Inventor · disambiguated record
Philippe De Lagrange
Also filed as: DE LAGRANGE PHILIPPE
31 granted patents·28 pending applications·34 citations·filing 2018–2025
94Inventor score
Files withINTERDIGITAL CE PATENT HOLDINGS SAS32INTERDIGITAL VC HOLDINGS INC17INTERDIGITAL VC HOLDINGS FRANCE SAS5INTERDIGITAL MADISON PATENT HOLDINGS SAS4INTERDIGITAL VC HOLDINGS FRANCE1
Top patents by PatentIndex Score
59 records- 0197US11190765B2Method and apparatus for video encoding and decoding using pattern-based block filteringINTERDIGITAL VC HOLDINGS INC·Filed 2018·Granted Nov 30, 2021·17 cites·18 claims
- 0296US12212745B2Method and apparatus for deblocking an imageINTERDIGITAL VC HOLDINGS INC·Filed 2023·Granted Jan 28, 2025·3 cites·18 claims
- 0392US11558611B2Method and apparatus for deblocking an imageINTERDIGITAL VC HOLDINGS INC·Filed 2019·Granted Jan 17, 2023·6 cites·15 claims
- 0487US11172226B2Method and apparatus for generating quantization matrices in video encoding and decodingINTERDIGITAL VC HOLDINGS INC·Filed 2018·Granted Nov 9, 2021·4 cites·20 claims
- 0584US11729417B2Generalized bi-prediction and weighted predictionINTERDIGITAL VC HOLDINGS INC·Filed 2019·Granted Aug 15, 2023·2 cites·14 claims
- 0683US12506870B2Scalar quantizer decision scheme for dependent scalar quantizationINTERDIGITAL VC HOLDINGS INC·Filed 2024·Granted Dec 23, 2025·0 cites·8 claims
- 0780US12238304B2Chroma residual scaling foreseeing a corrective value to be added to luma mapping slope valuesINTERDIGITAL MADISON PATENT HOLDINGS SAS·Filed 2020·Granted Feb 25, 2025·1 cites·21 claims
- 0878US12075051B2Scalar quantizer decision scheme for dependent scalar quantizationINTERDIGITAL VC HOLDINGS INC·Filed 2023·Granted Aug 27, 2024·0 cites·10 claims
- 0978US11381822B2Scalar quantizer decision scheme for dependent scalar quantizationINTERDIGITAL VC HOLDINGS INC·Filed 2019·Granted Jul 5, 2022·1 cites·20 claims
- 1076US12301812B2Quantization for video encoding or decoding based on the surface of a blockINTERDIGITAL VC HOLDINGS INC·Filed 2024·Granted May 13, 2025·0 cites·16 claims
- 1174US2025126254A1Method and apparatus for deblocking an imageINTERDIGITAL VC HOLDINGS INC·Filed 2024·Application pending·0 cites
- 1273US12483697B2Method and apparatus for video encoding and decoding using pattern-based block filteringINTERDIGITAL VC HOLDINGS INC·Filed 2023·Granted Nov 25, 2025·0 cites·20 claims
- 1373US11778188B2Scalar quantizer decision scheme for dependent scalar quantizationINTERDIGITAL VC HOLDINGS INC·Filed 2022·Granted Oct 3, 2023·0 cites·10 claims
- 1472US2025233997A1Quantization for video encoding or decoding based on the surface of a blockINTERDIGITAL VC HOLDINGS INC·Filed 2025·Application pending·0 cites
- 1570US2025113038A1Quantization parameter codingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2024·Application pending·0 cites
- 1670US2025047852A1Quantization matrix prediction for video encoding and decodingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2024·Application pending·0 cites
- 1770US2025301174A1High precision 4x4 dst7 and dct8 transform matricesINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2025·Application pending·0 cites
- 1869US2025071280A1Single-index quantization matrix design for video encoding and decodingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2024·Application pending·0 cites
- 1969US2025030871A1Luma to chroma quantization parameter table signalingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2024·Application pending·0 cites
- 2069US2025016328A1Estimating weighted-prediction parametersINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2024·Application pending·0 cites
- 2168US2025267307A1Method and device for image encoding and decodingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2025·Application pending·0 cites
- 2268US2023336775A1Generalized bi-prediction and weighted predictionINTERDIGITAL VC HOLDINGS INC·Filed 2023·Application pending·0 cites
- 2367US11711512B2Method and apparatus for video encoding and decoding using pattern-based block filteringINTERDIGITAL VC HOLDINGS INC·Filed 2021·Granted Jul 25, 2023·0 cites·17 claims
- 2466US11812021B2Coding of quantization matrices using parametric modelsINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2022·Granted Nov 7, 2023·0 cites·20 claims
- 2566US2025234046A1Method and device for luma mapping with cross component scalingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2025·Application pending·0 cites
