Data compression system and method

Details Data compression system and method Data compression system and method

G - Physics

06

T

354/67

G06T 9/00 (2006.01) H04N 1/41 (2006.01) H04N 1/411 (2006.01)

Patent

CA 2039038

IMPROVED DATA COMPRESSION SYSTEM AND METHOD ABSTRACT Image data compression is implemented by partitioning an image into rela- tively small blocks of pixels, matching each block to an orthogonal icon, and extract- ing attributes associated with the icon. A table of these orthogonal icons and at- tributes represents a data compressed image. Each block is processed separately from all other blocks. Orthogonal processing is used to preserve orthogonal features while attenuating non-orthogonal features. An optimum set of orthogonal icons and an optimum set of attributes for each icon further improves data compression and fi- delity. The optimal set of orthogonal icons includes a flat icon, an edge icon, a rib- bon icon, a corner icon, and a spot icon. An optimal set of attributes includes aver- age intensities, intensity transition position and separation, and angle of the principal axes.

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