JP7090490B2 - 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法 - Google Patents

画像符号化装置、画像復号装置、画像符号化方法、画像復号方法 Download PDF

Info

Publication number
JP7090490B2
JP7090490B2 JP2018123523A JP2018123523A JP7090490B2 JP 7090490 B2 JP7090490 B2 JP 7090490B2 JP 2018123523 A JP2018123523 A JP 2018123523A JP 2018123523 A JP2018123523 A JP 2018123523A JP 7090490 B2 JP7090490 B2 JP 7090490B2
Authority
JP
Japan
Prior art keywords
quantization
decoding
dimensional vector
coding
vector
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
JP2018123523A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020005143A (ja
JP2020005143A5 (enExample
Inventor
真悟 志摩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2018123523A priority Critical patent/JP7090490B2/ja
Priority to PCT/JP2019/016614 priority patent/WO2020003703A1/ja
Priority to TW108115008A priority patent/TW202002634A/zh
Publication of JP2020005143A publication Critical patent/JP2020005143A/ja
Publication of JP2020005143A5 publication Critical patent/JP2020005143A5/ja
Application granted granted Critical
Publication of JP7090490B2 publication Critical patent/JP7090490B2/ja
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
    • H04N19/10—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
    • H04N19/46—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
    • H04N19/94—Vector quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2018123523A 2018-06-28 2018-06-28 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法 Active JP7090490B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2018123523A JP7090490B2 (ja) 2018-06-28 2018-06-28 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法
PCT/JP2019/016614 WO2020003703A1 (ja) 2018-06-28 2019-04-18 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法、コンピュータプログラム
TW108115008A TW202002634A (zh) 2018-06-28 2019-04-30 圖像編碼裝置、圖像解碼裝置、圖像編碼方法、圖像解碼方法、電腦程式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018123523A JP7090490B2 (ja) 2018-06-28 2018-06-28 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法

Publications (3)

Publication Number Publication Date
JP2020005143A JP2020005143A (ja) 2020-01-09
JP2020005143A5 JP2020005143A5 (enExample) 2021-08-05
JP7090490B2 true JP7090490B2 (ja) 2022-06-24

Family

ID=68987035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018123523A Active JP7090490B2 (ja) 2018-06-28 2018-06-28 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法

Country Status (3)

Country Link
JP (1) JP7090490B2 (enExample)
TW (1) TW202002634A (enExample)
WO (1) WO2020003703A1 (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007094100A1 (ja) 2006-02-13 2007-08-23 Kabushiki Kaisha Toshiba 動画像符号化／復号化方法及び装置並びにプログラム
JP2012186617A (ja) 2011-01-31 2012-09-27 Sony Corp 画像処理装置および方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007094100A1 (ja) 2006-02-13 2007-08-23 Kabushiki Kaisha Toshiba 動画像符号化／復号化方法及び装置並びにプログラム
JP2012186617A (ja) 2011-01-31 2012-09-27 Sony Corp 画像処理装置および方法

Also Published As

Publication number Publication date
WO2020003703A1 (ja) 2020-01-02
JP2020005143A (ja) 2020-01-09
TW202002634A (zh) 2020-01-01

Similar Documents

Publication Publication Date Title
KR102782659B1 (ko) 화상 부호화 장치, 화상 부호화 방법 및 저장 매체
JP7610690B2 (ja) 画像復号装置及び方法及びプログラム
JP2023080359A (ja) 画像復号装置、画像復号方法、及びプログラム
JP7685102B2 (ja) 画像符号化装置及び画像復号装置及びそれらの制御方法及びプログラム
JP2025074309A (ja) 画像復号装置、画像復号方法、及びプログラム
KR20210096279A (ko) 화상 부호화 장치 및 화상 복호 장치 및 그것들의 제어 방법 및 프로그램
TWI833620B (zh) 圖像編碼裝置、圖像編碼方法、圖像解碼裝置及圖像解碼方法
JP2020010320A (ja) 画像符号化装置及び画像復号装置及びそれらの制御方法及びプログラム
JP2020005143A (ja) 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法
HK40105440A (zh) 图像编码设备和方法、图像解码设备和方法以及存储介质
HK40105439A (zh) 图像编码设备和方法、图像解码设备和方法以及存储介质
JP2023140150A (ja) 画像符号化装置、画像復号装置、画像符号化方法、および画像復号方法
HK40105437A (zh) 图像编码设备和方法、图像解码设备和方法以及存储介质
HK40105438A (zh) 图像编码设备和方法、图像解码设备和方法以及存储介质
HK40106665A (zh) 图像编码设备和方法、图像解码设备和方法以及存储介质
JP2021150723A (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
WO2020183859A1 (ja) 画像符号化装置、画像復号装置、画像符号化方法、画像復号方法、及びプログラム

Legal Events

Date Code Title Description
RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20210103

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210113

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210625

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210625

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20220516

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220614

R151 Written notification of patent or utility model registration

Ref document number: 7090490

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151