BR112022013662A2 - Método de decodificação de vídeo, aparelho de decodificação de vídeo, e método de codificação de vídeo - Google Patents

Método de decodificação de vídeo, aparelho de decodificação de vídeo, e método de codificação de vídeo

Info

Publication number
BR112022013662A2
BR112022013662A2 BR112022013662A BR112022013662A BR112022013662A2 BR 112022013662 A2 BR112022013662 A2 BR 112022013662A2 BR 112022013662 A BR112022013662 A BR 112022013662A BR 112022013662 A BR112022013662 A BR 112022013662A BR 112022013662 A2 BR112022013662 A2 BR 112022013662A2
Authority
BR
Brazil
Prior art keywords
video decoding
image
video
difference value
header
Prior art date
Application number
BR112022013662A
Other languages
English (en)
Portuguese (pt)
Inventor
Park Minwoo
Park Minsoo
Choi Kiho
Piao Yinji
Kim Chanyul
Sohn Yumi
Original Assignee
Samsung Electronics Co 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=76788193&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR112022013662(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of BR112022013662A2 publication Critical patent/BR112022013662A2/pt

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
    • H04N19/124—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
    • H04N19/169—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
    • H04N19/18—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
    • H04N19/70—Methods 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

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)
BR112022013662A 2020-01-10 2021-01-08 Método de decodificação de vídeo, aparelho de decodificação de vídeo, e método de codificação de vídeo BR112022013662A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202062959452P 2020-01-10 2020-01-10
PCT/KR2021/000275 WO2021141451A1 (ko) 2020-01-10 2021-01-08 양자화 파라미터를 획득하기 위한 비디오 복호화 방법 및 장치, 양자화 파라미터를 전송하기 위한 비디오 부호화 방법 및 장치

Publications (1)

Publication Number Publication Date
BR112022013662A2 true BR112022013662A2 (pt) 2022-09-13

Family

ID=76788193

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022013662A BR112022013662A2 (pt) 2020-01-10 2021-01-08 Método de decodificação de vídeo, aparelho de decodificação de vídeo, e método de codificação de vídeo

Country Status (11)

Country Link
US (2) US12382044B2 (enExample)
EP (1) EP4090020A4 (enExample)
JP (2) JP7684311B2 (enExample)
KR (4) KR102304703B1 (enExample)
CN (5) CN115280773B (enExample)
AU (2) AU2021206074B2 (enExample)
BR (1) BR112022013662A2 (enExample)
CA (1) CA3164388A1 (enExample)
IL (3) IL330431A (enExample)
MX (5) MX429024B (enExample)
WO (1) WO2021141451A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020143114A1 (zh) * 2019-01-10 2020-07-16 Oppo广东移动通信有限公司 图像解码方法、解码器及计算机存储介质
EP3954125A4 (en) 2019-05-31 2022-06-22 ByteDance Inc. PALETTE MODE WITH INTRA BLOCK COPY PREDICTION
EP3970369A4 (en) 2019-06-28 2022-07-20 ByteDance Inc. TECHNIQUES FOR MODIFYING A QUANTIZE PARAMETER IN A TRANSFORM JUMP MODE
EP4088456A4 (en) 2020-02-05 2023-06-21 Beijing Bytedance Network Technology Co., Ltd. PALETTE MODE FOR A LOCAL DUAL TREE
EP4088464A4 (en) * 2020-02-05 2023-06-07 Beijing Bytedance Network Technology Co., Ltd. DEBLOCKING PARAMETERS FOR A CHROMA COMPONENT
AR121124A1 (es) 2020-02-29 2022-04-20 Beijing Bytedance Network Tech Co Ltd Señalización condicional de elementos de sintaxis en una cabecera de imagen
KR20260027271A (ko) * 2020-03-23 2026-02-27 엘지전자 주식회사 비디오 또는 이미지 코딩 시스템에서 디블록킹 필터 파라미터 정보를 시그널링하는 방법
EP4131971A4 (en) * 2020-04-02 2024-04-17 LG Electronics, Inc. Image coding method based on chroma deblocking parameter information for monochrome color format in video or image coding system
EP4131970A4 (en) * 2020-04-03 2023-03-29 Peking University VIDEO ENCODING AND DECODING METHOD AND DEVICE AND STORAGE MEDIA

