Inventor · disambiguated record
Qian Xu
Also filed as: XU QIAN · XU QIAN G · XU QIAN GAO
88 granted patents·21 pending applications·268 citations·filing 2005–2025
99Inventor score
Top patents by PatentIndex Score
109 records- 0196US12022108B2Methods and apparatus for adaptive motion vector candidate ordering for video encoding and decodingINTERDIGITAL VC HOLDINGS INC·Filed 2022·Granted Jun 25, 2024·2 cites·20 claims
- 0293US11082697B2Methods and apparatus for signaling intra prediction for large blocks for video encoders and decodersINTERDIGITAL VC HOLDINGS INC·Filed 2017·Granted Aug 3, 2021·6 cites·6 claims
- 0393US10721490B2Methods and apparatus for adaptive motion vector candidate ordering for video encoding and decodingINTERDIGITAL VC HOLDINGS INC·Filed 2018·Granted Jul 21, 2020·5 cites·29 claims
- 0493US10021412B2Methods and apparatus for adaptive motion vector candidate ordering for video encoding and decodingTHOMSON LICENSING·Filed 2016·Granted Jul 10, 2018·6 cites·33 claims
- 0593US9510009B2Methods and apparatus for adaptive motion vector candidate ordering for video encoding and decodingGUO LIWEI·Filed 2011·Granted Nov 29, 2016·11 cites·49 claims
- 0692US12120307B2Methods and apparatus for signaling intra prediction for large blocks for video encoders and decodersINTERDIGITAL VC HOLDINGS INC·Filed 2023·Granted Oct 15, 2024·1 cites·12 claims
- 0792US9235774B2Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parametersLU XIAOAN·Filed 2011·Granted Jan 12, 2016·9 cites·4 claims
- 0892US7730238B1Buffer management method and system with two thresholdsAGERE SYSTEM INC·Filed 2006·Granted Jun 1, 2010·33 cites·15 claims
- 0990US11381818B2Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parametersINTERDIGITAL VC HOLDINGS INC·Filed 2020·Granted Jul 5, 2022·2 cites·17 claims
- 1090US11049266B2Point cloud viewpoint and scalable compression/decompressionINTEL CORP·Filed 2018·Granted Jun 29, 2021·10 cites·12 claims
- 1190US9883207B2Methods and apparatus for adaptive coupled pre-processing and post-processing filters for video encoding and decodingMISRA KIRAN·Filed 2010·Granted Jan 30, 2018·11 cites·28 claims
- 1290US9661336B2Methods and apparatus for video encoding and decoding binary sets using adaptive tree selectionSOLE JOEL·Filed 2012·Granted May 23, 2017·6 cites·2 claims
- 1390US9621925B2Methods and apparatus for video encoding and decoding binary sets using adaptive tree selectionSOLE JOEL·Filed 2010·Granted Apr 11, 2017·6 cites·14 claims
- 1487US9503743B2Methods and apparatus for uni-prediction of self-derivation of motion estimationGUO LIWEI·Filed 2011·Granted Nov 22, 2016·7 cites·37 claims
- 1587US9326003B2Methods and apparatus for video encoding and decoding using adaptive geometric partitioningGUO LIWEI·Filed 2010·Granted Apr 26, 2016·8 cites·24 claims
- 1687US8073052B1Layered Wyner-Ziv video coding for transmission over unreliable channelsXU QIAN·Filed 2006·Granted Dec 6, 2011·20 cites·27 claims
- 1787US2025350743A1Methods and apparatus for intra coding a block having pixels assigned to groupsINTERDIGITAL VC HOLDINGS INC·Filed 2025·Application pending·0 cites
- 1887US2025184502A1Methods and apparatus for video encoding and decoding binary sets using adaptive tree selectionINTERDIGITAL VC HOLDINGS INC·Filed 2024·Application pending·0 cites
- 1986US12206868B2Methods and apparatus for video encoding and decoding binary sets using adaptive tree selectionINTERDIGITAL VC HOLDINGS INC·Filed 2024·Granted Jan 21, 2025·0 cites·20 claims
- 2086US9736500B2Methods and apparatus for spatially varying residue codingSOLE JOEL·Filed 2010·Granted Aug 15, 2017·7 cites·32 claims
- 2186US7587549B1Buffer management method and system with access grant based on queue scoreAGERE SYSTEMS INC·Filed 2006·Granted Sep 8, 2009·17 cites·22 claims
- 2285US12425637B2Methods and apparatus for adaptive motion vector candidate ordering for video encoding and decodingINTERDIGITAL VC HOLDINGS INC·Filed 2024·Granted Sep 23, 2025·0 cites·20 claims
- 2385US11936876B2Methods and apparatus for signaling intra prediction for large blocks for video encoders and decodersINTERDIGITAL VC HOLDINGS INC·Filed 2021·Granted Mar 19, 2024·1 cites·18 claims
- 2485US9743081B2Methods and apparatus for collaborative partition coding for region based filtersSOLE JOEL·Filed 2010·Granted Aug 22, 2017·4 cites·20 claims
