CN104575344A - Screen quality detecting method and system based on brightness colorimeter - Google Patents
Screen quality detecting method and system based on brightness colorimeter Download PDFInfo
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- CN104575344A CN104575344A CN201510009295.3A CN201510009295A CN104575344A CN 104575344 A CN104575344 A CN 104575344A CN 201510009295 A CN201510009295 A CN 201510009295A CN 104575344 A CN104575344 A CN 104575344A
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Abstract
The invention discloses a screen quality detecting method and system based on a brightness colorimeter. The screen quality detecting system comprises a five-axis measuring machine table, the brightness colorimeter and a terminal device connected with the brightness colorimeter. The brightness colorimeter is used for measuring a screen which is placed on the five-axis measuring machine table and to be detected to obtain brightness measurement data and color measurement data and transmitting the brightness measurement data and the color measurement data to the terminal device. The terminal device is used for comparing the brightness measurement data and the color measurement data with prestored standard brightness measurement data and prestored standard color measurement data and quantifying the display quality of the screen to be detected according to a comparison result to obtain a quality detection result, which can embody the comprehensive performance in brightness and color displaying aspects, of the screen to be detected. The screen quality detecting system based on the brightness colorimeter has the outstanding advantages of being low in cost and easy to use and popularize, and the credibility of the quality detection result of the screen is high.
Description
Technical field
The present invention relates to screen quality detection technique field, more particularly, relate to a kind of screen quality detection method based on YC meter and screen quality detection system.
Background technology
Along with the fast development of LCD screen production technology, emerge the smart machine (such as smart mobile phone, panel computer) of the tinkling of jades different size met the eye on every side on the market.For consumers, on the one hand, the screen quality quality distinguishing smart machine is difficult to only by naked eyes sense organ mode, on the other hand, because third party's screen detection system testing cost is expensive, screen testing cost is high, and it is unrealistic that consumer carries out detection by means of third party's screen detection system to device screen.Nowadays, smart machine in various electronic product sales field sell fiery while, consumer spends to joining the electronic product of inferior screen and the phenomenon of knowing nothing happens occasionally.
Just because of this, how to develop a kind of for To enterprises user or consumer, the reliable screen quality detection system of with low cost, screen testing result becomes problem demanding prompt solution.
Summary of the invention
The technical problem to be solved in the present invention is, for above-mentioned defect of the prior art, provides a kind of screen quality detection method based on YC meter and screen quality detection system.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of screen quality detection method based on YC meter, described method comprises the steps:
S1, YC meter are measured the screen to be measured being positioned over five axles measurement boards, obtain brightness measurement data and colour measurement data, and these brightness measurement data and colour measurement data are sent to the terminal device on backstage;
These brightness measurement data and this colour measurement data compare with the Benchmark brightness data prestored and reference color degrees of data by S2, terminal device, according to comparative result, screen display quality to be measured is quantized, obtain the screen quality testing result to be measured that can reflect the general performance of screen to be measured in brightness and color displays.
State on the invention in the screen quality detection method based on YC meter, also comprised the steps: before described step S1
S0, the Benchmark brightness data and reference color degrees of data that are used for weighing LCD screen display quality are pre-stored in terminal device.
State on the invention in the screen quality detection method based on YC meter, also comprise the steps: between described step S0 and described step S1
S01, the functional parameter setting YC meter, mode of operation and detection angles;
The detection angles that S02, terminal device foundation sets sends driving instruction to the motion control card of 5-axis movement controller, driven by the motor of motion control card to 5-axis movement controller, to adjust the orientation of YC relative to screen to be measured, until the angle between YC meter and screen to be measured reaches the detection angles of setting;
S03, YC meter start and receive calibration command, enter mensuration state after being finished by calibration operation.
State in the screen quality detection method based on YC meter on the invention, described step S1 also comprises: as YC meter is set as local mode, then YC meter 200 passes through brightness measurement data and the colour measurement data of the screen to be measured of the first display screen display measurement; As YC meter is set as remote mode, then the brightness measurement data of measurement and colour measurement data are sent to the terminal device of far-end by YC meter.
