Image analysis – Histogram processing – For setting a threshold
Patent
1991-03-21
1993-06-15
Moore, David K.
Image analysis
Histogram processing
For setting a threshold
382 52, 358166, 358447, G06K 936
Patent
active
052206246
ABSTRACT:
The present invention relates to a method for enhancing the outline of shapes that occur in an original image which has been obtained by the use of an electro-optical scanner or similar device for the purposes of preparation for printing. The apparatus for reading images comprises the RAM 12 where plural sets of data having the relationships between the difference signal S-U and the enhancement signal K.multidot.(S-U) are stored. By selecting a proper set, the outline enhancement or graininess sublimation threshold setting can be set according color values and other photo aspects of the original, or according to the design of the original image and it's intended use.
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Hirosawa Makoto
Sakamoto Takashi
Dainippon Screen Mfg. Co,. Ltd.
Fox David
Moore David K.
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