CN107517332A - Automatic GAMMA data correction systems based on television set - Google Patents
Automatic GAMMA data correction systems based on television set Download PDFInfo
- Publication number
- CN107517332A CN107517332A CN201710876688.3A CN201710876688A CN107517332A CN 107517332 A CN107517332 A CN 107517332A CN 201710876688 A CN201710876688 A CN 201710876688A CN 107517332 A CN107517332 A CN 107517332A
- Authority
- CN
- China
- Prior art keywords
- television set
- data
- gamma
- correction
- control apparatus
- 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.)
- Pending
Links
Classifications
-
- 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
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/202—Gamma control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The present invention relates to television technologies.The present invention is to solve existing be directed to use same GAMMA data with the television set of model liquid crystal display, the problem of may causing image quality deviation, there is provided a kind of automatic GAMMA data correction systems based on television set, its technical scheme can be summarized as：Automatic GAMMA data correction systems based on television set, including data configuration server, correction control apparatus, Luminance Analysis instrument and signal generator, data configuration server, Luminance Analysis instrument and signal generator are connected with correction control apparatus respectively, correction control apparatus is used to establish connection with being corrected television set, Luminance Analysis instrument is used to carry out corresponding with being corrected the liquid crystal display of television set, can gather the optical data of the liquid crystal display.The invention has the advantages that producers are facilitated to correct, suitable for the GAMMA Data corrections of LCD screen of television.
Description
Technical field
The present invention relates to the technology of the technology of television set, more particularly to television set GAMMA Data corrections.
Background technology
At present during production liquid crystal TV set, GAMMA data are all to be adjusted under lab by individually debugging a model machine
In one group of GAMMA data write-in complete machine program, the television set with model liquid crystal display all uses one group of GAMMA of identical with batch
Data, but the OC due to each liquid crystal display, lamp bar and diaphragm state are more, after permutation and combination the state of liquid crystal display module compared with
More, uniformity can not be guaranteed, i.e., be likely to model with the performance of batch liquid crystal display it is variant, so in the lab
The GAMMA data of debugging out cannot embody each liquid crystal display difference, cause each complete machine image quality deviation.
The content of the invention
The invention aims to the television set solved currently for same model liquid crystal display to use same GAMMA data,
A kind of the problem of image quality deviation may be caused, there is provided automatic GAMMA data correction systems based on television set.
The present invention solves its technical problem, and the technical scheme of use is the automatic GAMMA Data corrections system based on television set
System, it is characterised in that including data configuration server, correction control apparatus, Luminance Analysis instrument and signal generator, the data
Configuration server, Luminance Analysis instrument and signal generator are connected with correction control apparatus respectively,
The data configuration server is used for the initial debugging image quality GAMMA for storing each television set model and Panel Type
Data, the acquisition sent according to correction control apparatus are asked, and find the initial of corresponding television set model and Panel Type
Debugging image quality GAMMA data are sent to correction control apparatus；
The correction control apparatus is used to establish connection with being corrected television set, and obtains its electricity from being corrected in television set
Depending on type number and Panel Type, generation obtains request and is sent to data configuration server, receives data configuration server and sends
The initial debugging image quality GAMMA data come simultaneously preserve, while control signal generator sends the signal specified, and notifies Luminance Analysis
Instrument works and receives the optical data that Luminance Analysis instrument is sent, by the optical data and the initial debugging image quality GAMMA of preservation
Data combine, and by GAMMA algorithms, calculate the GAMMA data after correction, and are sent to and are corrected television set and are write；
The Luminance Analysis instrument is used to carry out corresponding with being corrected the liquid crystal display of television set, can gather the light of the liquid crystal display
Data are learned, are operated according to the notice of correction control apparatus, and the optical data collected is sent to correction control apparatus；
The signal generator is used to be connected with being corrected television set, and according to the control of correction control apparatus to being corrected
Television set sends the signal specified.
Specifically, the preservation refers to be stored in temporary file.
