KR102450506B1 - 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 - Google Patents

영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 Download PDF

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KR102450506B1
KR102450506B1 KR1020180089465A KR20180089465A KR102450506B1 KR 102450506 B1 KR102450506 B1 KR 102450506B1 KR 1020180089465 A KR1020180089465 A KR 1020180089465A KR 20180089465 A KR20180089465 A KR 20180089465A KR 102450506 B1 KR102450506 B1 KR 102450506B1
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KR20190013666A (ko
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임성창
고현석
강정원
이진호
이하현
전동산
김휘용
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한국전자통신연구원
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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
    • H04N19/134—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/102—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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/10—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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission

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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)
KR1020180089465A 2017-07-31 2018-07-31 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 Active KR102450506B1 (ko)

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KR1020220123690A Active KR102559421B1 (ko) 2017-07-31 2022-09-28 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR1020230094520A Active KR102712074B1 (ko) 2017-07-31 2023-07-20 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
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KR1020230094520A Active KR102712074B1 (ko) 2017-07-31 2023-07-20 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
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Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019017066A (ja) * 2017-07-03 2019-01-31 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置、復号装置、符号化方法及び復号方法
WO2019231206A1 (ko) 2018-05-30 2019-12-05 디지털인사이트주식회사 영상 부호화/복호화 방법 및 장치
CN119743599A (zh) * 2018-06-11 2025-04-01 韩华视觉株式会社 用于对图像进行解码和编码的方法以及非暂态计算机可读介质
KR102030384B1 (ko) 2018-06-19 2019-11-08 광운대학교 산학협력단 잔차 계수 부호화/복호화 방법 및 장치
CA3111340A1 (en) 2018-09-03 2020-03-12 Huawei Technologies Co., Ltd. A video encoder, a video decoder and corresponding methods
KR102898328B1 (ko) 2018-09-21 2025-12-09 인터디지털 브이씨 홀딩스 인코포레이티드 의존적 스칼라 양자화를 위한 스칼라 양자화기 결정 방식
WO2020064745A1 (en) * 2018-09-24 2020-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Efficient coding of transform coefficients using or suitable for a combination with dependent scalar quantization
GB2578769B (en) 2018-11-07 2022-07-20 Advanced Risc Mach Ltd Data processing systems
EP3664449A1 (en) 2018-12-05 2020-06-10 InterDigital VC Holdings, Inc. Method and device for picture encoding and decoding
CN116744004A (zh) * 2018-12-19 2023-09-12 Lg电子株式会社 编码设备、解码设备和数据发送设备
WO2020139016A2 (ko) * 2018-12-27 2020-07-02 엘지전자 주식회사 영상 코딩 시스템에서 레지듀얼 재배열을 사용하는 영상 디코딩 방법 및 그 장치
WO2020141892A1 (ko) * 2019-01-01 2020-07-09 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
CN113366839B (zh) * 2019-01-31 2024-01-12 北京字节跳动网络技术有限公司 视频编解码中的细化量化步骤
GB2583061B (en) * 2019-02-12 2023-03-15 Advanced Risc Mach Ltd Data processing systems
CN113574880B (zh) 2019-03-13 2023-04-07 北京字节跳动网络技术有限公司 关于子块变换模式的分割
CN118075479A (zh) 2019-03-21 2024-05-24 Sk电信有限公司 编解码视频数据的当前块的设备及发送视频数据的设备
CN113711606B (zh) * 2019-04-15 2025-04-01 Lg电子株式会社 基于缩放列表数据的信令的视频或图像编译
WO2020216296A1 (en) 2019-04-23 2020-10-29 Beijing Bytedance Network Technology Co., Ltd. Clipping operation in secondary transform based video processing
CN114009023B (zh) * 2019-06-19 2023-09-15 Lg电子株式会社 基于变换的图像编码方法及其装置
KR20220024658A (ko) * 2019-06-24 2022-03-03 알리바바 그룹 홀딩 리미티드 비디오 데이터의 변환-스킵 잔차 코딩
EP3790275A4 (en) 2019-06-25 2022-03-16 Wilus Institute of Standards and Technology Inc. VIDEO SIGNAL PROCESSING METHOD AND APPARATUS USING SECONDARY TRANSFORMATION
US11496774B2 (en) * 2019-08-27 2022-11-08 Tencent America LLC Header syntax for QT/BT/TT size
CN120602646A (zh) * 2019-08-31 2025-09-05 Lg 电子株式会社 图像解码方法及其设备
CN115606182B (zh) * 2020-03-25 2026-02-06 抖音视界有限公司 使用增强二次变换的编解码视频处理
EP4124036A4 (en) 2020-09-27 2023-11-22 Tencent Technology (Shenzhen) Company Limited Video coding/decoding method, apparatus, and device
CN116193119B (zh) * 2020-09-27 2026-02-06 腾讯科技（深圳）有限公司 视频编解码方法、装置及设备
CN112995671B (zh) * 2021-02-21 2022-10-28 腾讯科技（深圳）有限公司 视频编解码方法、装置、计算机可读介质及电子设备
CN116982316A (zh) * 2021-03-12 2023-10-31 Oppo广东移动通信有限公司 系数编解码方法、编解码设备及存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101672607B1 (ko) * 2011-11-07 2016-11-03 캐논 가부시끼가이샤 부호화 장치, 복호화 장치, 부호화 방법, 복호화 방법, 및 컴퓨터 판독가능 기억 매체
KR101672456B1 (ko) * 2009-02-09 2016-11-17 삼성전자 주식회사 저복잡도 주파수 변환을 이용한 비디오 부호화 방법과 그 장치, 및 비디오 복호화 방법과 그 장치

