[1991] Conference Record of the Twenty-Fifth Asilomar Conference on Signals, Systems &Amp; Computers
DOI: 10.1109/acssc.1991.186489
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Transform coding of monochrome and color images using trellis coded quantization

Abstract: Trellis coded quantization (TCQ) is incorporated into a transform coding structure for encoding monochrome and color images at 1 bit/pixel. Both fixed-rate and entropy-constrained designs are considered. For monochrome images, a simple 4-state fixed-rate TCQ-based system provides gains in peaksignal-to-noise ratio of up to 2.4 dB over scalar quantizer based systems, whale the entropy-constrained design provides gains of up to 7.0 dB. Gains in PSNR for color images of up to 1.6 dB and 3.9 dB are achieved for th… Show more

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