KR102950236B1 - 디코딩 방법, 인코딩 방법 및 장치 - Google Patents

디코딩 방법, 인코딩 방법 및 장치

Info

Publication number
KR102950236B1
KR102950236B1 KR1020257041055A KR20257041055A KR102950236B1 KR 102950236 B1 KR102950236 B1 KR 102950236B1 KR 1020257041055 A KR1020257041055 A KR 1020257041055A KR 20257041055 A KR20257041055 A KR 20257041055A KR 102950236 B1 KR102950236 B1 KR 102950236B1
Authority
KR
South Korea
Prior art keywords
value
video
decoding
picture frame
picture
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
KR1020257041055A
Other languages
English (en)
Korean (ko)
Other versions
KR20260001129A (ko
Inventor
량 웨이
팡둥 천
리 왕
Original Assignee
항조우 힉비젼 디지털 테크놀로지 컴퍼니 리미티드
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 항조우 힉비젼 디지털 테크놀로지 컴퍼니 리미티드 filed Critical 항조우 힉비젼 디지털 테크놀로지 컴퍼니 리미티드
Publication of KR20260001129A publication Critical patent/KR20260001129A/ko
Application granted granted Critical
Publication of KR102950236B1 publication Critical patent/KR102950236B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • 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
    • H04N19/90—Methods 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
    • H04N19/94—Vector quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020257041055A 2021-11-11 2022-11-10 디코딩 방법, 인코딩 방법 및 장치 Active KR102950236B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202111334223.8 2021-11-11
CN202111334223.8A CN116074531B (zh) 2021-11-11 2021-11-11 解码方法、编码方法及装置
KR1020247019244A KR102899163B1 (ko) 2021-11-11 2022-11-10 디코딩 방법, 인코딩 방법 및 장치
PCT/CN2022/131068 WO2023083245A1 (zh) 2021-11-11 2022-11-10 解码方法、编码方法及装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020247019244A Division KR102899163B1 (ko) 2021-11-11 2022-11-10 디코딩 방법, 인코딩 방법 및 장치

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020267010473A Division KR20260053084A (ko) 2021-11-11 2022-11-10 디코딩 방법, 인코딩 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20260001129A KR20260001129A (ko) 2026-01-05
KR102950236B1 true KR102950236B1 (ko) 2026-04-07

Family

ID=86170459

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020257041055A Active KR102950236B1 (ko) 2021-11-11 2022-11-10 디코딩 방법, 인코딩 방법 및 장치
KR1020247019244A Active KR102899163B1 (ko) 2021-11-11 2022-11-10 디코딩 방법, 인코딩 방법 및 장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020247019244A Active KR102899163B1 (ko) 2021-11-11 2022-11-10 디코딩 방법, 인코딩 방법 및 장치

Country Status (7)

Country Link
US (2) US12556701B2 (https=)
EP (1) EP4432654A4 (https=)
JP (1) JP2024543436A (https=)
KR (2) KR102950236B1 (https=)
CN (2) CN116074531B (https=)
TW (1) TWI829424B (https=)
WO (1) WO2023083245A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116896643B (zh) * 2023-07-18 2025-08-29 翱捷科技股份有限公司 一种基于虚拟帧同步的帧间并行编码码率控制方法及装置
US12439089B2 (en) * 2023-10-04 2025-10-07 Tencent America LLC Short distance predictions for residual blocks

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100074338A1 (en) 2007-03-20 2010-03-25 Fujitsu Limited Video encoding method and apparatus, and video decoding apparatus
WO2013032576A2 (en) 2011-06-30 2013-03-07 General Instrument Corporation Quantization parameter derivation from qp predictor
US20140079135A1 (en) 2012-09-14 2014-03-20 Qualcomm Incoporated Performing quantization to facilitate deblocking filtering
US20210120245A1 (en) 2018-06-27 2021-04-22 Canon Kabushiki Kaisha Image coding apparatus, image coding method, and program, and image decoding apparatus, image decoding method, and program

