Abstract
We propose a new detail discrimination method using the differential stroke which is extracted automatically to take the maximum stroke distance among whole corresponding strokes from two reference patterns. The method forms each common pattern by eliminating the differential stroke from each reference pattern, then obtains each remained stroke by eliminating the partial pattern corresponding to the common pattern from an input pattern, next performs discrimination using each differential stroke and each remained stroke. The method possesses an advantage that there is no load to edit the dictionary if the new similar character pattern appears because the differential stroke is extracted automatically when the similar character patterns are presented. In the discrimination experiment for Japanese Industry Standard level-2 Kanji character pattern written in correct order-correct number and the Kanji character pattern in constant use written in the square style, the proposed method improves the correct recognition rate to both experiments, and its effectiveness is confirmed.
