IL281532B2 - Scalar quantizer decision scheme for dependent scalar quantization - Google Patents

Scalar quantizer decision scheme for dependent scalar quantization

Info

Publication number
IL281532B2
IL281532B2 IL281532A IL28153221A IL281532B2 IL 281532 B2 IL281532 B2 IL 281532B2 IL 281532 A IL281532 A IL 281532A IL 28153221 A IL28153221 A IL 28153221A IL 281532 B2 IL281532 B2 IL 281532B2
Authority
IL
Israel
Prior art keywords
transform coefficient
flag
parameters
block
entropy
Prior art date
Application number
IL281532A
Other languages
English (en)
Hebrew (he)
Other versions
IL281532A (en
IL281532B1 (en
Original Assignee
Interdigital Vc Holdings Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP19305641.3A external-priority patent/EP3742730A1/en
Application filed by Interdigital Vc Holdings Inc filed Critical Interdigital Vc Holdings Inc
Publication of IL281532A publication Critical patent/IL281532A/en
Publication of IL281532B1 publication Critical patent/IL281532B1/en
Publication of IL281532B2 publication Critical patent/IL281532B2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
IL281532A 2018-09-21 2019-09-13 Scalar quantizer decision scheme for dependent scalar quantization IL281532B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18290103 2018-09-21
EP19305641.3A EP3742730A1 (en) 2019-05-20 2019-05-20 Scalar quantizer decision scheme for dependent scalar quantization
PCT/US2019/051089 WO2020060867A1 (en) 2018-09-21 2019-09-13 Scalar quantizer decision scheme for dependent scalar quantization

Publications (3)

Publication Number Publication Date
IL281532A IL281532A (en) 2021-05-31
IL281532B1 IL281532B1 (en) 2024-05-01
IL281532B2 true IL281532B2 (en) 2024-09-01

Family

ID=68063080

Family Applications (3)

Application Number Title Priority Date Filing Date
IL281532A IL281532B2 (en) 2018-09-21 2019-09-13 Scalar quantizer decision scheme for dependent scalar quantization
IL312227A IL312227B2 (en) 2018-09-21 2019-09-13 Scalar quantizer decision diagram for dependent scalar quantization
IL323775A IL323775A (en) 2018-09-21 2025-10-05 Scalar quantizer decision scheme for dependent scalar quantization

Family Applications After (2)

Application Number Title Priority Date Filing Date
IL312227A IL312227B2 (en) 2018-09-21 2019-09-13 Scalar quantizer decision diagram for dependent scalar quantization
IL323775A IL323775A (en) 2018-09-21 2025-10-05 Scalar quantizer decision scheme for dependent scalar quantization

Country Status (7)

Country Link
US (5) US11381822B2 (https=)
EP (1) EP3854082A1 (https=)
JP (3) JP7520809B2 (https=)
KR (2) KR102898328B1 (https=)
CN (3) CN112740682B (https=)
IL (3) IL281532B2 (https=)
WO (1) WO2020060867A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102898328B1 (ko) 2018-09-21 2025-12-09 인터디지털 브이씨 홀딩스 인코포레이티드 의존적 스칼라 양자화를 위한 스칼라 양자화기 결정 방식
MX2021005939A (es) * 2018-11-21 2021-07-21 Electronics & Telecommunications Res Inst Metodo y aparato de codificacion/decodificacion de imagen, y medio de registro que almacena flujo de bits.
AU2019284053A1 (en) * 2019-12-23 2021-07-08 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
CN115362685A (zh) * 2020-04-01 2022-11-18 北京达佳互联信息技术有限公司 用于视频编解码的无损编解码模式
CN115769578A (zh) * 2020-04-20 2023-03-07 抖音视界有限公司 视频编解码中的自适应色彩变换
WO2022165763A1 (zh) * 2021-02-05 2022-08-11 Oppo广东移动通信有限公司 编码方法、解码方法、编码器、解码器以及电子设备
CN116982312A (zh) * 2021-03-17 2023-10-31 Oppo广东移动通信有限公司 视频编解码方法与系统、及视频编解码器
KR20240132290A (ko) * 2022-01-05 2024-09-03 주식회사 윌러스표준기술연구소 종속 양자화를 이용한 비디오 신호 처리 방법 및 이를 위한 장치
WO2025148996A1 (en) * 2024-01-09 2025-07-17 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method and apparatus for residual coefficient coding in video coding

