Inventor · disambiguated record
Shawmin Lei
Also filed as: LEI SHAWMIN
57 granted patents·3 pending applications·1,082 citations·filing 1996–2019
99Inventor score
Files withSHARP LAB OF AMERICA INC24DOLBY LABORATORIES LICENSING CORP15SHARP KK6SHARP LAB OF AMERICA4SUN SHIJUN4
Top patents by PatentIndex Score
60 records- 0199US7450641B2Adaptive filtering based upon boundary strengthSHARP LAB OF AMERICA INC·Filed 2001·Granted Nov 11, 2008·161 cites·63 claims
- 0297USRE44497EMethod 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
- 0397USRE43628EMethod 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
- 0497US7613240B2Adaptive filtering based upon boundary strengthSHARP KK·Filed 2006·Granted Nov 3, 2009·33 cites·2 claims
- 0597US6931063B2Method 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
- 0696US8040957B2Adaptive filtering based upon boundary strengthSHARP KK·Filed 2010·Granted Oct 18, 2011·19 cites·13 claims
- 0796US8000390B2Methods and systems for efficient prediction-mode selectionSHARP LAB OF AMERICA INC·Filed 2006·Granted Aug 16, 2011·31 cites·23 claims
- 0896US7787542B2Adaptive filtering based upon boundary strengthSHARP KK·Filed 2006·Granted Aug 31, 2010·19 cites·14 claims
- 0996US7650036B2System and method for three-dimensional video codingSHARP LAB OF AMERICA INC·Filed 2004·Granted Jan 19, 2010·92 cites·35 claims
- 1096US7440501B2Method 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
- 1195US7907667B2Adaptive filtering based upon boundary strengthSHARP KK·Filed 2006·Granted Mar 15, 2011·16 cites·6 claims
- 1293US7352812B2Method 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
- 1393US7035473B1Distortion-adaptive visual frequency weightingSHARP LAB OF AMERICA INC·Filed 2000·Granted Apr 25, 2006·62 cites·4 claims
- 1492US6707952B1Method for removing ringing artifacts from locations near dominant edges of an image reconstructed after compressionSHARP LAB OF AMERICA INC·Filed 2000·Granted Mar 16, 2004·59 cites·13 claims
- 1591US8194997B2Methods and systems for tone mapping messagingSEGALL CHRISTOPHER A·Filed 2006·Granted Jun 5, 2012·15 cites·29 claims
- 1690US8036270B2Intra-frame flicker reduction in video codingSHARP LAB OF AMERICA INC·Filed 2006·Granted Oct 11, 2011·14 cites·31 claims
- 1790US6792129B1Digital watermarking in a perceptually uniform domainSHARP LAB OF AMERICA·Filed 2000·Granted Sep 14, 2004·60 cites·32 claims
- 1889US7684639B2Methods and systems for automatic digital image enhancementSHARP LAB OF AMERICA INC·Filed 2005·Granted Mar 23, 2010·20 cites·4 claims
- 1989US7006255B2Adaptive image filtering based on a distance transformSHARP LAB OF AMERICA·Filed 2001·Granted Feb 28, 2006·41 cites·21 claims
- 2087US8170101B2Methods and systems for low-complexity data compressionLEI SHAWMIN·Filed 2007·Granted May 1, 2012·11 cites·20 claims
- 2187US7684640B2Methods and systems for automatic digital image enhancement with local adjustmentSHARP LAB OF AMERICA INC·Filed 2005·Granted Mar 23, 2010·17 cites·6 claims
- 2286US8891634B2Adaptive filtering based upon boundary strengthSUN SHIJUN·Filed 2006·Granted Nov 18, 2014·4 cites·12 claims
- 2382USRE45250EMethod and apparatus for controlling loop filtering or post filtering in block based motion compensationed video codingSHARP KK·Filed 2013·Granted Nov 18, 2014·2 cites·18 claims
- 2481US7242717B2Wavelet domain motion compensation systemSHARP LAB OF AMERICA INC·Filed 2001·Granted Jul 10, 2007·21 cites·35 claims
- 2581US7050500B2Method and apparatus for motion vector coding with global motion parametersSHARP LAB OF AMERICA INC·Filed 2001·Granted May 23, 2006·19 cites·29 claims
- 2678US8107751B2DPCM with adaptive range and PCM escape modeLEI SHAWMIN·Filed 2007·Granted Jan 31, 2012·6 cites·24 claims
