KR102385399B1 - 비디오 압축을 위한 변환을 구성하는 방법 및 장치 - Google Patents

비디오 압축을 위한 변환을 구성하는 방법 및 장치 Download PDF

Info

Publication number
KR102385399B1
KR102385399B1 KR1020207004145A KR20207004145A KR102385399B1 KR 102385399 B1 KR102385399 B1 KR 102385399B1 KR 1020207004145 A KR1020207004145 A KR 1020207004145A KR 20207004145 A KR20207004145 A KR 20207004145A KR 102385399 B1 KR102385399 B1 KR 102385399B1
Authority
KR
South Korea
Prior art keywords
transform
amt
transformation
index
combination
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
KR1020207004145A
Other languages
English (en)
Korean (ko)
Other versions
KR20200023480A (ko
Inventor
구문모
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020227011496A priority Critical patent/KR102447500B1/ko
Publication of KR20200023480A publication Critical patent/KR20200023480A/ko
Application granted granted Critical
Publication of KR102385399B1 publication Critical patent/KR102385399B1/ko
Assigned to 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 reassignment 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 권리의 전부이전등록 Assignors: 엘지전자 주식회사
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with 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
    • H04N19/70—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
    • 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020207004145A 2017-08-04 2018-08-06 비디오 압축을 위한 변환을 구성하는 방법 및 장치 Active KR102385399B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020227011496A KR102447500B1 (ko) 2017-08-04 2018-08-06 비디오 압축을 위한 변환을 구성하는 방법 및 장치

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762541103P 2017-08-04 2017-08-04
US62/541,103 2017-08-04
PCT/KR2018/008907 WO2019027302A1 (ko) 2017-08-04 2018-08-06 비디오 압축을 위한 변환을 구성하는 방법 및 장치

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020227011496A Division KR102447500B1 (ko) 2017-08-04 2018-08-06 비디오 압축을 위한 변환을 구성하는 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20200023480A KR20200023480A (ko) 2020-03-04
KR102385399B1 true KR102385399B1 (ko) 2022-04-11

Family

ID=65233487

Family Applications (4)

Application Number Title Priority Date Filing Date
KR1020207004145A Active KR102385399B1 (ko) 2017-08-04 2018-08-06 비디오 압축을 위한 변환을 구성하는 방법 및 장치
KR1020227011496A Active KR102447500B1 (ko) 2017-08-04 2018-08-06 비디오 압축을 위한 변환을 구성하는 방법 및 장치
KR1020247002343A Pending KR20240015154A (ko) 2017-08-04 2018-08-06 비디오 압축을 위한 변환을 구성하는 방법 및 장치
KR1020227032869A Active KR102629234B1 (ko) 2017-08-04 2018-08-06 비디오 압축을 위한 변환을 구성하는 방법 및 장치

Family Applications After (3)

Application Number Title Priority Date Filing Date
KR1020227011496A Active KR102447500B1 (ko) 2017-08-04 2018-08-06 비디오 압축을 위한 변환을 구성하는 방법 및 장치
KR1020247002343A Pending KR20240015154A (ko) 2017-08-04 2018-08-06 비디오 압축을 위한 변환을 구성하는 방법 및 장치
KR1020227032869A Active KR102629234B1 (ko) 2017-08-04 2018-08-06 비디오 압축을 위한 변환을 구성하는 방법 및 장치

Country Status (11)