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009540666A (ja) 2006-11-09 2009-11-19 エルジー エレクトロニクス インコーポレイティド ビデオ信号のデコーディング／エンコーディング方法及び装置
CN101888555B (zh) * 2006-11-17 2013-04-03 Lg电子株式会社 用于解码/编码视频信号的方法及装置
US20110274162A1 (en) 2010-05-04 2011-11-10 Minhua Zhou Coding Unit Quantization Parameters in Video Coding
EP3675493A1 (en) 2010-06-04 2020-07-01 Sony Corporation Image processing apparatus and method
US20120114034A1 (en) * 2010-11-08 2012-05-10 Mediatek Inc. Method and Apparatus of Delta Quantization Parameter Processing for High Efficiency Video Coding
EP2678944B1 (en) 2011-02-25 2019-11-06 BlackBerry Limited Methods and devices for data compression using offset-based adaptive reconstruction levels
US9854275B2 (en) 2011-06-25 2017-12-26 Qualcomm Incorporated Quantization in video coding
EP2713612A4 (en) * 2011-06-28 2014-11-26 Samsung Electronics Co Ltd PROCESS AND DEVICE FOR IMAGE CODING AND DECODING USING ADAPTIVE QUANTIZATION PARAMETER DIFFERENTIALS
JP2013034161A (ja) * 2011-06-28 2013-02-14 Sharp Corp 画像復号装置、画像符号化装置、および符号化データのデータ構造
JP5907367B2 (ja) 2011-06-28 2016-04-26 ソニー株式会社 画像処理装置および方法、プログラム、並びに記録媒体
US11496760B2 (en) * 2011-07-22 2022-11-08 Qualcomm Incorporated Slice header prediction for depth maps in three-dimensional video codecs
KR20130034566A (ko) 2011-09-28 2013-04-05 한국전자통신연구원 제한된 오프셋 보상 및 루프 필터를 기반으로 하는 영상 부호화 및 복호화 방법 및 그 장치
TWI613909B (zh) * 2012-01-30 2018-02-01 三星電子股份有限公司 視訊解碼方法
US9521410B2 (en) 2012-04-26 2016-12-13 Qualcomm Incorporated Quantization parameter (QP) coding in video coding
US9414054B2 (en) 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
US9510002B2 (en) 2013-09-09 2016-11-29 Apple Inc. Chroma quantization in video coding
CN108271024B (zh) 2013-12-28 2021-10-26 同济大学 图像编码、解码方法及装置
CN109196862B (zh) 2016-05-28 2021-01-22 联发科技股份有限公司 视频数据处理方法、装置及相应可读存储介质
CN115052143B (zh) * 2016-08-01 2025-05-23 韩国电子通信研究院 图像编码/解码方法
WO2018066989A1 (ko) * 2016-10-04 2018-04-12 김기백 영상 데이터 부호화/복호화 방법 및 장치
WO2018143289A1 (ja) * 2017-02-02 2018-08-09 シャープ株式会社 画像符号化装置及び画像復号装置
US10827173B2 (en) 2017-11-13 2020-11-03 Electronics And Telecommunications Research Institute Method and apparatus for quantization
KR102242675B1 (ko) * 2017-11-13 2021-04-22 한국전자통신연구원 양자화 방법 및 장치
KR102390733B1 (ko) * 2018-06-11 2022-04-25 한화테크윈 주식회사 양자화 파라미터 기반의 잔차 블록 부호화/복호화 방법 및 장치
WO2021086020A1 (ko) * 2019-10-28 2021-05-06 엘지전자 주식회사 색공간 변환을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Also Published As

Publication number Publication date
NZ791006A (en) 2025-11-28
JP2025107485A (ja) 2025-07-17
KR20240052922A (ko) 2024-04-23
CN121367777A (zh) 2026-01-20
CN121509653A (zh) 2026-02-10
CN121486569A (zh) 2026-02-06
KR102304703B1 (ko) 2021-09-28
US20260012600A1 (en) 2026-01-08
MX2025012582A (es) 2025-11-03
MX2022008502A (es) 2022-08-08
KR20210090559A (ko) 2021-07-20
AU2026201437A1 (en) 2026-03-19
KR20250021501A (ko) 2025-02-13
CA3164388A1 (en) 2021-07-15
CN115280773B (zh) 2025-10-03
JP2023510535A (ja) 2023-03-14
CN121397216A (zh) 2026-01-23
IL294576A (en) 2022-09-01
MX2025012583A (es) 2025-11-03
MX429024B (es) 2025-11-13
US20220368909A1 (en) 2022-11-17
EP4090020A4 (en) 2024-01-17
KR102304703B9 (ko) 2022-05-02
AU2021206074B2 (en) 2025-12-11
MX2025009630A (es) 2025-09-02
IL294576B1 (en) 2025-05-01
KR20210118377A (ko) 2021-09-30
IL294576B2 (en) 2025-09-01
WO2021141451A1 (ko) 2021-07-15
IL319319A (en) 2025-05-01
MX2025012585A (es) 2025-11-03
IL330431A (en) 2026-08-01
US12382044B2 (en) 2025-08-05
KR102817086B1 (ko) 2025-06-05
EP4090020A1 (en) 2022-11-16
CN115280773A (zh) 2022-11-01
JP7684311B2 (ja) 2025-05-27
KR102657549B1 (ko) 2024-04-15
AU2021206074A1 (en) 2022-08-18