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6711211B1 (en) 2000-05-08 2004-03-23 Nokia Mobile Phones Ltd. Method for encoding and decoding video information, a motion compensated video encoder and a corresponding decoder
JP5620641B2 (ja) 2005-10-21 2014-11-05 韓國電子通信研究院Ｅｌｅｃｔｒｏｎｉｃｓ ａｎｄ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ ＲｅｓｅａｒｃｈＩｎｓｔｉｔｕｔｅ 適応型走査を用いる動画の符号化／復号化装置及びその方法
KR100882949B1 (ko) 2006-08-17 2009-02-10 한국전자통신연구원 화소 유사성에 따라 적응적인 이산 코사인 변환 계수스캐닝을 이용한 부호화/복호화 장치 및 그 방법
EP2182732A1 (en) 2008-10-28 2010-05-05 Panasonic Corporation Switching between scans in image coding
CN102447895B (zh) 2010-09-30 2013-10-02 华为技术有限公司 扫描方法及装置、反扫描方法及装置
US9288496B2 (en) * 2010-12-03 2016-03-15 Qualcomm Incorporated Video coding using function-based scan order for transform coefficients
US10992958B2 (en) 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
WO2012096539A2 (ko) * 2011-01-13 2012-07-19 삼성전자 주식회사 선택적 스캔 모드를 이용하는 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치
US9106913B2 (en) * 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
US9894353B2 (en) * 2011-06-13 2018-02-13 Sun Patent Trust Method and apparatus for encoding and decoding video using intra prediction mode dependent adaptive quantization matrix
KR20120140366A (ko) 2011-06-21 2012-12-31 광운대학교 산학협력단 휘도 성분의 문맥을 이용하는 적응적 색차 성분 스캐닝 순서 결정 방법 및 장치
GB2492333B (en) * 2011-06-27 2018-12-12 British Broadcasting Corp Video encoding and decoding using transforms
US9491469B2 (en) * 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
KR101590243B1 (ko) 2011-06-29 2016-01-29 모토로라 모빌리티 엘엘씨 인트라 코딩 동안에 스캔 코딩 패턴을 이용하기 위한 방법 및 시스템
US9445093B2 (en) * 2011-06-29 2016-09-13 Qualcomm Incorporated Multiple zone scanning order for video coding
US9807426B2 (en) * 2011-07-01 2017-10-31 Qualcomm Incorporated Applying non-square transforms to video data
US9392301B2 (en) * 2011-07-01 2016-07-12 Qualcomm Incorporated Context adaptive entropy coding for non-square blocks in video coding
US9756360B2 (en) 2011-07-19 2017-09-05 Qualcomm Incorporated Coefficient scanning in video coding
CN104378640B (zh) * 2011-10-17 2017-11-24 株式会社Kt 解码视频信号的方法
US20130114692A1 (en) * 2011-11-04 2013-05-09 Texas Instruments Incorporated Simplified Coefficient Scans for Non-Square Transforms (NSQT) in Video Coding
US10390046B2 (en) * 2011-11-07 2019-08-20 Qualcomm Incorporated Coding significant coefficient information in transform skip mode
RU2647704C1 (ru) * 2011-11-08 2018-03-16 Кт Корпорейшен Способ декодирования видеосигнала
US9565431B2 (en) * 2012-04-04 2017-02-07 Qualcomm Incorporated Low-delay video buffering in video coding
CN107105248B (zh) 2012-04-13 2021-05-07 佳能株式会社 视频数据的变换单位的子集的编解码的方法、设备和系统
