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Color image quality metric S-CIELAB and its application on halftone texture visibility

Xuemei Zhang, D.A. Silverstein, J.E. Farrell, B.A. Wandell
Proceedings IEEE COMPCON 97. Digest of Papers  

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We describe experimental tests of a spatial extension to the CIELAB color metric for measuring color reproduction errors of digital images. The standard CIELAB AE metric is suitable for use on large uniform color targets, but not on images, because color sensitiviq changes as a function of spatial pattern. The S-CIELAB extension includes a spatial processing step, prior to the CIELAB AE calculation, so that the results correspond better to color difference perception by the human eye. The
more » ... AB metric was used to predict texture visibilit): of printed halftone patterns. The results correlate with perceptual data better than starzdard CIELAB arzd poirlt the way to various improvements.
doi:10.1109/cmpcon.1997.584669 dblp:conf/compcon/ZhangSFW97 fatcat:bi5oplgqwbcv3n6wfjqnndsj44
Citation

Xuemei Zhang, D.A. Silverstein, J.E. Farrell, B.A. Wandell. "Color image quality metric S-CIELAB and its application on halftone texture visibility." Proceedings IEEE COMPCON 97. Digest of Papers 44-48