Color imaging process

Details Color imaging process Color imaging process

1984-10-15

1987-03-03

Perkey, William B.

Boots, shoes, and leggings

356402, G01J 350, G01N 2100

Patent

active

046480510

ABSTRACT:
A method is disclosed to separate the effect of the ambient lighting from the effects of surface reflectance to better analyze the surface properties of materials. The method uses the data sensed by N+1 sensor classes to define a finite dimensional approximation of a surface reflectance function at each image point, and a finite dimensional approximation of the ambient light.
The ambient light reflected from a surface will cause a strength of response in the k.sup.th class of sensor, at position x, according to the formula

REFERENCES:
patent: 2540797 (1951-02-01), Stearns, Jr.
patent: 2542564 (1951-02-01), Park
patent: 4411519 (1983-10-01), Togami
patent: 4488245 (1984-12-01), Dalke et al.

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