均等色空間と高品質画像系統的符号化

概要

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We propose a systematical color image coding which will be very important is near furture image communication via ISDN. The "systematic" means systematic design and signal processing based on the Picture Quality Scale(PQS). PQS is defined as a function of the color difference which is expected to be defined as an Euclidean distance of signal error between the original image signal and the decoded signal. We should start the following detailed discussion as soon as possible; 1. Quantization of RGB signals and HVC signals under the condition of "quantization error is not perceptible". 2. (a) Discussion on uniformity of Munsell Renotation System and modification if necessary. (b) Discussion on the precision of the mathematical two-way transformation between RGB color space and HVC color sace. (c) The development of the two-way transformation between RGB color space and YCMK color space.
一般社団法人映像情報メディア学会の論文
1991-11-22