G - Physics – 06 – F
Patent
G - Physics
06
F
354/60
G06F 3/00 (2006.01) G06K 9/00 (2006.01) G06K 9/46 (2006.01)
Patent
CA 1118109
PATTERN READING SYSTEM Abstract of the Disclosure A method of recognizing visual patterns of hand printed characters or the like by means of an optical character reader which reads the patterns by a so-called outermost point method. While tracing the contour of the pattern stored in a two-dimensional memory, the distances from the starting point of the tracing and the integrated values of the coordinates of the points traced on the contour from the starting points are simultaneously obtained successively to extract outermost points for the series of contours. According to this outermost points, the contours are segmented into the convex line segments, concavity line segments and hole segments and the corresponding parameters of feature of each segment are detected. Simultaneously, the convex line segment of which is shorter than a predetermined length is rejected and the remaining segments are subjected to matching operation in accordance with preliminarily prepared dictionary, thereby making a decision as to the pattern's identity. - 1 -
337485
Anahara Keiichi
Mori Shunji
Saito Seiichi
Tsuchiya Teruo
Yamamoto Kazuhiko
Agency Of Industrial Science And Technology Ministry Of International Trade And Industry
Macrae & Co.
Tokyo Keiki Company Limited
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