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IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 2008 E91-A(6):1392-1399; doi:10.1093/ietfec/e91-a.6.1392
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Copyright © 2008 The Institute of Electronics, Information and Communication Engineers

Special Section on Image Media Quality - Papers

Image Quality Assessment for Color Halftone Images Based on Color Structural Similarity

JunHak LEE1 and Takahiko HORIUCHI1

1 The authors are with the Graduate School of Science and Technology, Chiba University, Chiba-shi, 263-8522 Japan. E-mail: leejunhak{at}graduate.chiba-u.jp


  Abstract

This paper proposes a new color halftone image quality assessment method based upon the color structural similarity measure with considering the human visual characteristics. To include the color visual characteristics, we carry out the color filtering for each luminance, red-green, and blue-yellow channels. Then, we apply the color structural similarity measure to the color filtered images, which are the reference image and the halftoned image, to evaluate the localized structural difference. By considering those characteristics, in this paper, the assessment of the color halftone images can be realized. We apply the proposed measure to the various kinds of color halftone images and confirm that the proposed measure can give reasonable results compared with the results by subjective evaluation.

Key Words: halftone, structural similarity, image quality measure

Manuscript received July 4, 2007. Manuscript revised October 12, 2007.


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