In printing, the most important thing is to grasp the color. Today professionals will share with you the color space management of color conversion. First, color conversion refers to the mapping relationship between different colors in different colors according to different colors. In a color space under known conditions. Since the color gamut of the output device is generally smaller than the color gamut of the original, scanner, and display, the color gamut of the original must be compressed into the color gamut of the output device. Color management software can convert colors from one space to another gamut space, such as from a scanner to a monitor, and from a monitor to a printer. Color conversion can also simulate the color rendering of another device on one device, such as printing proofs on a display.
Color conversion can be used to correct the image manually or automatically through the color management file. Shanghai Printing Company converts the RGB color space of the scanner to the CMYK color space of the printer, and from the RGB color space of the scanner to the RGB color space of the display. There is no corresponding mapping relationship between different color spaces. The color range of the RGB color space of the display is much larger than the color range of the CMYK color space of the printer, and this mapping relationship is also affected by the characteristics and environment of the phosphor of the display Influence of the color rendering characteristics of ink, paper, etc. during light and printing. Therefore, this mapping relationship is premised on the minimum loss of color information.
It is generally used to continuously adjust the color conversion of photos. It basically maintains the relative relationship of the original color change distribution. Shanghai Printing makes the brightest part of the image as a screen area when printing, the darkest part is the field when printing, and other levels are Proportionally distributed between these two values. Colorimetric rendering is the most effective for color blocks and can maintain absolute color matching. If the color before the color space conversion is in the converted color space, the color remains unchanged; if the color before the color space conversion is outside the converted color space, the closest color is substituted, as shown in the map. Color etc. The advertising method is suitable for bright and highly saturated pictures. This color space conversion method is mostly used in commercial advertising production. It can produce pure and saturated colors within the scope of printing equipment. The converted colors are not limited to the conditions before conversion. Instead of pursuing color matching between printing equipment, the emphasis is on a clear and exaggerated publicity effect.
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