Inventor · Herndon, VA, US

Li Yu

41Patents
14h-index
59Co-inventors
84Inventor score

Filing activity: Jul 26, 2002 → Feb 23, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7801330B2 Target detection and tracking from video streams Physics 97 Active
US7796780B2 Target detection and tracking from overhead video streams Physics 91 Active
US8334906B2 Video imagery-based sensor Electricity 61 Active
US8711217B2 Video surveillance system employing video primitives Physics 57 Active
US9158975B2 Video analytics for retail business process monitoring Physics 54 Active
US7583815B2 Wide-area site-based video surveillance system Physics 49 Active
US9591267B2 Video imagery-based sensor Electricity 46 Active
US8401229B2 Stationary target detection by exploiting changes in background model Physics 30 Active
US7884849B2 Video surveillance system with omni-directional camera Physics 25 Active
US9378632B2 Video surveillance system employing video primitives Physics 19 Active
US7949150B2 Automatic camera calibration and geo-registration using objects that provide positional information Physics 18 Active
US8526678B2 Stationary target detection by exploiting changes in background model Physics 18 Active
US8823804B2 Method for finding paths in video Electricity 18 Active
US8948458B2 Stationary target detection by exploiting changes in background model Physics 17 Active
US9195883B2 Object tracking and best shot detection system Physics 12 Active
US7822275B2 Method for detecting water regions in video Physics 11 Active
US7925536B2 Intelligent video verification of point of sale (POS) transactions Electricity 9 Active
US9240051B2 Object density estimation in video Physics 8 Active
US9363487B2 Scanning camera-based video surveillance system Electricity 7 Active
US6928735B2 Method of vehicle door assembly Emerging Cross-Sectional Technologies 5 Expired
US9858474B2 Object tracking and best shot detection system Physics 4 Active
US10645350B2 Video analytic rule detection system and method Physics 3 Active
US10026285B2 Video surveillance system employing video primitives Physics 3 Active
US9277185B2 Intelligent video verification of point of sale (POS) transactions Electricity 2 Active
US10755259B2 Intelligent video verification of point of sale (POS) transactions Electricity 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.