State in the screen quality detection method based on YC meter on the invention, these brightness measurement data and this colour measurement data compare with the Benchmark brightness data prestored and reference color degrees of data by terminal device described in described step S2, quantize screen display quality to be measured according to comparative result, the step obtaining the screen quality testing result to be measured that can reflect the general performance of screen to be measured in brightness and color displays comprises:
When S21, terminal device receive from the brightness measurement data of YC meter and colour measurement data, from memory module, reading the Benchmark brightness data for weighing LCD screen display quality and reference color degrees of data, these brightness measurement data and this colour measurement data and this Benchmark brightness data and reference color degrees of data being compared respectively;
Terminal device judges that whether these brightness measurement data are lower than Benchmark brightness data; As terminal device judges that these brightness measurement data are not less than Benchmark brightness data, then calculate the luminance difference of these brightness measurement data and these Benchmark brightness data, according to this luminance difference, the performance of screen to be measured in brightness display is quantized, generate luminance weights value; As terminal device judges that these brightness measurement data are lower than Benchmark brightness data, then judge that the brightness of screen to be measured does not reach the requirement of screen intensity display benchmark, screen to be measured is attributed to substandard product;
Terminal device calculates the aberration between these colour measurement data and this reference color degrees of data, and judges whether this aberration exceeds the aberration scope of permission; As this aberration does not exceed the aberration scope of permission, then according to this aberration, the performance of screen to be measured in color displays is quantized, generate colourity weighted value; As terminal device judges that this aberration exceeds the aberration scope of permission, then judge that screen to be measured does not reach the benchmark requirement of screen color display in colourity, screen to be measured is attributed to substandard product.
State on the invention in the screen quality detection method based on YC meter, also comprise the steps: after described step S21
S22, luminance weights value and colourity weighted value are weighted average computation, to quantize Showing Effectiveness On Screen general performance to be measured, obtain the screen quality testing result to be measured that can reflect the general performance of screen to be measured in brightness and color displays.
The present invention also constructs a kind of screen quality detection system based on YC meter, and described screen quality detection system comprises five axles and measures board, is positioned at the YC meter that described five axles measure board upper area and the terminal device be electrically connected with described YC meter;
The screen to be measured that described YC meter is used for being positioned over described five axles measurement boards is measured, and obtains brightness measurement data and colour measurement data, and these brightness measurement data and colour measurement data are sent to described terminal device;
Described terminal device is used for these brightness measurement data and this colour measurement data to compare with the Benchmark brightness data prestored and reference color degrees of data, according to comparative result, screen display quality to be measured is quantized, obtain the screen quality testing result to be measured that can reflect the general performance of screen to be measured in brightness and color displays.
State in the screen quality detection system based on YC meter on the invention, described YC meter comprises parameter setting module for providing YC meter functional parameter to arrange, for calculating based on this picture signal and generating the first processing module of colour measurement data and brightness measurement data, for these brightness measurement data and colour measurement data being sent to the first communication module of described terminal device and being used for showing the first display screen of these colour measurement data and brightness measurement data.
State in the screen quality detection system based on YC meter on the invention, described system also comprises and is arranged at described five axles and measures boards and connect the 5-axis movement controller of described terminal device, and described 5-axis movement controller comprises motion control card and stepper motor;
Described 5-axis movement controller is used for the driving instruction being received described terminal device by described motion control card, platform lifting is measured, until the angle between described YC meter and screen to be measured reaches the detection angles of setting by five axles described in described driving stepper motor.
State in the screen quality detection system based on YC meter on the invention, described terminal device comprises second communication module, the second processing module and the second memory module;
Described second communication module is for receiving brightness measurement data from described YC meter and colour measurement data;
Described second memory module is for storing the Benchmark brightness data and reference color degrees of data that can weigh LCD screen display quality;
Described second processing module is used for the Benchmark brightness data stored in these brightness measurement data and this colour measurement data and described second memory module and reference color degrees of data to compare respectively, generate luminance weights value and colourity weighted value, luminance weights value and colourity weighted value are weighted average computation, to quantize screen display quality to be measured, obtain the screen quality testing result to be measured that can reflect the general performance of screen to be measured in brightness and color displays.
Implement the screen quality detection method and the screen quality detection system that the present invention is based on YC meter, there is following beneficial effect:
1, the full-automation that the screen quality detection system that the present invention is based on YC meter achieves for the screen of intelligent device quality of different screen size detects.
