Design of adaptive DCT image compressors
碩士 === 國立成功大學 === 電機工程研究所 === 80 === DCT(Discrete Cosine Transform)是一種很好的醫學影像壓縮法,但如果只使用DCT ,往往無法得到令人滿意的壓縮率(Compressionratio),因此本文提出一種〞分類式 適應性DCT 〞(以下簡稱CADCT) 依據圖形的複雜度分成四種CLASS 並對應不同的位元 配置圖(Bit Allocation Map),以減少編碼的數量。以往複雜度的判...
Main Authors: | CHEN, WEN-GUAN, 陳文冠 |
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Other Authors: | DAI, XIAN-QUAN |
Format: | Others |
Language: | en_US |
Published: |
1992
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Online Access: | http://ndltd.ncl.edu.tw/handle/08559311115956769587 |
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