color correction module can be according to the multiple display screen of diverse location information acquisition of video camera
The screen color correction parameter of curtain.
Preferably, the comprehensive color correction module shows to the screen of at least one of the multiple display screen display screen
Show that content is corrected.
Preferably, it is necessary to multipass camera acquisition is the multiple aobvious before being corrected to screen display content
The display image of display screen curtain, and with one of display screen as disjunction mark, color calibration is carried out to remaining display screen, obtain many
Individual screen color correction parameter, screen color correction parameter curve fit is calculated with the plurality of screen color correction parameter, so that by fitting
Curve obtains screen color correction parameter of position for video camera when diverse location.
Following technique effect is achieved by the technical solution of the utility model：
The utility model ensure that video camera movement in different angle shot polyliths difference angle LED screen display effect
Fruit is consistent, and occurs without the existing picture of colour cast, and a realistic simulation ring for no color differnece is made to television program designing and film shooting
Border space display effect.
Brief description of the drawings
Fig. 1 is existing the utility model system pie graph
Fig. 2 is the composition frame chart of the utility model color correction server
Specific embodiment
The utility model combines real-time color correction software design patterns by the camera site and camera lens relevant parameter for reading video camera
Parameter, adjusts each piece of display effect of screen to each piece of relevant colors parameter of screen output picture in real time, reaches many screen displays
Show that content is unified in arbitrarily angled viewing effect, be in for the viewing of spectators and program shooting provide overall consistent picture effect
It is existing.
Specifically, camera position and lens parameters are read using mechanical pick-up device plus grating encoding, obtains video camera
Color correction software is sent to after relevant parameter, the color configuration ginseng of camera lens when video camera multiple position is set in real-time color correction software
Number, makes it be associated with the parameter of sensor and matches, between color correction software processes each position of automatic smoothing by related algorithm
Parameter, realize different shooting angles dynamic display effect matching in real time.
The utility model provides a kind of multihead display color calibrating method, and the method is comprised the following steps：
1) image of multiple screens of the location coordinate information and the camera acquisition of video camera is obtained.
The location coordinate information of the video camera includes：The coordinate information of video camera and the angle lenses letter of video camera
Breath.
2) using in the multiple screen as disjunction mark screen, the image of the multiple screens according to the collection is right
The display content of other screens carries out color correction so that described other screens of the camera acquisition and the disjunction mark screen
Image display effect it is identical, storage screen color correction parameter that other screens are corrected.
Such as include three screens A, B and C.With A as disjunction mark, the value of chromatism of B screens and C screens is adjusted in color correction software, protected
Card display effect identical with its A screen.
3) judge that whether the position of the video camera changes number of times less than or equal to the number of times (such as 5 times) for setting, if small
In equal to 5, then change the position of video camera, jump to step 1), otherwise jump to step 4).
4) according to multiple screen color correction parameters of storage, by the matched curve of algorithm, it is ensured that be obtained in that the shooting
Screen color correction parameter of the machine in diverse location so that the multiple different screen that the video camera is gathered in diverse location
Image display effect is identical.
After determining by that analogy after many five points, the calculating of software is clicked on, by the matched curve of algorithm, obtain different
The chromatic aberration value of angle is consistent come the different display effects shielded in ensureing camera motion.
5) when position for video camera is in diverse location, the screen is obtained according to the location coordinate information and the matched curve
Other screens are carried out color correction by curtain color correction parameter.
Software can read every piece of screen of video camera diverse location coordinate and call different aberration schools respectively after startup color correction program
Positive parameter carries out real-time large-size screen monitors chromatic aberration correction.
As shown in figure 1, the utility model provides a kind of multihead display color correction system, the system includes：Big ping server,
Color correction server and with the tracking camera with position tracking function, and three pieces of display screens：Screen A, screen B and screen C, preferably
The display screen be LED display.Three blocks of images of display screen of the camera acquisition, the color correction server receives large-size screen monitors
The content that server sends, the content of the giant-screen device is also the content that screen display is shown at described three pieces.The color correction
Three pieces of contents of display screen that server shoots according to video camera, and the content that big ping server sends, it is aobvious to described three pieces
Display screen carries out color calibration.Specifically using one of display screen as disjunction mark, such as the display screen A just to video camera makees
It is disjunction mark, color calibration is carried out to other two pieces of display screens B and C, it is to avoid because camera position difference and angle lenses is not
Aberration is produced with the image gathered to three pieces of display screens A, B and C, and there are different colour temperatures.Show by display screen B and C
After showing that parameter is calibrated so that the display content of display screen A, B and C by after camera acquisition present identical effect, i.e.,
The existing picture of colour cast is occurred without, making a realistic simulation environment space for no color differnece to television program designing and film shooting shows effect
Really.
Accompanying drawing 2 specifically describes the concrete composition block diagram of color correction server.
Accompanying drawing 2 discloses a kind of multihead display color correction system, and the system includes：Big ping server, video camera, display is big
Screen, color correction server and multi-screen splicing device.
Color correction server includes：Image input module, position data module, comprehensive color correction module and image output module,
Described image input module is connected with the big ping server, and the position data module is connected with the video camera, institute's rheme
Put data module to be connected with the comprehensive color correction module respectively with described image input module, the comprehensive color correction module and image
Output module is connected, and described image output module is connected with display large-size screen monitors.
Wherein, described image input module receives the screen display content of the big ping server output, the positional number
The camera position coordinate information that the video camera is exported is received according to module；The comprehensive color correction module receives the position data
The camera position coordinate information of module transfer, and according to the camera position information, obtain corresponding screen color correction parameter, root
According to the screen color correction parameter, color correction is carried out to the screen display content that described image input module sends, and will be calibrated
Screen display content exported to the display large-size screen monitors by image output module.
The display large-size screen monitors include multiple display screens, such as screen A, B and C.
The comprehensive color correction module can include a memory module (not shown), for being used for color correction before storage
At least 5 color correction parameters, and color correction parameter curve fit such that it is able to the diverse location information acquisition pair according to video camera
The screen color correction parameter of the multiple display screen answered.
The video camera includes a Camera location sensor, the mirror of coordinate information and video camera to acquisition camera
Head angle information.The machine gear that Camera location transducing part can be provided using Shenzhen Oscar company adds grating encoding to pass
Sensor, meets free D Data Transport Protocols.
Accompanying drawing 2 also protects a kind of multihead display color correction server, the multihead display color correction server respectively with large-size screen monitors service
Device, video camera, display large-size screen monitors connection, multihead display color correction server includes：Image input module, position data module is comprehensive
Color correction module and image output module are closed, described image input module is connected with the big ping server, the position data mould
Block is connected with the video camera, and the position data module connects with the comprehensive color correction module respectively with described image input module
Connect, the comprehensive color correction module is connected with image output module, described image output module is connected with display large-size screen monitors；
Wherein, described image input module receives the screen display content of the big ping server output, the positional number
The camera position coordinate information that the video camera is exported is received according to module；The comprehensive color correction module receives the position data
The camera position coordinate information of module transfer, and according to the camera position coordinate information, obtain corresponding screen color correction ginseng
Number, according to the screen color correction parameter, carries out color correction to the screen display content of described image input module input, and will be through
The screen display content of correction is exported by image output module and shown to the display large-size screen monitors；Wherein described display large-size screen monitors
Including multiple display screens so that the display effect of the multiple display screen is identical.
The display large-size screen monitors include three LED display curtains A, B, C, and the LED display curtain is individually positioned in video camera
Left side, right side and downside.The video camera includes a Camera location sensor, and the Camera location sensor uses machine
Device gear adds grating encoding sensor to the coordinate information of acquisition camera and the angle lenses information of video camera.
