CN104599652A - Terminal screen white balance correcting method and device - Google Patents

Terminal screen white balance correcting method and device Download PDF

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Publication number
CN104599652A
CN104599652A CN201510031471.3A CN201510031471A CN104599652A CN 104599652 A CN104599652 A CN 104599652A CN 201510031471 A CN201510031471 A CN 201510031471A CN 104599652 A CN104599652 A CN 104599652A
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Prior art keywords
color temperature
temperature value
gain
offset
white balance
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CN201510031471.3A
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陈岱玲
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ShenZhen Cultraview Digital Technology Co Ltd
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ShenZhen Cultraview Digital Technology Co Ltd
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Priority to CN201510031471.3A priority Critical patent/CN104599652A/en
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Abstract

Disclosed is a terminal screen white balance correcting method. The terminal screen white balance correcting method comprises the steps that a built-in white field picture is used and displayed on a terminal screen; the color temperature value of the terminal screen is acquired through a color analyzer; the color temperature value is corrected through adjustment of a white balance parameter; whether the error between the corrected color temperature value and a preset value is within the threshold value range or not is judged; if yes, the corrected color temperature value serves as the color temperature value corresponding to the white balance of the terminal screen. By the adoption of the terminal screen white balance correcting method, stability of white balance correction of the terminal screen is effectively improved. The invention further provides a terminal screen white balance correcting device.

Description

Terminal screen white balance correcting and device
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of terminal screen white balance correcting and device.
Background technology
Along with popularizing of LCD TV, people require more and more higher for LCD TV image quality.Determine that an importance of liquid crystal television definition is exactly the white balance of image, in LCD TV production run, also can carry out white balance correction.White balance is an index of white degree of accuracy after red (R), green (G) in description LCD TV, blue (B) three primary colours mixing generation.White balance does not have defective LCD TV, white degree of purity can not be affected when changing color and brightness, that is there will not be colour cast, more not having other variegated doping wherein, because for a LCD TV, even very small colour cast all can affect the chromaticity of picture.
Traditional LCD TV complete machine in process of production, substantially be all produce white field signal by access signal generator, this white field signal shows on a terminal screen after LCD TV process, utilize the color temperature value of color analyzer measuring terminals screen, according to measurement result again automatic or manual regulate rgb value to reach required color temperature value.Owing to production line will be used the wire rod of signal generator and connection signal generator and LCD TV, just there is the disturbed possibility of white field signal in this, the white field signal that synchronous signal source sends will through the signal transacting of LCD TV, in the process, also white field signal is easily caused to change, the white field that the white field that LCD TV terminal screen presents sends with signal generator can there are differences, thus causes that white balance correction result is stable not there will be exception.
Summary of the invention
Based on this, be necessary for above-mentioned technical matters, a kind of the terminal screen white balance correcting and the device that effectively improve the stability of white balance correction are provided.
A kind of terminal screen white balance correcting, described method comprises:
Call built-in white field picture to show on a terminal screen;
Color analyzer is utilized to obtain the color temperature value of described terminal screen;
Described color temperature value is corrected by regulating white balance parameter;
Judge that error between the color temperature value after correcting and preset value is whether in threshold range;
If so, then using the color temperature value after described correction as color temperature value corresponding during described terminal screen white balance.
Wherein in an embodiment, described in call the step of built-in white field picture before, also comprise:
Adjustment is red, green, blue trichromatic ratio is 1:1:1, generates white field picture;
Described white field picture is built in terminal.
Wherein in an embodiment, described white balance parameter comprises B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, and the described step by regulating white balance parameter to correct described color temperature value comprises:
The colourity x coordinate corresponding with color temperature value is corrected by regulating R-GAIN and R-OFFSET;
The chromaticity y coordinate corresponding with color temperature value is corrected by regulating B-GAIN and B-OFFSET.
Wherein in an embodiment, described judge the step of the error between the color temperature value after correcting and preset value whether in threshold range after, also comprise:
If when number of corrections exceeds preset times, the color temperature value after correction and the error between preset value fail to fall into threshold range, then reduce the value that described white balance parameter is corresponding;
Return the described color temperature value step utilizing color analyzer to obtain terminal screen.
