Electronic airbrushing

Details Electronic airbrushing Electronic airbrushing

1991-01-23

1992-07-14

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

358 81, G06K 900

Patent

active

051310562

ABSTRACT:
A method of simulating airbrushing of an image electronically comprises generating a set of pixel values from a stored set. The pixels define the area of an airbrush and the color content is modified by selecting sets in sequence, then combining the image pixel content with the pixel value and a unit amount of brush color. The pixel values are generated by dividing the sequence into sets and recording the number of occurrences of each pixel coordinate in a set. The brush may be a single color or contain pixels of many different colors when defined by another image.

REFERENCES:
patent: 3772465 (1973-11-01), Vlahos et al.
patent: 3846826 (1974-11-01), Mueller
patent: 4606625 (1986-08-01), Geshwind
patent: 4767731 (1987-11-01), Ghazey
patent: 4972500 (1990-11-01), Ishii et al.
patent: 5014333 (1991-05-01), Miller et al.

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