JP2025090835A5 - - Google Patents

Info

Publication number
JP2025090835A5
JP2025090835A5 JP2025044400A JP2025044400A JP2025090835A5 JP 2025090835 A5 JP2025090835 A5 JP 2025090835A5 JP 2025044400 A JP2025044400 A JP 2025044400A JP 2025044400 A JP2025044400 A JP 2025044400A JP 2025090835 A5 JP2025090835 A5 JP 2025090835A5
Authority
JP
Japan
Prior art keywords
transform
equal
prediction mode
intra prediction
transformation
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
JP2025044400A
Other languages
English (en)
Japanese (ja)
Other versions
JP7787346B2 (ja
JP2025090835A (ja
Filing date
Publication date
Priority claimed from PCT/KR2019/017104 external-priority patent/WO2020116961A1/ko
Application filed filed Critical
Publication of JP2025090835A publication Critical patent/JP2025090835A/ja
Publication of JP2025090835A5 publication Critical patent/JP2025090835A5/ja
Priority to JP2025230596A priority Critical patent/JP2026026330A/ja
Application granted granted Critical
Publication of JP7787346B2 publication Critical patent/JP7787346B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2025044400A 2018-12-06 2025-03-19 二次変換に基づく映像コーディング方法、及びその装置 Active JP7787346B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2025230596A JP2026026330A (ja) 2018-12-06 2025-12-04 二次変換に基づく映像コーディング方法、及びその装置

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201862775914P 2018-12-06 2018-12-06
US62/775,914 2018-12-06
PCT/KR2019/017104 WO2020116961A1 (ko) 2018-12-06 2019-12-05 이차 변환에 기반한 영상 코딩 방법 및 그 장치
JP2021532116A JP7200379B2 (ja) 2018-12-06 2019-12-05 二次変換に基づく映像コーディング方法、及びその装置
JP2022204366A JP7490037B2 (ja) 2018-12-06 2022-12-21 二次変換に基づく映像コーディング方法、及びその装置
JP2024078414A JP7654870B2 (ja) 2018-12-06 2024-05-14 二次変換に基づく映像コーディング方法、及びその装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2024078414A Division JP7654870B2 (ja) 2018-12-06 2024-05-14 二次変換に基づく映像コーディング方法、及びその装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025230596A Division JP2026026330A (ja) 2018-12-06 2025-12-04 二次変換に基づく映像コーディング方法、及びその装置

Publications (3)

Publication Number Publication Date
JP2025090835A JP2025090835A (ja) 2025-06-17
JP2025090835A5 true JP2025090835A5 (https=) 2025-09-05
JP7787346B2 JP7787346B2 (ja) 2025-12-16

Family

ID=70974775

Family Applications (5)

Application Number Title Priority Date Filing Date
JP2021532116A Active JP7200379B2 (ja) 2018-12-06 2019-12-05 二次変換に基づく映像コーディング方法、及びその装置
JP2022204366A Active JP7490037B2 (ja) 2018-12-06 2022-12-21 二次変換に基づく映像コーディング方法、及びその装置
JP2024078414A Active JP7654870B2 (ja) 2018-12-06 2024-05-14 二次変換に基づく映像コーディング方法、及びその装置
JP2025044400A Active JP7787346B2 (ja) 2018-12-06 2025-03-19 二次変換に基づく映像コーディング方法、及びその装置
JP2025230596A Pending JP2026026330A (ja) 2018-12-06 2025-12-04 二次変換に基づく映像コーディング方法、及びその装置

Family Applications Before (3)

Application Number Title Priority Date Filing Date
JP2021532116A Active JP7200379B2 (ja) 2018-12-06 2019-12-05 二次変換に基づく映像コーディング方法、及びその装置
JP2022204366A Active JP7490037B2 (ja) 2018-12-06 2022-12-21 二次変換に基づく映像コーディング方法、及びその装置
JP2024078414A Active JP7654870B2 (ja) 2018-12-06 2024-05-14 二次変換に基づく映像コーディング方法、及びその装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025230596A Pending JP2026026330A (ja) 2018-12-06 2025-12-04 二次変換に基づく映像コーディング方法、及びその装置

