PL4030760T3 - Sposób dekodowania/kodowania obrazu do przeprowadzania bdof i sposób przesyłania strumienia bitowego - Google Patents

Sposób dekodowania/kodowania obrazu do przeprowadzania bdof i sposób przesyłania strumienia bitowego

Info

Publication number
PL4030760T3
PL4030760T3 PL20863214.1T PL20863214T PL4030760T3 PL 4030760 T3 PL4030760 T3 PL 4030760T3 PL 20863214 T PL20863214 T PL 20863214T PL 4030760 T3 PL4030760 T3 PL 4030760T3
Authority
PL
Poland
Prior art keywords
image decoding
encoding method
bdof
transmitting bitstream
bitstream
Prior art date
Application number
PL20863214.1T
Other languages
English (en)
Inventor
Nae Ri Park
Jung Hak Nam
Hyeong Moon Jang
Seung Hwan Kim
Original Assignee
Lg Electronics Inc.
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 Lg Electronics Inc. filed Critical Lg Electronics Inc.
Publication of PL4030760T3 publication Critical patent/PL4030760T3/pl

Links

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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
PL20863214.1T 2019-09-10 2020-09-09 Sposób dekodowania/kodowania obrazu do przeprowadzania bdof i sposób przesyłania strumienia bitowego PL4030760T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962898531P 2019-09-10 2019-09-10
US201962904648P 2019-09-23 2019-09-23
PCT/KR2020/012153 WO2021049865A1 (ko) 2019-09-10 2020-09-09 Bdof를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Publications (1)

Publication Number Publication Date
PL4030760T3 true PL4030760T3 (pl) 2025-03-03

Family

ID=74867156

Family Applications (2)

Application Number Title Priority Date Filing Date
PL24210102.0T PL4478707T3 (pl) 2019-09-10 2020-09-09 Urządzenie do kodowania/dekodowania obrazu do przeprowadzania bdof, i urządzenie do przesyłania strumienia bitowego
PL20863214.1T PL4030760T3 (pl) 2019-09-10 2020-09-09 Sposób dekodowania/kodowania obrazu do przeprowadzania bdof i sposób przesyłania strumienia bitowego

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL24210102.0T PL4478707T3 (pl) 2019-09-10 2020-09-09 Urządzenie do kodowania/dekodowania obrazu do przeprowadzania bdof, i urządzenie do przesyłania strumienia bitowego

Country Status (14)

Country Link
US (2) US12231644B2 (pl)
EP (3) EP4604518A3 (pl)
JP (2) JP2022547988A (pl)
KR (2) KR20220036966A (pl)
CN (1) CN114365485B (pl)
AU (3) AU2020347025B2 (pl)
ES (2) ES3004864T3 (pl)
FI (1) FI4030760T3 (pl)
HR (2) HRP20251109T1 (pl)
HU (2) HUE073035T2 (pl)
PL (2) PL4478707T3 (pl)
RS (1) RS67179B1 (pl)
SI (1) SI4030760T1 (pl)
WO (1) WO2021049865A1 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102805912B1 (ko) * 2019-09-20 2025-05-14 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) 시프트 동작들에 대한 양방향 광학 흐름 단순화를 이용한 비디오 인코딩 및/또는 디코딩 방법들 및 관련 장치
WO2026056827A1 (en) * 2024-09-11 2026-03-19 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9049450B2 (en) * 2010-04-05 2015-06-02 Samsung Electronics Co., Ltd. Method and apparatus for encoding video based on internal bit depth increment, and method and apparatus for decoding video based on internal bit depth increment
EP2806649A1 (en) * 2012-01-18 2014-11-26 Electronics and Telecommunications Research Institute Method and device for encoding and decoding image
US10560713B2 (en) * 2015-09-24 2020-02-11 Lg Electronics Inc. Method and apparatus for motion vector refinement-based inter prediction in image coding system
US10375413B2 (en) * 2015-09-28 2019-08-06 Qualcomm Incorporated Bi-directional optical flow for video coding
KR102850817B1 (ko) 2016-03-24 2025-08-27 엘지전자 주식회사 비디오 코딩 시스템에서 인터 예측 방법 및 장치
US10798385B2 (en) 2016-04-25 2020-10-06 Lg Electronics Inc. Inter-prediction method and apparatus in image coding system
US10958931B2 (en) * 2016-05-11 2021-03-23 Lg Electronics Inc. Inter prediction method and apparatus in video coding system
WO2018066867A1 (ko) * 2016-10-04 2018-04-12 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
WO2018113658A1 (en) * 2016-12-22 2018-06-28 Mediatek Inc. Method and apparatus of motion refinement for video coding
US11109062B2 (en) * 2017-03-16 2021-08-31 Mediatek Inc. Method and apparatus of motion refinement based on bi-directional optical flow for video coding
US10659788B2 (en) * 2017-11-20 2020-05-19 Google Llc Block-based optical flow estimation for motion compensated prediction in video coding
US11284107B2 (en) 2017-08-22 2022-03-22 Google Llc Co-located reference frame interpolation using optical flow estimation
WO2019045427A1 (ko) 2017-08-29 2019-03-07 에스케이텔레콤 주식회사 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
KR102580910B1 (ko) 2017-08-29 2023-09-20 에스케이텔레콤 주식회사 양방향 옵티컬 플로우를 이용한 움직임 보상 방법 및 장치
CN118158437A (zh) * 2017-09-29 2024-06-07 英迪股份有限公司 对图像进行解码的方法、对图像进行编码的方法以及用于发送通过对图像进行编码的方法生成的比特流的方法
WO2020150080A1 (en) 2019-01-14 2020-07-23 Interdigital Vc Holdings, Inc. Method and apparatus for video encoding and decoding with bi-directional optical flow adapted to weighted prediction

Also Published As

Publication number Publication date
HRP20251109T1 (hr) 2025-11-21
PL4478707T3 (pl) 2025-12-15
EP4030760A4 (en) 2023-09-06
EP4478707A2 (en) 2024-12-18
JP2022547988A (ja) 2022-11-16
JP2024125405A (ja) 2024-09-18
ES3004864T3 (en) 2025-03-13
HUE073035T2 (hu) 2025-12-28
US20220337842A1 (en) 2022-10-20
EP4478707C0 (en) 2025-08-13
AU2020347025B2 (en) 2024-02-29
EP4604518A2 (en) 2025-08-20
ES3041014T3 (en) 2025-11-06
EP4604518A3 (en) 2025-11-05
AU2026201940A1 (en) 2026-04-02
CN114365485A (zh) 2022-04-15
AU2020347025A1 (en) 2022-03-24
EP4030760B1 (en) 2024-12-11
AU2024203549B2 (en) 2025-12-18
KR20220036966A (ko) 2022-03-23
HUE070019T2 (hu) 2025-05-28
US20240422323A1 (en) 2024-12-19
US12231644B2 (en) 2025-02-18
AU2024203549A1 (en) 2024-06-20
EP4030760A1 (en) 2022-07-20
EP4478707A3 (en) 2025-01-29
KR20240170971A (ko) 2024-12-05
CN114365485B (zh) 2026-03-27
JP7833628B2 (ja) 2026-03-23
EP4478707B1 (en) 2025-08-13
HRP20250032T1 (hr) 2025-03-14
WO2021049865A1 (ko) 2021-03-18
SI4030760T1 (sl) 2025-04-30
RS67179B1 (sr) 2025-09-30
FI4030760T3 (fi) 2025-01-14

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