Wherein in an embodiment, described white balance parameter also comprises G-GAIN and G-OFFSET, and the step of the value that the described white balance parameter of described reduction is corresponding comprises:
Reduce the value of G-GAIN and G-OFFSET respectively;
Described return described utilize color analyzer obtain terminal screen color temperature value step step after, also comprise:
Value after reducing according to G-GAIN and G-OFFSET, again regulates B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, corrects the chromaticity coordinate corresponding with color temperature value.
A kind of terminal screen white balance correction device, described device comprises:
Calling module, shows on a terminal screen for calling built-in white field picture;
Acquisition module, for the color temperature value utilizing color analyzer to obtain described terminal screen;
Correction module, for correcting described color temperature value by adjustment white balance parameter;
Judge module, for judging that error between the color temperature value after correcting and preset value is whether in threshold range;
Determination module, if for correct after color temperature value and preset value between error in threshold range, then using the color temperature value after described correction as color temperature value corresponding during described terminal screen white balance.
Wherein in an embodiment, described device also comprises:
Generation module, for adjusting redness, green, blue trichromatic ratio be 1:1:1, generates white field picture;
Built-in module, for being built in terminal by described white field picture.
Wherein in an embodiment, described white balance parameter comprises B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, and described correction module comprises:
First regulon, for correcting the colourity x coordinate corresponding with color temperature value by adjustment R-GAIN and R-OFFSET;
Second regulon, for correcting the chromaticity y coordinate corresponding with color temperature value by adjustment B-GAIN and B-OFFSET.
Wherein in an embodiment, if when described correction module also exceeds preset times for number of corrections, the color temperature value after correction and the error between preset value fail to fall into threshold range, then reduce the value that described white balance parameter is corresponding; Described acquisition module is also for returning the described color temperature value step utilizing color analyzer to obtain terminal screen.
Wherein in an embodiment, described white balance parameter also comprises G-GAIN and G-OFFSET, and described correction module is also for reducing the value of G-GAIN and G-OFFSET respectively; Described correction module also for according to the value after G-GAIN and G-OFFSET reduction, again regulates B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, corrects the chromaticity coordinate corresponding with color temperature value.
Above-mentioned terminal screen white balance correcting and device, call built-in white field picture and show on a terminal screen; Color analyzer is utilized to obtain the color temperature value of terminal screen; Correcting colour temperature value is carried out by regulating white balance parameter; Judge that error between the color temperature value after correcting and preset value is whether in threshold range; If so, then using correct after color temperature value as color temperature value corresponding during terminal screen white balance.Owing to have employed built-in white field picture, effectively prevent traditional employing signal generator and produce white field signal, and through connecting line white field signal transferred to terminal show time, because white field signal changes the problem of the white balance exception caused, effectively improve the stability of terminal screen white balance correction.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of terminal screen white balance correcting in an embodiment;
Fig. 2 is the structural representation of terminal screen white balance correction device in an embodiment;
Fig. 3 is the structural representation of terminal screen white balance correction device in another embodiment;
Fig. 4 is the structural representation of correction module in an embodiment.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In one embodiment, as shown in Figure 1, provide a kind of terminal screen white balance correcting, the method specifically comprises:
Step 102, calls built-in white field picture and shows on a terminal screen.
Terminal screen refers to LCD (Liquid Crystal Display, the liquid crystal display) screen in terminal, and terminal includes but not limited to TV, display, panel computer etc.When starting the white balance correcting terminal screen, call the white field picture being built in terminal.According to call instruction, this white field picture is carried out on a terminal screen broadcasting display, as the reference white of terminal screen.Due to white field picture is built in terminal, effectively prevent traditional employing signal generator and produce white field signal, and through connecting line white field signal transferred to terminal show time, because white field signal changes the problem of the white balance exception caused, effectively improve the stability of terminal screen white balance correction.
Step 104, utilizes color analyzer to obtain the color temperature value of terminal screen.
The probe of color analyzer being connected with terminal, obtaining the color temperature value of terminal screen when playing white field picture.The color temperature value of the terminal screen of different terminals is different, and the color temperature value of the terminal screen of same terminal also may be different.
Step 106, carrys out correcting colour temperature value by regulating white balance parameter.