Country Link
US (5) US11277640B2 (https=)
EP (1) EP3661214B1 (https=)
JP (1) JP7446988B2 (https=)
KR (4) KR102385399B1 (https=)
CN (1) CN111226442B (https=)
AU (2) AU2018311237B2 (https=)
BR (1) BR112020002317A8 (https=)
CA (4) CA3238672C (https=)
MX (2) MX2020001377A (https=)
RU (2) RU2769944C1 (https=)
WO (1) WO2019027302A1 (https=)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11323699B2 (en) * 2012-04-16 2022-05-03 Electronics And Telecommunications Research Institute Encoding method and decoding method, and device using same
KR102776450B1 (ko) 2016-02-12 2025-03-06 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
CN114449272B (zh) * 2017-07-04 2023-09-26 三星电子株式会社 使用多核变换的视频解码/编码方法和设备
FR3071690B1 (fr) * 2017-09-22 2022-09-30 Bcom Procede de decodage d'une image, procede de codage, dispositifs, equipement terminal et programmes d'ordinateurs associes
JP7036123B2 (ja) * 2017-12-05 2022-03-15 株式会社ソシオネクスト 符号化方法、復号方法、符号化装置、復号装置、符号化プログラム及び復号プログラム
CN116546198A (zh) 2018-08-12 2023-08-04 Lg电子株式会社 解码装置、编码装置、存储介质和发送图像的数据的装置
US11589075B2 (en) * 2018-10-01 2023-02-21 Lg Electronics Inc. Encoding/decoding method for video signal and device therefor
MY207166A (en) * 2019-01-11 2025-02-04 Huawei Tech Co Ltd Encoder, decoder and corresponding methods using dct2 enabled high level flag
CN113365048B (zh) * 2019-03-09 2022-08-05 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、解码端、编码端和系统
US11240534B2 (en) * 2019-04-05 2022-02-01 Qualcomm Incorporated Extended multiple transform selection for video coding
US12267529B2 (en) * 2019-05-31 2025-04-01 Interdigital Vc Holdings, Inc. Transform selection for implicit multiple transform selection
CN114097223B (zh) * 2019-06-25 2025-06-10 弗劳恩霍夫应用研究促进协会 解码器、编码器和包括对帧内子分区进行编码的方法
CN120281921A (zh) * 2019-09-16 2025-07-08 交互数字Ce专利控股有限公司 用于快速视频编码器的二次变换
MX2022006209A (es) * 2019-11-21 2022-06-22 Beijing Dajia Internet Information Tech Co Ltd Metodos y aparatos sobre se?alizacion de transformadas y coeficientes.
GB2593778A (en) * 2020-04-03 2021-10-06 Sony Group Corp Video data encoding and decoding
GB2603559B (en) * 2021-07-22 2023-08-09 Imagination Tech Ltd Coding blocks of pixels
GB2609218B (en) 2021-07-22 2023-08-30 Imagination Tech Ltd Coding blocks of pixels
JP7661619B2 (ja) * 2021-09-30 2025-04-14 ドルビー ラボラトリーズ ライセンシング コーポレイション 画像及びビデオ処理のための動的な空間メタデータ
WO2023146358A1 (ko) * 2022-01-27 2023-08-03 세종대학교 산학협력단 영상 부호화/복호화 방법 및 장치
WO2023213991A1 (en) * 2022-05-06 2023-11-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Usage of coded subblock flags along with transform switching including a transform skip mode
WO2023244022A1 (ko) * 2022-06-16 2023-12-21 엘지전자 주식회사 스캔 오더(scan order) 정보에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체
US20250350725A1 (en) * 2023-04-23 2025-11-13 Quasistatics Inc. Method and system for energy-efficient approximate digital jpeg and mjpeg-compression

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003230140A (ja) * 2002-02-04 2003-08-15 Sony Corp 画像圧縮装置と画像圧縮方法、並びにその画像伸張装置と画像伸張方法
BR122020008881B1 (pt) * 2010-07-15 2021-08-10 Kabushiki Kaisha Toshiba Métodos de codificação e de decodificação de imagem
US8885701B2 (en) * 2010-09-08 2014-11-11 Samsung Electronics Co., Ltd. Low complexity transform coding using adaptive DCT/DST for intra-prediction
GB2492333B (en) * 2011-06-27 2018-12-12 British Broadcasting Corp Video encoding and decoding using transforms
CN104378640B (zh) * 2011-10-17 2017-11-24 株式会社Kt 解码视频信号的方法
GB2555287B (en) * 2011-10-17 2018-11-07 Kt Corp Video decoding method using transform method selected from a transform method set
US9319684B2 (en) * 2012-08-21 2016-04-19 Qualcomm Incorporated Alternative transform in scalable video coding
WO2015172337A1 (en) * 2014-05-14 2015-11-19 Mediatek Singapore Pte. Ltd. Alternative transforms for data compression
CN107005695B (zh) * 2014-11-28 2020-01-07 联发科技股份有限公司 用于视频编码的替代变换的方法及装置
US10306229B2 (en) 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US10681379B2 (en) * 2015-09-29 2020-06-09 Qualcomm Incorporated Non-separable secondary transform for video coding with reorganizing
ES2817100B1 (es) * 2016-03-28 2022-04-13 Kt Corp Metodo y aparato para procesar senales de video
CN113411578B (zh) * 2016-05-13 2024-04-12 夏普株式会社 图像解码装置及其方法、图像编码装置及其方法
KR102357329B1 (ko) * 2016-07-14 2022-02-03 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 변환 기반 잔차 코딩을 이용한 예측 화상 코딩
US10554974B2 (en) * 2017-01-13 2020-02-04 Mediatek Inc. Method and apparatus enabling adaptive multiple transform for chroma transport blocks using control flags
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
US10750181B2 (en) * 2017-05-11 2020-08-18 Mediatek Inc. Method and apparatus of adaptive multiple transforms for video coding
US11070806B2 (en) * 2017-06-28 2021-07-20 Lg Electronics Inc. Method and apparatus for performing low complexity computation in transform kernel for video compression
CN114449272B (zh) * 2017-07-04 2023-09-26 三星电子株式会社 使用多核变换的视频解码/编码方法和设备
CN111133758B (zh) * 2017-09-28 2022-05-10 夏普株式会社 图像解码装置以及图像编码装置
US11665367B2 (en) * 2018-03-30 2023-05-30 Sony Corporation Image processing apparatus and method
KR20250067947A (ko) * 2018-09-02 2025-05-15 엘지전자 주식회사 영상 신호를 처리하기 위한 방법 및 장치
US11616966B2 (en) * 2019-04-03 2023-03-28 Mediatek Inc. Interaction between core transform and secondary transform
EP3949414A4 (en) * 2019-04-16 2023-04-12 HFI Innovation Inc. Methods and apparatuses for coding video data with adaptive secondary transform signaling
CN113841409B (zh) * 2019-05-10 2023-12-19 北京字节跳动网络技术有限公司 用于视频处理的简化二次变换的有条件使用
CN120075431A (zh) * 2019-06-18 2025-05-30 韩国电子通信研究院 视频编码/解码方法以及发送压缩视频数据的设备
MX2021016152A (es) * 2019-06-19 2022-02-22 Lg Electronics Inc Se?alizacion de informacion que indica el conjunto de nucleo de transformacion en codificacion de imagen.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JIANLE CHEN 등, ‘Algorithm Description of Joint Exploration Test Model 7", JVET-G1001, 2017.7.21.*

Also Published As

Publication number Publication date
KR20220132065A (ko) 2022-09-29
MX2020001377A (es) 2020-03-09
CA3175176A1 (en) 2019-02-07
US20250097469A1 (en) 2025-03-20
US12192526B2 (en) 2025-01-07
JP7446988B2 (ja) 2024-03-11
CA3073674C (en) 2022-11-29
AU2018311237A1 (en) 2020-03-05
US20250097470A1 (en) 2025-03-20
CA3175176C (en) 2024-07-02
EP3661214B1 (en) 2022-07-20
US20200177921A1 (en) 2020-06-04
MX2023012003A (es) 2023-10-20
CA3238672A1 (en) 2019-02-07
KR20220048044A (ko) 2022-04-19
KR20200023480A (ko) 2020-03-04
US11277640B2 (en) 2022-03-15
BR112020002317A8 (pt) 2023-01-24
US11825119B2 (en) 2023-11-21
BR112020002317A2 (pt) 2020-09-08
KR102629234B1 (ko) 2024-01-24
AU2018311237B2 (en) 2021-07-29
WO2019027302A1 (ko) 2019-02-07
EP3661214A1 (en) 2020-06-03
US20220167018A1 (en) 2022-05-26
EP3661214A4 (en) 2020-06-03
RU2745021C1 (ru) 2021-03-18
RU2769944C1 (ru) 2022-04-11
AU2021258067B2 (en) 2023-02-16
CN111226442A (zh) 2020-06-02
KR102447500B1 (ko) 2022-09-23
KR20240015154A (ko) 2024-02-02
CA3288542A1 (en) 2025-11-29
JP2020529782A (ja) 2020-10-08
AU2021258067A1 (en) 2021-11-25
CA3073674A1 (en) 2019-02-07
CA3238672C (en) 2026-03-10
US20240056607A1 (en) 2024-02-15
CN111226442B (zh) 2022-06-21

Similar Documents

Publication Publication Date Title
KR102385399B1 (ko) 비디오 압축을 위한 변환을 구성하는 방법 및 장치
JP7630558B2 (ja) 縮小された２次変換を用いて、ビデオ信号を処理する方法及び装置
KR102659354B1 (ko) 축소된 변환을 이용하여 비디오 신호를 처리하는 방법 및 장치
CN112400322B (zh) 基于二次变换处理视频信号的方法和设备
KR102599446B1 (ko) 인트라 예측 모드에 기초하여 변환 인덱스 코딩을 수행하는 방법 및 이를 위한 장치
KR20240040133A (ko) 분할된 블록에 2차 변환을 적용하여 비디오 신호를 처리하는 방법 및 장치

Legal Events

Date Code Title Description
A201 Request for examination
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

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

PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

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

P13-X000 Application amended

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

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

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

A107 Divisional application of patent
GRNT Written decision to grant
PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A18-div-PA0104

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

PG1601 Publication of registration

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

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R11-asn-PN2301

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R14-asn-PN2301

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-OTH-PR1001 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 5