Method to convert between 2 color space on a 32 bit .mu.-process

Details Method to convert between 2 color space on a 32 bit .mu.-process Method to convert between 2 color space on a 32 bit .mu.-process

1990-12-12

1993-06-08

Mancuso, Joseph

Image analysis

Histogram processing

For setting a threshold

358 13, 358 75, 382 56, G06K 946

Patent

active

052186474

ABSTRACT:
An improved method for converting between two color spaces such as the RGB and YIQ color on a 32 bit microprocessor. The present invention only requires in total number of operations three table look-ups, two adds, two barrel shifts and two masking operations. In terms of speed it is believed that the present invention is optimal for microprocessors such as 32 bit microprocessors.

REFERENCES:
patent: 4747154 (1988-05-01), Suzuki et al.
patent: 4951129 (1990-08-01), Lang
patent: 4951139 (1990-08-01), Hamilton et al.
patent: 4974071 (1990-11-01), Maeda
patent: 4998286 (1991-03-01), Tsujiuchi et al.
patent: 5038202 (1991-08-01), Ooishi et al.

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