Noise cleaner for binary images

Details Noise cleaner for binary images Noise cleaner for binary images

1982-12-27

1985-04-09

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 27, G06K 940

Patent

active

045106185

ABSTRACT:
The disclosed apparatus operates upon binary signals corresponding to a scanned image. The binary images are stored in a matrix as concentric windows of interconnected rows and columns. The binary signals contained in the rows and columns are summed and logically compared against the sums of binary signals in adjacent windows and if the sums and logical combinations do not exceed preselected amounts it is assumed that the binary signals within a particular window are spurious, and means are provided for cleaning these signals from the window. Incrementing the binary images that are stored in the matrix permit the total scanned image to be analyzed.

REFERENCES:
patent: 4298895 (1981-11-01), Arai et al.

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