Further, it is described to be combined the optical data with the initial debugging image quality GAMMA data preserved, pass through GAMMA
Algorithm, calculate the GAMMA data after correction and refer to：Mono- curve of RGB is constant in Gamma data fixed first, passes through x1, y1
Adjustment amount Δ R, Δ G and Δ B corresponding with x0, y0 comparison calculating R, G, B,
Δ B=(Rx+* (y0-y1)-Ry+* (x0-x1))/(Rx+*By--Ry+*Bx-)
Δ G=(Rx-* (y0-y1)-Ry-* (x0-x1))/(Rx-*Gy--Ry-*Gx-)
Δ R=(y0-y1-By+* (Rx+* (y0-y1)-Ry+* (x0-x1))/(Rx+*By+-Ry+*Bx+))/Ry+
Wherein x0 and y0 is the value write in initial GAMMA data, different and different according to liquid crystal display, and x1 and y1 are brightness point
The value that analyzer is read, Rx-, Rx+, Ry+, Ry-, Bx-, By-, Bx+, By+, Gx+, Gx-, Gy+ and Gy- are respectively the upper of R, G and B
Lower adjusted value, weight coefficient α, β, γ are then respectively obtained by Δ R, Δ G, Δ B, by weight coefficient, calculate whole piece Gamma
The corrected value of other corresponding points on curve, calculating expand to whole piece gamma curve, calculate the Gamma after television set correction
Data.
Specifically, described while control signal generator sends the signal specified, notice Luminance Analysis instrument works and received
In the optical data that Luminance Analysis instrument is sent, after control signal generator sends the signal specified, detection signal generator
The work of Luminance Analysis instrument is reinformed after the signal specified that sends is normal.
Further, the correction control apparatus is computer.
Specifically, the Luminance Analysis instrument is CA210 Luminance Analysis instrument or CA310 Luminance Analysis instrument, by USB interface with
Correction control apparatus connects.
Further, the signal generator is connected with correction control apparatus refers to connect by serial ports.
Specifically, the correction control apparatus is connected by serial ports with being corrected television set.
The invention has the advantages that in the present invention program, pass through the above-mentioned automatic GAMMA data school based on television set
Positive system, its GAMMA data can be corrected automatically for each television set, make each television set have it is a set of be adapted to itself
GAMMA data, so as to lift the image quality of each television set, and realize simple, facilitate producers to correct.
Brief description of the drawings
Fig. 1 is the system block diagram of the automatic GAMMA data correction systems of the invention based on television set.
Embodiment
Below in conjunction with the accompanying drawings and embodiment, technical scheme is described in detail.
The automatic GAMMA data correction systems based on television set of the present invention, its system block diagram is referring to Fig. 1, including data
Configuration server, correction control apparatus, Luminance Analysis instrument and signal generator, wherein, data configuration server, Luminance Analysis instrument
And signal generator is connected with correction control apparatus respectively, here, data configuration server be used for store each television set model and
The initial debugging image quality GAMMA data of Panel Type, the acquisition sent according to correction control apparatus are asked, found correspondingly
Television set model and the initial debugging image quality GAMMA data of Panel Type are sent to correction control apparatus；Correction control apparatus
For establishing connection with being corrected television set, and its television set model and Panel Type are obtained from being corrected in television set, it is raw
Data configuration server is sent into request is obtained, receives the initial debugging image quality GAMMA numbers that data configuration server is sent
According to and preserve, while control signal generator sends the signal specified, and notice Luminance Analysis instrument works and receives Luminance Analysis instrument
The optical data sent, the optical data is combined with the initial debugging image quality GAMMA data preserved, by GAMMA algorithms,
The GAMMA data after correction are calculated, and is sent to and is corrected television set and is write；Luminance Analysis instrument is used for being corrected electricity
Liquid crystal display depending on machine correspondingly, can gather the optical data of the liquid crystal display, and work is carried out according to the notice of correction control apparatus
Make, and the optical data collected is sent to correction control apparatus；Signal generator is used to be connected with being corrected television set, and
The signal specified is sent to television set is corrected according to the control of correction control apparatus.
Embodiment
The automatic GAMMA data correction systems based on television set in the embodiment of the present invention, its system block diagram referring to Fig. 1,
Including data configuration server, correction control apparatus, Luminance Analysis instrument and signal generator, wherein, it is data configuration server, bright
Degree analyzer and signal generator are connected with correction control apparatus respectively.
