Method for optimizing frequency-modulated rasters upon utilizati

Details Method for optimizing frequency-modulated rasters upon utilizati Method for optimizing frequency-modulated rasters upon utilizati

1993-12-28

1995-06-13

Boudreau, Leo H.

Image analysis

Image enhancement or restoration

Variable threshold, gain, or slice level

358466, G06K 900

Patent

active

054251125

ABSTRACT:
The method optimizes frequency-modulated rasters for recording black-and-white or chromatic raster images. An image to be recorded is optoelectronically scanned and is digitally stored in the form of the individual gray scale values that were allocated to the individual pixels. Threshold decisions are implemented using the gray scale values, a decision being made as to whether or not a pixel is set in the rastered recording of the image.

REFERENCES:
patent: 4150428 (1992-09-01), Leone et al.
patent: 4998122 (1991-03-01), Kanno et al.
patent: 5150429 (1992-09-01), Miller et al.

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