CN115442608B - 图像编码/解码方法及发送数据的方法 - Google Patents

图像编码/解码方法及发送数据的方法 Download PDF

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CN115442608B
CN115442608B CN202211053759.7A CN202211053759A CN115442608B CN 115442608 B CN115442608 B CN 115442608B CN 202211053759 A CN202211053759 A CN 202211053759A CN 115442608 B CN115442608 B CN 115442608B
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transform coefficient
current block
block
region
low frequency
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CN115442608A (zh
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崔情娥
金昇焕
许镇
柳先美
李翎
崔璋元
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Vivo Mobile Communication Co Ltd
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LG Electronics Inc
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    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/46—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
    • H04N19/60—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
    • H04N19/70—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
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US201862780925P 2018-12-17 2018-12-17
US62/780,925 2018-12-17
US201962792826P 2019-01-15 2019-01-15
US62/792,826 2019-01-15
PCT/KR2019/017723 WO2020130514A1 (ko) 2018-12-17 2019-12-13 고주파 제로잉을 기반으로 변환 계수 스캔 순서를 결정하는 방법 및 장치
CN202211053759.7A CN115442608B (zh) 2018-12-17 2019-12-13 图像编码/解码方法及发送数据的方法
CN201980006034.2A CN111587575B (zh) 2018-12-17 2019-12-13 基于高频归零确定变换系数扫描顺序的方法及其设备

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WO2023191261A1 (ko) * 2022-03-30 2023-10-05 엘지전자 주식회사 영상 코딩 시스템에서 레지듀얼 정보를 코딩하는 방법 및 장치
CN114742950B (zh) * 2022-04-19 2024-02-02 上海海事大学 船舶外形3d数字重构方法、装置、存储介质及电子设备
CN119545022B (zh) * 2022-04-28 2026-03-17 Oppo广东移动通信有限公司 视频编码中的子块编码推断

