Inventor · disambiguated record
Cha Zhang
Also filed as: ZHANG CHA
53 granted patents·9 pending applications·1,074 citations·filing 2000–2024
99Inventor score
Files withMICROSOFT CORP25MICROSOFT TECHNOLOGY LICENSING LLC13ZHANG CHA10FLORENCIO DINEI AFONSO FERREIRA3HEGDE RAJESH K2
Top patents by PatentIndex Score
62 records- 0197US9621795B1Active speaker location detectionMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Apr 11, 2017·33 cites·20 claims
- 0297US8675067B2Immersive remote conferencingCHOU PHILIP A·Filed 2011·Granted Mar 18, 2014·99 cites·19 claims
- 0397US7783075B2Background blurring for video conferencingMICROSOFT CORP·Filed 2006·Granted Aug 24, 2010·49 cites·16 claims
- 0497US7065260B2Rebinning methods and arrangements for use in compressing image-based rendering (IBR) dataMICROSOFT CORP·Filed 2004·Granted Jun 20, 2006·100 cites·5 claims
- 0596US8085302B2Combined digital and mechanical tracking of a person or object using a single video cameraZHANG CHA·Filed 2005·Granted Dec 27, 2011·41 cites·19 claims
- 0695US8537196B2Multi-device capture and spatial browsing of conferencesHEGDE RAJESH K·Filed 2008·Granted Sep 17, 2013·36 cites·30 claims
- 0794US9065976B2Multi-device capture and spatial browsing of conferencesMICROSOFT CORP·Filed 2013·Granted Jun 23, 2015·15 cites·20 claims
- 0894US7110617B2Rebinning methods and arrangements for use in compressing image-based rendering (IBR) dataMICROSOFT CORP·Filed 2004·Granted Sep 19, 2006·49 cites·11 claims
- 0993US9980040B2Active speaker location detectionMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted May 22, 2018·9 cites·20 claims
- 1093US9648346B2Multi-view video compression and streaming based on viewpoints of remote viewerZHANG CHA·Filed 2009·Granted May 9, 2017·20 cites·21 claims
- 1193US9270974B2Calibration between depth and color sensors for depth camerasZHANG CHA·Filed 2011·Granted Feb 23, 2016·16 cites·20 claims
- 1293US8098842B2Enhanced beamforming for arrays of directional microphonesFLORENCIO DINEI·Filed 2007·Granted Jan 17, 2012·60 cites·20 claims
- 1393US7593333B2Efficient one-to-many content distribution in a peer-to-peer computer networkMICROSOFT CORP·Filed 2004·Granted Sep 22, 2009·116 cites·40 claims
- 1493US6693964B1Methods and arrangements for compressing image based rendering data using multiple reference frame prediction techniques that support just-in-time rendering of an imageMICROSOFT CORP·Filed 2000·Granted Feb 17, 2004·72 cites·113 claims
- 1592US9672416B2Facial expression trackingMICROSOFT CORP·Filed 2014·Granted Jun 6, 2017·16 cites·21 claims
- 1692US7840638B2Participant positioning in multimedia conferencingMICROSOFT CORP·Filed 2008·Granted Nov 23, 2010·23 cites·20 claims
- 1790US7890443B2Learning classifiers using combined boosting and weight trimmingMICROSOFT CORP·Filed 2007·Granted Feb 15, 2011·33 cites·20 claims
- 1889US9107021B2Audio spatialization using reflective room modelFLORENCIO DINEI A·Filed 2010·Granted Aug 11, 2015·17 cites·20 claims
- 1988US8233353B2Multi-sensor sound source localizationZHANG CHA·Filed 2007·Granted Jul 31, 2012·18 cites·20 claims
- 2088US7546342B2Distributed hosting of web content using partial replicationMICROSOFT CORP·Filed 2004·Granted Jun 9, 2009·58 cites·15 claims
- 2186US7885463B2Image segmentation using spatial-color Gaussian mixture modelsMICROSOFT CORP·Filed 2006·Granted Feb 8, 2011·28 cites·16 claims
- 2284US9742780B2Audio based discovery and connection to a service controllerMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Aug 22, 2017·5 cites·15 claims
- 2384US8031967B2Video noise reductionMICROSOFT CORP·Filed 2007·Granted Oct 4, 2011·8 cites·20 claims
- 2482US8024189B2Identification of people using multiple types of inputMICROSOFT CORP·Filed 2006·Granted Sep 20, 2011·14 cites·18 claims
