High-Resolution Analysis of Optical and Physical Dot Gain

Details

Document ID: 
100399
Author(s): 
Mahziar Namedanian and Sasan Gooran
Year: 
2010
Pages: 
10

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Abstract

The printed dots appear bigger than the dots in the original digital bitmap. This is partly because of the spreading and penetrating of the ink on and in the paper, called physical dot gain, and partly because of the diffusion of the light in paper, which is referred to as optical dot gain. Dot gain is often approximated by measurements obtained by densitometer or spectrophotometer. In this study we use a very high-resolution scanner with a resolution of 2?m/pixel and with a field of view of 2.7

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