Country Status (6)

Country Link
US (4) US11290747B2 (https=)
JP (5) JP7200379B2 (https=)
KR (2) KR102807906B1 (https=)
CN (5) CN113170197B (https=)
AU (4) AU2019394546B2 (https=)
WO (1) WO2020116961A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113170197B (zh) * 2018-12-06 2023-07-18 Lg电子株式会社 基于二次变换的图像编码方法及其装置
WO2020162737A1 (ko) * 2019-02-08 2020-08-13 주식회사 윌러스표준기술연구소 이차 변환을 이용하는 비디오 신호 처리 방법 및 장치
WO2020175965A1 (ko) 2019-02-28 2020-09-03 주식회사 윌러스표준기술연구소 인트라 예측 기반 비디오 신호 처리 방법 및 장치
US11218728B2 (en) * 2019-06-04 2022-01-04 Tencent America LLC Method and apparatus for video coding
US11871010B2 (en) 2020-10-02 2024-01-09 Qualcomm Incorporated Extended low-frequency non-separable transform (LFNST) designs with worst-case complexity handling
US11617946B1 (en) 2021-06-29 2023-04-04 Amazon Technologies, Inc. Video game streaming with dynamic range conversion
US11666823B1 (en) * 2021-06-29 2023-06-06 Amazon Technologies, Inc. Video game streaming with dynamic range conversion
US11612812B1 (en) 2021-06-29 2023-03-28 Amazon Technologies, Inc. Video game streaming with dynamic range conversion
JP7578330B2 (ja) * 2021-08-30 2024-11-06 テンセント・アメリカ・エルエルシー 適応カーネルオプションを用いた二次変換の方法および装置
WO2023038447A1 (ko) * 2021-09-08 2023-03-16 현대자동차주식회사 비디오 부호화/복호화 방법 및 장치
US12114014B2 (en) 2021-10-01 2024-10-08 Tencent America LLC Secondary transforms for compound inter-intra prediction modes

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120070479A (ko) * 2010-12-21 2012-06-29 한국전자통신연구원 화면 내 예측 방향 정보 부호화/복호화 방법 및 그 장치
KR102232417B1 (ko) * 2013-11-20 2021-03-26 엘지전자 주식회사 비디오 신호 처리 방법 및 장치
CA2950818C (en) * 2014-06-20 2020-12-22 Hfi Innovation Inc. Method and apparatus of binarization and context-adaptive coding for syntax in video coding
CN105516730B (zh) * 2014-09-24 2018-04-24 晨星半导体股份有限公司 视讯编码装置及视讯解码装置以及其编码与解码方法
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
CN104702962B (zh) * 2015-03-03 2019-04-16 华为技术有限公司 帧内编解码方法、编码器和解码器
CN105376583B (zh) * 2015-04-07 2017-02-22 佛山世寰智能科技有限公司 一种按行交错划分任务和数据的多核并行视频解码方法
US10491922B2 (en) * 2015-09-29 2019-11-26 Qualcomm Incorporated Non-separable secondary transform for video coding
US10674146B2 (en) * 2015-09-30 2020-06-02 Lg Electronics Inc. Method and device for coding residual signal in video coding system
WO2017061671A1 (ko) * 2015-10-08 2017-04-13 엘지전자 주식회사 영상 코딩 시스템에서 적응적 변환에 기반한 영상 코딩 방법 및 장치
CN105376585B (zh) * 2015-11-04 2018-11-06 四川大学华西医院 一种帧图像组合提高视频传输速度的方法
KR102434480B1 (ko) * 2016-02-12 2022-08-19 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
CN105791867B (zh) * 2016-03-23 2019-02-22 北京大学 基于边界自适应变换的优化视频数据编码方法
CN108886613B (zh) * 2016-03-28 2022-04-19 株式会社Kt 用于处理视频信号的方法和装置
US10708164B2 (en) * 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
US11095893B2 (en) * 2016-10-12 2021-08-17 Qualcomm Incorporated Primary transform and secondary transform in video coding
WO2018119609A1 (zh) * 2016-12-26 2018-07-05 华为技术有限公司 一种基于模板匹配的编解码方法及装置
WO2018135885A1 (ko) * 2017-01-19 2018-07-26 가온미디어 주식회사 변환 처리를 제공하는 영상 복호화 및 부호화 방법
CN110419218B (zh) * 2017-03-16 2021-02-26 联发科技股份有限公司 编码或解码视频数据的方法和装置
RU2722394C1 (ru) * 2017-03-21 2020-05-29 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ преобразования в системе кодирования изображений и устройство для его осуществления
US10855997B2 (en) * 2017-04-14 2020-12-01 Mediatek Inc. Secondary transform kernel size selection
GB2564151A (en) * 2017-07-05 2019-01-09 Sony Corp Image data encoding and decoding
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
CN118301338A (zh) * 2017-11-16 2024-07-05 英迪股份有限公司 图像编码/解码方法以及存储比特流的记录介质
US11310517B2 (en) * 2017-12-07 2022-04-19 Electronics And Telecommunications Research Institute Method and apparatus for encoding and decoding using selective information sharing between channels
US10567801B2 (en) * 2018-03-07 2020-02-18 Tencent America LLC Method and apparatus for video coding with primary and secondary transforms
CN115514974B (zh) * 2018-09-05 2025-04-01 Lg电子株式会社 对视频信号进行解码/编码及发送数据的方法及介质
CN113170197B (zh) * 2018-12-06 2023-07-18 Lg电子株式会社 基于二次变换的图像编码方法及其装置
US11546632B2 (en) * 2018-12-19 2023-01-03 Lg Electronics Inc. Method and device for processing video signal by using intra-prediction

