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

Info

Publication number
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
Authority
KR
South Korea
Prior art keywords
transform
scanning
order
current block
block
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
KR1020180089465A
Other languages
English (en)
Korean (ko)
Other versions
KR20190013666A (ko
Inventor
임성창
고현석
강정원
이진호
이하현
전동산
김휘용
Original Assignee
한국전자통신연구원
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
Application filed by 한국전자통신연구원 filed Critical 한국전자통신연구원
Publication of KR20190013666A publication Critical patent/KR20190013666A/ko
Priority to KR1020220123690A priority Critical patent/KR102559421B1/ko
Application granted granted Critical
Publication of KR102450506B1 publication Critical patent/KR102450506B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N19/134—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

Landscapes

  • 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)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020220123690A KR102559421B1 (ko) 2017-07-31 2022-09-28 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20170096656 2017-07-31
KR1020170096656 2017-07-31

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020220123690A Division KR102559421B1 (ko) 2017-07-31 2022-09-28 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Publications (2)

Publication Number Publication Date
KR20190013666A KR20190013666A (ko) 2019-02-11
KR102450506B1 true KR102450506B1 (ko) 2022-10-05

Family

ID=65234039

Family Applications (4)

Application Number Title Priority Date Filing Date
KR1020180089465A Active KR102450506B1 (ko) 2017-07-31 2018-07-31 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
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
KR1020240130086A Pending KR20240144077A (ko) 2017-07-31 2024-09-25 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Family Applications After (3)

Application Number Title Priority Date Filing Date
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
KR1020240130086A Pending KR20240144077A (ko) 2017-07-31 2024-09-25 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Country Status (5)

Country Link
US (2) US11805256B2 (https=)
JP (4) JP7198268B2 (https=)
KR (4) KR102450506B1 (https=)
CN (6) CN115460403A (https=)
WO (1) WO2019027241A1 (https=)

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
US11350118B2 (en) 2018-05-30 2022-05-31 Digitalinsights Inc. Image encoding/decoding method and device
KR102030384B1 (ko) 2018-06-19 2019-11-08 광운대학교 산학협력단 잔차 계수 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
CN112640470A (zh) 2018-09-03 2021-04-09 华为技术有限公司 视频编码器、视频解码器及对应方法
IL312227B2 (en) * 2018-09-21 2026-04-01 Interdigital Vc Holdings Inc Scalar quantizer decision diagram for dependent scalar quantization
KR102795463B1 (ko) * 2018-09-24 2025-04-15 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 종속 스칼라 양자화를 사용하거나 이와 조합하는 데에 적합한 변환 계수의 효율적인 코딩
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
CN113228685B (zh) * 2018-12-19 2023-08-04 Lg电子株式会社 用于基于二次变换编码图像的方法及其装置
US11523128B2 (en) * 2018-12-27 2022-12-06 Lg Electronics Inc. Video decoding method and apparatus using residual rearrangement in video coding system
KR20250069986A (ko) * 2019-01-01 2025-05-20 엘지전자 주식회사 이차 변환에 기반한 영상 코딩 방법 및 그 장치
WO2020156515A1 (en) * 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Refined quantization steps in video coding
GB2583061B (en) * 2019-02-12 2023-03-15 Advanced Risc Mach Ltd Data processing systems
CN113632493B (zh) * 2019-03-13 2024-07-12 北京字节跳动网络技术有限公司 变换跳过模式中的子块变换
US11956427B2 (en) 2019-03-21 2024-04-09 Sk Telecom Co., Ltd. Method of restoration in subblock units, and video decoding apparatus
CN120017845A (zh) * 2019-04-15 2025-05-16 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
CN113767627B (zh) 2019-04-23 2022-11-25 北京字节跳动网络技术有限公司 基于二次变换的视频处理中的裁剪操作
KR102809767B1 (ko) 2019-06-19 2025-05-16 엘지전자 주식회사 변환에 기반한 영상 코딩 방법 및 그 장치
CN114679917B9 (zh) 2019-06-24 2025-07-08 阿里巴巴集团控股有限公司 视频数据的变换跳过残差编码
KR102745245B1 (ko) 2019-06-25 2024-12-23 삼성전자주식회사 2차 변환을 이용하는 비디오 신호 처리 방법 및 장치
US11496774B2 (en) * 2019-08-27 2022-11-08 Tencent America LLC Header syntax for QT/BT/TT size
WO2021040486A1 (ko) * 2019-08-31 2021-03-04 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
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
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
EP4124036A4 (en) 2020-09-27 2023-11-22 Tencent Technology (Shenzhen) Company Limited Video coding/decoding method, apparatus, and device
CN116095329A (zh) * 2021-02-21 2023-05-09 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
CN119893123B (zh) * 2021-03-12 2026-03-24 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
EP2733952A1 (en) 2005-10-21 2014-05-21 Electronics and Telecommunications Research Institute Method for encoding moving picture using adaptive scanning
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
US9445093B2 (en) * 2011-06-29 2016-09-13 Qualcomm Incorporated Multiple zone scanning order for video coding
US20130003837A1 (en) 2011-06-29 2013-01-03 General Instrument Corporation Methods and system for using a scan coding pattern during intra coding
US9392301B2 (en) * 2011-07-01 2016-07-12 Qualcomm Incorporated Context adaptive entropy coding for non-square blocks in video coding
US9807426B2 (en) * 2011-07-01 2017-10-31 Qualcomm Incorporated Applying non-square transforms to video data
US9756360B2 (en) * 2011-07-19 2017-09-05 Qualcomm Incorporated Coefficient scanning in video coding
KR101533720B1 (ko) * 2011-10-17 2015-07-03 주식회사 케이티 영상 부호화/복호화 방법 및 그 장치
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
GB2561782B (en) * 2011-11-08 2019-01-16 Kt Corp Method and apparatus for encoding image, and method and apparatus for decoding image
US9565431B2 (en) * 2012-04-04 2017-02-07 Qualcomm Incorporated Low-delay video buffering in video coding
US10873761B2 (en) * 2012-04-13 2020-12-22 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a subset of transform units of encoded video data
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
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
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
US20150312571A1 (en) * 2012-11-29 2015-10-29 Lg Electronics Inc. Method and device for encoding/ decoding image supporting plurality of layers
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
US10200711B2 (en) * 2015-03-27 2019-02-05 Qualcomm Incorporated Motion vector derivation in video coding
US10491922B2 (en) * 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
US20190068989A1 (en) * 2016-02-25 2019-02-28 Kt Corporation Video signal processing method and device
CN116506601B (zh) * 2016-03-11 2026-03-13 数字洞察力有限公司 视频编码方法以及装置
EP3435673A4 (en) * 2016-03-24 2019-12-25 Intellectual Discovery Co., Ltd. METHOD AND DEVICE FOR CODING / DECODING A VIDEO SIGNAL
EP3968634A1 (en) * 2016-04-26 2022-03-16 Intellectual Discovery Co., Ltd. Method and device for encoding/decoding image
EP4568242A1 (en) 2016-05-13 2025-06-11 Sony Group Corporation Image processing apparatus and method
ES3030533T3 (en) * 2018-06-03 2025-06-30 Lg Electronics Inc Method and device for processing video signal by using reduced transform
CN114679917B9 (zh) * 2019-06-24 2025-07-08 阿里巴巴集团控股有限公司 视频数据的变换跳过残差编码

