Inventor · San Diego, CA, US

Marta Karczewicz

1,136Patents
48h-index
113Co-inventors
93Inventor score

Filing activity: Sep 19, 1997 → Jun 12, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6795584B2 Context-based adaptive variable length coding for adaptive block transforms Electricity 225 Expired
US10448010B2 Motion vector prediction for affine motion models in video coding Electricity 202 Active
US6724944B1 Adaptive filter Electricity 160 Expired
US6856701B2 Method and system for context-based adaptive binary arithmetic coding Electricity 131 Expired
US10523964B2 Inter prediction refinement based on bi-directional optical flow (BIO) Electricity 128 Active
US10560712B2 Affine motion prediction for video coding Electricity 116 Active
US10778999B2 Frame rate up-conversion coding mode with affine motion model Electricity 108 Active
US10904565B2 Memory-bandwidth-efficient design for bi-directional optical flow (BIO) Electricity 104 Active
US10057574B2 Coding tree unit (CTU) level adaptive loop filter (ALF) Electricity 101 Active
US10701366B2 Deriving motion vector information at a video decoder Electricity 99 Active
US10757417B2 Affine motion compensation in video coding Electricity 99 Active
US6950469B2 Method for sub-pixel value interpolation Electricity 84 Expired
US6735249B1 Apparatus, and associated method, for forming a compressed motion vector field utilizing predictive motion coding Electricity 80 Expired
US6907142B2 Method for encoding images, and an image coder Electricity 80 Expired
US6696993B2 Variable length coding Electricity 80 Expired
US10708592B2 Deblocking filter for video coding and processing Electricity 79 Active
US10779002B2 Limitation of the MVP derivation based on decoder-side motion vector derivation Electricity 79 Active
US10560718B2 Merge candidates for motion vector prediction for video coding Electricity 78 Active
US10785494B2 Low-complexity design for FRUC Electricity 71 Active
US7289674B2 Spatial prediction based intra coding Electricity 70 Expired
US10200700B2 Cross-component prediction in video coding Electricity 69 Active
US10230980B2 Overlapped motion compensation for video coding Electricity 68 Active
US10412387B2 Unified intra-block copy and inter-prediction Electricity 68 Active
US10855985B2 Modified adaptive loop filter temporal prediction for temporal scalability support Electricity 68 Active
US10419757B2 Cross-component filter Electricity 67 Active

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