Inventor · disambiguated record
Cheung Auyeung
Also filed as: AUYEUNG CHEUNG
72 granted patents·17 pending applications·811 citations·filing 1994–2025
99Inventor score
Top patents by PatentIndex Score
89 records- 0199US11343516B2Signaling of video coding tools supporting various chroma formatsTencent America LLC·Filed 2020·Granted May 24, 2022·11 cites·18 claims
- 0296US11553190B2Extensions of motion-constrained tile sets SEI message for interactivitySONY CORP·Filed 2020·Granted Jan 10, 2023·4 cites·16 claims
- 0396US11483591B2Method and apparatus for video codingTencent America LLC·Filed 2021·Granted Oct 25, 2022·4 cites·9 claims
- 0495US9843812B2Video transmission system with color gamut partitioning and method of operation thereofSONY CORP·Filed 2015·Granted Dec 12, 2017·13 cites·20 claims
- 0594US8199823B2Estimation of B frame average rate quantization parameter (QP) in a group of pictures (GOP)AUYEUNG CHEUNG·Filed 2008·Granted Jun 12, 2012·22 cites·22 claims
- 0694US8189677B2Estimation of P frame average rate quantization parameter (QP) in a group of pictures (GOP)AUYEUNG CHEUNG·Filed 2008·Granted May 29, 2012·25 cites·34 claims
- 0793US12096040B2Disabling coding tool for active color transformTencent America LLC·Filed 2023·Granted Sep 17, 2024·1 cites·20 claims
- 0893US11418792B2Estimating attributes for the classification of adaptive loop filtering based on projection-slice theoremTencent America LLC·Filed 2021·Granted Aug 16, 2022·3 cites·20 claims
- 0993US7751631B2Bypass using sum of absolute transformed differences value (SATD) in a video coding processSONY CORP·Filed 2006·Granted Jul 6, 2010·21 cites·20 claims
- 1092US8861599B2Context reduction for last transform position codingAUYEUNG CHEUNG·Filed 2012·Granted Oct 14, 2014·15 cites·19 claims
- 1190US11463691B2Region adaptive loop filter for video codingTencent America LLC·Filed 2021·Granted Oct 4, 2022·2 cites·20 claims
- 1290US5619341AMethod and apparatus for preventing overflow and underflow of an encoder buffer in a video compression systemMOTOROLA INC·Filed 1995·Granted Apr 8, 1997·131 cites·7 claims
- 1389US5537155AMethod for estimating motion in a video sequenceMOTOROLA INC·Filed 1994·Granted Jul 16, 1996·104 cites·8 claims
- 1488US11272187B2Method and apparatus for video codingTencent America LLC·Filed 2020·Granted Mar 8, 2022·2 cites·20 claims
- 1588US5473376AMethod and apparatus for adaptive entropy encoding/decoding of quantized transform coefficients in a video compression systemMOTOROLA INC·Filed 1994·Granted Dec 5, 1995·85 cites·18 claims
- 1687US11563978B2Method of reducing context models for entropy coding of transform coefficient significant flagTencent America LLC·Filed 2021·Granted Jan 24, 2023·1 cites·20 claims
- 1787US11190777B2Method and apparatus for video codingTencent America LLC·Filed 2020·Granted Nov 30, 2021·2 cites·18 claims
- 1882US10390024B2Region of interest scalability with SHVCSONY CORP·Filed 2014·Granted Aug 20, 2019·4 cites·18 claims
- 1982US7136541B2Method of performing sub-pixel based edge-directed image interpolationSONY ELECTRONICS INC·Filed 2002·Granted Nov 14, 2006·31 cites·28 claims
- 2081US10368078B2Extensions of motion-constrained tile sets SEI message for interactivitySONY CORP·Filed 2014·Granted Jul 30, 2019·3 cites·12 claims
- 2181US8396118B2System and method to control compressed video picture quality for a given average bit rateAUYEUNG CHEUNG·Filed 2007·Granted Mar 12, 2013·6 cites·28 claims
- 2278US12212780B2Reducing context models for entropy coding of transform coefficientsTencent America LLC·Filed 2023·Granted Jan 28, 2025·0 cites·20 claims
- 2378US5764307AMethod and apparatus for spatially adaptive filtering for video encodingMOTOROLA INC·Filed 1995·Granted Jun 9, 1998·60 cites·24 claims
- 2478US5506686AMethod and device for determining bit allocation in a video compression systemMOTOROLA INC·Filed 1994·Granted Apr 9, 1996·45 cites·28 claims
