Image analysis – Histogram processing – For setting a threshold
Patent
1988-05-16
1990-04-10
Boudreau, Leo H.
Image analysis
Histogram processing
For setting a threshold
358464, G06K 938
Patent
active
049167448
ABSTRACT:
A signal processing method and apparatus for measuring the background level of an image by detecting a minimum or maximum value of a smoothed image signal. The background level is used to set an optimum threshold for binary digitization.
REFERENCES:
patent: 3599148 (1971-08-01), Stern
patent: 3869698 (1975-03-01), Trost et al.
patent: 4064484 (1977-12-01), Mesa et al.
patent: 4525747 (1985-06-01), Sakai et al.
patent: 4547811 (1985-10-01), Ochi et al.
patent: 4649436 (1987-03-01), Nakagawa et al.
patent: 4741046 (1988-04-01), Matsunawa et al.
patent: 4742399 (1988-05-01), Kitamura
Boudreau Leo H.
Fuji Photo Film Co. , Ltd.
LandOfFree
Image signal processing method does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Image signal processing method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image signal processing method will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2305383