CA3113584C - Image signal encoding/decoding method and apparatus therefor - Google Patents

Image signal encoding/decoding method and apparatus therefor Download PDF

Info

Publication number
CA3113584C
CA3113584C CA3113584A CA3113584A CA3113584C CA 3113584 C CA3113584 C CA 3113584C CA 3113584 A CA3113584 A CA 3113584A CA 3113584 A CA3113584 A CA 3113584A CA 3113584 C CA3113584 C CA 3113584C
Authority
CA
Canada
Prior art keywords
value
coefficient
block
prediction
residual
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
CA3113584A
Other languages
English (en)
French (fr)
Other versions
CA3113584A1 (en
Inventor
Bae Keun Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of CA3113584A1 publication Critical patent/CA3113584A1/en
Application granted granted Critical
Publication of CA3113584C publication Critical patent/CA3113584C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/96Tree coding, e.g. quad-tree coding

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA3113584A 2018-09-21 2019-09-20 Image signal encoding/decoding method and apparatus therefor Active CA3113584C (en)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
KR10-2018-0114345 2018-09-21
KR10-2018-0114346 2018-09-21
KR10-2018-0114347 2018-09-21
KR20180114347 2018-09-21
KR20180114350 2018-09-21
KR20180114345 2018-09-21
KR20180114346 2018-09-21
KR10-2018-0114350 2018-09-21
KR20190022754 2019-02-26
KR10-2019-0022754 2019-02-26
PCT/KR2019/012291 WO2020060328A1 (ko) 2018-09-21 2019-09-20 영상 신호 부호화/복호화 방법 및 이를 위한 장치

Publications (2)

Publication Number Publication Date
CA3113584A1 CA3113584A1 (en) 2020-03-26
CA3113584C true CA3113584C (en) 2023-09-19

Family

ID=69887731

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3113584A Active CA3113584C (en) 2018-09-21 2019-09-20 Image signal encoding/decoding method and apparatus therefor

Country Status (17)

Country Link
US (3) US11290737B2 (enExample)
EP (2) EP3843402B1 (enExample)
JP (3) JP7451504B2 (enExample)
KR (1) KR20200034645A (enExample)
CN (3) CN116320397B (enExample)
AU (3) AU2019343079B2 (enExample)
BR (1) BR112021005161A2 (enExample)
CA (1) CA3113584C (enExample)
ES (1) ES2985892T3 (enExample)
IL (2) IL304931A (enExample)
MX (5) MX2021003321A (enExample)
MY (1) MY206350A (enExample)
PH (1) PH12021550644A1 (enExample)
PL (1) PL3843402T3 (enExample)
SG (1) SG11202102908YA (enExample)
WO (1) WO2020060328A1 (enExample)
ZA (1) ZA202102080B (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3975572A1 (en) 2018-09-11 2022-03-30 LG Electronics Inc. Residual coding method and device for same
IL304931A (en) * 2018-09-21 2023-10-01 Guangdong Oppo Mobile Telecommunications Corp Ltd Image signal encoding/decoding method and apparatus therefor
EP3941044A4 (en) * 2019-03-11 2022-12-14 Nippon Hoso Kyokai PICTURE CODING DEVICE, PICTURE DECODING DEVICE, AND PROGRAM
KR102789829B1 (ko) * 2019-03-22 2025-04-01 엘지전자 주식회사 영상 코딩 시스템에서 인트라 예측 기반 영상 디코딩 방법 및 그 장치
KR20250008982A (ko) 2019-04-12 2025-01-16 두인 비전 컴퍼니 리미티드 행렬 기반 인트라 예측에서의 산출
KR102744182B1 (ko) 2019-04-16 2024-12-19 두인 비전 컴퍼니 리미티드 인트라 코딩 모드에서의 행렬 도출
CN113728647B (zh) 2019-05-01 2023-09-05 北京字节跳动网络技术有限公司 基于矩阵的帧内预测的上下文编码
KR102698314B1 (ko) 2019-05-22 2024-08-26 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 업샘플링을 이용한 행렬 기반 인트라 예측
CN114051735B (zh) 2019-05-31 2024-07-05 北京字节跳动网络技术有限公司 基于矩阵的帧内预测中的一步下采样过程
CN117768652A (zh) 2019-06-05 2024-03-26 北京字节跳动网络技术有限公司 视频处理方法、装置、介质、以及存储比特流的方法
CN114467306A (zh) * 2019-07-07 2022-05-10 Oppo广东移动通信有限公司 图像预测方法、编码器、解码器以及存储介质
WO2021083188A1 (en) 2019-10-28 2021-05-06 Beijing Bytedance Network Technology Co., Ltd. Syntax signaling and parsing based on colour component
WO2021193775A1 (ja) * 2020-03-27 2021-09-30 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 符号化装置、復号装置、符号化方法、および復号方法
CN113852816A (zh) * 2021-09-28 2021-12-28 浙江大华技术股份有限公司 视频帧处理方法、装置、计算机设备和可读存储介质
US20250039460A1 (en) * 2021-12-09 2025-01-30 Mediatek Inc. Method and Apparatus for Sign Coding of Transform Coefficients in Video Coding System
WO2023114362A1 (en) * 2021-12-16 2023-06-22 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices for candidate derivation for affine merge mode in video coding