The comprehensive color correction module can be according to the screen of the multiple display screen of diverse location information acquisition of video camera
Curtain color correction parameter.The comprehensive color correction module (such as shows to one or more display screens in the multiple display screen
Screen B, or display screen C, or display screen B, C) screen display content be corrected so that the multiple display screen
The display effect of A, B, C is identical.
, it is necessary to multipass camera acquisition the multiple display screen before being corrected to screen display content
Display image, and with one of display screen (such as just to display screen A) as disjunction mark, to remaining display screen (display
Screen B, C) color calibration is carried out, multiple screen color correction parameters are obtained, screen school is calculated with the plurality of screen color correction parameter
Color parameter curve fit, so as to obtain screen color correction parameter of the position for video camera when the diverse location by matched curve.
Specifically, the big ping server that system example is used tests what video camera was used using the big ping server of Hewlett-Packard
It is the high-definition camera of Sony, Camera location transducing part adds grating to compile using the machine gear that Shenzhen Oscar company provides
Code sensor, meets free D Data Transport Protocols, and LED large-size screen monitors are Leah moral screen, and large screen splicing device is spelled for Leah moral large-size screen monitors
Connect device.Implementing procedure：Three pieces of LED screens of different angles, the left side, the right side, ground, the video camera of shooting are built in test site
It is positioned on three meters of small rockers with data sampling sensor, apart from 2 meters of remote positions of large-size screen monitors.Open big ping server and school
Color server, opens video camera and checks shooting picture, starts the picture sight that camera position collecting device is photographed from video camera
See, different angle As, the Show Color of B, C screen, with A as disjunction mark, the value of chromatism of B screens and C screens adjusted in color correction software, it is ensured that
Display effect identical with its A screen, clicks on record in software design patterns, obtains the Chromaticity parameters of current location B, C screen.It is mobile certain
Behind position, then with A as disjunction mark, the value of chromatism of regulation B screens and C screens, it is ensured that display effect identical with its A screen is determined by that analogy
Afterwards after many five points, the calculating of software is clicked on, by the matched curve of algorithm, obtain the chromatic aberration value of different angles, come
Ensure that the display effect of different screens in camera motion is consistent.Software can read video camera difference position after starting color correction program
Every piece of screen of coordinate is put to call different chromatic aberration correction parameters respectively to carry out real-time large-size screen monitors chromatic aberration correction.
The utility model combines real-time color correction software design patterns by the camera site and camera lens relevant parameter for reading video camera
Parameter, adjusts each piece of display effect of screen to each piece of relevant colors parameter of screen output picture in real time, reaches many screen displays
Show that content is unified in arbitrarily angled viewing effect, be in for the viewing of spectators and program shooting provide overall consistent picture effect
It is existing.
Preferred embodiment of the present utility model is the foregoing is only, protection model of the present utility model is not intended to limit
Enclose.It is all it is of the present utility model spirit and principle within, any modification, equivalent and improvement for being made etc. all should be protected
Within protection domain of the present utility model.
Claims (7)
1. a kind of multihead display color correction server, the multihead display color correction server respectively with big ping server, video camera, display
Large-size screen monitors are connected, and the multihead display color correction server includes：Image input module, position data module, comprehensive color correction module and figure
As output module, described image input module is connected with the big ping server, the position data module and the video camera
Connection, the position data module is connected with the comprehensive color correction module respectively with described image input module, the comprehensive school
Color module is connected with image output module, and described image output module is connected with display large-size screen monitors；
Wherein, described image input module receives the screen display content of the big ping server output, the position data mould
Block receives the camera position coordinate information of the video camera output；The comprehensive color correction module receives the position data module
The camera position coordinate information of transmission, and according to the camera position coordinate information, obtain corresponding screen color correction parameter, root
According to the screen color correction parameter, the screen display content to the input of described image input module carries out color correction, and will be calibrated
Screen display content by image output module export to it is described display large-size screen monitors shown；
Wherein described display large-size screen monitors include multiple display screens.