Wherein, data configuration server is used to store each television set model and the initial debugging image quality of Panel Type
GAMMA data, the acquisition sent according to correction control apparatus are asked, and find corresponding television set model and Panel Type
Initial debugging image quality GAMMA data are sent to correction control apparatus.
Correction control apparatus is used to establish connection with being corrected television set, and obtains its television set from being corrected in television set
Model and Panel Type, generation obtain request and are sent to data configuration server, receive what data configuration server was sent
Initial debugging image quality GAMMA data simultaneously preserve, while control signal generator sends the signal specified, and notifies Luminance Analysis instrument work
Make and receive the optical data that Luminance Analysis instrument is sent, by the optical data and the initial debugging image quality GAMMA data of preservation
With reference to by GAMMA algorithms, calculating the GAMMA data after correction, and be sent to and be corrected television set and write.
Here, it is preferably to be stored in temporary file to preserve, and facilitates the next correction for being corrected television set.The correction control
Device processed is preferably computer.Control signal generator sends the signal specified simultaneously, and notice Luminance Analysis instrument works and received
In the optical data that Luminance Analysis instrument is sent, after the signal specified preferably is sent in control signal generator, detection signal
The work of Luminance Analysis instrument is reinformed after the signal specified that generator is sent is normal.Correction control apparatus is by serial ports with being corrected
Television set connects.
And correction control apparatus and be corrected television set establish connection mode be prior art, such as by software to
Its television set that is corrected connected sends instruction of shaking hands, and is corrected after television set receives instruction of shaking hands, to correction control apparatus
Send and confirm link order, after correction control apparatus receives confirmation link order, connection is established.
The optical data is combined with the initial debugging image quality GAMMA data preserved, by GAMMA algorithms, calculates school
In GAMMA data after just, its computational methods can be：Mono- curve of RGB is constant in Gamma data fixed first, such as G bent
Line is constant, and R, G, B corresponding adjustment amount Δ R, Δ G and Δ B are calculated by x1, y1 and x0, y0 comparison,
Δ B=(Rx+* (y0-y1)-Ry+* (x0-x1))/(Rx+*By-Ry+*Bx-)
Δ G=(Rx-* (y0-y1)-Ry-* (x0-x1))/(Rx-*Gy-Ry-*Gx-)
Δ R=(y0-y1-By+* (Rx+* (y0-y1)-Ry+* (x0-x1))/(Rx+*By+-Ry+*Bx+))/Ry+
Wherein x0 and y0 is the value write in initial GAMMA data, different and different according to liquid crystal display, and x1 and y1 are brightness point
The value that analyzer is read, Rx-, Rx+, Ry+, Ry-, Bx-, By-, Bx+, By+, Gx+, Gx-, Gy+ and Gy- are respectively the upper of R, G and B
Lower adjusted value, weight coefficient α, β, γ are then respectively obtained by Δ R, Δ G, Δ B, by weight coefficient, calculate whole piece Gamma
The corrected value of other corresponding points on curve, calculating expand to whole piece gamma curve, calculate the Gamma after television set correction
Data, and write in temporary file.
Luminance Analysis instrument is used to carry out corresponding with being corrected the liquid crystal display of television set, can gather the optics number of the liquid crystal display
According to being operated according to the notice of correction control apparatus, and the optical data collected is sent into correction control apparatus.
Luminance Analysis instrument can be CA210 Luminance Analysis instrument or CA310 Luminance Analysis instrument etc., pass through USB interface and correction
Control device connects.
Signal generator is used to be connected with being corrected television set, and according to the control of correction control apparatus to being corrected TV
Machine sends the signal specified.Signal generator can be connected by serial ports with correction control apparatus.
It is corrected after television set receives the GAMMA data that correction control apparatus is sent, is written into and replaces software
In the initial GAMMA data that prestore.
