Image analysis – Histogram processing – For setting a threshold
Patent
1987-09-25
1990-12-18
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
382 18, G06K 946
Patent
active
049792253
ABSTRACT:
The method for detecting corresponding regions between a plurality of picture images comprises the steps of setting respective operation object regions for a plurality of picture images, calculating a variance of mutual concentration or density distributions in the operation object regions, and detecting the operation object regions which have been set in which the calculated variance value is at a minimum. The apparatus for detecting corresponding regions between picture images comprises a variance calculating member for calculating a variance of mutual concentration or density distributions in the operation object regions of a plurality of picture images, and a corresponding region detecting member for detecting a seat of regions where a variance value calculated by the variance calculating device is at a minimum.
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patent: 4414635 (1983-11-01), Gast et al.
patent: 4621284 (1986-11-01), Nishioka et al.
patent: 4658429 (1987-04-01), Orita et al.
patent: 4675704 (1987-06-01), Yamamoto
patent: 4677465 (1987-06-01), Alkofer
patent: 4764971 (1988-08-01), Sullivan
Honda Toshio
Ikeda Shigeto
Kikuchi Susumu
Ohyama Nagaaki
Tsujiuchi Junpei
Boudreau Leo H.
Couso Jose L.
Olympus Optical Co,. Ltd.
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