The impact of images to printing quality
http://www.cutcnccam.com/article-show-20111221928554.shtml
The most basic job of printing is the copy of color, the color often expressed by pictures. Change the color information into can stored and passed into editable digital signal, and then by image processing software, publishing software and other applications for these digital signal processing. Therefore, the ability of high-quality and accurate image reproduction, that is to retain as much as possible on the original tone, levels, contrast and saturation, and other information, is a measure of image quality basic standards.
Image quality evaluation:
① The accurate calibration of the original is the ability to restore the original real basis.
② tone the whole picture of the hierarchy, full tone can make the picture complete, which is due in the most dark and light and very easy to lose the most level.
③ When the original level of rich, strong contrast, saturation, in time as long as accurately as possible to restore the original level, contrast and saturation on it.
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