Inventor · disambiguated record
Jiefu Zhai
Also filed as: ZHAI JIEFU
56 granted patents·14 pending applications·232 citations·filing 2005–2024
98Inventor score
Top patents by PatentIndex Score
70 records- 0197US9992450B1Systems and methods for background concealment in video conferencing sessionAPPLE INC·Filed 2017·Granted Jun 5, 2018·36 cites·34 claims
- 0297US9215466B2Joint frame rate and resolution adaptationZHAI JIEFU·Filed 2011·Granted Dec 15, 2015·50 cites·14 claims
- 0396US7847861B2Method and apparatus for encoding video pictures, and method and apparatus for decoding video picturesTHOMSON LICENSING·Filed 2006·Granted Dec 7, 2010·40 cites·5 claims
- 0493US10523913B2Packed image format for multi-directional videoAPPLE INC·Filed 2017·Granted Dec 31, 2019·8 cites·36 claims
- 0592US8346009B2Automatic exposure estimation for HDR images based on image statisticsTHOMSON LICENSING·Filed 2010·Granted Jan 1, 2013·9 cites·14 claims
- 0691US12096044B2Adaptive coding and streaming of multi-directional videoAPPLE INC·Filed 2023·Granted Sep 17, 2024·1 cites·18 claims
- 0788US10038919B2In loop chroma deblocking filterAPPLE INC·Filed 2014·Granted Jul 31, 2018·6 cites·15 claims
- 0888US8737738B2Parameters interpolation for high dynamic range video tone mappingWANG ZHE·Filed 2011·Granted May 27, 2014·11 cites·15 claims
- 0987US9087382B2Zone-based tone mappingZHAI JIEFU·Filed 2010·Granted Jul 21, 2015·11 cites·14 claims
- 1086US9264661B2Adaptive post-processing for mobile video calling systemAPPLE INC·Filed 2013·Granted Feb 16, 2016·5 cites·35 claims
- 1184US10999583B2Scalability of multi-directional video streamingAPPLE INC·Filed 2018·Granted May 4, 2021·3 cites·22 claims
- 1283US11093752B2Object tracking in multi-view videoAPPLE INC·Filed 2017·Granted Aug 17, 2021·5 cites·22 claims
- 1382US11818394B2Sphere projected motion estimation/compensation and mode decisionAPPLE INC·Filed 2021·Granted Nov 14, 2023·1 cites·21 claims
- 1482US11259046B2Processing of equirectangular object data to compensate for distortion by spherical projectionsAPPLE INC·Filed 2017·Granted Feb 22, 2022·3 cites·32 claims
- 1582US11240492B2Neural network based residual coding and prediction for predictive codingAPPLE INC·Filed 2019·Granted Feb 1, 2022·3 cites·16 claims
- 1682US9679365B2Processing high dynamic range imagesTHOMSON LICENSING·Filed 2012·Granted Jun 13, 2017·6 cites·30 claims
- 1781US10432946B2De-juddering techniques for coded videoAPPLE INC·Filed 2015·Granted Oct 1, 2019·3 cites·24 claims
- 1881US10021411B2Techniques in backwards compatible multi-layer compression of HDR videoAPPLE INC·Filed 2015·Granted Jul 10, 2018·3 cites·22 claims
- 1980US12513344B2Adaptive coding and streaming of multi-directional videoAPPLE INC·Filed 2024·Granted Dec 30, 2025·0 cites·20 claims
- 2080US8345975B2Automatic exposure estimation for HDR images based on image statisticsTHOMSON LICENSING·Filed 2010·Granted Jan 1, 2013·4 cites·15 claims
- 2178US10999602B2Sphere projected motion estimation/compensation and mode decisionAPPLE INC·Filed 2016·Granted May 4, 2021·2 cites·32 claims
- 2278US9729870B2Video coding efficiency with camera metadataAPPLE INC·Filed 2012·Granted Aug 8, 2017·3 cites·33 claims
- 2373US10366497B2Image/video editor with automatic occlusion detection and croppingAPPLE INC·Filed 2017·Granted Jul 30, 2019·2 cites·19 claims
- 2472US12192440B2Neural network based residual coding and prediction for predictive codingAPPLE INC·Filed 2022·Granted Jan 7, 2025·0 cites·22 claims