- 2577US7027510B2Method of estimating backward motion vectors within a video sequenceSONY ELECTRONICS INC·Filed 2002·Granted Apr 11, 2006·14 cites·30 claims
- 2676US6934332B1Motion estimation using predetermined pixel patterns and subpatternsVWEB CORP·Filed 2001·Granted Aug 23, 2005·17 cites·19 claims
- 2775US8160141B2Advanced video coded pictures—reduced cost computation of an intra mode decision in the frequency domainAUYEUNG CHEUNG·Filed 2008·Granted Apr 17, 2012·4 cites·21 claims
- 2874US12137250B2Signaling of coding tools for encoding a video component as monochrome videoTencent America LLC·Filed 2022·Granted Nov 5, 2024·0 cites·18 claims
- 2974US11805277B2Reducing context models for entropy coding of transform coefficientsTencent America LLC·Filed 2022·Granted Oct 31, 2023·0 cites·20 claims
- 3073US5677969AMethod, rate controller, and system for preventing overflow and underflow of a decoder buffer in a video compression systemMOTOROLA INC·Filed 1995·Granted Oct 14, 1997·46 cites·35 claims
- 3173US5486863AMethod for determining whether to intra code a video blockMOTOROLA INC·Filed 1994·Granted Jan 23, 1996·34 cites·11 claims
- 3273US2025184514A1Complexity reduction of significance map codingSONY GROUP CORP·Filed 2025·Application pending·0 cites
- 3372US11706459B2Signaling of coding tools for encoding a video component as monochrome videoTencent America LLC·Filed 2021·Granted Jul 18, 2023·0 cites·20 claims
- 3471US11722701B2Signaling of coding tools for encoding a video component as monochrome videoTencent America LLC·Filed 2021·Granted Aug 8, 2023·0 cites·20 claims
- 3570US8249150B2SIMD-processor-friendly MPEG-2 inter-quantizerAUYEUNG CHEUNG·Filed 2008·Granted Aug 21, 2012·2 cites·24 claims
- 3670US8199814B2Estimation of I frame average rate quantization parameter (QP) in a group of pictures (GOP)AUYEUNG CHEUNG·Filed 2008·Granted Jun 12, 2012·2 cites·22 claims
- 3769US11368723B2Signaling of coding tools for encoding a video component as monochrome videoTencent America LLC·Filed 2020·Granted Jun 21, 2022·0 cites·17 claims
- 3869US8249151B2SIMD-processor-friendly MPEG-2 intra-quantizerAUYEUNG CHEUNG·Filed 2008·Granted Aug 21, 2012·2 cites·24 claims
- 3969US2025016315A1Local blur and illumination compensationTencent America LLC·Filed 2024·Application pending·0 cites
- 4069US2024388698A1Bi-prediction without signaling cu-level weightsTencent America LLC·Filed 2024·Application pending·0 cites
- 4168US12058332B2Sign predictionTencent America LLC·Filed 2023·Granted Aug 6, 2024·0 cites·20 claims
- 4268US11882298B2Signaling of video coding tools supporting various chroma formatTencent America LLC·Filed 2022·Granted Jan 23, 2024·0 cites·20 claims
- 4368US7426462B2Fast codebook selection method in audio encodingSONY CORP·Filed 2003·Granted Sep 16, 2008·21 cites·22 claims
- 4468US6813315B1Motion estimation using multiple search windowsVWEB CORP·Filed 2001·Granted Nov 2, 2004·15 cites·10 claims
- 4567US8634669B2Fast implementation of context selection of significance mapAUYEUNG CHEUNG·Filed 2012·Granted Jan 21, 2014·1 cites·8 claims
- 4666US11711515B2Coding method and system with improved transform domain coefficient computationTencent America LLC·Filed 2022·Granted Jul 25, 2023·0 cites·20 claims
- 4766US11212555B2Method of reducing context models for entropy coding of transform coefficient significant flagTencent America LLC·Filed 2020·Granted Dec 28, 2021·0 cites·14 claims
- 4865US11843767B2Method to extend the range of rice parameter for residual coding in transform skip modeTencent America LLC·Filed 2022·Granted Dec 12, 2023·0 cites·20 claims
- 4964US11838522B2Method and apparatus for video codingTencent America LLC·Filed 2021·Granted Dec 5, 2023·0 cites·20 claims
- 5064US2021243464A1Complexity reduction of significance map codingSONY GROUP CORP·Filed 2021·Application pending·0 cites
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