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101457894B1 (ko) 2009-10-28 2014-11-05 삼성전자주식회사 영상 부호화 방법 및 장치, 복호화 방법 및 장치
CN107071458B (zh) * 2010-12-14 2020-01-03 M&K控股株式会社 用于编码运动画面的设备
FR2982447A1 (fr) * 2011-11-07 2013-05-10 France Telecom Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants
US9191670B2 (en) 2012-01-17 2015-11-17 Qualcomm Incorporated Throughput improvement for CABAC coefficient level coding
CN108449602A (zh) * 2012-01-19 2018-08-24 寰发股份有限公司 编码块旗标的编码及视频比特流的解码方法与装置
EP3399753B1 (en) * 2012-01-20 2019-12-11 Velos Media International Limited Multiple sign bit hiding within a transform unit
US9008184B2 (en) * 2012-01-20 2015-04-14 Blackberry Limited Multiple sign bit hiding within a transform unit
US9565435B2 (en) 2012-02-04 2017-02-07 Google Technology Holdings LLC Devices and methods for context reduction in last significant coefficient position coding
US9313498B2 (en) * 2012-04-16 2016-04-12 Qualcomm Incorporated Sign hiding techniques for quantized transform coefficients in video coding
US9294779B2 (en) 2012-06-15 2016-03-22 Blackberry Limited Multi-bit information hiding using overlapping subsets
US20140003530A1 (en) 2012-06-28 2014-01-02 Qualcomm Incorporated Sign hiding techniques for quantized transform coefficients in video coding
CN103796014A (zh) * 2012-10-31 2014-05-14 朱洪波 条件于系数数目的自适应插值滤波器编码
KR20180039578A (ko) * 2015-09-08 2018-04-18 삼성전자주식회사 엔트로피 부호화 및 복호화를 위한 장치 및 방법
CN108432250A (zh) * 2016-01-07 2018-08-21 联发科技股份有限公司 用于视频编解码的仿射帧间预测的方法及装置
WO2017188739A1 (ko) * 2016-04-29 2017-11-02 세종대학교 산학협력단 영상 신호 부호화 및 복호화 방법과 장치
EP3264763A1 (en) 2016-06-29 2018-01-03 Thomson Licensing Method and apparatus for improved significance flag coding using simple local predictor
WO2018026148A1 (ko) * 2016-08-01 2018-02-08 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US10448010B2 (en) * 2016-10-05 2019-10-15 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding
KR20180089290A (ko) * 2017-01-31 2018-08-08 세종대학교산학협력단 영상의 부호화/복호화 방법 및 장치
US11019346B2 (en) * 2018-07-02 2021-05-25 Qualcomm Incorporated Coefficient coding with grouped bypass remaining levels for dependent quantization
KR102533654B1 (ko) 2018-07-02 2023-05-18 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 종속 스칼라 양자화에 적합한 변환 계수의 엔트로피 코딩
CN112567754B (zh) * 2018-08-22 2022-09-20 寰发股份有限公司 转换系数编码或解码的方法与装置
US11483575B2 (en) * 2018-08-24 2022-10-25 Hfi Innovation Inc. Coding transform coefficients with throughput constraints
US11336918B2 (en) * 2018-09-05 2022-05-17 Qualcomm Incorporated Regular coded bin reduction for coefficient coding
CN116708825A (zh) 2018-09-20 2023-09-05 Lg电子株式会社 图像解码方法、图像编码方法和数据发送方法
IL304931A (en) * 2018-09-21 2023-10-01 Guangdong Oppo Mobile Telecommunications Corp Ltd Image signal encoding/decoding method and apparatus therefor

