IL304953A - A method of encoding/decoding image signals and a device therefor - Google Patents

A method of encoding/decoding image signals and a device therefor

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Publication number
IL304953A
IL304953A IL304953A IL30495323A IL304953A IL 304953 A IL304953 A IL 304953A IL 304953 A IL304953 A IL 304953A IL 30495323 A IL30495323 A IL 30495323A IL 304953 A IL304953 A IL 304953A
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IL
Israel
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IL304953A
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English (en)
Hebrew (he)
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of IL304953A publication Critical patent/IL304953A/en

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    • 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
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/132Sampling, 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
    • H04N19/10Methods 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
    • H04N19/186Methods 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
    • 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
    • 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
    • H04N19/537Motion estimation other than block-based
    • H04N19/54Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/70Methods 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
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/94Vector quantisation
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
IL304953A 2018-09-21 2019-09-20 A method of encoding/decoding image signals and a device therefor IL304953A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20180114342 2018-09-21
KR20180114343 2018-09-21
KR20180114344 2018-09-21
PCT/KR2019/012290 WO2020060327A1 (ko) 2018-09-21 2019-09-20 영상 신호 부호화/복호화 방법 및 이를 위한 장치

Publications (1)

Publication Number Publication Date
IL304953A true IL304953A (en) 2023-10-01

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Family Applications (2)

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IL304953A IL304953A (en) 2018-09-21 2019-09-20 A method of encoding/decoding image signals and a device therefor
IL281622A IL281622B2 (en) 2018-09-21 2019-09-20 Image signal encoding/decoding method and device therefor

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IL281622A IL281622B2 (en) 2018-09-21 2019-09-20 Image signal encoding/decoding method and device therefor

Country Status (17)

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US (8) US11223845B2 (https=)
EP (5) EP3840376B1 (https=)
JP (3) JP7449279B2 (https=)
KR (2) KR102916941B1 (https=)
CN (6) CN121309847A (https=)
AU (6) AU2019344978B2 (https=)
BR (1) BR112021004922A2 (https=)
CA (2) CA3250687A1 (https=)
CL (1) CL2021000671A1 (https=)
ES (3) ES2955040T3 (https=)
IL (2) IL304953A (https=)
MX (5) MX2021003325A (https=)
PH (1) PH12021550627A1 (https=)
PL (3) PL4224849T3 (https=)
SG (1) SG11202102788YA (https=)
WO (1) WO2020060327A1 (https=)
ZA (1) ZA202101846B (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118972591A (zh) * 2018-05-24 2024-11-15 株式会社Kt 对视频进行解码和编码的方法以及用于发送压缩视频数据的装置
WO2020010741A1 (zh) * 2018-07-11 2020-01-16 华为技术有限公司 视频编码器、视频解码器及相应方法
IL326179A (en) 2018-09-21 2026-03-01 Guangdong Oppo Mobile Telecommunications Corp Ltd Method for encoding/decoding image signals and apparatus therefor
EP3840387B1 (en) 2018-10-12 2024-03-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for encoding/decoding image signal and device for same
KR20250058116A (ko) 2018-12-07 2025-04-29 삼성전자주식회사 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치
CN113068025B (zh) 2018-12-25 2023-05-12 Oppo广东移动通信有限公司 解码预测方法、装置及计算机存储介质
MY207067A (en) * 2019-01-02 2025-01-28 Apple Inc Image signal encoding/decoding method and device for same
US12120335B2 (en) * 2021-08-24 2024-10-15 Tencent America LLC Hardware friendly design for intra mode coding
WO2023220970A1 (zh) * 2022-05-18 2023-11-23 Oppo广东移动通信有限公司 视频编码方法、装置、设备、系统、及存储介质