Claims (8)
1. the automatic GAMMA data correction systems based on television set, it is characterised in that including data configuration server, correction control
Device, Luminance Analysis instrument and signal generator processed, the data configuration server, Luminance Analysis instrument and signal generator respectively with
Correction control apparatus connects,
The data configuration server is used for the initial debugging image quality GAMMA numbers for storing each television set model and Panel Type
According to the acquisition sent according to correction control apparatus is asked, and finds the initial tune of corresponding television set model and Panel Type
Examination image quality GAMMA data are sent to correction control apparatus；
The correction control apparatus is used to establish connection with being corrected television set, and obtains its television set from being corrected in television set
Model and Panel Type, generation obtain request and are sent to data configuration server, receive what data configuration server was sent
Initial debugging image quality GAMMA data simultaneously preserve, while control signal generator sends the signal specified, and notifies Luminance Analysis instrument work
Make and receive the optical data that Luminance Analysis instrument is sent, by the optical data and the initial debugging image quality GAMMA data of preservation
With reference to by GAMMA algorithms, calculating the GAMMA data after correction, and be sent to and be corrected television set and write；
The Luminance Analysis instrument is used to carry out corresponding with being corrected the liquid crystal display of television set, can gather the optics number of the liquid crystal display
According to being operated according to the notice of correction control apparatus, and the optical data collected is sent into correction control apparatus；
The signal generator is used to be connected with being corrected television set, and according to the control of correction control apparatus to being corrected TV
Machine sends the signal specified.
2. the automatic GAMMA data correction systems based on television set as claimed in claim 1, it is characterised in that the preservation
Refer to be stored in temporary file.
3. the automatic GAMMA data correction systems based on television set as claimed in claim 1, it is characterised in that it is described should
Optical data is combined with the initial debugging image quality GAMMA data preserved, by GAMMA algorithms, calculates the GAMMA numbers after correction
According to referring to：Mono- curve of RGB is constant in Gamma data fixed first, corresponding with x0, y0 comparison calculating R, G, B by x1, y1
Adjustment amount Δ R, Δ G and Δ B,
Δ B=(Rx+* (y0-y1)-Ry+* (x0-x1))/(Rx+*By--Ry+*Bx-)
Δ G=(Rx-* (y0-y1)-Ry-* (x0-x1))/(Rx-*Gy--Ry-*Gx-)
Δ R=(y0-y1-By+* (Rx+* (y0-y1)-Ry+* (x0-x1))/(Rx+*By+-Ry+*Bx+))/Ry+
Wherein x0 and y0 is the value write in initial GAMMA data, and different and different according to liquid crystal display, x1 and y1 are Luminance Analysis instrument
The value of reading, Rx-, Rx+, Ry+, Ry-, Bx+, By+, Bx-, By-, Gx+, Gx-, Gy+ and Gy- are respectively R, G and B upper downward
Whole value, weight coefficient α, β, γ are then respectively obtained by Δ R, Δ G, Δ B, by weight coefficient, calculate whole piece gamma curve
The corrected value of other upper corresponding points, calculating expand to whole piece gamma curve, calculate the Gamma data after television set correction.
4. the automatic GAMMA data correction systems based on television set as claimed in claim 1, it is characterised in that it is described simultaneously
Control signal generator sends the signal specified, and notifies Luminance Analysis instrument to work and receives the optics number that Luminance Analysis instrument is sent
In, after control signal generator sends the signal specified, after the signal specified that detection signal generator is sent is normal again
Notify the work of Luminance Analysis instrument.
5. the automatic GAMMA data correction systems based on television set as claimed in claim 1, it is characterised in that the correction
Control device is computer.
6. the automatic GAMMA data correction systems based on television set as claimed in claim 1, it is characterised in that the brightness
Analyzer is CA210 Luminance Analysis instrument or CA310 Luminance Analysis instrument, is connected by USB interface with correction control apparatus.
7. the automatic GAMMA data correction systems based on television set as claimed in claim 1, it is characterised in that the signal
Generator is connected with correction control apparatus to be referred to connect by serial ports.