Similar Documents

Publication Publication Date Title
BR112022000730A2 (pt) Método de codificação/decodificação de imagem baseado em transformada de onduleta, aparelho e meio legível por computador não transitório
BR112022005448A2 (pt) Métodos implementados por codificador, e decodificador, dispositivos de codificação de vídeo, e de produto de computador
IN2014CN02125A (enExample)
BR112014009449A2 (pt) método para codificação de imagem, método para a decodificação de imagem, codificador de imagem e decodificador de imagem
EP3962085A3 (en) Image encoding and decoding method, encoding and decoding device, encoder and decoder
MX2025012585A (es) Metodo de decodificacion de video y aparato para obtener el parametro de cuantizacion, y metodo de codificacion de video y aparato para transmitir el parametro de cuantizacion
MX2025012906A (es) Un codificador, un decodificador y metodos y aparatos correspondientes
JP2013507086A5 (enExample)
BR112016000245A8 (pt) Método e aparelho para gerar, a partir de uma representação de domínio de coeficiente de sinais hoa, uma representação mista de domínio de coeficiente/espacial dos sinais hoa, método e aparelho para decodificar uma representação mista de domínio de coeficiente/espacial de sinais hoa codificados, sinal de aúdio digital e meio de armazenamento não transitório
MY172520A (en) Image processing apparatus and method
BR112014005496A8 (pt) Métodos e aparelhos para quantificação e dequantificação de um bloco retangular de coeficientes
BR112014004645A2 (pt) método de codificação de imagem, método de decodificação de imagem, aparelho de codificação de imagem e aparelho de decodificação de imagem
BR112022012850A2 (pt) Codificador, decodificador e métodos correspondentes
BR112022002287A2 (pt) Método e aparelho para codificação de imagem com base em transformada
MX2025005814A (es) Metodos y aparatos de codificacion de video en formato de color 4:4:4
BR112022012747A2 (pt) Aparelho e método de codificação/decodificação de vídeo para executar pdpc e método para transmissão de fluxo de bits
MX2022005747A (es) Metodo de codificacion de imagenes a base de transformacion y aparato para el mismo.
MX2021015639A (es) Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo.
BR112022019219A2 (pt) Codificador, decodificador e métodos correspondentes
MX2025004852A (es) Metodo de decodificacion de imagenes para componente de croma y dispositivo para el mismo
MX2025012895A (es) Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo
MX2025008190A (es) Metodo de codificacion de imagenes a base de transformacion, y dispositivo para el mismo
BR112014009023A2 (pt) método de codificação preditiva de vídeo de movimento, dispositivo de codificação preditiva de vídeo de movimento, programa de codificação preditiva de vídeo de movimento, método de decodificação preditiva de vídeo de movimento, dispositivo de decodificação preditiva de vídeo de movimento e programa de decodificação preditiva de vídeo de movimento
EP4604531A3 (en) Image decoding method for chroma quantization parameter data and apparatus therefor
MX2025008435A (es) Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo

Legal Events

Date Code Title Description
B154 Notification of filing of divisional application [chapter 15.50 patent gazette]

Free format text: O PEDIDO FOI DIVIDIDO NO BR122025015189-0 PROTOCOLO 870250063129 EM 22/07/2025 17:11.O PEDIDO FOI DIVIDIDO NO BR122025015191-2 PROTOCOLO 870250063133 EM 22/07/2025 17:16.O PEDIDO FOI DIVIDIDO NO BR122025015194-7 PROTOCOLO 870250063139 EM 22/07/2025 17:21.O PEDIDO FOI DIVIDIDO NO BR122025015195-5 PROTOCOLO 870250063144 EM 22/07/2025 17:24.