- 2571US9412335B2Color calibration and compensation for 3D display systemsWANG ZHE·Filed 2010·Granted Aug 9, 2016·2 cites·14 claims
- 2670US10924747B2Video coding techniques for multi-view videoAPPLE INC·Filed 2017·Granted Feb 16, 2021·1 cites·26 claims
- 2769US10754242B2Adaptive resolution and projection format in multi-direction videoAPPLE INC·Filed 2017·Granted Aug 25, 2020·1 cites·22 claims
- 2869US8897580B2Error diffusion with color conversion and encodingAPPLE INC·Filed 2012·Granted Nov 25, 2014·1 cites·21 claims
- 2968US8639056B2Contrast enhancementZHAI JIEFU·Filed 2010·Granted Jan 28, 2014·4 cites·8 claims
- 3067US11627343B2Adaptive coding and streaming of multi-directional videoAPPLE INC·Filed 2021·Granted Apr 11, 2023·0 cites·19 claims
- 3167US9336578B2Interactive tone mapping for high dynamic range videoWANG ZHE·Filed 2010·Granted May 10, 2016·2 cites·22 claims
- 3266US11818502B2Systems and methods for perspective shifting in video conferencing sessionAPPLE INC·Filed 2022·Granted Nov 14, 2023·0 cites·21 claims
- 3365US10402677B2Hierarchical sharpness evaluationAPPLE INC·Filed 2017·Granted Sep 3, 2019·1 cites·22 claims
- 3464US10536731B2Techniques for HDR/WCR video codingAPPLE INC·Filed 2015·Granted Jan 14, 2020·1 cites·26 claims
- 3564US8199816B2Method and apparatus for encoding enhancement layer video dataCHEN YING·Filed 2006·Granted Jun 12, 2012·1 cites·10 claims
- 3663US10992919B2Packed image format for multi-directional videoAPPLE INC·Filed 2019·Granted Apr 27, 2021·0 cites·12 claims
- 3763US10108314B2Method and system for displaying and processing high dynamic range video and imagesZHAI JIEFU·Filed 2011·Granted Oct 23, 2018·2 cites·12 claims
- 3863US8385432B2Method and apparatus for encoding video data, and method and apparatus for decoding video dataTHOMSON LICENSING·Filed 2006·Granted Feb 26, 2013·1 cites·12 claims
- 3962US10939139B2Adaptive coding and streaming of multi-directional videoAPPLE INC·Filed 2018·Granted Mar 2, 2021·0 cites·32 claims
- 4062US10616498B2High dynamic range video capture control for video transmissionAPPLE INC·Filed 2019·Granted Apr 7, 2020·0 cites·37 claims
- 4161US11847823B2Object and keypoint detection system with low spatial jitter, low latency and low power usageAPPLE INC·Filed 2021·Granted Dec 19, 2023·0 cites·18 claims
- 4261US11102515B2In loop chroma deblocking filterAPPLE INC·Filed 2020·Granted Aug 24, 2021·0 cites·22 claims
- 4360US10708623B2In loop chroma deblocking filterAPPLE INC·Filed 2018·Granted Jul 7, 2020·0 cites·15 claims
- 4458US12395641B2Hybrid neural network based end-to-end image and video coding methodAPPLE INC·Filed 2022·Granted Aug 19, 2025·0 cites·31 claims
- 4557US2023147442A1Modular Machine Learning ArchitectureAPPLE INC·Filed 2022·Application pending·0 cites
- 4656US11394921B2Systems and methods for perspective shifting in video conferencing sessionAPPLE INC·Filed 2017·Granted Jul 19, 2022·0 cites·34 claims
- 4756US2021227236A1Scalability of multi-directional video streamingAPPLE INC·Filed 2021·Application pending·0 cites
- 4854US10652578B2Processing of multi-directional images in spatially-ordered video coding applicationsAPPLE INC·Filed 2018·Granted May 12, 2020·0 cites·33 claims
- 4954US9729818B2Adaptive post-processing for mobile video calling systemAPPLE INC·Filed 2016·Granted Aug 8, 2017·0 cites·20 claims
- 5054US2013235928A1Advanced coding techniquesAPPLE INC·Filed 2012·Application pending·0 cites
Showing the top 50 of 70 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →