Quote: for Ziv-Lempel compression of text, found window size of 8192 gave 4-bits/char with knee at 1000

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[For testing Ziv-Lempel coding] The file 'book' is a transcript of … [Figure 5] indicates that for English text choosing [the sliding window size] = 8192 affords near-optimal compression [4- bits/char] without having the window … [The knee of the curve is 4.5 bits/char at window size about 1000] … [For a bit-mapped image file with window=512, compressed to 1 bit/char and no further improvement.] …   Google-1   Google-2

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Topic: data compression algorithms (53 items)