How to solve scanner color cast

Because the pictures scanned by the scanner need to be browsed on the monitor to determine the correctness of the color, whether the monitor is the first step to ensure the true color of the image in a standard working environment requires you to confirm whether your monitor has been professionally corrected , If not calibrated, please click the single monitor calibration.

After the monitor is calibrated, the colors that the monitor can display are within the range of comparative standards and specifications. If you want to ensure that the scanned image looks the same as the actual color on the monitor, you also need to make a special ICC file for the scanner.

The scanner ICC file is also called the scanner color space description file. It can accurately describe what kind of visual color the RGB data signal captured and converted by the current scanner CCD photosensitive reflects, and can accurately express the light during scanning. , Photosensitive and other effects.

Scanner ICC production and usage are relatively simple. The basic process is that you purchase an IT8-7 / 2 color card or HCT color card, then scan the color card as required, and import the scanned image into an ICC production software. Compared with the original standard data of the color card in the production software, the ICC file of the scanner can be generated.

IT8.7 / 2 color card
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HCT color card
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It should be noted that after using the scanner for a period of time, the lamp tube will decay and aging, and the color accuracy will decline. At this time, the scanner ICC file needs to be made again, and it is best to make the scanner ICC every month.

Software for digital camera icc-ProfileMaker
Software for digital camera icc-ProfileMaker
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Some scanner ICC files can be placed in the scanning software and loaded (in the color management of the scanning software), but most small and medium platform scanners do not have this feature. This ICC needs to be used when specifying the configuration file (ICC file) for the image in Photoshop.

The specific method is: the computer opens a scanned image, and then calls the Photoshop "specify as a configuration file" command, the configuration file is designated as the ICC file you made, it will be intuitive to find that the color has become accurate.


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The ICC file of the scanner can save a lot of time for manual adjustment and modification of image color for photography and design.

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