JP7034101B2 - 簡単なローカル予測子を用いる改善された重要度フラグ符号化の方法及び装置 - Google Patents

簡単なローカル予測子を用いる改善された重要度フラグ符号化の方法及び装置 Download PDF

Info

Publication number
JP7034101B2
JP7034101B2 JP2018568268A JP2018568268A JP7034101B2 JP 7034101 B2 JP7034101 B2 JP 7034101B2 JP 2018568268 A JP2018568268 A JP 2018568268A JP 2018568268 A JP2018568268 A JP 2018568268A JP 7034101 B2 JP7034101 B2 JP 7034101B2
Authority
JP
Japan
Prior art keywords
importance
flag
flags
importance flag
context
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
JP2018568268A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019520001A5 (https=
JP2019520001A (ja
Inventor
ラセール,セバスチャン
アンドリフォン,ピエール
ボルデ,フィリップ
Original Assignee
インターデジタル ヴイシー ホールディングス, インコーポレイテッド
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 インターデジタル ヴイシー ホールディングス, インコーポレイテッド filed Critical インターデジタル ヴイシー ホールディングス, インコーポレイテッド
Publication of JP2019520001A publication Critical patent/JP2019520001A/ja
Publication of JP2019520001A5 publication Critical patent/JP2019520001A5/ja
Application granted granted Critical
Publication of JP7034101B2 publication Critical patent/JP7034101B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10Complex mathematical operations
    • G06F17/18Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3068Precoding preceding compression, e.g. Burrows-Wheeler transformation
    • H03M7/3071Prediction
    • H03M7/3073Time
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3068Precoding preceding compression, e.g. Burrows-Wheeler transformation
    • H03M7/3079Context modeling
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
    • H04N19/647Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission using significance based coding, e.g. Embedded Zerotrees of Wavelets [EZW] or Set Partitioning in Hierarchical Trees [SPIHT]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006Conversion to or from arithmetic code
    • H03M7/4012Binary arithmetic codes
    • H03M7/4018Context adapative binary arithmetic codes [CABAC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Operations Research (AREA)
  • Algebra (AREA)
  • Evolutionary Biology (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2018568268A 2016-06-29 2017-06-27 簡単なローカル予測子を用いる改善された重要度フラグ符号化の方法及び装置 Active JP7034101B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16305799.5 2016-06-29
EP16305799.5A EP3264763A1 (en) 2016-06-29 2016-06-29 Method and apparatus for improved significance flag coding using simple local predictor
PCT/EP2017/065859 WO2018002052A1 (en) 2016-06-29 2017-06-27 Method and apparatus for improved significance flag coding using simple local predictor

Publications (3)

Publication Number Publication Date
JP2019520001A JP2019520001A (ja) 2019-07-11
JP2019520001A5 JP2019520001A5 (https=) 2020-07-09
JP7034101B2 true JP7034101B2 (ja) 2022-03-11

Family

ID=56409043

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018568268A Active JP7034101B2 (ja) 2016-06-29 2017-06-27 簡単なローカル予測子を用いる改善された重要度フラグ符号化の方法及び装置

Country Status (6)

Country Link
US (1) US11490104B2 (https=)
EP (2) EP3264763A1 (https=)
JP (1) JP7034101B2 (https=)
KR (1) KR102402532B1 (https=)
CN (1) CN109417622B (https=)
WO (1) WO2018002052A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11019346B2 (en) 2018-07-02 2021-05-25 Qualcomm Incorporated Coefficient coding with grouped bypass remaining levels for dependent quantization
EP4340356A3 (en) 2018-09-21 2024-05-29 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Image signal encoding/decoding method and apparatus therefor
CN118540483A (zh) * 2019-04-26 2024-08-23 松下电器(美国)知识产权公司 编码装置、解码装置和非暂时性计算机可读介质
GB2585044A (en) 2019-06-25 2020-12-30 Sony Corp Image data encoding and decoding
KR20240111208A (ko) * 2023-01-09 2024-07-16 에스케이하이닉스 주식회사 버스 반전 인코더 모듈 및 버스 반전 시스템
AU2025205042A1 (en) * 2024-07-05 2026-01-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Trustworthiness of a video data stream

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013192118A (ja) 2012-03-14 2013-09-26 Sharp Corp 算術復号装置、画像復号装置、算術符号化装置、および画像符号化装置

