Inventor · disambiguated record
Yun Zhai
Also filed as: ZHAI YUN
88 granted patents·5 pending applications·549 citations·filing 2007–2024
99Inventor score
Top patents by PatentIndex Score
93 records- 0196US8532336B2Multi-mode video event indexingBOBBITT RUSSELL P·Filed 2010·Granted Sep 10, 2013·26 cites·24 claims
- 0295US9594963B2Determination of object presence and motion stateIBM·Filed 2016·Granted Mar 14, 2017·14 cites·17 claims
- 0395US7448542B1Method for detecting a non-scan at a retail checkout stationIBM·Filed 2008·Granted Nov 11, 2008·44 cites·4 claims
- 0493US9454884B1Discovering object pathways in a camera networkIBM·Filed 2016·Granted Sep 27, 2016·11 cites·1 claims
- 0593US9069104B2Pathway management using model analysis and forecastingIBM·Filed 2012·Granted Jun 30, 2015·18 cites·20 claims
- 0693US8913791B2Automatically determining field of view overlap among multiple camerasIBM·Filed 2013·Granted Dec 16, 2014·15 cites·20 claims
- 0792US9165375B2Automatically determining field of view overlap among multiple camerasIBM·Filed 2014·Granted Oct 20, 2015·12 cites·20 claims
- 0892US9158976B2Efficient retrieval of anomalous events with priority learningDATTA ANKUR·Filed 2011·Granted Oct 13, 2015·7 cites·18 claims
- 0991US7503490B1Non-scan detect system for a retail checkout stationIBM·Filed 2008·Granted Mar 17, 2009·28 cites·4 claims
- 1089US8601494B2Multi-event type monitoring and searchingBROWN LISA M·Filed 2008·Granted Dec 3, 2013·20 cites·14 claims
- 1188US10029622B2Self-calibration of a static camera from vehicle informationIBM·Filed 2015·Granted Jul 24, 2018·8 cites·20 claims
- 1288US9928423B2Efficient retrieval of anomalous events with priority learningIBM·Filed 2015·Granted Mar 27, 2018·3 cites·19 claims
- 1388US8548203B2Sequential event detection from videoBOBBITT RUSSELL P·Filed 2010·Granted Oct 1, 2013·14 cites·25 claims
- 1487US8620026B2Video-based detection of multiple object types under varying posesDATTA ANKUR·Filed 2011·Granted Dec 31, 2013·15 cites·20 claims
- 1587US8612286B2Creating a training toolBOBBITT RUSSELL PATRICK·Filed 2008·Granted Dec 17, 2013·10 cites·24 claims
- 1687US8483490B2Calibration of video object classificationBROWN LISA MARIE·Filed 2008·Granted Jul 9, 2013·15 cites·11 claims
- 1786US9224049B2Detection of static object on thoroughfare crossingsIBM·Filed 2015·Granted Dec 29, 2015·5 cites·20 claims
- 1886US8774532B2Calibration of video object classificationIBM·Filed 2013·Granted Jul 8, 2014·7 cites·12 claims
- 1986US8249301B2Video object classificationBROWN LISA MARIE·Filed 2008·Granted Aug 21, 2012·22 cites·18 claims
- 2085US9532012B1Discovering object pathways in a camera networkIBM·Filed 2016·Granted Dec 27, 2016·4 cites·1 claims
- 2185US9495763B1Discovering object pathways in a camera networkIBM·Filed 2015·Granted Nov 15, 2016·4 cites·13 claims
- 2285US9158972B2Estimation of object properties in 3D worldIBM·Filed 2014·Granted Oct 13, 2015·5 cites·20 claims
- 2385US9123129B2Multi-mode video event indexingIBM·Filed 2013·Granted Sep 1, 2015·5 cites·19 claims
- 2485US8842163B2Estimation of object properties in 3D worldDATTA ANKUR·Filed 2011·Granted Sep 23, 2014·6 cites·25 claims
