Image preprocessing by modified median filter

Details Image preprocessing by modified median filter Image preprocessing by modified median filter

1985-05-24

1988-04-05

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 52, 382 27, 382 31, 358166, 358167, G06K 956, G06K 940

Patent

active

047364394

ABSTRACT:
Preprocessing of a noisy image, such as is obtained by a raster scan, by tracting the median of the pixel values of one or more lines from the medians of predetermined pixel neighborhoods.

REFERENCES:
patent: 3597731 (1971-08-01), Reitboeck
patent: 3748644 (1973-07-01), Tisdale
patent: 3794272 (1974-02-01), Hecker
patent: 3805239 (1974-04-01), Watanabe
patent: 3993976 (1976-11-01), Ginsburg
patent: 4303943 (1981-12-01), May
patent: 4334244 (1982-06-01), Chan et al.
patent: 4395698 (1983-07-01), Sternberg et al.
patent: 4396903 (1983-08-01), Habicht et al.
patent: 4400729 (1983-08-01), Jones
patent: 4463375 (1984-07-01), Macouski
patent: 4485399 (1984-11-01), Schulz et al.
patent: 4597009 (1986-06-01), Ballmer et al.
patent: 4642689 (1987-02-01), Demmer
Pratt; Digital Image Processing, 1978, pp. 330-333.

Affiliated with

Also associated with

Rating

Image preprocessing by modified median filter 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 preprocessing by modified median filter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image preprocessing by modified median filter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2239322