发明名称 |
METHOD AND APPARATUS FOR ON-LINE HANDWRITING RECOGNITION BASED ON FEATURE VECTORS THAT USE AGGREGATED OBSERVATIONS DERIVED FROM TIME-SEQUENTIAL FRAMES |
摘要 |
<p>A method for on-line handwriting recognition is based on a hidden Markov model and implies the following steps: sensing real-time at least an instantaneous write position of the handwriting, deriving from the handwriting a time-conforming string of segments each associated to a handwriting feature vector, matching the time-conforming string to various example strings from a data base pertaining to the handwriting, and selecting from the example strings a best-matching recognition string through hidden-Markov processing, or rejecting the handwriting as unrecognized. In particular, the feature vectors are based on local observations derived from a single segment, as well as on compacted observations derived from time-sequential segments.</p> |
申请公布号 |
EP0865638(B1) |
申请公布日期 |
2003.08.27 |
申请号 |
EP19970940309 |
申请日期 |
1997.10.02 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V.;PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH |
发明人 |
DOLFING, JANNES, GIJSBERTUS, ARNOLDUS;HAEB-UMBACH, REINHOLD |
分类号 |
G06K9/62;G06K9/00;G06K9/22;G07C9/00;(IPC1-7):G06K9/00 |
主分类号 |
G06K9/62 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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