- 2585US8660368B2Anomalous pattern discoveryDATTA ANKUR·Filed 2011·Granted Feb 25, 2014·13 cites·22 claims
- 2684US9805505B2Estimation of object properties in 3D worldIBM·Filed 2016·Granted Oct 31, 2017·3 cites·20 claims
- 2784US9251425B2Object retrieval in video data using complementary detectorsIBM·Filed 2015·Granted Feb 2, 2016·5 cites·20 claims
- 2884US8295545B2System and method for model based people countingHAMPAPUR ARUN·Filed 2008·Granted Oct 23, 2012·13 cites·16 claims
- 2984US8259175B2Optimizing video stream processingBOBBITT RUSSELL PATRICK·Filed 2010·Granted Sep 4, 2012·9 cites·22 claims
- 3083US9070020B2Determination of train presence and motion state in railway environmentsBOBBITT RUSSELL P·Filed 2012·Granted Jun 30, 2015·5 cites·16 claims
- 3183US8948454B2Boosting object detection performance in videosIBM·Filed 2013·Granted Feb 3, 2015·10 cites·17 claims
- 3282US9652863B2Multi-mode video event indexingIBM·Filed 2015·Granted May 16, 2017·2 cites·19 claims
- 3382US9197868B2Optimizing video stream processingIBM·Filed 2013·Granted Nov 24, 2015·3 cites·20 claims
- 3481US10102431B2Visual monitoring of queues using auxillary devicesIBM·Filed 2016·Granted Oct 16, 2018·2 cites·11 claims
- 3581US7991193B2Automated learning for people counting systemsIBM·Filed 2007·Granted Aug 2, 2011·18 cites·22 claims
- 3680US9569672B2Optimizing video stream processingIBM·Filed 2015·Granted Feb 14, 2017·2 cites·20 claims
- 3780US9147259B2Multi-mode video event indexingIBM·Filed 2013·Granted Sep 29, 2015·3 cites·17 claims
- 3880US9064325B2Multi-mode video event indexingIBM·Filed 2013·Granted Jun 23, 2015·3 cites·20 claims
- 3980US8885885B2Multi-cue object associationIBM·Filed 2012·Granted Nov 11, 2014·7 cites·25 claims
- 4080US8429016B2Generating an alert based on absence of a given person in a transactionBOBBITT RUSSELL PATRICK·Filed 2008·Granted Apr 23, 2013·7 cites·25 claims
- 4180US8345101B2Automatically calibrating regions of interest for video surveillanceIBM·Filed 2008·Granted Jan 1, 2013·15 cites·21 claims
- 4279US10169661B2Filtering methods for visual object detectionIBM·Filed 2015·Granted Jan 1, 2019·4 cites·19 claims
- 4379US8131010B2High density queue estimation and line managementSENIOR ANDREW W·Filed 2007·Granted Mar 6, 2012·15 cites·10 claims
- 4479US7962365B2Using detailed process information at a point of saleIBM·Filed 2008·Granted Jun 14, 2011·13 cites·23 claims
- 4577US8520899B2Video object classificationBROWN LISA MARIE·Filed 2012·Granted Aug 27, 2013·6 cites·14 claims
- 4677US8253831B2Location-aware event detectionBOBBITT RUSSELL PATRICK·Filed 2008·Granted Aug 28, 2012·9 cites·19 claims
- 4776US9460349B2Background understanding in video dataIBM·Filed 2015·Granted Oct 4, 2016·2 cites·20 claims
- 4876US8165348B2Detecting objects crossing a virtual boundary lineHAMPAPUR ARUN·Filed 2008·Granted Apr 24, 2012·11 cites·20 claims
- 4975US9322647B2Determining camera height using distributions of object heights and object image heightsIBM·Filed 2013·Granted Apr 26, 2016·3 cites·20 claims
- 5074US9299229B2Detecting primitive events at checkoutBOBBITT RUSSELL PATRICK·Filed 2008·Granted Mar 29, 2016·5 cites·21 claims
Showing the top 50 of 93 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →