Color separation work with a color scanner usually requires experience and knowledge acquired over many years, Therefore, the shortage of skilled operators has caused a problem. In addition, productivity cannot be increased because of taking time for handling a traditional scanner. For these reasons, we have developed a color scanner Fujix LuxScan 4500 which has realized ease of operation and high productivity by flatbed-type scanner using CCD line sensors as image reading devices and user-friendly interface. In this paper, we describe a high accuracy CCD compensation method, a color processing method satisfing a color scanner function and an auto set-up algorithm which sets set-up parameters automatically by analyzing a color original.
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