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In terms of color communication, each country has a color system that they have developed, such as Munsell's color system in the United States, Ostwald in Germany, and Japan's color research system, which have caused color communication difficulties due to different standards in different countries. In the naming of colors, it is necessary to unify them. The color matching also needs attention, and it needs a coordination and consistency. In addition to the commonly used densitometers and colorimeters in the human eye's auxiliary quality control tool, there is also a spectrophotometer that can measure the characteristics of luminous objects. He can calibrate the screen, or measure the standard color wheel, etc. inside it. There is a laser ball, he can take the spectral curve of the color ticket, but because of its higher selling price, it is less suitable for use by Taiwanese printing plants. The use of digital cameras is becoming more and more common. However, due to the individual differences of each digital camera, in order to correct each digital camera, scientists use "digital swatches" to create a dedicated profile for digital cameras, correct the camera and Differences in human eye RGB signals.
After the screen is calibrated and characterized, an ICC profile can also be generated, but there must be a prerequisite that you must have a colorimeter as a quality control tool to assist the human eye. When we do screen color comparison, we must reduce the impact of surrounding light sources, turn off all light sources, and make adjustments in a completely dark environment to avoid affecting the accuracy of screen correction. The prevalence of the Internet has caused people to be different. In order to achieve such a goal, the remote screen must be calibrated to the same realm in order to achieve the purpose of CMS color management.
Color printing technology
People's eyes often cause errors in the judgment of the eyes because of the influence of some surrounding environment. Therefore, we must use some tools of quality control to assist us in judging colors and establish standards for quality control.