Color adjustment for smoothing a boundary between color images

Details Color adjustment for smoothing a boundary between color images Color adjustment for smoothing a boundary between color images

1992-10-29

1995-08-01

Jankus, Almis R.

395133, 395135, G06T 1100

Patent

active

054386519

ABSTRACT:
The present invention generally relates to processing of color images and more particularly to a method for smoothing a color boundary between an object and a background. A method for changing the color of an object against the color of a background to smooth the color boundary between the object and the background includes the steps of: identifying the color of the boundary part of the object as a boundary color; obtaining a mixing ratio for mixing the color of the object and the color of the background to produce the boundary color; changing the color of the object relative to the color of the background; and changing the boundary color while maintaining the mixing ratio substantially constant at the boundary part before and after the color change process.

REFERENCES:
patent: 4823183 (1989-04-01), Jackson et al.
patent: 4963979 (1990-10-01), Sendelweck
patent: 5153937 (1992-10-01), Wobermin et al.
patent: 5194941 (1993-03-01), Grimaldi et al.
Foley et al. Computer Graphics Principles and Practice 1990.
S. Inoue, "An Object Extraction Method for Image Synthesis," IEICE, vol. J74-D-II, No. 10, pp. 1411-1418.

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