Inventor · Cesson-Sévigné, FR

Philippe De Lagrange

30Patents
2h-index
14Co-inventors
46Inventor score

Filing activity: Sep 6, 2018 → Jan 2, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US11190765B2 Method and apparatus for video encoding and decoding using pattern-based block filtering Electricity 17 Active
US11558611B2 Method and apparatus for deblocking an image Electricity 2 Active
US11172226B2 Method and apparatus for generating quantization matrices in video encoding and decoding Electricity 2 Active
US12238304B2 Chroma residual scaling foreseeing a corrective value to be added to luma mapping slope values Electricity 1 Active
US12244800B2 Coding tree partitioning Electricity 0 Active
US12212745B2 Method and apparatus for deblocking an image Electricity 0 Active
US11778188B2 Scalar quantizer decision scheme for dependent scalar quantization Electricity 0 Active
US12335529B2 Method and device for consistent interaction of signaling tools with encoding tools in video decoding Electricity 0 Active
US11812021B2 Coding of quantization matrices using parametric models Electricity 0 Active
US12388988B2 Switchable interpolation filters Electricity 0 Active
US12250378B2 High-level constraint flag for local chroma quantization parameter control General 0 Revoked
US11936868B2 Quantization for video encoding or decoding based on the surface of a block Electricity 0 Active
US12309357B2 Coding mode information propagation for video coding Electricity 0 Active
US12212757B2 Quantization parameter coding Electricity 0 Active
US12170771B2 Single-index quantization matrix design for video encoding and decoding Electricity 0 Active
US12137228B2 Estimating weighted-prediction parameters Electricity 0 Active
US12160577B2 Quantization matrix prediction for video encoding and decoding Electricity 0 Active
US11457214B2 Coding of quantization matrices using parametric models Electricity 0 Active
US12206852B2 Derivation of quantization matrices for joint Cb-Br coding Electricity 0 Active
US12177446B2 Method and apparatus for determining chroma quantization parameters when using separate coding trees for luma and chroma Electricity 0 Active
US12363346B2 High precision 4×4 DST7 and DCT8 transform matrices Electricity 0 Active
US11711512B2 Method and apparatus for video encoding and decoding using pattern-based block filtering Electricity 0 Active
US12143594B2 Luma to chroma quantization parameter table signaling Electricity 0 Active
US11729417B2 Generalized bi-prediction and weighted prediction Electricity 0 Active
US12075051B2 Scalar quantizer decision scheme for dependent scalar quantization Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.