Image analysis – Histogram processing – For setting a threshold
Patent
1992-06-18
1994-09-27
Chin, Stephen
Image analysis
Histogram processing
For setting a threshold
345135, 345136, G09G 106
Patent
active
053513150
ABSTRACT:
An image processing apparatus includes a detection part for detecting an inclination of an outline from an image data stored in a memory, a dot counting part responsive to the detected inclination of the outline from the detection part for calculating selectively the number of successive dots aligned along a horizontal line and ending with a change of one dot in a vertical direction or the number of successive dots aligned along a vertical line and ending with a change of one dot in a horizontal direction and for supplying a counted number of successive dots, and a correction part for generating a plurality of correction dots which are arranged along a new horizontal line vertically changed by one dot from the horizontal line or a new vertical line horizontally changed by one dot from the vertical line on the basis of the counted number from the dot counting part and for supplying the plurality of correction dots to an output memory so as to produce a visually smooth outline in the output memory.
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patent: 5122884 (1992-06-01), Gilbert et al.
patent: 5150108 (1992-09-01), Markham
Hanyu Yoshiaki
Ueda Naofumi
Chin Stephen
May Timothy J.
Ricoh & Company, Ltd.
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