In general, green does not affect color temperature value, and more high color temperature value is higher for blueness, and picture can be more limpid; More high color temperature value is lower for redness, and picture can be richer and more gaudy.Color temperature value is corresponding with chromaticity coordinate, and wherein colourity is used for reflecting the tone of color and saturation degree.Such as, though the international uniform standard that international wireless electricity consulting committee's meeting (CCIR) adopts European Broadcasting Union (EBU) to advise, colour television set reference white adopts color temperature value to be 6500K, and chromaticity coordinate is x=0.3127, y=0.3290.One group of chromaticity coordinate can determine a corresponding color temperature value.White balance correction by regulating white balance parameter to carry out correcting colour temperature value, namely being changed chromaticity coordinate by tune R (redness), the G (green) of terminal screen, B (blueness) ratio thus being reached default color temperature value exactly.
Step 108, judges that error between the color temperature value after correcting and preset value is whether in threshold range; If so, then step 110 is entered, otherwise, return step 106.
The color temperature value that namely preset value is preset, the preset value of different terminals screen is different.The preset value of same terminal under different display modes is also different.Color temperature value after correction and the error between preset value are also the equal of correct the error between the rear chromaticity coordinate chromaticity coordinate corresponding with preset value.
Step 110, using the color temperature value after correction as color temperature value corresponding during terminal screen white balance.
Color temperature value after correction and the error between preset value are in threshold range, then the color temperature value after just correcting as color temperature value corresponding during terminal screen white balance, and preserves this color temperature value.Such as, the color temperature value after correction is 9300K, corresponding chromaticity coordinate x=0.283y=0.297, and compared with preset value, error falls in threshold range ± 0.005, then using 9300K as color temperature value during terminal screen white balance.
In the present embodiment, call built-in white field picture and show on a terminal screen; Color analyzer is utilized to obtain the color temperature value of terminal screen; Correcting colour temperature value is carried out by regulating white balance parameter; Judge that error between the color temperature value after correcting and preset value is whether in threshold range; If so, then using correct after color temperature value as color temperature value corresponding during terminal screen white balance.Owing to have employed built-in white field picture, effectively prevent traditional employing signal generator and produce white field signal, and through connecting line white field signal transferred to terminal show time, because white field signal changes the problem of the white balance exception caused, effectively improve the stability of white balance correction.Meanwhile, decrease signal generator and wire rod in production line and drop into, saved manufacturing cost, further, decreased the step that operator on production line plugs wire rod, optimize generating run flow process.
In one embodiment, before calling the step of built-in white field picture, also comprise: adjustment is red, green, blue trichromatic ratio is 1:1:1, generates white field picture; White field picture is built in terminal.
In the present embodiment, utilize picture processing instrument, redness, green, blue trichromatic ratio are adjusted to 1:1:1, gray scale and white is become after making it mix, concrete, being that 51:51:51 obtains 20% gray scale according to red, green, blue three primary colors, is that 204:204:204 obtains 80% gray scale according to red, green, blue three primary colors, what be that 255:255:255 obtains according to red, green, blue three primary colors is exactly white field picture, and the gray scale in the picture of white field is completely without color.Using the reference white of white field picture as terminal screen correct white balance.By the FLASH (solid-state memory) of white field picture by serial ports write terminal.After receiving the instruction of calling white field picture, transmit this white field picture and play display on a terminal screen.
In one embodiment, white balance parameter comprises B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, is comprised by the step regulating white balance parameter to correct described color temperature value: correct the colourity x coordinate corresponding with color temperature value by regulating R-GAIN and R-OFFSET; The chromaticity y coordinate corresponding with color temperature value is corrected by regulating B-GAIN and B-OFFSET.
In the present embodiment, by the highlights white balance regulating B-GAIN (blue gain) and R-GAIN (red gain) to regulate picture, by the dark portion white balance regulating R-OFFSET (red compensation) and B-OFFSET (blueness compensates) to regulate picture.Because color temperature value is corresponding with chromaticity coordinate, by regulating chromaticity coordinate can correcting colour temperature value accordingly.The chromaticity y coordinate corresponding with color temperature value is corrected by regulating B-GAIN and B-OFFSET; The colourity x coordinate corresponding with color temperature value is corrected by regulating R-GAIN and R-OFFSET.Concrete, can regulate gradually from low to high according to the amplification preset B-GAIN, B-OFFSET, R-GAIN and R-OFFSET.Error between color temperature value after calibration and preset value, in threshold range, namely stops the adjustment to above-mentioned parameter.In trimming process, utilize 80% gray scale to regulate B-GAIN and R-GAIN, utilize 20% gray scale adjustment B-OFFSET and R-OFFSET, wherein mainly regulate B-GAIN and R-GAIN of 80% gray scale, B-OFFSET and the R-OFFSET just fine setting of 20% gray scale, the threshold range of its error is ± 0.015.Thus achieve and simple and effectively carry out terminal screen white balance correction.