- 2778US5956458ASystem and method for determining representative frames of video captured by a video cameraSHARP LAB OF AMERICA INC·Filed 1996·Granted Sep 21, 1999·30 cites·21 claims
- 2877US6130911AMethod and apparatus for compressing reference frames in an interframe video codecSHARP LAB OF AMERICA INC·Filed 1997·Granted Oct 10, 2000·50 cites·25 claims
- 2976US8213500B2Methods and systems for processing film grain noiseOH BYUNG TAE·Filed 2007·Granted Jul 3, 2012·5 cites·17 claims
- 3075US6807312B2Robust codebooks for vector quantizationSHARP LAB OF AMERICA INC·Filed 2001·Granted Oct 19, 2004·20 cites·17 claims
- 3174US10349051B1Adaptive filtering based upon boundary strengthDOLBY LABORATORIES LICENSING CORP·Filed 2019·Granted Jul 9, 2019·0 cites·1 claims
- 3273US10602142B2Adaptive filtering based upon boundary strengthDOLBY LABORATORIES LICENSING CORP·Filed 2018·Granted Mar 24, 2020·0 cites·1 claims
- 3371US10257511B2Adaptive filtering based upon boundary strengthDOLBY LABORATORIES LICENSING CORP·Filed 2017·Granted Apr 9, 2019·0 cites·1 claims
- 3471US10178386B2Adaptive filtering based upon boundary strengthDOLBY LABORATORIES LICENSING CORP·Filed 2017·Granted Jan 8, 2019·0 cites·1 claims
- 3571US9124888B2Adaptive filtering based upon boundary strengthSHARP KK·Filed 2014·Granted Sep 1, 2015·0 cites·2 claims
- 3671US6658162B1Image coding method using visual optimizationSHARP LAB OF AMERICA·Filed 1999·Granted Dec 2, 2003·49 cites·10 claims
- 3770US9872024B2Adaptive filtering based upon boundary strengthDOLBY LABORATORIES LICENSING CORP·Filed 2017·Granted Jan 16, 2018·0 cites·1 claims
- 3870US9866834B2Adaptive filtering based upon boundary strengthDOLBY LABORATORIES LICENSING CORP·Filed 2017·Granted Jan 9, 2018·0 cites·1 claims
- 3969US9848191B2Adaptive filtering based upon boundary strengthDOLBY LABORATORIES LICENSING CORP·Filed 2017·Granted Dec 19, 2017·0 cites·1 claims
- 4068US9609327B1Adaptive filtering based upon boundary strengthDOLBY LABORATORIES LICENSING CORP·Filed 2016·Granted Mar 28, 2017·0 cites·1 claims
- 4168US6462788B1Method and system for removing color bleeding artifacts by filtering the chrominance plane of decompressed imagesSHARP LAB OF AMERICA·Filed 2000·Granted Oct 8, 2002·8 cites·22 claims
- 4267USRE46491EMethod and apparatus for controlling loop filtering or post filtering in block based motion compensationed video codingDOLBY LABORATORIES LICENSING CORP·Filed 2014·Granted Jul 25, 2017·0 cites·19 claims
- 4367USRE46482EMethod and apparatus for controlling loop filtering or post filtering in block based motion compensationed video codingDOLBY LABORATORIES LICENSING CORP·Filed 2014·Granted Jul 18, 2017·0 cites·19 claims
- 4467US9503759B2Adaptive filtering based upon boundary strengthDOLBY LABORATORIES LICENSING CORP·Filed 2016·Granted Nov 22, 2016·0 cites·1 claims
- 4567US9407913B2Adaptive filtering based upon boundary strengthDOLBY LABORATORIES LICENSING CORP·Filed 2016·Granted Aug 2, 2016·0 cites·1 claims
- 4667US9407914B2Adaptive filtering based upon boundary strengthDOLBY LABORATORIES LICENSING CORP·Filed 2016·Granted Aug 2, 2016·0 cites·1 claims
- 4766USRE47261EMethod and apparatus for controlling loop filtering or post filtering in block based motion compensationed video codingDOLBY LABORATORIES LICENSING CORP·Filed 2017·Granted Feb 26, 2019·0 cites·18 claims
- 4866USRE47202EMethod and apparatus for controlling loop filtering or post filtering in block based motion compensationed video codingDOLBY LABORATORIES LICENSING CORP·Filed 2017·Granted Jan 8, 2019·0 cites·18 claims
- 4966US9344730B2Adaptive filtering based upon boundary strengthDOLBY LAB LICENSING CORP·Filed 2015·Granted May 17, 2016·0 cites·2 claims
- 5062US8798173B2Adaptive filtering based upon boundary strengthSUN SHIJUN·Filed 2006·Granted Aug 5, 2014·0 cites·6 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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