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2486726B (en) * 2010-12-23 2017-11-29 British Broadcasting Corp Compression of pictures
US9161046B2 (en) * 2011-10-25 2015-10-13 Qualcomm Incorporated Determining quantization parameters for deblocking filtering for video coding
ES2823478T3 (es) * 2011-12-13 2021-05-07 Jvc Kenwood Corp Dispositivo de codificación de vídeo, procedimiento de codificación de vídeo, programa de codificación de vídeo, dispositivo de decodificación de vídeo, procedimiento de decodificación de vídeo, y programa de decodificación de vídeo
TWI638564B (zh) * 2011-12-21 2018-10-11 Ｊｖｃ建伍股份有限公司 Dynamic image decoding device, dynamic image decoding method, and recording medium recorded with dynamic image decoding program
SI2811745T1 (sl) * 2012-01-30 2018-12-31 Samsung Electronics Co., Ltd Postopek in naprava za kodiranje in dekodiranje videa na podlagi hierarhičnih podatkov, ki vsebuje napovedovanje kvantizacijskega parametra
US9294766B2 (en) * 2013-09-09 2016-03-22 Apple Inc. Chroma quantization in video coding
WO2016074147A1 (en) * 2014-11-11 2016-05-19 Mediatek Singapore Pte. Ltd. Separated coding tree for luma and chroma
US9628803B2 (en) * 2014-11-25 2017-04-18 Blackberry Limited Perceptual image and video coding
JP6866299B2 (ja) * 2015-04-23 2021-04-28 オステンド・テクノロジーズ・インコーポレーテッド 全方向視差ライトフィールド表示システム用の方法および装置
US10448056B2 (en) * 2016-07-15 2019-10-15 Qualcomm Incorporated Signaling of quantization information in non-quadtree-only partitioned video coding
WO2018018486A1 (en) * 2016-07-28 2018-02-01 Mediatek Inc. Methods of reference quantization parameter derivation for signaling of quantization parameter in quad-tree plus binary tree structure
CN118214857A (zh) * 2017-10-26 2024-06-18 英迪股份有限公司 用于基于非对称子块的图像编码/解码的方法及装置
US10904529B2 (en) * 2018-01-19 2021-01-26 Qualcomm Incorporated Quantization group for video coding
DE102018110383B4 (de) * 2018-04-30 2025-11-13 Basler Ag Verfahren und Vorrichtung zum Kodieren von Bilddaten
CN110536133B (zh) * 2018-05-24 2021-11-19 华为技术有限公司 视频数据解码方法及装置
US11277612B2 (en) * 2018-06-25 2022-03-15 Electronics And Telecommunications Research Institute Method and apparatus for encoding/decoding image using quantization parameter, and recording medium storing bitstream
CN110881129B (zh) 2018-09-05 2024-01-05 华为技术有限公司 视频解码方法及视频解码器
WO2020048361A1 (zh) * 2018-09-05 2020-03-12 华为技术有限公司 视频解码方法及视频解码器
WO2020056017A1 (en) * 2018-09-11 2020-03-19 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus of video decoding using low complexity trellis-coded quantization
WO2020185022A1 (ko) * 2019-03-12 2020-09-17 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
US11843791B2 (en) * 2019-05-03 2023-12-12 Interdigital Madison Patent Holdings, Sas Chroma processing for video encoding and decoding
WO2020231228A1 (ko) * 2019-05-15 2020-11-19 현대자동차주식회사 영상 복호화 장치에서 이용하는 역양자화장치 및 방법
AU2019232801A1 (en) * 2019-09-17 2021-04-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
EP4738833A2 (en) * 2019-05-28 2026-05-06 Dolby Laboratories Licensing Corporation Quantization parameter signaling
CN120201192A (zh) * 2019-07-05 2025-06-24 Lg 电子株式会社 用于色度分量的图像解码方法及其装置
CN119011836A (zh) * 2019-07-05 2024-11-22 Lg 电子株式会社 编译色度量化参数数据的图像解码方法及其设备
US12244805B2 (en) * 2019-08-23 2025-03-04 Qualcomm Incorporated Chroma quantization parameter (QP) derivation for video coding
AU2019232797A1 (en) * 2019-09-17 2021-04-01 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a block of video samples
JP7358136B2 (ja) * 2019-09-17 2023-10-10 キヤノン株式会社 画像符号化装置、画像符号化方法、及びプログラム、画像復号装置、画像復号方法、及びプログラム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100074338A1 (en) 2007-03-20 2010-03-25 Fujitsu Limited Video encoding method and apparatus, and video decoding apparatus
WO2013032576A2 (en) 2011-06-30 2013-03-07 General Instrument Corporation Quantization parameter derivation from qp predictor
US20140079135A1 (en) 2012-09-14 2014-03-20 Qualcomm Incoporated Performing quantization to facilitate deblocking filtering
US20210120245A1 (en) 2018-06-27 2021-04-22 Canon Kabushiki Kaisha Image coding apparatus, image coding method, and program, and image decoding apparatus, image decoding method, and program

