发明名称 FEATURE ATTRIBUTE CALCULATION APPARATUS, FEATURE EXTRACTION APPARATUS, PATTERN MATCHING APPARATUS, AND METHOD
摘要 Disclosed is an apparatus that detects a stream line from a pattern signal, sets a stream line coordinate system determined by the stream line, and calculates an attribute of the pattern feature based on the stream line coordinate system.
申请公布号 US2010183230(A1) 申请公布日期 2010.07.22
申请号 US20080666959 申请日期 2008.06.25
申请人 NEC CORPORATION 发明人 HUANG LEI
分类号 G06K9/46 主分类号 G06K9/46
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