JP2022537090A5 - - Google Patents

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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
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JP
Japan
Prior art keywords
quantization matrix
block
size
identifier
reference quantization
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JP2021560100A
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English (en)
Japanese (ja)
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JP2022537090A (ja
JP7653915B2 (ja
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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
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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)

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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 (enExample) 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)

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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 (enExample)
EP (1) EP3987786A1 (enExample)
JP (3) JP7653915B2 (enExample)
KR (1) KR20220024716A (enExample)
CN (2) CN114026857B (enExample)
AU (2) AU2020295684B2 (enExample)
MX (2) MX2021015582A (enExample)
TW (2) TWI862567B (enExample)
WO (1) WO2020254317A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12034929B2 (en) * 2018-12-26 2024-07-09 Electronics And Telecommunications Research Institute Quantization matrix encoding/decoding method and device, and recording medium in which bitstream is stored
KR20250118245A (ko) * 2019-06-24 2025-08-05 엘지전자 주식회사 크로마 성분 부호화 블록의 최대 변환 크기 제한을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
CN119254986A (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)

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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
EP2495973B1 (en) * 2009-10-30 2019-02-27 Sun Patent Trust Decoding method, decoder apparatus, encoding method, and encoder apparatus
US9167252B2 (en) * 2010-12-01 2015-10-20 Texas Instruments Incorporated Quantization matrix compression in video coding
KR102205752B1 (ko) * 2011-02-10 2021-01-22 벨로스 미디어 인터내셔널 리미티드 화상 처리 장치 및 화상 처리 방법
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
CN104170382B (zh) 2012-01-20 2018-08-03 韩国电子通信研究院 用于编码和解码量化矩阵的方法和使用其的设备
EP3343920B1 (en) * 2012-04-16 2019-06-26 Electronics and Telecommunications Research Institute Method for encoding/decoding image
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
FI20165256L (fi) * 2016-03-24 2017-09-25 Nokia Technologies Oy Laitteisto, menetelmä ja tietokoneohjelma videokoodaukseen ja -dekoodaukseen
MY206697A (en) * 2018-03-28 2024-12-31 Sony Corp Image processing device and image processing method
US12034929B2 (en) * 2018-12-26 2024-07-09 Electronics And Telecommunications Research Institute Quantization matrix encoding/decoding method and device, and recording medium in which bitstream is stored
EP4231641A1 (en) * 2019-03-10 2023-08-23 HFI Innovation Inc. Mehtod and apparatus of the quantization matrix computation and representation for video coding

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