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Lossless JPEG 標 準(LS-JPEG, 1992)• 注 意 : 跟 JPEG 很 不 一 樣 , 沒 有 DCT!因 為 發 現 DCT 處 理 後 的 餘 值 影 像 不 利 entropy coding。SourceImage DataLoseless JPEG EncoderPredictorEntropyEncoderCompressedImage DataC BA XContext structureType Prediction X=?0 no prediction1 A2 B3 C4 A+B-C5 A+(B-C)/26 B+(A-C)/27 (A+B)/2
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