Inventor · disambiguated record
Shijun Sun
Also filed as: SUN SHIJUN
115 granted patents·15 pending applications·3,051 citations·filing 1998–2025
99Inventor score
Files withSHARP LAB OF AMERICA INC35SUN SHIJUN21DOLBY LABORATORIES LICENSING CORP20MICROSOFT TECHNOLOGY LICENSING LLC14UNIV WASHINGTON10
Top patents by PatentIndex Score
130 records- 0199US7450641B2Adaptive filtering based upon boundary strengthSHARP LAB OF AMERICA INC·Filed 2001·Granted Nov 11, 2008·161 cites·63 claims
- 0299US6731799B1Object segmentation with background extraction and moving boundary techniquesUNIV WASHINGTON·Filed 2000·Granted May 4, 2004·497 cites·35 claims
- 0398US11902525B2Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Feb 13, 2024·3 cites·20 claims
- 0498US11528481B2Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2021·Granted Dec 13, 2022·4 cites·20 claims
- 0598US10306227B2Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted May 28, 2019·14 cites·20 claims
- 0698US8606009B2High dynamic range image generation and renderingSUN SHIJUN·Filed 2010·Granted Dec 10, 2013·52 cites·24 claims
- 0798US7535383B2Methods and systems for signaling multi-layer bitstream dataSHARP LAB OF AMERICA INC·Filed 2007·Granted May 19, 2009·71 cites·19 claims
- 0897US11122268B2Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Sep 14, 2021·10 cites·20 claims
- 0997USRE44497EMethod and apparatus for controlling loop filtering or post filtering in block based motion compensationed video codingSUN SHIJUN·Filed 2012·Granted Sep 17, 2013·21 cites·19 claims
- 1097US8331450B2Methods and systems for image intra-prediction mode managementSUN SHIJUN·Filed 2008·Granted Dec 11, 2012·36 cites·2 claims
- 1197US8279927B2Methods and systems for image intra-prediction mode managementSUN SHIJUN·Filed 2008·Granted Oct 2, 2012·34 cites·5 claims
- 1297USRE43628EMethod and apparatus for controlling loop filtering or post filtering in block based motion compensationed video codingSUN SHIJUN·Filed 2010·Granted Sep 4, 2012·24 cites·17 claims
- 1397US8233538B2Methods and systems for image intra-prediction mode managementSUN SHIJUN·Filed 2008·Granted Jul 31, 2012·36 cites·3 claims
- 1497US8213503B2Skip modes for inter-layer residual video coding and decodingTU CHENGJIE·Filed 2008·Granted Jul 3, 2012·55 cites·29 claims
- 1597US7929610B2Methods and systems for reducing blocking artifacts with reduced complexity for spatially-scalable video codingSHARP KK·Filed 2006·Granted Apr 19, 2011·40 cites·18 claims
- 1697US7889790B2Method and apparatus for dynamically adjusting quantization offset valuesSHARP LAB OF AMERICA INC·Filed 2005·Granted Feb 15, 2011·59 cites·18 claims
- 1797US7613240B2Adaptive filtering based upon boundary strengthSHARP KK·Filed 2006·Granted Nov 3, 2009·33 cites·2 claims
- 1897US7386048B2Methods and systems for image intra-prediction mode organizationSHARP LAB OF AMERICA INC·Filed 2003·Granted Jun 10, 2008·84 cites·10 claims
- 1997US6931063B2Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video codingSHARP LAB OF AMERICA INC·Filed 2001·Granted Aug 16, 2005·64 cites·5 claims
- 2097US6677868B2Entropy coding with adaptive syntax to replace high probability symbols with lower probabilities symbolsSHARP LAB OF AMERICA INC·Filed 2001·Granted Jan 13, 2004·124 cites·16 claims
- 2196US9571840B2Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Feb 14, 2017·14 cites·34 claims
- 2296US9185418B2Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Nov 10, 2015·11 cites·20 claims
- 2396US8897359B2Adaptive quantization for enhancement layer video codingREGUNATHAN SHANKAR·Filed 2008·Granted Nov 25, 2014·22 cites·20 claims
- 2496US8228986B2Methods and systems for image intra-prediction mode managementSUN SHIJUN·Filed 2008·Granted Jul 24, 2012·23 cites·2 claims
- 2596US8040957B2Adaptive filtering based upon boundary strengthSHARP KK·Filed 2010·Granted Oct 18, 2011·19 cites·13 claims
