JP2022537090A5 - - Google Patents

Info

Publication number
JP2022537090A5
JP2022537090A5 JP2021560100A JP2021560100A JP2022537090A5 JP 2022537090 A5 JP2022537090 A5 JP 2022537090A5 JP 2021560100 A JP2021560100 A JP 2021560100A JP 2021560100 A JP2021560100 A JP 2021560100A JP 2022537090 A5 JP2022537090 A5 JP 2022537090A5
Authority
JP
Japan
Prior art keywords
quantization matrix
block
size
identifier
reference quantization
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.)
Granted
Application number
JP2021560100A
Other languages
English (en)
Japanese (ja)
Other versions
JP7653915B2 (ja
JP2022537090A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/EP2020/066614 external-priority patent/WO2020254317A1/en
Publication of JP2022537090A publication Critical patent/JP2022537090A/ja
Publication of JP2022537090A5 publication Critical patent/JP2022537090A5/ja
Priority to JP2025043021A priority Critical patent/JP7788023B2/ja
Application granted granted Critical
Publication of JP7653915B2 publication Critical patent/JP7653915B2/ja
Priority to JP2025233405A priority patent/JP2026053380A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2021560100A 2019-06-21 2020-06-16 ビデオ符号化及び復号化の単一インデックス量子化行列設計 Active JP7653915B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2025043021A JP7788023B2 (ja) 2019-06-21 2025-03-18 ビデオ符号化及び復号化の単一インデックス量子化行列設計
JP2025233405A JP2026053380A (ja) 2019-06-21 2025-12-05 ビデオ符号化及び復号化の単一インデックス量子化行列設計

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP19305802.1 2019-06-21
EP19305802 2019-06-21
EP19305826 2019-06-24
EP19305826.0 2019-06-24
PCT/EP2020/066614 WO2020254317A1 (en) 2019-06-21 2020-06-16 Single-index quantization matrix design for video encoding and decoding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025043021A Division JP7788023B2 (ja) 2019-06-21 2025-03-18 ビデオ符号化及び復号化の単一インデックス量子化行列設計

Publications (3)

Publication Number Publication Date
JP2022537090A JP2022537090A (ja) 2022-08-24
JP2022537090A5 true JP2022537090A5 (https=) 2023-06-21
JP7653915B2 JP7653915B2 (ja) 2025-03-31

Family

ID=71103394

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2021560100A Active JP7653915B2 (ja) 2019-06-21 2020-06-16 ビデオ符号化及び復号化の単一インデックス量子化行列設計
JP2025043021A Active JP7788023B2 (ja) 2019-06-21 2025-03-18 ビデオ符号化及び復号化の単一インデックス量子化行列設計
JP2025233405A Pending JP2026053380A (ja) 2019-06-21 2025-12-05 ビデオ符号化及び復号化の単一インデックス量子化行列設計

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2025043021A Active JP7788023B2 (ja) 2019-06-21 2025-03-18 ビデオ符号化及び復号化の単一インデックス量子化行列設計
JP2025233405A Pending JP2026053380A (ja) 2019-06-21 2025-12-05 ビデオ符号化及び復号化の単一インデックス量子化行列設計

Country Status (9)

Country Link
US (2) US12170771B2 (https=)
EP (1) EP3987786A1 (https=)
JP (3) JP7653915B2 (https=)
KR (1) KR20220024716A (https=)
CN (2) CN119996695A (https=)
AU (2) AU2020295684B2 (https=)
MX (2) MX2021015582A (https=)
TW (2) TWI862567B (https=)
WO (1) WO2020254317A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102951865B1 (ko) * 2018-12-26 2026-04-14 한국전자통신연구원 양자화 행렬 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR102842111B1 (ko) * 2019-06-24 2025-08-01 엘지전자 주식회사 크로마 성분 부호화 블록의 최대 변환 크기 제한을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
CN119254985A (zh) 2019-08-14 2025-01-03 交互数字Ce专利控股有限公司 用于视频编码和解码的量化矩阵预测的方法及装置
JP2021048532A (ja) * 2019-09-19 2021-03-25 キヤノン株式会社 画像符号化装置、画像復号装置及びそれらの制御方法及びプログラム
US20250350725A1 (en) * 2023-04-23 2025-11-13 Quasistatics Inc. Method and system for energy-efficient approximate digital jpeg and mjpeg-compression
EP4706245A1 (en) * 2023-04-27 2026-03-11 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices on transform coefficient dequantization

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7373009B2 (en) * 2005-02-09 2008-05-13 Lsi Corporation Method and apparatus for efficient transmission and decoding of quantization matrices
EA021750B1 (ru) 2009-10-30 2015-08-31 Панасоник Интеллекчуал Проперти Корпорэйшн оф Америка Способ декодирования, декодирующее устройство, способ кодирования и кодирующее устройство
US9167252B2 (en) * 2010-12-01 2015-10-20 Texas Instruments Incorporated Quantization matrix compression in video coding
MY169660A (en) * 2011-02-10 2019-04-26 Velos Media Int Ltd Image processing device and image processing method
CN103096056B (zh) * 2011-11-08 2015-11-25 华为技术有限公司 矩阵编码方法与装置及解码方法与装置
KR20130058524A (ko) * 2011-11-25 2013-06-04 오수미 색차 인트라 예측 블록 생성 방법
KR101627085B1 (ko) 2012-01-20 2016-06-03 한국전자통신연구원 양자화 행렬의 부호화 방법 및 복호화 방법과 이를 이용하는 장치
PT2840791T (pt) * 2012-04-16 2018-04-16 Electronics & Telecommunications Res Inst Método e dispositivo para codificação/descodificação de imagem
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
JP6041554B2 (ja) * 2012-06-27 2016-12-07 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
FI20165256A7 (fi) * 2016-03-24 2017-09-25 Nokia Technologies Oy Laitteisto, menetelmä ja tietokoneohjelma videokoodaukseen ja -dekoodaukseen
CA3094608A1 (en) * 2018-03-28 2019-10-03 Sony Corporation Image processing device and image processing method
KR102951865B1 (ko) * 2018-12-26 2026-04-14 한국전자통신연구원 양자화 행렬 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
WO2020182069A1 (en) * 2019-03-10 2020-09-17 Mediatek Inc. Mehtod and apparatus of the quantization matrix computation and representation for video coding

Similar Documents

Publication Publication Date Title
JP2022537090A5 (https=)
JP2022528403A5 (https=)
KR101477302B1 (ko) 디지털 미디어 코딩/디코딩 방법, 디지털 미디어 처리 장치및 프로그램 저장 캐리어
JP2017513322A5 (https=)
CN103597838B (zh) 对末位有效系数的位置进行编码和解码的方法和设备
JP2018201222A5 (https=)
CN110383838B (zh) 基于块尺寸的变换限制
JP2017520991A5 (https=)
JP2025111549A5 (https=)
JP2017513323A5 (https=)
KR20150129715A (ko) 향상 레이어 차분들에 대한 세컨더리 변환을 적용하기 위한 방법 및 장치
CN106713919A (zh) 色度量化参数扩展
JP2014500643A5 (https=)
JP2022544164A5 (https=)
RU2011103915A (ru) Способ и устройство кодирования/декодирования движущегося изображения
CN102598667A (zh) 帧内预测模式的高效视频编码和解码的方法和装置
TW201234864A (en) Method for coding videos using dictionaries
JP2022500891A5 (https=)
CN113132731B (zh) 视频解码方法、装置、设备及存储介质
CN110944179B (zh) 一种视频数据解码方法及装置
CN108353175A (zh) 使用系数引起的预测处理视频信号的方法和装置
JP2023129480A5 (https=)
WO2013067949A1 (zh) 矩阵编码方法与装置及解码方法与装置
CN116746148A (zh) 用于视频编解码的残差和系数编解码
CN116803077A (zh) 用于视频编解码的残差和系数编解码