Video signal processing

Details Video signal processing Video signal processing

1987-05-20

1990-02-06

Clark, David L.

Boots, shoes, and leggings

340729, 340747, 340728, 340750, G06F 1572

Patent

active

048992950

ABSTRACT:
A video signal processing system changes the shape of a video frame so that it appears to take the form of a three dimensional object. The system also applies shading to the object in response to an imaginary light source. The address data is processed to produce light intensity factors and the value of each pixel in each video frame is adjusted in response to a light intensity factor.

REFERENCES:
patent: 4586038 (1986-04-01), Sims et al.
patent: 4609917 (1986-09-01), Shen
patent: 4682160 (1987-07-01), Beckwith, Jr. et al.
patent: 4682217 (1987-07-01), David et al.
patent: 4700181 (1987-10-01), Maine et al.
patent: 4709231 (1987-11-01), Sakaibara et al.
patent: 4727364 (1988-02-01), Vorst
patent: 4737921 (1988-04-01), Goldwasser et al.
Computer Vision, Graphics and Image Processing, vol. 29, No. 3, Mar. 1985, pp. 361-376, Academic Press Inc., New York, U.S.; D. Gordon et al.: "Image space shading of 3-dimensional objects", p. 361, line 2-p. 369, line 2.

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