Image analysis – Histogram processing – For setting a threshold
Patent
1989-02-15
1991-01-08
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
358401, 346160, G06K 900
Patent
active
049842846
ABSTRACT:
There is disclosed an image processing apparatus capable of image masking and trimming in easier manner for an arbitrary image area. The apparatus is capable of designating an image area and another image area in the first-mentioned image area, and different image processings can be applied to said first and second image areas.
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patent: 4552449 (1985-11-01), Wakamatsu et al.
patent: 4556915 (1985-12-01), Shibata
patent: 4623935 (1986-11-01), Mukai et al.
patent: 4737804 (1988-04-01), Ayata et al.
patent: 4739350 (1988-04-01), Arao
Boudreau Leo H.
Canon Kabushiki Kaisha
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