Display color cast correction method, device and system
A correction method and color cast technology, which is applied in the field of display color cast correction system, can solve unrealistic, unconsidered color cast compensation and other problems, and achieve the effect of color cast compensation
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no. 1 example
[0037] see figure 1 A display color cast correction method provided by an embodiment of the present invention, for example, includes the following steps S11, S12, S13, S14, S15 and S16.
[0038] S11: Generate at least one reference measurement data set and multiple measurement data sets to be corrected, wherein each of the reference measurement data sets contains at least one reference current amplitude, and each of the to-be-corrected measurement data sets contains at least A current amplitude to be corrected;
[0039] S12: Control the target display device to display at least one reference image group based on the at least one reference measurement data group;
[0040] S13: Control the target acquisition device to perform image data acquisition on the at least one reference image group to obtain at least one reference brightness and chrominance data group;
[0041] S14: Control the target display device to display a plurality of image groups to be corrected based on the pl...
Embodiment approach 1
[0047] This embodiment is a color cast correction method under mixed modulation. Mixed modulation is defined as the coexistence of PWM signal and current PAM signal. During the PAM modulation process, the current amplitude will change, and the spectral characteristics of the LED will change, which will cause color Therefore, color cast correction is required. The concrete steps of this embodiment are as follows:
[0048] see figure 1 , figure 2 and Figure 4 , first step S10 may be executed by the calibration computer 100: acquiring a set of pulse width modulation values, a reference current amplitude, and a set of current amplitudes to be corrected. For example, the set of pulse width modulation values (or PWM values) is a single PWM value such as 65535, the reference current amplitude (or reference current PAM value) is such as 255, and the set of current amplitudes to be corrected Contains multiple current amplitudes to be corrected (or current PAM values to be cor...
Embodiment approach 2
[0064] This embodiment is another color cast correction method under mixed modulation, and the specific steps are as follows:
[0065] see figure 1 , figure 2 and Figure 4 , first step S10 may be executed by the calibration computer 100: acquiring a set of pulse width modulation values, a reference current amplitude, and a set of current amplitudes to be corrected. For example, the set of pulse width modulation values (or called PWM values) includes a plurality of PWM values such as 0, 256, 512, 768, ..., 65280 and other 256 PWM values; the reference current amplitude (or called reference Current PAM value) is, for example, 255, and the set of current amplitude values to be corrected includes a plurality of current amplitude values to be corrected (or called current PAM values to be corrected), such as 0, 1, 2, 3, ..., 255; thus , PWM+PAM mixed color cast correction under multiple different PWM values and different current PAM values to be corrected can be r...
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