KR102906246B1 - 화상 부호화 장치, 화상 부호화 방법, 화상 복호 장치, 화상 복호 방법, 및 컴퓨터 프로그램 - Google Patents

화상 부호화 장치, 화상 부호화 방법, 화상 복호 장치, 화상 복호 방법, 및 컴퓨터 프로그램

Info

Publication number
KR102906246B1
KR102906246B1 KR1020227011749A KR20227011749A KR102906246B1 KR 102906246 B1 KR102906246 B1 KR 102906246B1 KR 1020227011749 A KR1020227011749 A KR 1020227011749A KR 20227011749 A KR20227011749 A KR 20227011749A KR 102906246 B1 KR102906246 B1 KR 102906246B1
Authority
KR
South Korea
Prior art keywords
quantization parameter
encoding
block
image
value
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
KR1020227011749A
Other languages
English (en)
Korean (ko)
Other versions
KR20220055495A (ko
Inventor
마사토 시마
Original Assignee
캐논 가부시끼가이샤
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 캐논 가부시끼가이샤 filed Critical 캐논 가부시끼가이샤
Priority to KR1020257043264A priority Critical patent/KR20260006088A/ko
Publication of KR20220055495A publication Critical patent/KR20220055495A/ko
Application granted granted Critical
Publication of KR102906246B1 publication Critical patent/KR102906246B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/102—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
    • 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
    • H04N19/102—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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • 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
    • H04N19/186—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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

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)
KR1020227011749A 2019-09-17 2020-08-14 화상 부호화 장치, 화상 부호화 방법, 화상 복호 장치, 화상 복호 방법, 및 컴퓨터 프로그램 Active KR102906246B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020257043264A KR20260006088A (ko) 2019-09-17 2020-08-14 화상 부호화 장치, 화상 부호화 방법, 화상 복호 장치, 화상 복호 방법, 및 컴퓨터 프로그램

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019168859A JP7358136B2 (ja) 2019-09-17 2019-09-17 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
JPJP-P-2019-168859 2019-09-17
PCT/JP2020/030903 WO2021054011A1 (ja) 2019-09-17 2020-08-14 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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020257043264A Division KR20260006088A (ko) 2019-09-17 2020-08-14 화상 부호화 장치, 화상 부호화 방법, 화상 복호 장치, 화상 복호 방법, 및 컴퓨터 프로그램

Publications (2)

Publication Number Publication Date
KR20220055495A KR20220055495A (ko) 2022-05-03
KR102906246B1 true KR102906246B1 (ko) 2025-12-31

Family

ID=74878778

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020227011749A Active KR102906246B1 (ko) 2019-09-17 2020-08-14 화상 부호화 장치, 화상 부호화 방법, 화상 복호 장치, 화상 복호 방법, 및 컴퓨터 프로그램
KR1020257043264A Pending KR20260006088A (ko) 2019-09-17 2020-08-14 화상 부호화 장치, 화상 부호화 방법, 화상 복호 장치, 화상 복호 방법, 및 컴퓨터 프로그램

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020257043264A Pending KR20260006088A (ko) 2019-09-17 2020-08-14 화상 부호화 장치, 화상 부호화 방법, 화상 복호 장치, 화상 복호 방법, 및 컴퓨터 프로그램

Country Status (7)

