Method of deriving characteristic contours from a colored pictur

Details Method of deriving characteristic contours from a colored pictur Method of deriving characteristic contours from a colored pictur

1975-06-10

1977-10-25

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

40 22, 235 617B, 354103, G06K 908

Patent

active

040558339

ABSTRACT:
A method of deriving characteristic curves from a colored photograph of an object, which comprises making an image comprising only one of the basic colors of the colored photograph, the contrast of said image being enhanced, so that only the areas of the object which are most strongly colored in said color are reproduced.

REFERENCES:
patent: 2082579 (1937-06-01), Jacobsen
patent: 3715962 (1973-02-01), Yost, Jr.
patent: 3805238 (1974-04-01), Rothfjell

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