In one embodiment, after judging error between the color temperature value after correcting and the preset value step whether in threshold range, also comprise: if when number of corrections exceeds preset times, color temperature value after correction and the error between preset value fail to fall into threshold range, then reduce value corresponding to white balance parameter; Returning utilization color analyzer obtains the color temperature value step of terminal screen.
In the present embodiment, if exceed preset times (as, 20 times) after, after regulating white balance parameter, the error obtained between color temperature value and preset value still can not fall in threshold range, then need the value again reducing white balance parameter corresponding again to correct.Wherein in an embodiment, white balance parameter also comprises G-GAIN and G-OFFSET, and the step reducing value corresponding to white balance parameter comprises: the value reducing G-GAIN and G-OFFSET respectively; After Returning utilization color analyzer obtains the step of the color temperature value step of terminal screen, also comprise: the value after reducing according to G-GAIN and G-OFFSET, again regulate B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, correct the chromaticity coordinate corresponding with color temperature value.
After repeatedly regulating B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, what be conditioned due to value that this quadrinomial parameter is corresponding too highly even may reach capacity, and cannot proceed to regulate again.Now, need, by reducing value corresponding to G-GAIN (green gain) and G-OFFSET (green compensation), to provide certain surplus to B-GAIN, B-OFFSET, R-GAIN and R-OFFSET.But reduce the value that G-GAIN and G-OFFSET is corresponding, chromaticity coordinate can be had influence on, therefore need again to utilize after color analyzer obtains the color temperature value of terminal screen, B-GAIN, B-OFFSET, R-GAIN and R-OFFSET are regulated again, to correct the chromaticity coordinate corresponding with color temperature value.By reducing the value of G-GAIN and G-OFFSET, again can correct chromaticity coordinate, further can correct the white balance of terminal screen thus.If in Preset Time, still the white balance of terminal screen can not be corrected, then stop correcting, this terminal is exited generation line as bad machine.
In one embodiment, as shown in Figure 2, provide a kind of terminal screen white balance correction device, this device comprises: calling module 202, acquisition module 204, correction module 206, judge module 208 and determination module 210, wherein:
Calling module 202, shows on a terminal screen for calling built-in white field picture.
Acquisition module 204, for the color temperature value utilizing color analyzer to obtain terminal screen.
Correction module 206, for carrying out correcting colour temperature value by adjustment white balance parameter.
Judge module 208, for judging that error between the color temperature value after correcting and preset value is whether in threshold range.
Determination module 210, if for correct after color temperature value and preset value between error in threshold range, then using correct after color temperature value as color temperature value corresponding during terminal screen white balance.
In the present embodiment, owing to have employed built-in white field picture, effectively prevent traditional employing signal generator and produce white field signal, and through connecting line white field signal transferred to terminal show time, because white field signal changes the problem of the white balance exception caused, effectively improve the stability of terminal screen white balance correction.Meanwhile, decrease signal generator and wire rod in production line and drop into, saved manufacturing cost, further, decreased the step that operator on production line plugs wire rod, optimize generating run flow process.
In one embodiment, as shown in Figure 3, device also comprises: generation module 212 and built-in module 214, wherein:
Generation module 212, for adjusting redness, green, blue trichromatic ratio be 1:1:1, generates white field picture.
Built-in module 214, for being built in terminal by white field picture.
In one embodiment, white balance parameter comprises B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, and as shown in Figure 4, correction module 206 comprises: the first regulon 206a and the second regulon 206b, wherein:
First regulon 206a, for correcting the colourity x coordinate corresponding with color temperature value by adjustment R-GAIN and R-OFFSET.
Second regulon 206b, for correcting the chromaticity y coordinate corresponding with color temperature value by adjustment B-GAIN and B-OFFSET.