Country Link
US (2) US12101466B2 (https=)
EP (1) EP4033761A4 (https=)
JP (3) JP7358136B2 (https=)
KR (2) KR102906246B1 (https=)
CN (7) CN119277075A (https=)
TW (2) TWI832003B (https=)
WO (1) WO2021054011A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116074531B (zh) * 2021-11-11 2025-01-24 杭州海康威视数字技术股份有限公司 解码方法、编码方法及装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040076034A (ko) * 2003-02-24 2004-08-31 삼성전자주식회사 동 영상의 가변 비트율 부호화 방법 및 장치
MX363952B (es) 2012-04-13 2019-04-08 Mitsubishi Electric Corp Dispositivo de codificacion de imagen, dispositivo de decodificacion de imagen, metodo de codificacion de imagen, y metodo de decodificacion de imagen.
US20130294524A1 (en) * 2012-05-04 2013-11-07 Qualcomm Incorporated Transform skipping and lossless coding unification
GB2503875B (en) 2012-06-29 2015-06-10 Canon Kk Method and device for encoding or decoding an image
WO2015012600A1 (ko) 2013-07-23 2015-01-29 성균관대학교 산학협력단 영상 부호화/복호화 방법 및 장치
CN105580368B (zh) 2013-09-30 2018-10-19 日本放送协会 图像编码装置和方法以及图像解码装置和方法
US10362333B2 (en) * 2014-01-02 2019-07-23 Qualcomm Incorporated Color index coding for palette-based video coding
US9596479B2 (en) * 2014-10-07 2017-03-14 Hfi Innovation Inc. Method of pulse-code modulation and palette coding for video coding
JP6532222B2 (ja) * 2014-11-28 2019-06-19 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
US10425659B2 (en) * 2015-01-30 2019-09-24 Qualcomm Incorporated Coding escape pixels for palette coding
US10097842B2 (en) 2015-09-18 2018-10-09 Qualcomm Incorporated Restriction of escape pixel signaled values in palette mode video coding
JP6272441B2 (ja) 2016-11-08 2018-01-31 キヤノン株式会社 画像復号装置、画像復号方法及びプログラム
JPWO2019003676A1 (ja) 2017-06-29 2020-04-30 ソニー株式会社 画像処理装置と画像処理方法およびプログラム
JP6962842B2 (ja) 2018-03-22 2021-11-05 Kddi株式会社 管理装置、管理方法及び管理プログラム
US11218700B2 (en) * 2019-07-01 2022-01-04 Qualcomm Incorporated Minimum allowed quantization parameter for transform skip mode and palette mode in video coding
KR20220029088A (ko) * 2020-09-01 2022-03-08 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. 그룹 기반 어플리케이션 설정

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Marta Karczewicz et al, Non-CE8: Minimum QP for Transform Skip Mode, JVET-O0919-v3(2019.07.11.) 1부.*

Also Published As

Publication number Publication date
TW202418806A (zh) 2024-05-01
JP7665838B2 (ja) 2025-04-21
CN119277075A (zh) 2025-01-07
CN114424550B (zh) 2024-11-12
TW202114427A (zh) 2021-04-01
JP2023164602A (ja) 2023-11-10
WO2021054011A1 (ja) 2021-03-25
JP2024103821A (ja) 2024-08-01
US12464119B2 (en) 2025-11-04
CN119277072A (zh) 2025-01-07
US12101466B2 (en) 2024-09-24
CN119277073A (zh) 2025-01-07
TWI832003B (zh) 2024-02-11
CN119299694A (zh) 2025-01-10
EP4033761A4 (en) 2023-08-23
KR20220055495A (ko) 2022-05-03
KR20260006088A (ko) 2026-01-12
JP7508676B2 (ja) 2024-07-01
JP2021048458A (ja) 2021-03-25
CN114424550A (zh) 2022-04-29
TWI860228B (zh) 2024-10-21
EP4033761A1 (en) 2022-07-27
JP7358136B2 (ja) 2023-10-10
US20240372991A1 (en) 2024-11-07
CN119277074A (zh) 2025-01-07
CN119316598A (zh) 2025-01-14
US20220201287A1 (en) 2022-06-23

Similar Documents

Publication Publication Date Title
JP7508675B2 (ja) 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
KR102926068B1 (ko) 화상 부호화 장치, 화상 부호화 방법 및 기억 매체, 화상 복호 장치, 화상 복호 방법 및 기억 매체
WO2020246125A1 (ja) 画像符号化装置及び画像復号装置及び方法及びプログラム
JP7665838B2 (ja) 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
HK40114660A (zh) 图像编码装置、图像编码方法、图像解码装置和图像解码方法
HK40114866A (zh) 图像编码装置、图像编码方法、图像解码装置和图像解码方法
HK40114659A (zh) 图像编码装置、图像编码方法、图像解码装置和图像解码方法
HK40114658A (zh) 图像编码装置、图像编码方法、图像解码装置和图像解码方法
HK40114868A (zh) 图像编码装置、图像编码方法、图像解码装置和图像解码方法

Legal Events

Date Code Title Description
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

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

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

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D22-EXM-PE0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0701 Decision of registration

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

A16 Divisional, continuation or continuation in part application filed

Free format text: ST27 STATUS EVENT CODE: A-0-1-A10-A16-DIV-PA0104 (AS PROVIDED BY THE NATIONAL OFFICE)

PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A16-div-PA0104

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

U12 Designation fee paid

Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U12-OTH-PR1002 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 1

PG1601 Publication of registration

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

Q13 Ip right document published

Free format text: ST27 STATUS EVENT CODE: A-4-4-Q10-Q13-NAP-PG1601 (AS PROVIDED BY THE NATIONAL OFFICE)