JP7521603B2 - 符号化装置、復号装置、符号化方法、復号方法およびプログラム - Google Patents

符号化装置、復号装置、符号化方法、復号方法およびプログラム Download PDF

Info

Publication number
JP7521603B2
JP7521603B2 JP2022569349A JP2022569349A JP7521603B2 JP 7521603 B2 JP7521603 B2 JP 7521603B2 JP 2022569349 A JP2022569349 A JP 2022569349A JP 2022569349 A JP2022569349 A JP 2022569349A JP 7521603 B2 JP7521603 B2 JP 7521603B2
Authority
JP
Japan
Prior art keywords
quantization
value
unit
processed
probability distribution
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
JP2022569349A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022130477A5 (https=
JPWO2022130477A1 (https=
Inventor
フロリアン バイエ
勇人 逸身
浩一 二瓶
チャルヴィ ヴィタル
悠介 篠原
孝法 岩井
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of JPWO2022130477A1 publication Critical patent/JPWO2022130477A1/ja
Publication of JPWO2022130477A5 publication Critical patent/JPWO2022130477A5/ja
Priority to JP2024110556A priority Critical patent/JP7838598B2/ja
Application granted granted Critical
Publication of JP7521603B2 publication Critical patent/JP7521603B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • 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
    • H04N19/169—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
    • H04N19/182—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 pixel
    • 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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022569349A 2020-12-15 2020-12-15 符号化装置、復号装置、符号化方法、復号方法およびプログラム Active JP7521603B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024110556A JP7838598B2 (ja) 2020-12-15 2024-07-09 符号化装置および復号装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/046638 WO2022130477A1 (ja) 2020-12-15 2020-12-15 符号化装置、復号装置、符号化方法、復号方法およびプログラム

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024110556A Division JP7838598B2 (ja) 2020-12-15 2024-07-09 符号化装置および復号装置

Publications (3)

Publication Number Publication Date
JPWO2022130477A1 JPWO2022130477A1 (https=) 2022-06-23
JPWO2022130477A5 JPWO2022130477A5 (https=) 2023-08-18
JP7521603B2 true JP7521603B2 (ja) 2024-07-24

Family

ID=82057438

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2022569349A Active JP7521603B2 (ja) 2020-12-15 2020-12-15 符号化装置、復号装置、符号化方法、復号方法およびプログラム
JP2024110556A Active JP7838598B2 (ja) 2020-12-15 2024-07-09 符号化装置および復号装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024110556A Active JP7838598B2 (ja) 2020-12-15 2024-07-09 符号化装置および復号装置

Country Status (3)

Country Link
US (1) US12425594B2 (https=)
JP (2) JP7521603B2 (https=)
WO (1) WO2022130477A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119917567B (zh) * 2025-04-02 2025-06-13 山东征途信息科技股份有限公司 一种基于大数据的物联设备的数据管理方法及系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001053618A (ja) 1999-08-06 2001-02-23 Mitsubishi Heavy Ind Ltd 画像符号化方法、画像符号化装置および記録媒体
JP2014502827A (ja) 2011-01-14 2014-02-03 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン エントロピー符号化および復号化スキーム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003339047A (ja) 2001-07-26 2003-11-28 Ricoh Co Ltd 画像圧縮装置、画像伸長装置、画像圧縮伸長装置、画像圧縮方法、画像伸長方法、プログラム、及び該プログラムを記録した記録媒体
JP5087627B2 (ja) 2006-09-28 2012-12-05 トムソン ライセンシング 効果的なレート制御および拡張したビデオ符号化品質のためのρ領域フレームレベルビット割り当てのための方法
JP4802200B2 (ja) 2008-02-14 2011-10-26 日本電信電話株式会社 映像品質推定装置、方法、およびプログラム
HUE037656T2 (hu) * 2010-04-13 2018-09-28 Fraunhofer Ges Forschung Valószínûség intervallum partícionáló kódoló és dekódoló
EP2734942A4 (en) 2011-08-23 2014-06-04 Huawei Tech Co Ltd ESTIMATOR FOR ESTIMATING PROBABILITY DISTRIBUTION OF A QUANTIFICATION INDEX
JP6244864B2 (ja) 2013-12-06 2017-12-13 富士通株式会社 動画像符号化装置、動画像符号化方法及び動画像符号化用コンピュータプログラム
JP6311821B2 (ja) 2017-04-18 2018-04-18 富士通株式会社 動画像処理装置及び動画像処理方法
US11997275B2 (en) 2018-08-27 2024-05-28 AT Technologies ULC Benefit-based bitrate distribution for video encoding

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001053618A (ja) 1999-08-06 2001-02-23 Mitsubishi Heavy Ind Ltd 画像符号化方法、画像符号化装置および記録媒体
JP2014502827A (ja) 2011-01-14 2014-02-03 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン エントロピー符号化および復号化スキーム

Also Published As

Publication number Publication date
WO2022130477A1 (ja) 2022-06-23
US20240048703A1 (en) 2024-02-08
US12425594B2 (en) 2025-09-23
JP7838598B2 (ja) 2026-04-01
JPWO2022130477A1 (https=) 2022-06-23
JP2024124559A (ja) 2024-09-12

Similar Documents

Publication Publication Date Title
JP6789894B2 (ja) ネットワーク係数圧縮装置、ネットワーク係数圧縮方法およびプログラム
US12354311B2 (en) Data compression and decompression system and method thereof
WO2019127136A1 (zh) 码率控制的方法与编码装置
KR20230010854A (ko) 뉴럴 네트워크 파라미터들의 표현에 대한 향상된 개념
KR20210032413A (ko) 산술 인코더, 산술 디코더, 비디오 인코더, 비디오 디코더, 인코딩 방법, 디코딩 방법 및 컴퓨터 프로그램
CN114503439B (zh) 压缩表现混合压缩性的数据
JP2020053820A (ja) 量子化及び符号化器作成方法、圧縮器作成方法、圧縮器作成装置及びプログラム
CN119341575B (zh) 一种分形数据压缩存储方法、系统及相关设备
US20240078411A1 (en) Information processing system, encoding device, decoding device, model learning device, information processing method, encoding method, decoding method, model learning method, and program storage medium
KR20240160607A (ko) 비주얼 데이터 처리 방법, 장치 및 매체
JP7838598B2 (ja) 符号化装置および復号装置
CN119052478A (zh) 图像编码方法、图像重构方法及装置
JP7534239B2 (ja) 演算装置、圧縮方法
JP2968666B2 (ja) 画像符号化方法および装置
CN115550650A (zh) 一种有效调节参考帧图像压缩率的方法及装置、电子设备
WO2011107434A1 (en) Distribution-constrained quantization
EP4676047A1 (en) Image decoding and encoding method and apparatus, device, and storage medium
JP2735001B2 (ja) 画像符号化装置
JP2006270737A (ja) 復号化装置、分布推定方法、復号化方法及びこれらのプログラム
TWI900126B (zh) 模型量化方法、裝置、設備及儲存媒體
CN115120251B (zh) 一种脑电信号自适应压缩重建方法及装置
Lakshmi A Novel Image Compression Technique With the Application of Discrete Tchebichef Transform and Singular Value Decomposition (Dtt-svd)
US7747093B2 (en) Method and apparatus for predicting the size of a compressed signal
CN116437087A (zh) 图像处理方法及装置、电子设备和存储介质
JP2004064126A (ja) 画像符号化装置および画像符号化方法、コンピュータプログラム

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230602

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20230602

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: 20240611

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240624

R150 Certificate of patent or registration of utility model

Ref document number: 7521603

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150