In the present embodiment, can regulate gradually from low to high according to the amplification preset B-GAIN, B-OFFSET, R-GAIN and R-OFFSET.Error between color temperature value after calibration and preset value, in threshold range, namely stops the adjustment to above-mentioned parameter.Thus achieve and simple and effectively carry out terminal screen white balance correction.
In one embodiment, if when correction module 206 also exceeds preset times for number of corrections, the color temperature value after correction and the error between preset value fail to fall into threshold range, then reduce value corresponding to white balance parameter; Acquisition module 204 also obtains the color temperature value step of terminal screen for Returning utilization color analyzer.Wherein in an embodiment, white balance parameter also comprises G-GAIN and G-OFFSET, and correction module 206 is also for reducing the value of G-GAIN and G-OFFSET respectively; Correction module 206 also for according to the value after G-GAIN and G-OFFSET reduction, again regulates B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, corrects the chromaticity coordinate corresponding with color temperature value.
In the present embodiment, by reducing the value of G-GAIN and G-OFFSET, again can correct chromaticity coordinate, further can correct the white balance of terminal screen thus.If in Preset Time, still the white balance of terminal screen can not be corrected, then stop correcting, this terminal is exited generation line as bad machine.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. a terminal screen white balance correcting, described method comprises:
Call built-in white field picture to show on a terminal screen;
Color analyzer is utilized to obtain the color temperature value of described terminal screen;
Described color temperature value is corrected by regulating white balance parameter;
Judge that error between the color temperature value after correcting and preset value is whether in threshold range;
If so, then using the color temperature value after described correction as color temperature value corresponding during described terminal screen white balance.
2. method according to claim 1, is characterized in that, described in call the step of built-in white field picture before, also comprise:
Adjustment is red, green, blue trichromatic ratio is 1:1:1, generates white field picture;
Described white field picture is built in terminal.
3. method according to claim 1, is characterized in that, described white balance parameter comprises B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, and the described step by regulating white balance parameter to correct described color temperature value comprises:
The colourity x coordinate corresponding with color temperature value is corrected by regulating R-GAIN and R-OFFSET;
The chromaticity y coordinate corresponding with color temperature value is corrected by regulating B-GAIN and B-OFFSET.
4. method according to claim 1, is characterized in that, described judge the step of the error between the color temperature value after correcting and preset value whether in threshold range after, also comprise:
If when number of corrections exceeds preset times, the color temperature value after correction and the error between preset value fail to fall into threshold range, then reduce the value that described white balance parameter is corresponding;
Return the described color temperature value step utilizing color analyzer to obtain terminal screen.
5. method according to claim 4, is characterized in that, described white balance parameter also comprises G-GAIN and G-OFFSET, and the step of the value that the described white balance parameter of described reduction is corresponding comprises:
Reduce the value of G-GAIN and G-OFFSET respectively;
Described return described utilize color analyzer obtain terminal screen color temperature value step step after, also comprise:
Value after reducing according to G-GAIN and G-OFFSET, again regulates B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, corrects the chromaticity coordinate corresponding with color temperature value.
6. a terminal screen white balance correction device, is characterized in that, described device comprises:
Calling module, shows on a terminal screen for calling built-in white field picture;
Acquisition module, for the color temperature value utilizing color analyzer to obtain described terminal screen;
Correction module, for correcting described color temperature value by adjustment white balance parameter;
Judge module, for judging that error between the color temperature value after correcting and preset value is whether in threshold range;
Determination module, if for correct after color temperature value and preset value between error in threshold range, then using the color temperature value after described correction as color temperature value corresponding during described terminal screen white balance.
7. device according to claim 6, is characterized in that, described device also comprises:
Generation module, for adjusting redness, green, blue trichromatic ratio be 1:1:1, generates white field picture;
Built-in module, for being built in terminal by described white field picture.
8. device according to claim 6, is characterized in that, described white balance parameter comprises B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, and described correction module comprises:
First regulon, for correcting the colourity x coordinate corresponding with color temperature value by adjustment R-GAIN and R-OFFSET;
Second regulon, for correcting the chromaticity y coordinate corresponding with color temperature value by adjustment B-GAIN and B-OFFSET.
