Image analysis – Histogram processing – For setting a threshold
Patent
1996-07-17
1997-11-04
Rogers, Scott A.
Image analysis
Histogram processing
For setting a threshold
382266, 382256, 358447, 358300, G06K 1514, G06T 530, H04N 129, H04N 1409
Patent
active
056849338
ABSTRACT:
According to the invention, video data which are incapable of sufficiently reducing toner consumption through thinning-down control inclusive of edge detection, is divided into unit elements to increase the apparent dot matrix number of each letter or character, and the unit elements thus obtained are reconstituted through an image smoothing process or a pseudo image density increasing process for thinning-down control again. When a pixel is divided into four divisions, for instance, substantially the same effect as of thinning-down control of a letter of apparently four times the size is obtainable. Dense thinning-down control is thus obtainable.
REFERENCES:
patent: 5117294 (1992-05-01), Yano
patent: 5404233 (1995-04-01), Nagata et al.
patent: 5581358 (1996-12-01), Seto et al.
Kyocera Corporation
Rogers Scott A.
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