- 2696US7961963B2Methods and systems for extended spatial scalability with picture-level adaptationSHARP LAB OF AMERICA INC·Filed 2006·Granted Jun 14, 2011·36 cites·20 claims
- 2796US7787542B2Adaptive filtering based upon boundary strengthSHARP KK·Filed 2006·Granted Aug 31, 2010·19 cites·14 claims
- 2896US7650036B2System and method for three-dimensional video codingSHARP LAB OF AMERICA INC·Filed 2004·Granted Jan 19, 2010·92 cites·35 claims
- 2996US7440501B2Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video codingSHARP LAB OF AMERICA INC·Filed 2005·Granted Oct 21, 2008·20 cites·17 claims
- 3096US6480615B1Motion estimation within a sequence of data frames using optical flow with adaptive gradientsUNIV WASHINGTON·Filed 1999·Granted Nov 12, 2002·214 cites·17 claims
- 3195US9571856B2Conversion operations in scalable video encoding and decodingSUN SHIJUN·Filed 2008·Granted Feb 14, 2017·24 cites·20 claims
- 3295US8964854B2Motion-compensated prediction of inter-layer residualsMICROSOFT CORP·Filed 2014·Granted Feb 24, 2015·19 cites·20 claims
- 3395US8860785B2Stereo 3D video support in computing devicesJI GANG·Filed 2010·Granted Oct 14, 2014·26 cites·20 claims
- 3495US7907667B2Adaptive filtering based upon boundary strengthSHARP KK·Filed 2006·Granted Mar 15, 2011·16 cites·6 claims
- 3594USRE43567EMethods and systems for image intra-prediction mode estimationSUN SHIJUN·Filed 2009·Granted Aug 7, 2012·24 cites·17 claims
- 3694US7236524B2Methods and systems for image intra-prediction mode communicationSHARP LAB OF AMERICA INC·Filed 2003·Granted Jun 26, 2007·82 cites·15 claims
- 3793US7352812B2Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video codingSHARP LAB OF AMERICA INC·Filed 2002·Granted Apr 1, 2008·34 cites·21 claims
- 3892US9374590B2Methods and systems for image intra-prediction mode managementDOLBY LAB LICENSING CORP·Filed 2012·Granted Jun 21, 2016·7 cites·1 claims
- 3992US8750390B2Filtering and dithering as pre-processing before encodingSUN SHIJUN·Filed 2008·Granted Jun 10, 2014·24 cites·25 claims
- 4092US8175168B2Methods and systems for picture up-samplingSUN SHIJUN·Filed 2006·Granted May 8, 2012·18 cites·15 claims
- 4192US7289672B2Methods and systems for image intra-prediction mode estimationSHARP LAB OF AMERICA INC·Filed 2003·Granted Oct 30, 2007·49 cites·12 claims
- 4292US6912310B1Video object segmentation using active contour model with directional informationUNIV WASHINGTON·Filed 2000·Granted Jun 28, 2005·70 cites·15 claims
- 4391US12112001B1Preventing false activations based on don/doff detection for assistant systemsMETA PLATFORMS INC·Filed 2023·Granted Oct 8, 2024·3 cites·18 claims
- 4491US9774868B2Methods and systems for image intra-prediction mode managementDOLBY LABORATORIES LICENSING CORP·Filed 2017·Granted Sep 26, 2017·4 cites·1 claims
- 4591US7227896B2Method and apparatus for global motion estimationSHARP LAB OF AMERICA INC·Filed 2002·Granted Jun 5, 2007·45 cites·20 claims
- 4691US6535632B1Image processing in HSI color space using adaptive noise filteringUNIV WASHINGTON·Filed 1999·Granted Mar 18, 2003·120 cites·32 claims
- 4790US8179974B2Multi-level representation of reordered transform coefficientsTU CHENGJIE·Filed 2008·Granted May 15, 2012·13 cites·29 claims
- 4890US7792370B2Residual color transform for 4:2:0 RGB formatSHARP LAB OF AMERICA INC·Filed 2005·Granted Sep 7, 2010·14 cites·15 claims
- 4990US6546117B1Video object segmentation using active contour modelling with global relaxationUNIV WASHINGTON·Filed 1999·Granted Apr 8, 2003·101 cites·20 claims
- 5089US7006255B2Adaptive image filtering based on a distance transformSHARP LAB OF AMERICA·Filed 2001·Granted Feb 28, 2006·41 cites·21 claims
Showing the top 50 of 130 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Shijun Sun files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →