Method and apparatus for improving the display of greys in a two-tone digitized image
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United States of America Patent
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-
Jul 2, 1996
Grant Date -
N/A
app pub date -
Apr 22, 1994
filing date -
Apr 26, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and associated apparatus for enhancing the display or print of greys in a two-tone digitized image consisting of storing a portion of a binary image map including a central bit under examination to be displayed and in testing if the said central bit is representative of an isolated dot or whether in a region around the said central bit in one of a plurality of predetermined directions there is an isolated dot at a predetermined distance from the said central bit, to display the central bit as a dot of reduced dimensions in such a way as to convert the display of an isolated dot in the display into a plurality of smaller dots with aggregate areas equivalent to the isolated dot and distributed around the location of the isolated dot identified from the image map.
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