Television – Image signal processing circuitry specific to television – Special effects
Patent
1997-09-19
2000-01-04
Faile, Andrew I.
Television
Image signal processing circuitry specific to television
Special effects
348586, 348587, 382164, H04N 975
Patent
active
060115955
ABSTRACT:
A method for segmenting a digital image into a foreground region and a key color region including characterizing a distribution of key color values; using the distribution of key color values to produce a multi-dimensional look-up-table having three or more dimensions indexed by color values in a selected color space to define a key color volume; addressing the multi-dimensional look-up table with color values of pixels in the digital image to determine whether the color values of such pixels are within the key color volume; and labeling pixels in the digital image whose color values fall within the key color volume to be within the key color region and labeling all other pixels to be within the foreground region whereby the digital image is segmented into the foreground region and the key color region.
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Couwenhoven Douglas W.
Henderson Todd R.
Spaulding Kevin E.
Eastman Kodak Company
Faile Andrew I.
Le Uyen
Owens Raymond L.
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