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3031768A (en) 1959-07-09 1962-05-01 Gen Electric Control system for clothes dryers
JP3413720B2 (ja) * 1998-06-26 2003-06-09 ソニー株式会社 画像符号化方法及び装置、並びに画像復号方法及び装置
US8031768B2 (en) * 2004-12-15 2011-10-04 Maxim Integrated Products, Inc. System and method for performing optimized quantization via quantization re-scaling
KR101375668B1 (ko) * 2008-03-17 2014-03-18 삼성전자주식회사 변환 계수의 부호화, 복호화 방법 및 장치
CN103262534B (zh) * 2010-10-14 2018-05-22 汤姆逊许可公司 改进熵编码和解码的方法及装置
US9106913B2 (en) * 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
US20130003858A1 (en) * 2011-06-30 2013-01-03 Vivienne Sze Simplified Context Selection For Entropy Coding of Transform Coefficient Syntax Elements
US9930329B2 (en) * 2011-11-03 2018-03-27 Thomson Licensing Video encoding and decoding based on image refinement
US9743116B2 (en) * 2012-01-19 2017-08-22 Huawei Technologies Co., Ltd. High throughput coding for CABAC in HEVC
US9654139B2 (en) * 2012-01-19 2017-05-16 Huawei Technologies Co., Ltd. High throughput binarization (HTB) method for CABAC in HEVC
US9008189B2 (en) * 2012-01-20 2015-04-14 Blackberry Limited Methods and devices for context modeling to enable modular processing
US9036710B2 (en) * 2012-03-08 2015-05-19 Blackberry Limited Unified transform coefficient encoding and decoding
US9621921B2 (en) * 2012-04-16 2017-04-11 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
CN104380737B (zh) * 2012-06-22 2018-10-26 夏普株式会社 算术解码装置
WO2014053428A1 (en) * 2012-10-01 2014-04-10 Telefonaktiebolaget L M Ericsson (Publ) Coding and decoding of transform skipped blocks
US9936200B2 (en) * 2013-04-12 2018-04-03 Qualcomm Incorporated Rice parameter update for coefficient level coding in video coding process
US11233998B2 (en) * 2015-05-29 2022-01-25 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design
US10148961B2 (en) 2015-05-29 2018-12-04 Qualcomm Incorporated Arithmetic coder with multiple window sizes
EP3292690B1 (en) * 2015-06-23 2020-05-06 MediaTek Singapore Pte Ltd. Method and apparatus for transform coefficient coding of non-square blocks
US10440399B2 (en) 2015-11-13 2019-10-08 Qualcomm Incorporated Coding sign information of video data
CN109661820A (zh) * 2016-09-13 2019-04-19 联发科技股份有限公司 用于视频编解码的多个量化矩阵集合的方法
CN115474043A (zh) * 2017-07-31 2022-12-13 韩国电子通信研究院 对图像编码和解码的方法及存储比特流的计算机可读介质
US10609421B2 (en) * 2018-07-12 2020-03-31 Google Llc Context derivation for coefficient coding
KR102637177B1 (ko) * 2018-05-23 2024-02-14 세종대학교산학협력단 워터마크 기반의 이미지 무결성 검증 방법 및 장치
WO2020007785A1 (en) * 2018-07-02 2020-01-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Entropy coding of transform coefficients suitable for dependent scalar quantization
KR102898328B1 (ko) 2018-09-21 2025-12-09 인터디지털 브이씨 홀딩스 인코포레이티드 의존적 스칼라 양자화를 위한 스칼라 양자화기 결정 방식

