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Proceedings Paper

Evaluation of digital halftones image by vector error diffusion
Author(s): Masahiro Kouzaki; Tetsuya Itoh; Takayuki Kawaguchi; Norimichi Tsumura; Hideaki Haneishi; Yoichi Miyake
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Paper Abstract

The vector error diffusion (VED) method is applied to proudce the digital halftone images by an electrophotographic printer with 600 dpi. Objective image quality of those obtained images is evaluated and analyzed. As a result, in the color reproduction of halftone image by the VED method, it was clear that there are large color difference between target color and printed color typically in the mid-tone colors. We consider it is due to the printer properties including dot-gain. It was also clear that the color noise of the VED method is larger compared with that of the conventional scalar error diffusion method in some patches. It was remarkable that ununiform patterns are generated by the VED method.

Paper Details

Date Published: 22 December 1998
PDF: 10 pages
Proc. SPIE 3648, Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts IV, (22 December 1998); doi: 10.1117/12.334591
Show Author Affiliations
Masahiro Kouzaki, Minolta Co., Ltd. (United States)
Tetsuya Itoh, Minolta Co., Ltd. (Japan)
Takayuki Kawaguchi, Chiba Univ. (Japan)
Norimichi Tsumura, Chiba Univ. (Japan)
Hideaki Haneishi, Chiba Univ. (Japan)
Yoichi Miyake, Chiba Univ. (Japan)

Published in SPIE Proceedings Vol. 3648:
Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts IV
Giordano B. Beretta; Reiner Eschbach, Editor(s)

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