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6226327B1 (en) * 1992-06-29 2001-05-01 Sony Corporation Video coding method and apparatus which select between frame-based and field-based predictive modes
CN101208955A (zh) * 2005-06-21 2008-06-25 诺基亚公司 压缩域中基于dct的视频序列的图像处理
KR20110046016A (ko) * 2009-10-28 2011-05-04 삼성전자주식회사 레지듀얼 블록의 부호화 방법 및 장치, 복호화 방법 및 장치
CN102231830A (zh) * 2010-11-23 2011-11-02 浙江大学 用于上下文算术编解码的运算单元
CN102547280A (zh) * 2010-12-24 2012-07-04 微软公司 图像和视频解码实现
AU2011236109A1 (en) * 2011-10-18 2013-05-02 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding the significance map for residual coefficients of a transform unit
CN103907349A (zh) * 2011-11-04 2014-07-02 夏普株式会社 算术解码装置、图像解码装置、算术编码装置、图像编码装置以及算术解码方法
CN104272735A (zh) * 2013-01-16 2015-01-07 黑莓有限公司 针对视频的上下文自适应二进制熵编码的变换系数编码
CN105120272A (zh) * 2011-10-18 2015-12-02 株式会社Kt 图像编码方法、图像解码方法、图像编码器及图像解码器
KR20160088085A (ko) * 2015-01-15 2016-07-25 한국전자통신연구원 고속 변환 계수 부호화 방법 및 장치
CN107580224A (zh) * 2017-08-08 2018-01-12 西安理工大学 一种面向hevc熵编码的自适应扫描方法
CN107835432A (zh) * 2011-06-28 2018-03-23 三星电子株式会社 对视频编码的方法和设备以及对视频解码的方法和设备
KR20180096194A (ko) * 2017-02-20 2018-08-29 한국전자통신연구원 변환 계수 부호화 및 복호화 장치와 이를 구비하는 부호화 장치 및 복호화 장치
WO2018190594A1 (ko) * 2017-04-13 2018-10-18 엘지전자(주) 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3732867B2 (ja) * 1995-03-09 2006-01-11 株式会社ルネサステクノロジ 画像伸張装置
FR2830157A1 (fr) * 2001-09-25 2003-03-28 Koninkl Philips Electronics Nv Procede de conversion de donnees video codees
US8665943B2 (en) * 2005-12-07 2014-03-04 Sony Corporation Encoding device, encoding method, encoding program, decoding device, decoding method, and decoding program
US8275045B2 (en) * 2006-07-12 2012-09-25 Qualcomm Incorporated Video compression using adaptive variable length codes
MX2011004850A (es) * 2008-11-07 2011-05-30 Mitsubishi Electric Corp Codificador de imagenes y decodificador de imagenes.
US8902988B2 (en) * 2010-10-01 2014-12-02 Qualcomm Incorporated Zero-out of high frequency coefficients and entropy coding retained coefficients using a joint context model
KR101483179B1 (ko) * 2010-10-06 2015-01-19 에스케이 텔레콤주식회사 주파수 마스크 테이블을 이용한 주파수변환 블록 부호화 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치
US8976861B2 (en) * 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
US9288496B2 (en) * 2010-12-03 2016-03-15 Qualcomm Incorporated Video coding using function-based scan order for transform coefficients
KR101763113B1 (ko) * 2010-12-06 2017-08-01 에스케이 텔레콤주식회사 노이즈성분을 위한 공간영역에서의 영상 부호화/복호화 방법 및 장치
US9106913B2 (en) * 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
US9491469B2 (en) * 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
KR101955374B1 (ko) * 2011-06-30 2019-05-31 에스케이 텔레콤주식회사 고속 코딩 단위(Ｃｏｄｉｎｇ Ｕｎｉｔ) 모드 결정을 통한 부호화/복호화 방법 및 장치
KR101943049B1 (ko) * 2011-06-30 2019-01-29 에스케이텔레콤 주식회사 영상 부호화/복호화 방법 및 장치
US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
CN108471535A (zh) * 2011-11-08 2018-08-31 三星电子株式会社 用于对视频进行解码的方法
CN104956674B (zh) * 2012-01-20 2019-02-15 谷歌技术控股有限责任公司 用于最末重要系数位置编解码中的上下文减少的设备和方法
WO2013116849A1 (en) * 2012-02-04 2013-08-08 General Instrument Corporation Devices and methods for context reduction in last significant coefficient position coding
EP2866443A4 (en) * 2012-06-22 2016-06-15 Sharp Kk ARITHMETIC DECODING DEVICE, ARITHMETIC CODING DEVICE, IMAGE DECODING DEVICE AND IMAGE DEVICES
US10257520B2 (en) * 2012-06-26 2019-04-09 Velos Media, Llc Modified coding for transform skipping
CN108632611A (zh) * 2012-06-29 2018-10-09 韩国电子通信研究院 视频解码方法、视频编码方法和计算机可读介质
WO2014007524A1 (ko) * 2012-07-02 2014-01-09 삼성전자 주식회사 비디오의 엔트로피 부호화 방법 및 장치, 비디오의 엔트로피 복호화 방법 및 장치
JP6197496B2 (ja) * 2013-08-30 2017-09-20 富士通株式会社 量子化装置、量子化方法および量子化プログラム
US9215464B2 (en) * 2013-09-19 2015-12-15 Blackberry Limited Coding position data for the last non-zero transform coefficient in a coefficient group
US9432696B2 (en) * 2014-03-17 2016-08-30 Qualcomm Incorporated Systems and methods for low complexity forward transforms using zeroed-out coefficients
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US10284849B2 (en) * 2015-04-13 2019-05-07 Qualcomm Incorporated Quantization parameter (QP) calculation for display stream compression (DSC) based on complexity measure
KR102230264B1 (ko) * 2015-08-28 2021-03-22 삼성전자주식회사 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
US10616604B2 (en) * 2015-09-01 2020-04-07 Qualcomm Incorporated Coefficient level coding in video coding
US10674146B2 (en) * 2015-09-30 2020-06-02 Lg Electronics Inc. Method and device for coding residual signal in video coding system
KR101743665B1 (ko) * 2016-02-02 2017-06-05 세종대학교산학협력단 인트라 예측 기반의 비디오 신호 처리 방법 및 장치
CN106162184B (zh) * 2016-07-28 2020-01-10 华为技术有限公司 一种数据块编码方法及装置
CN106331715B (zh) * 2016-08-24 2019-04-12 上海富瀚微电子股份有限公司 基于视频压缩编码标准h.265的熵编码系统及其编码方法
US10880564B2 (en) * 2016-10-01 2020-12-29 Qualcomm Incorporated Transform selection for video coding
KR20260027320A (ko) * 2016-10-04 2026-02-27 주식회사 비원영상기술연구소 영상 데이터 부호화/복호화 방법 및 장치
EP3306924A1 (en) * 2016-10-05 2018-04-11 Thomson Licensing Method and device for context-adaptive binary arithmetic coding a sequence of binary symbols representing a syntax element related to picture data
JP2018182444A (ja) * 2017-04-07 2018-11-15 株式会社Ｊｖｃケンウッド 画像符号化装置、画像符号化方法及び画像符号化プログラム、画像復号装置、画像復号方法及び画像復号プログラム
CN108810552B (zh) * 2017-04-28 2021-11-09 华为技术有限公司 图像预测方法和相关产品
WO2019132577A1 (ko) * 2017-12-28 2019-07-04 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
CN108235013B (zh) * 2018-01-22 2020-03-17 合肥工业大学 一种基于hevc的低周期cabac解码器及其解码方法
US11051036B2 (en) * 2018-07-14 2021-06-29 Mediatek Inc. Method and apparatus of constrained overlapped block motion compensation in video coding
US11039139B2 (en) * 2018-09-14 2021-06-15 Tencent America LLC Method and apparatus for identity transform in multiple transform selection
EP3709658B1 (en) * 2018-11-12 2025-03-26 LG Electronics Inc. Method for coding transform coefficient on basis of high frequency zeroing and apparatus therefor