2, in the screen quality detection system that the present invention is based on YC meter, the colour measurement data that terminal device 300 provides based on YC meter and brightness measurement data also combine the primary standard of color data that prestore and luminance reference data carry out Comprehensive Assessment to the performance of screen to be measured in color and brightness display, obtain the screen quality testing result that can fully demonstrate the general performance of screen to be measured in brightness and color, implement the present invention and can obtain the high screen of intelligent device quality measurements of accuracy rate, screen quality testing result is with a high credibility.
3, the screen quality detection system that the present invention is based on YC meter is made up of five axles measurement board, chroma luminance meter motion controller and terminal devices, this system architecture is comparatively simple, and device cost is low, compare third party's screen testing agency, screen quality detection system of the present invention have with low cost, be easy to the advantage promoted the use of.
4, screen detection system of the present invention is equipped with five axles to measure board and 5-axis movement controller, by motion controller, relative to the detection angles of screen to be measured, free adjustment is carried out to YC meter, therefore the present invention is very flexible for the adjustment mode of screen detection angles to be measured.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the screen quality detection system based on YC meter that present pre-ferred embodiments provides;
Fig. 2 is the structured flowchart of the structure YC meter of the screen quality detection system based on YC meter shown in Fig. 1;
Fig. 3 is the structured flowchart of the terminal device of the screen quality detection system based on YC meter shown in Fig. 1;
Fig. 4 is the process flow diagram of the screen quality detection method based on YC meter that present pre-ferred embodiments provides.
Embodiment
In order to solve third party's screen testing agency expensive in prior art, user often tentatively can only distinguish with the screen quality of naked eyes to smart machine, the defect that the situation that user has dust thrown into the eyes in smart machine purchasing process happens occasionally, main innovate point of the present invention is:
1, by YC meter 200, the performance of screen 100 to be measured in color and brightness is detected, the colour measurement data that terminal device 300 provides based on YC meter 200 and brightness measurement data, luminance weights value and the colourity weighted value of screen 100 to be measured is calculated in conjunction with the primary standard of color data prestored and luminance reference data, and by luminance weights value and the average weighted mode of colourity weighted value are carried out quantum chemical method to the general performance of screen 100 to be measured in brightness and color, draw the screen quality testing result that accuracy rate is high;
The primary standard of color data that prestore also are combined and luminance reference data carry out the design of Comprehensive Assessment to the performance of screen 100 to be measured in color and brightness display owing to present invention employs the colour measurement data that provided based on YC meter 200 by terminal device 300 and brightness measurement data, so solve third party's screen testing agency expensive in prior art, user often tentatively can only distinguish with the screen quality of naked eyes to smart machine, the technical matters that the situation that user has dust thrown into the eyes in smart machine purchasing process happens occasionally, reach following beneficial effect:
1, the full-automation that the screen quality detection system that the present invention is based on YC meter achieves for the screen of intelligent device quality of different screen size detects.
2, in the screen quality detection system that the present invention is based on YC meter, the colour measurement data that terminal device 300 provides based on YC meter 200 and brightness measurement data also combine the primary standard of color data that prestore and luminance reference data carry out Comprehensive Assessment to the performance of screen 100 to be measured in color and brightness display, obtain the screen quality testing result that can fully demonstrate the general performance of screen 100 to be measured in brightness and color, implement the present invention and can obtain the high screen of intelligent device quality measurements of accuracy rate, screen quality testing result is with a high credibility.
3, the screen quality detection system that the present invention is based on YC meter is made up of five axles measurement board 500, chroma luminance meter motion controller 400 and terminal devices 300, this system architecture is comparatively simple, and device cost is low, compare third party's screen testing agency, screen quality detection system of the present invention has advantage that is with low cost, that easily promote the use of.
4, screen detection system of the present invention is equipped with five axles to measure board 500 and 5-axis movement controller 400, carry out free adjustment by motion controller 400 pairs of YC meters 200 relative to the detection angles of screen 100 to be measured, therefore the present invention is very flexible for the adjustment mode of screen detection angles to be measured.
In order to make object of the present invention 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.
