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Our Soft Proofing actually adjusts the monitor to a certain standard, then displays the ICC Profile of the monitor, and finally adds the ICC Profile to run the CMS with different printing processes. This results in Soft Proofing. Therefore, the setting of the display should be fixed and should not be changed with different printing processes or digital cameras under different lighting. The above-mentioned display standard is mainly the color temperature and the gamma value of the entire display system.


A better quality display should allow the user to adjust the color temperature in hardware, and even adjust the individual intensity of each channel in RGB. However, if the monitor in use does not provide color temperature tuning, we will rely on the LUT mentioned above to adjust the color temperature. Take a look at the following example. A hardware 9300K (bluish) monitor is calibrated to 5000K (reddish). The additional monitor tuning system uses the blue output of the white bits in the LUT (RGB is 255 output). Decreased. As a result, in the case of the Blue Channel, when the input is 255, the green output is only 235 at most, and the blue color is only 219 at most. As a result, the green and blue colors are reduced and the display is reddish to a predetermined color temperature. Undoubtedly, the color temperature is reached, but the amount of green and blue that can be output is reduced, the overall light quantity and color are also reduced by 21% and 6%, the color gamut is reduced, and the appearance of banding is more likely to occur.
On the other hand, monitors with a built-in calibration system, such as the Barco Calibrator series, can adjust the color temperature while controlling the energy of the electron gun in the monitor, instead of forcing the LUT to reduce the output of certain channels. When the LUT input is 255, the output is also 255. The overall light quantity and color will not be reduced, the color gamut will also be larger, and the situation of starting grade will be reduced accordingly.

(To be continued)

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