Index Entry 1 a 2 b 3 ab 4 ba 5 ab… Table 5.14: Completion of the fifth entry. Index Entry 1 a 2 b 3 ab 4 ba 5 aba 6 a… See p. 140 Program diffim, huff_enc (Compress command) (Unix Compress Command) LZW decoder has to contain an exception handler to handle the special case of decoding an index that does not have a corresponding complete entry in the decoder dictionary. (See Tables 4.7 and 4.8) Table 5.16: Comparison of GIF with arithmetic coding Image GIF Arithmetic Coding Arithmetic Coding of Pixel Values of Pixel Difference Sena 51,085 53,431 31,847 Sensin 60,649 58,306 37,126 Earth 34,276 38,248 32,137 Omaha 61,580 56,061 51,393
Index Entry 1 a 2 b 3 ab 4 ba 5 ab… Table 5.14: Completion of the fifth entry. Index Entry 1 a 2 b 3 ab 4 ba 5 aba 6 a… See p. 140 Program diffim, huff_enc (Compress command) (Unix Compress Command) LZW decoder has to contain an exception handler to handle the special case of decoding an index that does not have a corresponding complete entry in the decoder dictionary. (See Tables 4.7 and 4.8) Table 5.16: Comparison of GIF with arithmetic coding Image GIF Arithmetic Coding of Pixel Values Arithmetic Coding of Pixel Difference Sena 51,085 53,431 31,847 Sensin 60,649 58,306 37,126 Earth 34,276 38,248 32,137 Omaha 61,580 56,061 51,393
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