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6226327B1 (en) * 1992-06-29 2001-05-01 Sony Corporation Video coding method and apparatus which select between frame-based and field-based predictive modes
CN101208955A (zh) * 2005-06-21 2008-06-25 诺基亚公司 压缩域中基于dct的视频序列的图像处理
KR20110046016A (ko) * 2009-10-28 2011-05-04 삼성전자주식회사 레지듀얼 블록의 부호화 방법 및 장치, 복호화 방법 및 장치
CN102231830A (zh) * 2010-11-23 2011-11-02 浙江大学 用于上下文算术编解码的运算单元
CN102547280A (zh) * 2010-12-24 2012-07-04 微软公司 图像和视频解码实现
CN107835432A (zh) * 2011-06-28 2018-03-23 三星电子株式会社 对视频编码的方法和设备以及对视频解码的方法和设备
CN105120272A (zh) * 2011-10-18 2015-12-02 株式会社Kt 图像编码方法、图像解码方法、图像编码器及图像解码器
AU2011236109A1 (en) * 2011-10-18 2013-05-02 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding the significance map for residual coefficients of a transform unit
CN103907349A (zh) * 2011-11-04 2014-07-02 夏普株式会社 算术解码装置、图像解码装置、算术编码装置、图像编码装置以及算术解码方法
CN104272735A (zh) * 2013-01-16 2015-01-07 黑莓有限公司 针对视频的上下文自适应二进制熵编码的变换系数编码
KR20160088085A (ko) * 2015-01-15 2016-07-25 한국전자통신연구원 고속 변환 계수 부호화 방법 및 장치
KR20180096194A (ko) * 2017-02-20 2018-08-29 한국전자통신연구원 변환 계수 부호화 및 복호화 장치와 이를 구비하는 부호화 장치 및 복호화 장치
WO2018190594A1 (ko) * 2017-04-13 2018-10-18 엘지전자(주) 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치
CN107580224A (zh) * 2017-08-08 2018-01-12 西安理工大学 一种面向hevc熵编码的自适应扫描方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CE6: Block size dependent zero-out transform (Test 1.14)，JVET-K0083-v1;Xin Zhao等;《Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 11th Meeting: Ljubljana, SI, 10–18 July 2018》;20180703;全文 *

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