the whole world burns

Archive for category 'compression'

Xerox scanners randomly alter numbers in scanned documents

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Incorrect application of JBIG2 compression (which builds a dictionary of image "patches" such that similar areas can be compressed into a reference to a single patch) apparently leads this Xerox scanner to silently mangle documents -- the patch size is such that it confuses 6, 8, and perhaps other glyphs.

The Death Of Dynamic Range

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How the music industry is ruining their music.

Small things, links and miscellany, sparkling with light. Sam's tumblelog.

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