Similar Documents

Publication Publication Date Title
JP2025090835A5 (https=)
TWI469644B (zh) 使用辭典編碼視訊之方法
JP5379020B2 (ja) イントラ予測符号化、復号化方法及び装置
US9148660B2 (en) Method and apparatus for image encoding/decoding
JP2013504972A5 (https=)
RU2007137490A (ru) Масштабируемое видеокодирование с двухуровневым кодированием и одноуровневым декодированием
KR20090083716A (ko) 영상 부호화장치 및 영상 복호화장치
RU2012117215A (ru) Способ и устройство для кодирования и декодирования изображения посредством использования вращательного преобразования
JP2004264811A5 (https=)
JP2024019423A5 (https=)
JP2024533258A5 (https=)
JP3805734B2 (ja) 離散コサイン変換係数の予測方法
JPWO2020213677A5 (ja) 符号化装置、復号装置、符号化方法、復号方法及び記録媒体
KR101375667B1 (ko) 영상의 부호화, 복호화 방법 및 장치
KR20050026318A (ko) 인트라 스킵 모드를 포함하는 비디오 인코딩_디코딩 장치및 방법
RU2008104816A (ru) Способ моделирования информации кодирования видеосигнала для компрессии/декомпрессии информации
JP2021150788A5 (https=)
JP2014011482A5 (https=)
KR20090095011A (ko) 영상의 부호화, 복호화 방법 및 장치
KR20080033813A (ko) 데이터 인코딩/디코딩 방법 및 장치
KR101366086B1 (ko) 잔차 블록의 계수들에 대한 부호화 결정 방법, 장치,인코더 및 디코더
US9319710B2 (en) Video encoding and decoding apparatus and method
KR20070028404A (ko) 픽처를 저장하는 방법, 비디오 복호기, 비디오 부호기,휴대 장치 및 컴퓨터 프로그램 제품
KR101648443B1 (ko) 동화상 예측 부호화 방법, 동화상 예측 부호화 장치, 동화상 예측 부호화 프로그램, 동화상 예측 복호 방법, 동화상 예측 복호 장치 및 동화상 예측 복호 프로그램
CN102986223A (zh) 图像处理设备、图像处理方法和程序