9. device according to claim 6, is characterized in that, if when described correction module also exceeds preset times for number of corrections, the color temperature value after correction and the error between preset value fail to fall into threshold range, then reduce the value that described white balance parameter is corresponding; Described acquisition module is also for returning the described color temperature value step utilizing color analyzer to obtain terminal screen.
10. device according to claim 9, is characterized in that, described white balance parameter also comprises G-GAIN and G-OFFSET, and described correction module is also for reducing the value of G-GAIN and G-OFFSET respectively; Described correction module also for according to the value after G-GAIN and G-OFFSET reduction, again regulates B-GAIN, B-OFFSET, R-GAIN and R-OFFSET, corrects the chromaticity coordinate corresponding with color temperature value.
CN201510031471.3A 2015-01-21 2015-01-21 Terminal screen white balance correcting method and device Pending CN104599652A (en)

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Cited By (9)

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CN105100765A (en) * 2015-09-07 2015-11-25 歌尔声学股份有限公司 Method and system for detecting automatic white balance regulating performance of lens
CN105118408A (en) * 2015-08-19 2015-12-02 深圳Tcl新技术有限公司 Method, device, and system for adjusting white balance of display device
CN105704467A (en) * 2016-01-22 2016-06-22 贵阳海信电子有限公司 White balance adjustment method and device for large-screen LCM image
CN107659811A (en) * 2017-11-10 2018-02-02 微鲸科技有限公司 White balance calibration methods, devices and systems
CN109308861A (en) * 2017-07-26 2019-02-05 北京小米移动软件有限公司 Color calibration method, device, equipment and storage medium
CN109872704A (en) * 2017-12-04 2019-06-11 天津三星电子有限公司 A kind of display image quality calibration method and device
CN112291556A (en) * 2020-10-10 2021-01-29 深圳市金锐显数码科技有限公司 Color temperature debugging method and device, terminal equipment and readable storage medium
CN113035118A (en) * 2021-03-17 2021-06-25 福建捷联电子有限公司 Method for correcting color temperature and brightness consistency of multiple display screens
CN115002436A (en) * 2021-03-02 2022-09-02 广州视源电子科技股份有限公司 White balance adjusting method, system, device and storage medium

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* Cited by examiner, † Cited by third party
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CN105118408A (en) * 2015-08-19 2015-12-02 深圳Tcl新技术有限公司 Method, device, and system for adjusting white balance of display device
WO2017028590A1 (en) * 2015-08-19 2017-02-23 深圳Tcl新技术有限公司 Method, device and system for adjusting white balance of display device
CN105100765B (en) * 2015-09-07 2017-05-10 歌尔股份有限公司 Method and system for detecting automatic white balance regulating performance of lens
CN105100765A (en) * 2015-09-07 2015-11-25 歌尔声学股份有限公司 Method and system for detecting automatic white balance regulating performance of lens
CN105704467A (en) * 2016-01-22 2016-06-22 贵阳海信电子有限公司 White balance adjustment method and device for large-screen LCM image
CN105704467B (en) * 2016-01-22 2017-06-23 贵阳海信电子有限公司 A kind of white balance adjustment method and device for large-size screen monitors LCM images
CN109308861A (en) * 2017-07-26 2019-02-05 北京小米移动软件有限公司 Color calibration method, device, equipment and storage medium
CN107659811A (en) * 2017-11-10 2018-02-02 微鲸科技有限公司 White balance calibration methods, devices and systems
CN107659811B (en) * 2017-11-10 2019-07-12 微鲸科技有限公司 White balance calibration methods, devices and systems
CN109872704A (en) * 2017-12-04 2019-06-11 天津三星电子有限公司 A kind of display image quality calibration method and device
CN112291556A (en) * 2020-10-10 2021-01-29 深圳市金锐显数码科技有限公司 Color temperature debugging method and device, terminal equipment and readable storage medium
CN112291556B (en) * 2020-10-10 2022-10-18 深圳市金锐显数码科技有限公司 Color temperature debugging method and device, terminal equipment and readable storage medium
CN115002436A (en) * 2021-03-02 2022-09-02 广州视源电子科技股份有限公司 White balance adjusting method, system, device and storage medium
CN113035118A (en) * 2021-03-17 2021-06-25 福建捷联电子有限公司 Method for correcting color temperature and brightness consistency of multiple display screens

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