Inventor

KARABUTOV ALEXANDER ALEXANDROVICH

RU43 patents

Patents

43 patents

US11818357B2Nov 14, 2023

Encoder, a decoder and corresponding methods using compact MV storage

HUAWEI TECH CO LTD5 citations85

US11924407B2Mar 5, 2024

Method and apparatus for deriving an interpolation filter index for a current block

HUAWEI TECH CO LTD2 citations73

US12506891B2Dec 23, 2025

Method and apparatus for deriving an interpolation filter index for a current block

HUAWEI TECH CO LTD0 citations62

US12309372B2May 20, 2025

Method and apparatus for signaling of mapping function of chroma quantization parameter

HUAWEI TECH CO LTD0 citations62

US12206903B2Jan 21, 2025

Separate merge list for subblock merge candidates and intra-inter techniques harmonization for video coding

HUAWEI TECH CO LTD0 citations62

US12177469B2Dec 24, 2024

Encoder, a decoder and corresponding methods for inter prediction using geometric prediction mode

HUAWEI TECH CO LTD0 citations62

US12160578B2Dec 3, 2024

Method and apparatus for signaling of mapping function of chroma quantization parameter

HUAWEI TECH CO LTD0 citations62

US12160603B2Dec 3, 2024

Video decoder and methods

HUAWEI TECH CO LTD0 citations62

US12149692B2Nov 19, 2024

Method and apparatus for chrominance QP offsets tables signaling and derivation

HUAWEI TECH CO LTD0 citations62

US12052419B2Jul 30, 2024

Method and apparatus for signaling of mapping function of chroma quantization parameter

HUAWEI TECH CO LTD0 citations62

US12047599B2Jul 23, 2024

Motion vector range derivation for enhanced interpolation filter

HUAWEI TECH CO LTD0 citations62

US12010345B2Jun 11, 2024

Encoder, a decoder and corresponding methods of flexible profile configuration

HUAWEI TECH CO LTD0 citations62

US11930183B2Mar 12, 2024

Video encoder, a video decoder and corresponding methods of processing MMVD distance

HUAWEI TECH CO LTD0 citations62

US11863748B2Jan 2, 2024

Encoder, a decoder and corresponding methods of chroma qantization control

HUAWEI TECH CO LTD0 citations62

US11800152B2Oct 24, 2023

Separate merge list for subblock merge candidates and intra-inter techniques harmonization for video coding

HUAWEI TECH CO LTD0 citations62

US11765383B2Sep 19, 2023

Video decoder and methods

HUAWEI TECH CO LTD0 citations62

US11689723B2Jun 27, 2023

Apparatus and method for inverse quantization

HUAWEI TECH CO LTD0 citations62

US11558632B2Jan 17, 2023

Encoder, a decoder and corresponding methods for inter prediction

HUAWEI TECH CO LTD0 citations62

US11438618B2Sep 6, 2022

Method and apparatus for residual sign prediction in transform domain

HUAWEI TECH CO LTD0 citations62

US11381843B2Jul 5, 2022

Separate merge list for subblock merge candidates and intra-inter techniques harmonization for video coding

HUAWEI TECH CO LTD0 citations62

US11375187B2Jun 28, 2022

Apparatus and method for filtering in video coding with look-up table selected based on bitstream information

HUAWEI TECH CO LTD0 citations61

US12532009B2Jan 20, 2026

Feature map encoding and decoding based on presence indicator

HUAWEI TECH CO LTD0 citations60

US11202099B2Dec 14, 2021

Apparatus and method for decoding a panoramic video

HUAWEI TECH CO LTD0 citations59

US12586255B2Mar 24, 2026

Configurable positions for auxiliary information input into a picture data processing neural network

HUAWEI TECH CO LTD0 citations58

US12499581B2Dec 16, 2025

Scalable coding of video and associated features

HUAWEI TECH CO LTD0 citations58

US12470754B2Nov 11, 2025

Affine motion model restrictions for memory bandwidth reduction of enhanced interpolation filter

HUAWEI TECH CO LTD0 citations52

US12244806B2Mar 4, 2025

Method and apparatus for chrominance quantization parameters signalling

HUAWEI TECH CO LTD0 citations52

US12143586B2Nov 12, 2024

Usage of DCT based interpolation filter and enhanced bilinear interpolation filter in affine motion compensation

