Inventor

KARCZEWICZ MARTA

US1,177 patents

⚠️ This page may combine multiple inventors who share the name “KARCZEWICZ MARTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KARCZEWICZ MARTA

QUALCOMM INC

Motion vector prediction for affine motion models in video coding

Memory-bandwidth-efficient design for bi-directional optical flow (BIO)

Modified adaptive loop filter temporal prediction for temporal scalability support

Low-complexity design for FRUC

Frame rate up-conversion coding mode with affine motion model

Adaptive loop filter with enhanced classification methods

Limitation of the MVP derivation based on decoder-side motion vector derivation

Overlapped motion compensation for video coding

Affine motion compensation in video coding

Deblocking filter for video coding and processing

Deriving motion vector information at a video decoder

Motion vector prediction

Affine motion prediction for video coding

Merge candidates for motion vector prediction for video coding

Inter prediction refinement based on bi-directional optical flow (BIO)

Modified adaptive loop filter temporal prediction for temporal scalability support

Non-separable secondary transform for video coding

Cross-component filter

Unified intra-block copy and inter-prediction

Signaling selected directional transform for video coding

Intra video coding using a decoupled tree structure

Overlapped motion compensation for video coding

Modification of transform coefficients for non-square transform units in video coding

Motion vector derivation in video coding

Cross-component prediction in video coding

Coding tree unit (CTU) level adaptive loop filter (ALF)

Intra BC and inter unification

Disabling intra prediction filtering

Throughput improvement for CABAC coefficient level coding

NOKIA CORP

Adaptive variable length coding of digital video

Spatial prediction based intra coding

Method for sub-pixel value interpolation

Method and system for context-based adaptive binary arithmetic coding

Context-based adaptive variable length coding for adaptive block transforms

Apparatus, and associated method, for forming a compressed motion vector field utilizing predictive motion coding

Variable length coding

Video coding architecture and methods for using same

KARCZEWICZ MARTA

Coding syntax elements for adaptive scans of transform coefficients for video coding

Refinement coefficient coding based on history of corresponding transform coefficient values

Combined run-length coding of refinement and significant coefficients in scalable video coding enhancement layers

Directional transforms for intra-coding

Variable length coding table selection based on video block type for refinement coefficient coding

Variable length coding table selection based on block type statistics for refinement coefficient coding

NOKIA MOBILE PHONES LTD

Adaptive filter

Method for encoding and decoding video information, a motion compensated video encoder and a corresponding decoder

Video coding system for estimating a motion vector field by using a series of motion estimators of varying complexity

CHEN YING

Signaling video samples for trick mode video representations

Video switching for streaming video data

SOLE ROJALS JOEL

Harmonized scan order for coding transform coefficients in video coding

CHEN PEISONG

Video coding with large macroblocks