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

Also Published As

Publication number Publication date
JP7198268B2 (ja) 2022-12-28
KR20240144077A (ko) 2024-10-02
KR20230112597A (ko) 2023-07-27
JP2024036609A (ja) 2024-03-15
US11805256B2 (en) 2023-10-31
CN110999293B (zh) 2022-11-04
CN115550651A (zh) 2022-12-30
JP2022179762A (ja) 2022-12-02
KR20190013666A (ko) 2019-02-11
KR102712074B1 (ko) 2024-10-02
US20200288134A1 (en) 2020-09-10
KR102559421B1 (ko) 2023-07-26
KR20220136329A (ko) 2022-10-07
JP2025156639A (ja) 2025-10-14
JP2020529766A (ja) 2020-10-08
WO2019027241A1 (ko) 2019-02-07
US12556705B2 (en) 2026-02-17
CN115460403A (zh) 2022-12-09
JP7434486B2 (ja) 2024-02-20
US20240015293A1 (en) 2024-01-11
CN115442606A (zh) 2022-12-06
CN115442607A (zh) 2022-12-06
CN115474043A (zh) 2022-12-13
CN110999293A (zh) 2020-04-10
JP7763876B2 (ja) 2025-11-04

Similar Documents

Publication Publication Date Title
KR102559421B1 (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR102397475B1 (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR102403152B1 (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR102424240B1 (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR102434327B1 (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR102424239B1 (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR102410424B1 (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR20220127801A (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR20230038168A (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR20230113261A (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한기록 매체
KR20250034933A (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR20230074680A (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR102870740B1 (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
CN117412045A (zh) 图像编码/解码方法和装置
KR20210065063A (ko) 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR20210003604A (ko) 화면내 예측 방법 및 장치

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20180731

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20200812

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 20180731

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20220118

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20220628

A107 Divisional application of patent
GRNT Written decision to grant
PA0107 Divisional application

Comment text: Divisional Application of Patent

Patent event date: 20220928

Patent event code: PA01071R01D

PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20220928

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20220929

End annual number: 3

Start annual number: 1

PG1601 Publication of registration