US9491463B2 (en) * 2012-04-14 2016-11-08 Qualcomm Incorporated Group flag in transform coefficient coding for video coding
US9621921B2 (en) * 2012-04-16 2017-04-11 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
US9313498B2 (en) * 2012-04-16 2016-04-12 Qualcomm Incorporated Sign hiding techniques for quantized transform coefficients in video coding
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
WO2013181821A1 (en) * 2012-06-07 2013-12-12 Mediatek Singapore Pte. Ltd. Improved intra transform skip mode
CN109905710B (zh) * 2012-06-12 2021-12-21 太阳专利托管公司 动态图像编码方法及装置、动态图像解码方法及装置
US20140003530A1 (en) * 2012-06-28 2014-01-02 Qualcomm Incorporated Sign hiding techniques for quantized transform coefficients in video coding
DK2869557T3 (da) * 2012-06-29 2023-11-06 Electronics & Telecommunications Res Inst Fremgangsmåde og anordning til kodning/afkodning af billeder
US9538175B2 (en) * 2012-09-26 2017-01-03 Qualcomm Incorporated Context derivation for context-adaptive, multi-level significance coding
WO2014053428A1 (en) * 2012-10-01 2014-04-10 Telefonaktiebolaget L M Ericsson (Publ) Coding and decoding of transform skipped blocks
JP6082123B2 (ja) * 2012-11-29 2017-02-15 エルジー エレクトロニクス インコーポレイティド 複数のレイヤをサポートする映像符号化／復号化方法
US11323747B2 (en) * 2013-06-05 2022-05-03 Qualcomm Incorporated Residual differential pulse code modulation (DPCM) extensions and harmonization with transform skip, rotation, and scans
US9445132B2 (en) * 2013-09-09 2016-09-13 Qualcomm Incorporated Two level last significant coefficient (LSC) position coding
US11330284B2 (en) * 2015-03-27 2022-05-10 Qualcomm Incorporated Deriving motion information for sub-blocks in video coding
US10681379B2 (en) * 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
CN108702509B (zh) * 2016-02-25 2023-10-31 株式会社Kt 用于处理视频信号的方法和设备
CN116506602A (zh) * 2016-03-11 2023-07-28 数字洞察力有限公司 视频编码方法以及装置
CN109155847A (zh) * 2016-03-24 2019-01-04 英迪股份有限公司 用于编码/解码视频信号的方法和装置
CN114189678A (zh) * 2016-04-26 2022-03-15 英迪股份有限公司 图像解码方法、图像编码方法以及传输比特流的方法
MX392688B (es) * 2016-05-13 2025-03-24 Sony Corp Aparato y metodo de procesamiento de imagenes.
HRP20230521T1 (hr) * 2018-06-03 2023-08-04 Lg Electronics Inc. Postupak i uređaj za obradu video signala pomoću smanjene transformacije
KR20220024658A (ko) * 2019-06-24 2022-03-03 알리바바 그룹 홀딩 리미티드 비디오 데이터의 변환-스킵 잔차 코딩

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101672456B1 (ko) * 2009-02-09 2016-11-17 삼성전자 주식회사 저복잡도 주파수 변환을 이용한 비디오 부호화 방법과 그 장치, 및 비디오 복호화 방법과 그 장치
KR101672607B1 (ko) * 2011-11-07 2016-11-03 캐논 가부시끼가이샤 부호화 장치, 복호화 장치, 부호화 방법, 복호화 방법, 및 컴퓨터 판독가능 기억 매체

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