8. the automatic GAMMA data correction systems based on television set as described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7, its
It is characterised by, the correction control apparatus is connected by serial ports with being corrected television set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876688.3A CN107517332A (en) | 2017-09-25 | 2017-09-25 | Automatic GAMMA data correction systems based on television set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876688.3A CN107517332A (en) | 2017-09-25 | 2017-09-25 | Automatic GAMMA data correction systems based on television set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107517332A true CN107517332A (en) | 2017-12-26 |
Family
ID=60726375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710876688.3A Pending CN107517332A (en) | 2017-09-25 | 2017-09-25 | Automatic GAMMA data correction systems based on television set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107517332A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600724A (en) * | 2018-05-31 | 2018-09-28 | 青岛海信传媒网络技术有限公司 | A kind of method and apparatus of adjustment gamma |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348126A (en) * | 2010-08-02 | 2012-02-08 | 厦门华侨电子股份有限公司 | Method for realizing automatic adjustment of Gamma curve of television through computer |
| JP2012504918A (en) * | 2008-10-03 | 2012-02-23 | アドバンスト・マイクロ・ディバイシズ・インコーポレイテッド | Distributed audio and video processing |
| CN103067743A (en) * | 2012-12-20 | 2013-04-24 | 广州视源电子科技股份有限公司 | Quick adjustment system and method for liquid crystal display television |
| CN104584115A (en) * | 2012-08-27 | 2015-04-29 | 索尼公司 | Image display device and image display method, information communication terminal and information communication method, and image display system |
-
2017
- 2017-09-25 CN CN201710876688.3A patent/CN107517332A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012504918A (en) * | 2008-10-03 | 2012-02-23 | アドバンスト・マイクロ・ディバイシズ・インコーポレイテッド | Distributed audio and video processing |
| CN102348126A (en) * | 2010-08-02 | 2012-02-08 | 厦门华侨电子股份有限公司 | Method for realizing automatic adjustment of Gamma curve of television through computer |
| CN104584115A (en) * | 2012-08-27 | 2015-04-29 | 索尼公司 | Image display device and image display method, information communication terminal and information communication method, and image display system |
| CN103067743A (en) * | 2012-12-20 | 2013-04-24 | 广州视源电子科技股份有限公司 | Quick adjustment system and method for liquid crystal display television |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600724A (en) * | 2018-05-31 | 2018-09-28 | 青岛海信传媒网络技术有限公司 | A kind of method and apparatus of adjustment gamma |
| CN108600724B (en) * | 2018-05-31 | 2020-11-20 | 青岛海信传媒网络技术有限公司 | Method and equipment for adjusting gamma curve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10971098B2 (en) | Method and device for adjusting gray scale of display panel | |
| CN106373523B (en) | Spliced bright and dark line compensation method | |
| US10008148B2 (en) | Image processing apparatus, image processing method, display device, computer program and computer-readable medium | |
| US20160033795A1 (en) | Testing device, method thereof, display device and display method thereof | |
| CN105681700B (en) | The Flicker adjustment method and device of LCD TV | |
| CN105336307B (en) | A kind of bearing calibration of display gamma and system based on colour temperature | |
| CN106652874B (en) | Gray scale compensation device and method for combined pixels and display device | |
| CN101377900B (en) | LED display system and display method thereof | |
| CN103763546A (en) | Light source difference correction method for monomer correction of mobile phone camera | |
| US20140218411A1 (en) | Method and System for Improving a Color Shift of Viewing Angle of Skin Color of an LCD Screen | |
| CN111402827B (en) | LCD spliced screen correction method, device and system and control system | |
| CN101593495B (en) | Method and device for setting LCD gamma value and method for producing liquid crystal panel module | |
| CN103854556A (en) | Voltage compensation device and voltage compensation method for primary color sub-pixel as well as display device | |
| WO2015113390A1 (en) | Method and apparatus for modulating image display quality of display device | |
| CN103077691A (en) | Liquid crystal spliced screen, correcting method thereof and liquid crystal display device | |
| CN108831393A (en) | Liquid crystal display panel Mura compensation optimizing method and optimization system | |
| CN103617783A (en) | Liquid crystal module pixel luminance regulating method and system | |
| US20210225318A1 (en) | Method for eliminating residual image in liquid crystal display panel | |
| CN110992913A (en) | Color supplement correction method for liquid crystal display screen | |
| CN112419997B (en) | Chrominance compensation method, display device and storage medium | |
| CN103037237A (en) | Display apparatus and image processing method | |
| CN102750914B (en) | Display module driving circuit, driving method and liquid crystal television | |
| CN105679263B (en) | Method and system for splicing display device display color | |
| CN107517332A (en) | Automatic GAMMA data correction systems based on television set | |
| US20170193958A1 (en) | Drive circuit and method for improving display effect of lcd, and liquid crystal display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171226 |
|
| RJ01 | Rejection of invention patent application after publication |