- 2585US2025386017A1Methods and apparatus for collaborative partition coding for region based filtersINTERDIGITAL VC HOLDINGS INC·Filed 2025·Application pending·0 cites
- 2684US12512854B2Methods and apparatus for unified significance map codingINTERDIGITAL MADISON PATENT HOLDINGS SAS·Filed 2024·Granted Dec 30, 2025·0 cites·24 claims
- 2784US9001889B2Methods and apparatus for improved quantization rounding offset adjustment for video encoding and decodingLU XIAOAN·Filed 2010·Granted Apr 7, 2015·6 cites·21 claims
- 2883US9628788B2Methods and apparatus for implicit adaptive motion vector predictor selection for video encoding and decodingZHENG YUNFEI·Filed 2011·Granted Apr 18, 2017·7 cites·9 claims
- 2983US9277245B2Methods and apparatus for constrained transforms for video coding and decoding having transform selectionSOLE JOEL·Filed 2011·Granted Mar 1, 2016·5 cites·29 claims
- 3083US7739421B1Buffer management method and system with data displayed directly from buffersAGERE SYSTEMS INC·Filed 2006·Granted Jun 15, 2010·10 cites·20 claims
- 3182US11185957B2Multi-axis machine tool and methods of controlling the sameELECTRO SCIENT IND INC·Filed 2020·Granted Nov 30, 2021·1 cites·3 claims
- 3282US10742981B2Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parametersINTERDIGITAL VC HOLDINGS INC·Filed 2019·Granted Aug 11, 2020·1 cites·9 claims
- 3382US10743027B2Methods and apparatus for adaptive template matching prediction for video encoding and decodingZHENG YUNFEI·Filed 2010·Granted Aug 11, 2020·5 cites·22 claims
- 3482US10547840B2Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parametersINTERDIGITAL VC HOLDINGS INC·Filed 2019·Granted Jan 28, 2020·1 cites·16 claims
- 3582US9615108B2Methods and apparatus for adaptive probability update for non-coded syntaxSOLE JOEL·Filed 2010·Granted Apr 4, 2017·5 cites·19 claims
- 3681US12413742B2Methods and apparatus for intra coding a block having pixels assigned to groupsINTERDIGITAL VC HOLDINGS INC·Filed 2023·Granted Sep 9, 2025·0 cites·21 claims
- 3781US12375654B2Methods and apparatus for collaborative partition coding for region based filtersINTERDIGITAL VC HOLDINGS INC·Filed 2023·Granted Jul 29, 2025·0 cites·20 claims
- 3880US12034941B2Methods and apparatus for video encoding and decoding binary sets using adaptive tree selectionINTERDIGITAL VC HOLDINGS INC·Filed 2022·Granted Jul 9, 2024·0 cites·20 claims
- 3980US10334247B2Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parametersINTERDIGITAL VC HOLDINGS INC·Filed 2017·Granted Jun 25, 2019·1 cites·16 claims
- 4080US9819952B2Methods and apparatus for embedded quantization parameter adjustment in video encoding and decodingLU XIAOAN·Filed 2010·Granted Nov 14, 2017·3 cites·29 claims
- 4180US2024430433A1Methods and apparatus for signaling intra prediction for large blocks for video encoders and decodersINTERDIGITAL VC HOLDINGS INC·Filed 2024·Application pending·0 cites
- 4279US11942969B2Methods and apparatus for unified significance map codingINTERDIGITAL MADISON PATENT HOLDINGS SAS·Filed 2023·Granted Mar 26, 2024·0 cites·15 claims
- 4379US9288494B2Methods and apparatus for implicit and semi-implicit intra mode signaling for video encoders and decodersXU QIAN·Filed 2010·Granted Mar 15, 2016·4 cites·32 claims
- 4479US8001417B2Method and apparatus for repairing uncorrectable drive errors in an integrated network attached storage deviceAGERE SYSTEMS INC·Filed 2007·Granted Aug 16, 2011·12 cites·22 claims
- 4578US10080024B2Methods and apparatus for intra coding a block having pixels assigned to groupsXU QIAN·Filed 2011·Granted Sep 18, 2018·2 cites·45 claims
- 4677US11722669B2Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parametersINTERDIGITAL VC HOLDINGS INC·Filed 2022·Granted Aug 8, 2023·0 cites·20 claims
- 4777US9253495B2Methods and apparatus for improved chroma transforms for inter frames in video encoding and decodingLU XIAOAN·Filed 2010·Granted Feb 2, 2016·3 cites·13 claims
- 4877US9154798B2Methods and apparatus for efficient video encoding and decoding of intra prediction modeGUO LIWEI·Filed 2010·Granted Oct 6, 2015·3 cites·57 claims
- 4977US8315306B2Distributed joint source-channel coding of video using raptor codesXU QIAN·Filed 2006·Granted Nov 20, 2012·5 cites·36 claims
- 5076US11895296B2Methods and apparatus for collaborative partition coding for region based filtersINTERDIGITAL VC HOLDINGS INC·Filed 2022·Granted Feb 6, 2024·0 cites·22 claims
Showing the top 50 of 109 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →