Image analysis – Histogram processing – For setting a threshold
Patent
1987-02-10
1990-02-06
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
358111, 36441314, 382 54, G06K 900
Patent
active
048993930
ABSTRACT:
In order to extract correctly an intended region by correcting the distortion of two images due to different time points of observation, an emphasis factor which depends on the standard deviation of the image gray value within the intended region is evaluated, and the intended region for registration is selected after adaptive filtering with characteristics determined by the emphasis factor.
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Morishita Koichi
Sato Kazuhiro
Yokoyama Tetsuo
Boudreau Leo H.
Hitachi , Ltd.
Hitachi Medical Corporation
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