Also Published As

Publication number Publication date
ES2985892T3 (es) 2024-11-07
JP2022501896A (ja) 2022-01-06
AU2023203259A1 (en) 2023-06-08
US20210211704A1 (en) 2021-07-08
US20250220217A1 (en) 2025-07-03
BR112021005161A2 (pt) 2021-06-15
EP3843402A4 (en) 2021-10-27
US12294732B2 (en) 2025-05-06
CN112956200A (zh) 2021-06-11
EP4340356A2 (en) 2024-03-20
CN116320397A (zh) 2023-06-23
WO2020060328A1 (ko) 2020-03-26
MX2021003321A (es) 2021-05-14
CN113225561A (zh) 2021-08-06
MY206350A (en) 2024-12-12
PH12021550644A1 (en) 2021-10-11
PL3843402T3 (pl) 2024-06-24
IL304931A (en) 2023-10-01
SG11202102908YA (en) 2021-04-29
AU2024278251A1 (en) 2025-01-02
CN113225561B (zh) 2023-04-21
EP3843402B1 (en) 2024-03-27
AU2023203259B2 (en) 2024-09-19
IL281629A (en) 2021-05-31
EP4340356A3 (en) 2024-05-29
JP7661557B2 (ja) 2025-04-14
KR20200034645A (ko) 2020-03-31
US11290737B2 (en) 2022-03-29
US20220166999A1 (en) 2022-05-26
CA3113584A1 (en) 2020-03-26
CN116320397B (zh) 2025-11-14
JP7451504B2 (ja) 2024-03-18
MX2024013522A (es) 2024-12-06
JP2025098241A (ja) 2025-07-01
MX2024013518A (es) 2024-12-06
IL281629B1 (en) 2023-09-01
MX2024013520A (es) 2024-12-06
AU2019343079B2 (en) 2023-04-27
EP3843402A1 (en) 2021-06-30
ZA202102080B (en) 2022-08-31
JP2024063204A (ja) 2024-05-10
AU2019343079A1 (en) 2021-04-29
MX2024013519A (es) 2024-12-06
IL281629B2 (en) 2024-01-01

Similar Documents

Publication Publication Date Title
CA3113584C (en) Image signal encoding/decoding method and apparatus therefor
US20230353724A1 (en) Method for encoding/decoding video signal, and apparatus therefor
JP7430716B2 (ja) ビデオ信号の符号化方法および復号化方法並びにその装置
KR20210022510A (ko) 영상 신호 부호화/복호화 방법 및 이를 위한 장치
RU2852259C1 (ru) Способ и устройство для кодирования/декодирования сигналов изображений
RU2831950C1 (ru) Способ для кодирования/декодирования сигналов изображений
RU2841600C1 (ru) Способ и устройство для кодирования/декодирования сигналов изображений
RU2801585C2 (ru) Способ и устройство для кодирования/декодирования сигналов изображений
RU2818972C2 (ru) Способ и устройство для кодирования/декодирования сигналов изображений
CN121262380A (zh) 视频信号编码/解码方法以及用于所述方法的设备
BR122025004921A2 (pt) Método de decodificação de vídeo, e método de codificação de vídeo
BR122025004926A2 (pt) Método de decodificação de vídeo, e método de codificação de vídeo
BR122025004924A2 (pt) Método de decodificação de vídeo, e método de codificação de vídeo
BR122025004928A2 (pt) Método de decodificação de vídeo, e método de codificação de vídeo
KR20210115898A (ko) 비디오 신호 처리 방법 및 장치

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20210319

EEER Examination request

Effective date: 20210319

EEER Examination request

Effective date: 20210319

EEER Examination request

Effective date: 20210319

EEER Examination request

Effective date: 20210319

EEER Examination request

Effective date: 20210319

EEER Examination request

Effective date: 20210319

EEER Examination request

Effective date: 20210319