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7730406B2 (en) * 2004-10-20 2010-06-01 Hewlett-Packard Development Company, L.P. Image processing system and method
JP2011217044A (ja) * 2010-03-31 2011-10-27 Sony Corp 画像処理装置、画像処理方法および画像処理プログラム
EP3614670B1 (en) 2011-12-15 2021-02-03 Tagivan Ii Llc Signaling of luminance-chrominance coded block flags (cbf) in video coding
CN107809642B (zh) * 2015-02-16 2020-06-16 华为技术有限公司 用于视频图像编码和解码的方法、编码设备和解码设备
US20190158870A1 (en) * 2016-01-07 2019-05-23 Mediatek Inc. Method and apparatus for affine merge mode prediction for video coding system
US10798403B2 (en) * 2016-01-29 2020-10-06 Sharp Kabushiki Kaisha Prediction image generation device, video decoding device, and video coding device
US10560712B2 (en) 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
JP7026049B2 (ja) * 2016-09-27 2022-02-25 シャープ株式会社 アフィン動きベクトル導出装置、予測画像生成装置、動画像復号装置、および動画像符号化装置
US10448010B2 (en) * 2016-10-05 2019-10-15 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding
US20190273943A1 (en) * 2016-10-10 2019-09-05 Sharp Kabushiki Kaisha Systems and methods for performing motion compensation for coding of video data
KR102293097B1 (ko) * 2016-10-14 2021-08-25 후아웨이 테크놀러지 컴퍼니 리미티드 비디오 코딩을 위한 디바이스들 및 방법들
US10555006B2 (en) * 2016-12-22 2020-02-04 Qualcomm Incorporated Deriving bilateral filter information based on a prediction mode in video coding
US10681370B2 (en) * 2016-12-29 2020-06-09 Qualcomm Incorporated Motion vector generation for affine motion model for video coding
KR20180085526A (ko) * 2017-01-19 2018-07-27 가온미디어 주식회사 효율적 변환을 처리하는 영상 복호화 및 부호화 방법
WO2018135885A1 (ko) 2017-01-19 2018-07-26 가온미디어 주식회사 변환 처리를 제공하는 영상 복호화 및 부호화 방법
KR20180098158A (ko) * 2017-02-24 2018-09-03 주식회사 케이티 비디오 신호 처리 방법 및 장치
US10701390B2 (en) * 2017-03-14 2020-06-30 Qualcomm Incorporated Affine motion information derivation
US11877001B2 (en) * 2017-10-10 2024-01-16 Qualcomm Incorporated Affine prediction in video coding
NZ769216A (en) * 2018-03-25 2022-04-29 B1 Institute Image Technology Inc Image encoding/decoding method and device
US10798394B2 (en) * 2018-06-27 2020-10-06 Avago Technologies International Sales Pte. Limited Low complexity affine merge mode for versatile video coding
JP7395518B2 (ja) 2018-06-30 2023-12-11 オッポ広東移動通信有限公司 マージモードに基づくインター予測方法及び装置
US10462488B1 (en) * 2018-07-13 2019-10-29 Tencent America LLC Method and apparatus for video coding
KR20200028856A (ko) 2018-09-07 2020-03-17 김기백 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치

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JP7834225B2 (ja) 2026-03-23
AU2024227107A1 (en) 2024-10-24
AU2026201194A1 (en) 2026-03-05
EP4224851A1 (en) 2023-08-09
BR112021004922A2 (pt) 2021-06-08
US11758176B2 (en) 2023-09-12
CN121309847A (zh) 2026-01-09
CA3113054A1 (en) 2020-03-26
US20220094964A1 (en) 2022-03-24
IL281622A (en) 2021-05-31
CN113225560B (zh) 2023-05-23
ES2984701T3 (es) 2024-10-30
EP4224848A1 (en) 2023-08-09
AU2019344978A1 (en) 2021-04-15
AU2024227106B2 (en) 2025-12-11
CN120455660A (zh) 2025-08-08
KR102916941B1 (ko) 2026-01-23
US11223845B2 (en) 2022-01-11
MX2024011344A (es) 2024-09-27
US20260012630A1 (en) 2026-01-08
CA3113054C (en) 2025-09-16
JP7449279B2 (ja) 2024-03-13
PL3840376T3 (pl) 2023-12-11
MX2024011341A (es) 2024-09-27
US20250330631A1 (en) 2025-10-23
AU2024227107B2 (en) 2025-10-16
JP2022502899A (ja) 2022-01-11
PH12021550627A1 (en) 2022-02-14
JP7693872B2 (ja) 2025-06-17
EP4224849A1 (en) 2023-08-09
US20210203977A1 (en) 2021-07-01
KR20260018942A (ko) 2026-02-09
PL4224849T3 (pl) 2024-08-19
AU2024227108A1 (en) 2024-10-24
CA3250687A1 (en) 2025-06-05
EP3840376B1 (en) 2023-07-05
EP4224849B1 (en) 2024-06-12
CN112840647A (zh) 2021-05-25
US20260012631A1 (en) 2026-01-08
AU2019344978B2 (en) 2024-07-11
AU2024227109B2 (en) 2025-11-20
MX2024011343A (es) 2024-09-27
US20230421799A1 (en) 2023-12-28
CN120512533A (zh) 2025-08-19
CN113225560A (zh) 2021-08-06
AU2024227106A1 (en) 2024-10-24
ES2984725T3 (es) 2024-10-30
EP4224850A1 (en) 2023-08-09
EP3840376A1 (en) 2021-06-23
EP3840376A4 (en) 2021-07-07
JP2025124826A (ja) 2025-08-26
PL4224850T3 (pl) 2024-09-16
IL281622B2 (en) 2024-01-01
ES2955040T3 (es) 2023-11-28
AU2024227108B2 (en) 2025-11-27
AU2024227109A1 (en) 2024-10-24
SG11202102788YA (en) 2021-04-29
KR20200034644A (ko) 2020-03-31
CN120568046A (zh) 2025-08-29
US20260019622A1 (en) 2026-01-15
IL281622B1 (en) 2023-09-01
US20260019621A1 (en) 2026-01-15
ZA202101846B (en) 2022-07-27
EP4224850B1 (en) 2024-06-12
JP2024063128A (ja) 2024-05-10
CL2021000671A1 (es) 2021-09-03
WO2020060327A1 (ko) 2020-03-26
MX2024011342A (es) 2024-09-27
MX2021003325A (es) 2021-05-14
US12382083B2 (en) 2025-08-05

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