Method and device for airbrushing

Details Method and device for airbrushing Method and device for airbrushing

1994-02-28

1996-04-09

Brier, Jeffery

Computer graphics processing and selective visual display system

Display peripheral interface input device

345179, G09G 128, G09G 502

Patent

active

055066038

ABSTRACT:
A method for airbrushing and a device therefor enable to perform an airbrush operation in which only lightness or chroma is varied. The airbrush device performs the airbrush operation to gradate a designated region or regions of RGB data by converting the RGB data in a RGB coordinate system into image data in a lightness, chroma and/or hue coordinate system, and designating airbrush information for performing the airbrush operation on the converted image data in the lightness, chroma and/or hue coordinate system. Image data corresponding to the airbrush information is extracted from the converted image data in the lightness, chroma and/or hue coordinate system, and the airbrush operation is performed on the extracted image data in the lightness, chroma and/or hue coordinate system based on the airbrush information.

REFERENCES:
patent: 4775858 (1988-10-01), Stapleton et al.
patent: 4829455 (1989-05-01), Long et al.
patent: 5225817 (1993-06-01), Long

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