NDLI: Investigation on Color Shifts for Different Gamma of Display System in CIECAM02-Based Uniform Color Space

Content Provider	IEEE Xplore Digital Library
Author	Ping He Junsheng Shi Xiaoqiao Huang Qiong Li
Copyright Year	2008
Description	Author affiliation: Color & Image Vision Lab., Yunnan Normal Univ., Kunming (Ping He; Junsheng Shi; Xiaoqiao Huang; Qiong Li)
Abstract	As for color applications, color shift for different display system is an extremely important issue in the color industry and visual communications, and the gamma of a display system is one of the anchor points for color appearance of images on the screen of a display. In this paper, color shifts for different gamma of a display system were measured in new uniform color space based the color appearance model CIECAM02 and compared with ones in the CIELAB color space. Experiments of visual evaluations and theoretical calculations were conducted on an image of the Macbeth Color Checker with 24 blocks of color for visual evaluation and 4913 test samples for calculation of color difference on a computer system with LCD display at three system gamma 0.8, 1.0 and 1.2. Calculation and evaluation results show that evaluation of color different in the uniform color space based on CIECAM02 has better performance than the CIELAB for display colors, and that average color difference is about 3.5 at discrepancy 0.2 of system gamma and about 7.0 at discrepancy 0.4, and maximum color difference is about 9.0 at discrepancy 0.2 of system gamma and about 16.0 at discrepancy 0.4 in DeltaE'color difference unit of CAM02-SCD.
Starting Page	30
Ending Page	33
File Size	440381
Page Count	4
File Format	PDF
ISBN	9780769533360
DOI	10.1109/CSSE.2008.292
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-12
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Laboratories Application software Helium CAM02-SCD Aerospace industry Computer science CIECAM02 Gamma Computer displays Image color analysis Space technology Liquid crystal displays Computer display Color shift Software engineering
Content Type	Text
Resource Type	Article

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