2. multihead display color correction server according to claim 1, the display large-size screen monitors include three LED displays curtains,
The LED display curtain is individually positioned in left side, right side and the downside of video camera.
3. multihead display color correction server according to claim 1, the video camera includes a Camera location sensor,
The Camera location sensor adds grating encoding sensor to the coordinate information of acquisition camera and takes the photograph using machine gear
The angle lenses information of camera.
4. multihead display color correction server according to claim 1, the figure is passed through by calibrated screen display content
As output module is exported to the multiple display screen so that the display effect of the multiple display screen is identical.
5. multihead display color correction server according to claim 2, the comprehensive color correction module can be according to video camera
The screen color correction parameter of the multiple display screen of diverse location information acquisition.
6. multihead display color correction server according to claim 5, the comprehensive color correction module is to the multiple display screen
The screen display content of at least one of curtain display screen is corrected.
7. multihead display color correction server according to claim 1, before being corrected to screen display content, it is necessary to
The display image of the multiple display screen of multipass camera acquisition, and with one of display screen as disjunction mark, to it
Remaining display screen carries out color calibration, obtains multiple screen color correction parameters, and screen is calculated with the plurality of screen color correction parameter
Color correction parameter curve fit, so as to obtain screen color correction parameter of the position for video camera when the diverse location by matched curve.
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| CN201621309996.5U CN206212187U (en) | 2016-12-01 | 2016-12-01 | A kind of multihead display color correction server |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112309317A (en) * | 2020-10-22 | 2021-02-02 | 北京虚拟动点科技有限公司 | Screen color difference compensation method, device and system, electronic equipment and storage medium |
| CN113129814A (en) * | 2021-04-23 | 2021-07-16 | 浙江博采传媒有限公司 | Color correction method and system applied to virtual production of LED (light-emitting diode) ring screen |
| CN114792508A (en) * | 2021-01-25 | 2022-07-26 | 深圳市奥拓电子股份有限公司 | LED display screen brightness adjusting method based on shooting angle and shooting system |
| CN114792515A (en) * | 2022-04-15 | 2022-07-26 | 深圳市巨潮科技股份有限公司 | Method and system for supporting respective color correction of same-signal multi-display equipment |
| WO2022156142A1 (en) * | 2021-01-22 | 2022-07-28 | 深圳市影友摄影器材有限公司 | Electronic device and color correction system of external flash |
-
2016
- 2016-12-01 CN CN201621309996.5U patent/CN206212187U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112309317A (en) * | 2020-10-22 | 2021-02-02 | 北京虚拟动点科技有限公司 | Screen color difference compensation method, device and system, electronic equipment and storage medium |
| WO2022156142A1 (en) * | 2021-01-22 | 2022-07-28 | 深圳市影友摄影器材有限公司 | Electronic device and color correction system of external flash |
| CN114792508A (en) * | 2021-01-25 | 2022-07-26 | 深圳市奥拓电子股份有限公司 | LED display screen brightness adjusting method based on shooting angle and shooting system |
| CN113129814A (en) * | 2021-04-23 | 2021-07-16 | 浙江博采传媒有限公司 | Color correction method and system applied to virtual production of LED (light-emitting diode) ring screen |
| CN113129814B (en) * | 2021-04-23 | 2022-11-11 | 浙江博采传媒有限公司 | Color correction method and system applied to virtual production of LED (light-emitting diode) ring screen |
| CN114792515A (en) * | 2022-04-15 | 2022-07-26 | 深圳市巨潮科技股份有限公司 | Method and system for supporting respective color correction of same-signal multi-display equipment |
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Address after: 101117 No. 11-1-C6 Tonghu Street, Tongzhou District, Beijing Patentee after: Beijing de fire science and Technology Co., Ltd. Address before: 101117 No. 11-1-C6 Tonghu Street, Tongzhou District, Beijing Patentee before: Beijing leyard Video Technology Co. Ltd. |