Below will for first better embodiment of the present invention, the framework of composition graphs 1 to Fig. 3 to the screen quality detection system that the present invention is based on YC meter is described:
As shown in Figure 1, screen quality detection system five axles comprised for placing screen 100 to be measured that the present invention is based on YC meter are measured board 500, are positioned at the YC meter 200 that five axles measure board 500 upper area and the terminal device 300 be electrically connected with YC meter 200.
This YC meter 200 is for measuring the screen to be measured 100 being positioned over five axles measurement boards 500, obtain brightness measurement data and the colour measurement data for reflecting screen display quality to be measured, and these brightness measurement data and colour measurement data are sent to terminal device 300;
This terminal device 300 for these brightness measurement data and this colour measurement data are compared to carry out comprehensive assessment to screen display quality to be measured with the Benchmark brightness data prestored and reference color degrees of data, and generates screen 100 quality synthesis evaluation result to be measured.
As shown in Figure 2, the YC meter 200 of the present invention parameter setting module 203, camera lens module 205, first communication module 202 and the first display screen 204 that comprise the first processing module 201, be electrically connected respectively with the first processing module 201.
This parameter setting module 203 is for providing the various functional parameters of YC meter 200 to arrange and the setting of mode of operation for user.
This camera lens module 205 is positioned over for obtaining the picture signal that five axles measure the screen to be measured 100 on board 500.
This first processing module 201 is for generating brightness measurement data and the colour measurement data for reflecting screen display quality to be measured based on this picture signal.
This first display screen 204 is for showing above-mentioned brightness measurement data and colour measurement data.
This first communication module 202 is for being sent to terminal device 300 by these brightness measurement data and this colour measurement data.In the present invention, YC meter 200 connects terminal device 300 by USB interface or RS-232C delivery port.
First processing module 201 can be existing MCU (Micro Control Unit) or DSP (DigitalSignal Processor).
As shown in Figure 3, the screen quality detection system that the present invention is based on YC meter also comprises and is arranged on five axles and measures boards 500 and connect the 5-axis movement controller 400 of terminal device 300.This 5-axis movement controller 400 comprises motion control card and stepper motor.This terminal device 300 comprises the second processing module 302, connects the second communication module 301 of the second processing module 302, memory module 304 and second display screen 303.
Wherein, these colour measurement data and brightness measurement data for receiving colour measurement data from YC meter 200 and brightness measurement data, and are inputted this second processing module 302 by second communication module 301.
When this second processing module 302 will be for receiving these colour measurement data and brightness measurement data, read the primary standard of color data and luminance reference data that prestore in memory module 304, these colour measurement data and brightness measurement data and primary standard of color data and luminance reference data are compared respectively, generate colourity weighted value and luminance weights value, and in conjunction with colourity weighted value and luminance weights value, Comprehensive Assessment is carried out to screen display quality to be measured, generate screen 100 quality assessment results to be measured.
This second display screen 303 is for showing the screen to be measured 100 quality comprehensive test result generated by this second processing module 302.
In the present invention, this terminal device 300 can be existing computing machine.This second processing module 302 can be the CPU of existing computing machine.
Below will for second better embodiment of the present invention, composition graphs 4 is described the screen quality detection method that the present invention is based on YC meter:
As shown in Figure 4, in step S101, the reference color degrees of data and Benchmark brightness data that are used for weighing screen display quality are stored in the memory module 304 of terminal device 300 by screen quality testing staff in advance.
In step s 102, screen quality testing staff is arranged the various functional parameters of YC meter 200, mode of operation and detection angles.
In step s 103,5-axis movement controller 400 is by the driving instruction of motion control card receiving terminal apparatus 300, stepper motor is driven, control five axles measurement boards 500 to be elevated or to move horizontally, in this, position being positioned over the YC 200 that five axles are measured on board 500 is adjusted, make YC meter 200 reach the detection angles of setting relative to the angle of screen 100 to be measured.
In step S104, the first processing module 201 judges the mode of operation set by YC meter 200, and mode of operation performs corresponding operating residing for YC meter 200.As YC meter 200 is set to local mode, then perform step S105; As YC meter 200 is set to remote mode, then perform step S106.
In step S105, by the brightness measurement data measured, (brill is cd/m to the first processing module 201
2) and colour measurement data (showing as chromaticity coordinates X, Y) be sent to the first display screen 204 and show.
In step s 106, the brightness measurement data measured and colour measurement data are sent to terminal device 300 by first communication module 202 by the first processing module 201.