HUAWEI TECH CO LTD0 citations52

US12069242B2Aug 20, 2024

Reference picture management methods for video coding

HUAWEI TECH CO LTD0 citations52

US12058337B2Aug 6, 2024

Usage of DCT based interpolation filter

HUAWEI TECH CO LTD0 citations52

US12047609B2Jul 23, 2024

Interpolation filter for an inter prediction apparatus and method for video coding

HUAWEI TECH CO LTD0 citations52

US11997296B2May 28, 2024

Motion field storage optimization for a line buffer

HUAWEI TECH CO LTD0 citations52

US11985354B2May 14, 2024

Affine motion model restrictions reducing number of fetched reference lines during processing of one block row with enhanced interpolation filter

HUAWEI TECH CO LTD0 citations52

US11876956B2Jan 16, 2024

Encoder, a decoder and corresponding methods for local illumination compensation

HUAWEI TECH CO LTD0 citations52

US11838508B2Dec 5, 2023

Apparatus and method for chrominance quantization parameter derivation

HUAWEI TECH CO LTD0 citations52

US11265535B2Mar 1, 2022

Method and apparatus for harmonizing multiple sign bit hiding and residual sign prediction

HUAWEI TECH CO LTD0 citations52

US11245897B2Feb 8, 2022

Methods and apparatuses for signaling partioning information for picture encoding and decoding

HUAWEI TECH CO LTD0 citations52

US12075035B2Aug 27, 2024

Apparatus and method for filtering in video coding

HUAWEI TECH CO LTD0 citations51

US12184863B2Dec 31, 2024

Motion compensation with a sparse optical flow representation

HUAWEI TECH CO LTD0 citations50

KARABUTOV ALEXANDER ALEXANDROVICH

Patents

Encoder, a decoder and corresponding methods using compact MV storage

Method and apparatus for deriving an interpolation filter index for a current block

Decoding with signaling of segmentation information

Method and apparatus for decoding with signaling of feature map data

Apparatus and method for inverse quantization

Encoder, a decoder and corresponding methods using compact MV storage

Method and apparatus for deriving an interpolation filter index for a current block

Method and apparatus for signaling of mapping function of chroma quantization parameter

Separate merge list for subblock merge candidates and intra-inter techniques harmonization for video coding

Encoder, a decoder and corresponding methods for inter prediction using geometric prediction mode

Method and apparatus for signaling of mapping function of chroma quantization parameter

Video decoder and methods

Method and apparatus for chrominance QP offsets tables signaling and derivation

Method and apparatus for signaling of mapping function of chroma quantization parameter

Motion vector range derivation for enhanced interpolation filter

Encoder, a decoder and corresponding methods of flexible profile configuration

Video encoder, a video decoder and corresponding methods of processing MMVD distance

Encoder, a decoder and corresponding methods of chroma qantization control

Separate merge list for subblock merge candidates and intra-inter techniques harmonization for video coding

Video decoder and methods

Apparatus and method for inverse quantization

Encoder, a decoder and corresponding methods for inter prediction

Method and apparatus for residual sign prediction in transform domain

Separate merge list for subblock merge candidates and intra-inter techniques harmonization for video coding

Apparatus and method for filtering in video coding with look-up table selected based on bitstream information

Feature map encoding and decoding based on presence indicator

Apparatus and method for decoding a panoramic video

Configurable positions for auxiliary information input into a picture data processing neural network

Scalable coding of video and associated features

Affine motion model restrictions for memory bandwidth reduction of enhanced interpolation filter

Method and apparatus for chrominance quantization parameters signalling

Usage of DCT based interpolation filter and enhanced bilinear interpolation filter in affine motion compensation

Reference picture management methods for video coding

Usage of DCT based interpolation filter

Interpolation filter for an inter prediction apparatus and method for video coding

Motion field storage optimization for a line buffer

Affine motion model restrictions reducing number of fetched reference lines during processing of one block row with enhanced interpolation filter

Encoder, a decoder and corresponding methods for local illumination compensation

Apparatus and method for chrominance quantization parameter derivation

Method and apparatus for harmonizing multiple sign bit hiding and residual sign prediction

Methods and apparatuses for signaling partioning information for picture encoding and decoding

Apparatus and method for filtering in video coding

Motion compensation with a sparse optical flow representation