A color image compression method based on a genetic algorithm and absolute moment block truncation coding (BTC) is proposed. Color images comprise three planes: red, green, and blue. There are very high correlations between the images in these planes. This motivates the use of one common bitmap to represent all three color bitmaps. In order to generate such a bitmap so that the average mean squared error between original and reconstructed images is a minimum, the genetic algorithm is applied. Comparison of results with various methods have verified that the proposed method has higher performance than the other schemes for single bitmap BTC coding of color images. # 1998 Society of Photo-Optical Instrumentation Engineers. S0091-3286(98)00409-7 Subject terms: genetic algorithms; image coding; block truncation coding; absolute moment block truncation coding; single bitmap. Paper 07127 received Dec. 3, 1997; accepted for publication Mar. 19, 1998.
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