In step s 107, second communication module 301 receives these brightness measurement data and this colour measurement data, and these brightness measurement data and this colour measurement data are inputted the second processing module 302.When this second processing module 302 receives these brightness measurement data and this colour measurement data, Benchmark brightness data and reference color degrees of data is read from memory module 304, these brightness measurement data and this colour measurement data and Benchmark brightness data and reference color degrees of data are compared respectively, according to comparative result, Comprehensive Assessment is carried out to screen display quality to be measured, obtain screen 100 quality assessment results to be measured.
The process that the present invention carries out Comprehensive Assessment by terminal device 300 to screen 100 quality to be measured is as follows:
By the first processing module 201, terminal device 300 judges that whether these brightness measurement data are lower than Benchmark brightness data.As terminal device 300 judges that these brightness measurement data are not less than Benchmark brightness data, then calculate the luminance difference between these brightness measurement data and this Benchmark brightness data, according to this luminance difference, the performance of screen 100 to be measured in brightness display is evaluated, generate luminance weights value; As terminal device 300 judges that these brightness measurement data are lower than Benchmark brightness data, then judge that the brightness of screen 100 to be measured does not reach the requirement of screen intensity display benchmark, screen 100 to be measured is attributed to substandard product;
Terminal device 300 also calculates the aberration between these colour measurement data and this reference color degrees of data by the first processing module 201, and judges whether this aberration exceeds the aberration scope of permission.As this aberration does not exceed the aberration scope of permission, then according to this aberration, the performance of screen 100 to be measured in color displays is evaluated, generate colourity weighted value.As terminal device 300 judges that this aberration exceeds the aberration scope of permission, then judge that screen 100 to be measured does not reach the benchmark requirement of screen color display in colourity, screen 100 to be measured is attributed to substandard product.
Terminal device 300 is weighted average computation to this luminance weights value and this colourity weighted value, to quantize the display quality of screen 100 to be measured, obtain the screen quality testing result to be measured that fully can reflect the general performance of screen to be measured in brightness and color displays, and show screen quality testing result to be measured by second display screen 303.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. based on a screen quality detection method for YC meter, it is characterized in that, described method comprises the steps:
S1, YC meter are measured the screen to be measured being positioned over five axles measurement boards, obtain brightness measurement data and colour measurement data, and these brightness measurement data and colour measurement data are sent to the terminal device on backstage;
These brightness measurement data and this colour measurement data compare with the Benchmark brightness data prestored and reference color degrees of data by S2, terminal device, according to comparative result, screen display quality to be measured is quantized, obtain the screen quality testing result to be measured that can reflect the general performance of screen to be measured in brightness and color displays.
2. the screen quality detection method based on YC meter according to claim 1, is characterized in that, also comprised the steps: before described step S1
S0, the Benchmark brightness data and reference color degrees of data that are used for weighing LCD screen display quality are pre-stored in terminal device.
3. the screen quality detection method based on YC meter according to claim 1, is characterized in that, also comprise the steps: between described step S0 and described step S1
S01, the functional parameter setting YC meter, mode of operation and detection angles;
The detection angles that S02, terminal device foundation sets sends driving instruction to the motion control card of 5-axis movement controller, driven by the motor of motion control card to 5-axis movement controller, to adjust the orientation of YC relative to screen to be measured, until the angle between YC meter and screen to be measured reaches the detection angles of setting;
S03, YC meter start and receive calibration command, enter mensuration state after being finished by calibration operation.
4. the screen quality detection method based on YC meter according to claim 1, it is characterized in that, described step S1 also comprises: as YC meter is set as local mode, then YC meter 200 passes through brightness measurement data and the colour measurement data of the screen to be measured of the first display screen display measurement; As YC meter is set as remote mode, then the brightness measurement data of measurement and colour measurement data are sent to the terminal device of far-end by YC meter.