- 2582US7589760B2Distributed presentations employing inputs from multiple video cameras located at multiple sites and customizable display screen configurationsMICROSOFT CORP·Filed 2005·Granted Sep 15, 2009·7 cites·21 claims
- 2681US8401979B2Multiple category learning for training classifiersZHANG CHA·Filed 2009·Granted Mar 19, 2013·17 cites·20 claims
- 2780US8199186B2Three-dimensional (3D) imaging based on motionparallaxFLORENCIO DINEI AFONSO FERREIRA·Filed 2009·Granted Jun 12, 2012·6 cites·19 claims
- 2879US6993074B2Methods and arrangements for handling concentric mosaic image dataMICROSOFT CORP·Filed 2001·Granted Jan 31, 2006·17 cites·76 claims
- 2978US12423949B2Knowledge driven pre-trained form key mappingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Sep 23, 2025·1 cites·14 claims
- 3078US9240056B2Video retargetingHUA GANG·Filed 2008·Granted Jan 19, 2016·5 cites·20 claims
- 3178US8276195B2Management of split audio/video streamsHEGDE RAJESH K·Filed 2008·Granted Sep 25, 2012·9 cites·20 claims
- 3278US8010471B2Multiple-instance pruning for learning efficient cascade detectorsMICROSOFT CORP·Filed 2007·Granted Aug 30, 2011·13 cites·20 claims
- 3376US8510110B2Identification of people using multiple types of inputZHANG CHA·Filed 2012·Granted Aug 13, 2013·5 cites·18 claims
- 3476US8406483B2Boosted face verificationZHANG CHA·Filed 2009·Granted Mar 26, 2013·11 cites·18 claims
- 3574US9959627B2Computing 3D shape parameters for face animationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted May 1, 2018·2 cites·20 claims
- 3674US9160966B2Imaging through a display screenZHANG CHA·Filed 2011·Granted Oct 13, 2015·2 cites·14 claims
- 3773US7822696B2Histogram-based classifiers having variable bin sizesMICROSOFT CORP·Filed 2007·Granted Oct 26, 2010·9 cites·20 claims
- 3872US9123144B2Computing 3D shape parameters for face animationSMOLYANSKIY NIKOLAY·Filed 2011·Granted Sep 1, 2015·4 cites·20 claims
- 3972US8175382B2Learning image enhancementLIU ZICHENG·Filed 2007·Granted May 8, 2012·9 cites·20 claims
- 4071US11562588B2Enhanced supervised form understandingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2020·Granted Jan 24, 2023·1 cites·22 claims
- 4171US6959120B1Rebinning methods and arrangements for use in compressing image-based rendering (IBR) dataMICROSOFT CORP·Filed 2000·Granted Oct 25, 2005·6 cites·33 claims
- 4269US9756284B2Imaging through a display screenMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Sep 5, 2017·1 cites·20 claims
- 4369US8234113B2Identification of people using multiple types of inputZHANG CHA·Filed 2011·Granted Jul 31, 2012·3 cites·20 claims
- 4467US8873840B2Reducing false detection rate using local pattern based post-filterKRUPKA EYAL·Filed 2010·Granted Oct 28, 2014·4 cites·20 claims
- 4565US9536312B2Depth reconstruction using plural depth capture unitsZHANG CHA·Filed 2011·Granted Jan 3, 2017·3 cites·20 claims
- 4665US2024371190A1Entry detection and recognition for custom formsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2024·Application pending·0 cites
- 4762US9117279B2Hair surface reconstruction from wide-baseline camera arraysMICROSOFT CORP·Filed 2013·Granted Aug 25, 2015·1 cites·20 claims
- 4861US11093740B2Supervised OCR training for custom formsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2018·Granted Aug 17, 2021·1 cites·20 claims
- 4960US6996294B2Rebinning methods and arrangements for use in compressing image-based rendering (IBR) dataMICROSOFT CORP·Filed 2004·Granted Feb 7, 2006·2 cites·11 claims
- 5055US12051256B2Entry detection and recognition for custom formsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2021·Granted Jul 30, 2024·0 cites·20 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →