Method of extracting an image of a moving object

Details Method of extracting an image of a moving object Method of extracting an image of a moving object

1986-11-26

1988-11-08

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

358105, 358135, G06K 900

Patent

active

047838337

ABSTRACT:
A method of extracting an image of a moving object comprises the steps of extracting edge-enhanced input image from an input image taken by an image pick-up element moving in a plane perpendicular to an optical axis, recollecting a background edge-enhanced image from the input edge image, transfer in parallel horizontally and vertically the background edge-enhanced edge image so to correspond to an input edge-enhanced image forwarded successively; extracting an edge image of a moving object by extracting the background edge-enhanced image from the input edge-enhanced image, and renewing the background edge enhanced image based on weighted mean of the background edge enhanced image and the input edge image.

REFERENCES:
patent: 4160998 (1979-07-01), Kamin
patent: 4220967 (1980-09-01), Ichida et al.
patent: 4494140 (1985-06-01), Michael
patent: 4546383 (1985-10-01), Abramatic et al.
patent: 4677476 (1987-06-01), Kondo

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