Image analysis – Histogram processing – For setting a threshold
Patent
1990-02-21
1991-10-01
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
382 55, 358451, G06K 936
Patent
active
050540998
ABSTRACT:
A binary image reduction method for reducing a binary original picture at a conversion ratio .alpha..sub.x smaller than 1 in a horizontal direction and at a conversion ratio .alpha..sub.y smaller than 1 in a vertical direction to obtain a converted picture,
REFERENCES:
patent: 4628534 (1986-12-01), Marshall
patent: 4893258 (1990-01-01), Sakuragi
Adachi Fumio
Ichikawa Tadashi
Wakabayashi Kaoru
Boudreau Leo H.
Johns Andrew W.
Nippon Telegraph and Telephone Corporation
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