5. the screen quality detection method based on YC meter according to claim 1, it is characterized in that, these brightness measurement data and this colour measurement data compare with the Benchmark brightness data prestored and reference color degrees of data by terminal device described in described step S2, quantize screen display quality to be measured according to comparative result, the step obtaining the screen quality testing result to be measured that can reflect the general performance of screen to be measured in brightness and color displays comprises:
When S21, terminal device receive from the brightness measurement data of YC meter and colour measurement data, from memory module, reading the Benchmark brightness data for weighing LCD screen display quality and reference color degrees of data, these brightness measurement data and this colour measurement data and this Benchmark brightness data and reference color degrees of data being compared respectively;
Terminal device judges that whether these brightness measurement data are lower than Benchmark brightness data; As terminal device judges that these brightness measurement data are not less than Benchmark brightness data, then calculate the luminance difference of these brightness measurement data and these Benchmark brightness data, according to this luminance difference, the performance of screen to be measured in brightness display is quantized, generate luminance weights value; As terminal device judges that these brightness measurement data are lower than Benchmark brightness data, then judge that the brightness of screen to be measured does not reach the requirement of screen intensity display benchmark, screen to be measured is attributed to substandard product;
Terminal device calculates the aberration between these colour measurement data and this reference color degrees of data, and judges whether this aberration exceeds the aberration scope of permission; As this aberration does not exceed the aberration scope of permission, then according to this aberration, the performance of screen to be measured in color displays is quantized, generate colourity weighted value; As terminal device judges that this aberration exceeds the aberration scope of permission, then judge that screen to be measured does not reach the benchmark requirement of screen color display in colourity, screen to be measured is attributed to substandard product.
6. the screen quality detection method based on YC meter according to claim 5, is characterized in that, also comprise the steps: after described step S21
S22, luminance weights value and colourity weighted value are weighted average computation, to quantize Showing Effectiveness On Screen general performance to be measured, obtain the screen quality testing result to be measured that can reflect the general performance of screen to be measured in brightness and color displays.
7. the screen quality detection system based on YC meter, it is characterized in that, described screen quality detection system comprises five axles and measures board, is positioned at the YC meter that described five axles measure board upper area and the terminal device be electrically connected with described YC meter;
The screen to be measured that described YC meter is used for being positioned over described five axles measurement boards is measured, and obtains brightness measurement data and colour measurement data, and these brightness measurement data and colour measurement data are sent to described terminal device;
Described terminal device is used for these brightness measurement data and this colour measurement data to compare with the Benchmark brightness data prestored and reference color degrees of data, according to comparative result, screen display quality to be measured is quantized, obtain the screen quality testing result to be measured that can reflect the general performance of screen to be measured in brightness and color displays.
8. the screen quality detection system based on YC meter according to claim 7, it is characterized in that, described YC meter comprises parameter setting module for providing YC meter functional parameter to arrange, for calculating based on this picture signal and generating the first processing module of colour measurement data and brightness measurement data, for these brightness measurement data and colour measurement data being sent to the first communication module of described terminal device and being used for showing the first display screen of these colour measurement data and brightness measurement data.
9. the screen quality detection system based on YC meter according to claim 8, it is characterized in that, described system also comprises and is arranged at described five axles and measures boards and connect the 5-axis movement controller of described terminal device, and described 5-axis movement controller comprises motion control card and stepper motor;
Described 5-axis movement controller is used for the driving instruction being received described terminal device by described motion control card, platform lifting is measured, until the angle between described YC meter and screen to be measured reaches the detection angles of setting by five axles described in described driving stepper motor.
10. the screen quality detection system based on YC meter according to claim 9, is characterized in that, described terminal device comprises second communication module, the second processing module and the second memory module;
Described second communication module is for receiving brightness measurement data from described YC meter and colour measurement data;
Described second memory module is for storing the Benchmark brightness data and reference color degrees of data that can weigh LCD screen display quality;
Described second processing module is used for the Benchmark brightness data stored in these brightness measurement data and this colour measurement data and described second memory module and reference color degrees of data to compare respectively, generate luminance weights value and colourity weighted value, luminance weights value and colourity weighted value are weighted average computation, to quantize screen display quality to be measured, obtain the screen quality testing result to be measured that can reflect the general performance of screen to be measured in brightness and color displays.
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| CN112185317A (en) * | 2020-08-17 | 2021-01-05 | 深圳市广和通无线股份有限公司 | Color calibration method, device, computer equipment and storage medium |
| CN113884187A (en) * | 2021-10-28 | 2022-01-04 | 深圳闪回科技有限公司 | Screen detection method based on color difference value calculation |
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