- 2664US12363346B2High precision 4×4 DST7 and DCT8 transform matricesINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2022·Granted Jul 15, 2025·0 cites·14 claims
- 2764US11936868B2Quantization for video encoding or decoding based on the surface of a blockINTERDIGITAL VC HOLDINGS INC·Filed 2019·Granted Mar 19, 2024·0 cites·20 claims
- 2863US12301880B2Method and device for luma mapping with cross component scalingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2021·Granted May 13, 2025·0 cites·20 claims
- 2963US2025260818A1High-level constraint flag for local chroma quantization parameter controlINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2025·Application pending·0 cites
- 3062US2025168340A1Coding tree partitioningINTERDIGITAL MADISON PATENT HOLDINGS SAS·Filed 2025·Application pending·0 cites
- 3161US12355964B2High-level constraint flag for local chroma quantization parameter controlINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2021·Granted Jul 8, 2025·0 cites·18 claims
- 3261US12212757B2Quantization parameter codingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2020·Granted Jan 28, 2025·0 cites·20 claims
- 3361US2025159209A1Chroma residual scaling foreseeing a corrective value to be added to luma mapping slope valuesINTERDIGITAL MADISON PATENT HOLDINGS SAS·Filed 2025·Application pending·0 cites
- 3460US12335529B2Method and device for consistent interaction of signaling tools with encoding tools in video decodingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2021·Granted Jun 17, 2025·0 cites·18 claims
- 3560US12244800B2Coding tree partitioningINTERDIGITAL MADISON PATENT HOLDINGS SAS·Filed 2020·Granted Mar 4, 2025·0 cites·16 claims
- 3660US12137228B2Estimating weighted-prediction parametersINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2020·Granted Nov 5, 2024·0 cites·18 claims
- 3759US12160577B2Quantization matrix prediction for video encoding and decodingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2020·Granted Dec 3, 2024·0 cites·20 claims
- 3859US12143594B2Luma to chroma quantization parameter table signalingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2020·Granted Nov 12, 2024·0 cites·14 claims
- 3957US12170771B2Single-index quantization matrix design for video encoding and decodingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2020·Granted Dec 17, 2024·0 cites·19 claims
- 4055US12081798B2Scaling process for joint chroma coded blocksINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2020·Granted Sep 3, 2024·0 cites·14 claims
- 4154US12309357B2Coding mode information propagation for video codingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2020·Granted May 20, 2025·0 cites·19 claims
- 4254US11457214B2Coding of quantization matrices using parametric modelsINTERDIGITAL VC HOLDINGS FRANCE SAS·Filed 2019·Granted Sep 27, 2022·0 cites·20 claims
- 4352US2025252534A1Film grain synthesis using multiple correlated patternsINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2023·Application pending·0 cites
- 4451US12206852B2Derivation of quantization matrices for joint Cb-Br codingINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2020·Granted Jan 21, 2025·0 cites·20 claims
- 4549US12177446B2Method and apparatus for determining chroma quantization parameters when using separate coding trees for luma and chromaINTERDIGITAL VC HOLDINGS INC·Filed 2019·Granted Dec 24, 2024·0 cites·26 claims
- 4649US2025254331A1Video encoding and decoding using operations constraintINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2023·Application pending·0 cites
- 4749US2025343924A1Reduction of film grain patternsINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2023·Application pending·0 cites
- 4848US12388988B2Switchable interpolation filtersINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2020·Granted Aug 12, 2025·0 cites·18 claims
- 4948US2025227310A1Converting stepwise scaling function to piecewise linear for film grain syntesisINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2023·Application pending·0 cites
- 5048US2025055997A1Method and apparatus for video encoding and decoding with adaptive dependent quantizationINTERDIGITAL CE PATENT HOLDINGS SAS·Filed 2022·Application pending·0 cites
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →