Image analysis – Histogram processing – For setting a threshold
Patent
1990-05-07
1991-11-26
Harkcom, Gary V.
Image analysis
Histogram processing
For setting a threshold
382 16, 382 25, 36447424, G06F 1562
Patent
active
050688049
ABSTRACT:
An input method and an input apparatus wherein a sketch read by an image scanner is displayed on the display, the class of component figure is designated thereon, characteristic values are input, and positions of characteristic points are designated such that a figure of fair copy is automatically prepared. Further, the sketch and the figure of fair copy are displayed being superposed upon each other while modifying the brightness or color so that the results of input can be easily recognized, making it possible to reduce the work for inputting the figure and to easily determine the size and position of the figure on the document which is a constituent component. In preparing the figure of fair copy by recognizing through a pattern recognition device the sketch that is input by the image scanner, furthermore, those portions that were not properly recognized are input again by the above method and apparatus.
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Iwami Hidefumi
Nishino Hideki
Tabata Kuniaki
Watanabe Tan
Harkcom Gary V.
Hitachi , Ltd.
Jaffe Michael A.
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