Also Published As

Publication number Publication date
TWI829424B (zh) 2024-01-11
CN116527927A (zh) 2023-08-01
TW202327358A (zh) 2023-07-01
CN116527927B (zh) 2025-01-24
KR20260001129A (ko) 2026-01-05
US20260089328A1 (en) 2026-03-26
CN116074531A (zh) 2023-05-05
US12556701B2 (en) 2026-02-17
CN116074531B (zh) 2025-01-24
EP4432654A4 (en) 2025-03-12
WO2023083245A1 (zh) 2023-05-19
KR102899163B1 (ko) 2025-12-10
EP4432654A1 (en) 2024-09-18
US20240430426A1 (en) 2024-12-26
KR20240108461A (ko) 2024-07-09
JP2024543436A (ja) 2024-11-21

Similar Documents

Publication Publication Date Title
KR102799045B1 (ko) 픽처 디코딩 방법, 픽처 인코딩 방법 및 상응한 장치
CN116489373B (zh) 一种图像解码方法、编码方法及装置
US20260089328A1 (en) Decoding method, encoding method and apparatuses
KR20260053084A (ko) 디코딩 방법, 인코딩 방법 및 장치
JP7855137B2 (ja) ビデオ画像復号方法、ビデオ画像符号化方法、装置および記憶媒体
HK40095733A (zh) 解码方法、编码方法及装置
HK40095733B (zh) 解码方法、编码方法及装置
JP2025525001A (ja) ビデオ画像復号方法、ビデオ画像符号化方法、装置および記憶媒体
HK40093824A (zh) 一种图像解码方法、编码方法及装置
HK40093824B (zh) 一种图像解码方法、编码方法及装置
HK40092387A (zh) 一种图像解码方法、编码方法及装置
HK40092387B (zh) 一种图像解码方法、编码方法及装置

Legal Events

Date Code Title Description
A16 Divisional, continuation or continuation in part application filed

Free format text: ST27 STATUS EVENT CODE: A-0-1-A10-A16-DIV-PA0104 (AS PROVIDED BY THE NATIONAL OFFICE)

PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A16-div-PA0104

D16 Fast track examination requested

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D16-EXM-PA0302 (AS PROVIDED BY THE NATIONAL OFFICE)

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13 Application amended

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P13-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0302 Request for accelerated examination

St.27 status event code: A-1-2-D10-D16-exm-PA0302

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

Q12 Application published

Free format text: ST27 STATUS EVENT CODE: A-1-1-Q10-Q12-NAP-PG1501 (AS PROVIDED BY THE NATIONAL OFFICE)

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D22-EXM-PE0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

A16 Divisional, continuation or continuation in part application filed

Free format text: ST27 STATUS EVENT CODE: A-0-1-A10-A16-DIV-PA0104 (AS PROVIDED BY THE NATIONAL OFFICE)

F11 Ip right granted following substantive examination

Free format text: ST27 STATUS EVENT CODE: A-2-4-F10-F11-EXM-PR0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A16-div-PA0104

PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

U12 Designation fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U12-OTH-PR1002 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

Q13 Ip right document published

Free format text: ST27 STATUS EVENT CODE: A-4-4-Q10-Q13-NAP-PG1601 (AS PROVIDED BY THE NATIONAL OFFICE)