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DONG (QUALCOMM) J ET AL:, CE7-RELATED: TCQ WITH HIGH THROUGHPUT COEFFICIENT CODING, 15 July 2018 (2018-07-15) *
SCHWARZ ET AL., NON-CE7: ALTERNATIVE ENTROPY CODING FOR DEPENDENT QUALIZATION, 10 July 2018 (2018-07-10) *

Also Published As

Publication number Publication date
EP3854082A1 (en) 2021-07-28
US12506870B2 (en) 2025-12-23
US11778188B2 (en) 2023-10-03
US11381822B2 (en) 2022-07-05
JP2026000962A (ja) 2026-01-06
CN112740682A (zh) 2021-04-30
KR20210062010A (ko) 2021-05-28
WO2020060867A1 (en) 2020-03-26
IL312227B1 (en) 2025-12-01
US20220329804A1 (en) 2022-10-13
US12075051B2 (en) 2024-08-27
JP2022500891A (ja) 2022-01-04
IL281532A (en) 2021-05-31
IL312227B2 (en) 2026-04-01
IL281532B1 (en) 2024-05-01
IL312227A (en) 2024-06-01
KR102898328B1 (ko) 2025-12-09
JP7520809B2 (ja) 2024-07-23
CN119094784A (zh) 2024-12-06
JP2024138428A (ja) 2024-10-08
US20230396767A1 (en) 2023-12-07
CN112740682B (zh) 2024-08-27
CN119211563A (zh) 2024-12-27
US20260067460A1 (en) 2026-03-05
KR20260003342A (ko) 2026-01-06
US20210306632A1 (en) 2021-09-30
JP7741937B2 (ja) 2025-09-18
IL323775A (en) 2025-12-01
US20240373015A1 (en) 2024-11-07

Similar Documents

Publication Publication Date Title
IL323775A (en) Scalar quantizer decision scheme for dependent scalar quantization
CN110720218B (zh) 与视频译码中的变换处理一起应用的帧内滤波
IL279740B2 (en) Combining position-dependent intra-prediction with wide-angle intra-prediction
IL235249A (en) Quantization parameter coding (qp) in video encoding
IL265174A (en) A method for encoding your entropy segment and device for it, and a method for decoding entropy segment and device for it
JP2023543985A (ja) 多用途ビデオコーディングのためのテンプレートマッチング予測
IL234568A (en) Coded block flag coding
IL229717A (en) Parallelization friendly merge candidates for video coding
IL269614A (en) Context Reduction for Binary Mathematics Coding Adaptive
IL227926A (en) Restrict beating code modulation for video encoding
IL228890A (en) Offset printing and signaling method promote offset adaptive example
IL234649A (en) Parallel front-wave processing for video encoding
IL227925A (en) Hierarchy of motion prediction video blocks
IL230254A (en) Coefficient scanning in video coding
IL229718A (en) Unified merge mode and adaptive motion vector prediction mode candidates selection
IL286626B1 (en) Block-based quantum-coherent residual domain beatcode modulation assignment for face prediction mode derivation
IL225331A (en) Video encoding internal swiping filter
IL230016A (en) Video encoding using customizable motion vector resolution
IL227287A (en) Performing motion vector prediction for video coding
IL229415A (en) Enhanced intra-prediction mode signaling for video coding using neighboring mode
IL226974A (en) Indication for selecting a video encoding predictive mode that uses context-based adaptive binary arithmetic coding
IL232776A (en) Making motion vector prediction in video encoding
IL233160A (en) Determining contexts for coding transform coefficient data in video coding
IL230364A (en) Encoding coefficients of change for video encoding
IL234269A (en) Generate context for last position encoding for video encoding