Assignee
LEI YIWU
CA·4 granted patents·45 citations·filing 2006–2011
Top patents by PatentIndex Score
4 records- 0183US8540158B2Document verification using dynamic document identification frameworkLEI YIWU·Filed 2007·Granted Sep 24, 2013·24 cites·34 claims
- 0276US8194933B2Identification and verification of an unknown document according to an eigen image processLEI YIWU·Filed 2007·Granted Jun 5, 2012·19 cites·23 claims
- 0362US8096584B2Document authentication using template matching with fast masked normalized cross-correlationLEI YIWU·Filed 2006·Granted Jan 17, 2012·2 cites·14 claims
- 0449US8485559B2Document authentication using template matching with fast masked normalized cross-correlationLEI YIWU·Filed 2011·Granted Jul 16, 2013·0 cites·11 claims
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