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101356733B1 (ko) * 2007-03-07 2014-02-05 삼성전자주식회사 컨텍스트 기반 적응적 이진 산술 부호화, 복호화 방법 및장치
US9648325B2 (en) * 2007-06-30 2017-05-09 Microsoft Technology Licensing, Llc Video decoding implementations for a graphics processing unit
CN102413756B (zh) * 2009-04-29 2015-04-01 皇家飞利浦电子股份有限公司 从单目内窥镜图像估计实时深度
US9135502B2 (en) * 2009-05-11 2015-09-15 Universitat Zu Lubeck Method for the real-time-capable, computer-assisted analysis of an image sequence containing a variable pose
EP2312854A1 (de) * 2009-10-15 2011-04-20 Siemens Aktiengesellschaft Verfahren zur Codierung von Symbolen aus einer Folge digitalisierter Bilder
US8378862B2 (en) * 2010-07-28 2013-02-19 Reserch In Motion Limited Method and device for compression of binary sequences by grouping multiple symbols
US9313514B2 (en) 2010-10-01 2016-04-12 Sharp Kabushiki Kaisha Methods and systems for entropy coder initialization
US8976861B2 (en) * 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
US9106913B2 (en) 2011-03-08 2015-08-11 Qualcomm Incorporated Coding of transform coefficients for video coding
US10397577B2 (en) * 2011-03-08 2019-08-27 Velos Media, Llc Inverse scan order for significance map coding of transform coefficients in video coding
US9379736B2 (en) * 2011-06-03 2016-06-28 Qualcomm Incorporated Context-adaptive coding video data
JP5733590B2 (ja) * 2011-07-15 2015-06-10 モトローラ モビリティ エルエルシーMotorola Mobility Llc 変換係数レベルを符号化するコンテキストモデリング技法
AU2011236109B2 (en) 2011-10-18 2015-02-19 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding the significance map for residual coefficients of a transform unit
KR20130049524A (ko) 2011-11-04 2013-05-14 오수미 인트라 예측 블록 생성 방법
WO2013070974A2 (en) * 2011-11-08 2013-05-16 General Instrument Corporation Method of determining binary codewords for transform coefficients
WO2013070970A2 (en) * 2011-11-08 2013-05-16 General Instrument Corporation Method of determining binary codewords for transform coefficients
US9743098B2 (en) * 2011-11-19 2017-08-22 Blackberry Limited Multi-level significance map scanning
WO2013096671A1 (en) * 2011-12-20 2013-06-27 General Instrument Corporation Method and apparatus for efficient transform unit encoding
US9635358B2 (en) * 2012-01-21 2017-04-25 Google Technology Holdings LLC Method of determining binary codewords for transform coefficients
CN105027560A (zh) * 2012-01-21 2015-11-04 摩托罗拉移动有限责任公司 确定用于变换系数的二进制码字的方法
US20130195200A1 (en) * 2012-01-28 2013-08-01 Research In Motion Limited Methods and devices for context modeling to enable modular processing
US9479780B2 (en) * 2012-02-01 2016-10-25 Google Technology Holdings LLC Simplification of significance map coding
CN110602509A (zh) * 2012-02-04 2019-12-20 谷歌技术控股有限责任公司 用于最末重要系数位置编码中的上下文减少的设备和方法
WO2013116874A1 (en) * 2012-02-05 2013-08-08 General Instrument Corporation Method of determining binary codewords for transform coefficients
US9264706B2 (en) * 2012-04-11 2016-02-16 Qualcomm Incorporated Bypass bins for reference index coding in video coding
US9621921B2 (en) 2012-04-16 2017-04-11 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
US9350998B2 (en) * 2012-06-29 2016-05-24 Qualcomm Incorporated Coding of significance flags
WO2014110651A1 (en) * 2013-01-16 2014-07-24 Blackberry Limited Transform coefficient coding for context-adaptive binary entropy coding of video
US9275078B2 (en) * 2013-09-05 2016-03-01 Ebay Inc. Estimating depth from a single image
KR102059311B1 (ko) * 2013-12-19 2019-12-24 애플 인크. 모바일 디바이스에서의 slam
GB2521828A (en) 2013-12-23 2015-07-08 Sony Corp Data encoding and decoding
US9305219B2 (en) * 2014-01-23 2016-04-05 Mitsubishi Electric Research Laboratories, Inc. Method for estimating free space using a camera system
US10390471B2 (en) * 2014-07-07 2019-08-27 Douglas G. Bruce Agricultural drill/planter/coulter/disc blade with sine wave edge
US9781424B2 (en) * 2015-01-19 2017-10-03 Google Inc. Efficient context handling in arithmetic coding
US10019657B2 (en) * 2015-05-28 2018-07-10 Adobe Systems Incorporated Joint depth estimation and semantic segmentation from a single image
US10148961B2 (en) * 2015-05-29 2018-12-04 Qualcomm Incorporated Arithmetic coder with multiple window sizes
US20170140240A1 (en) * 2015-07-27 2017-05-18 Salesforce.Com, Inc. Neural network combined image and text evaluator and classifier
US10466714B2 (en) * 2016-09-01 2019-11-05 Ford Global Technologies, Llc Depth map estimation with stereo images
US9990728B2 (en) * 2016-09-09 2018-06-05 Adobe Systems Incorporated Planar region guided 3D geometry estimation from a single image
US10244261B2 (en) * 2017-01-26 2019-03-26 Google Llc Transform coefficient coding using level maps
US10992937B2 (en) * 2018-06-18 2021-04-27 Qualcomm Incorporated Coefficient coding with grouped bypass bins

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013192118A (ja) 2012-03-14 2013-09-26 Sharp Corp 算術復号装置、画像復号装置、算術符号化装置、および画像符号化装置

Also Published As

Publication number Publication date
WO2018002052A1 (en) 2018-01-04
EP3264763A1 (en) 2018-01-03
CN109417622B (zh) 2022-04-19
US11490104B2 (en) 2022-11-01
US20200267403A1 (en) 2020-08-20
EP3479573B1 (en) 2023-04-05
KR20190032297A (ko) 2019-03-27
EP3479573A1 (en) 2019-05-08
CN109417622A (zh) 2019-03-01
JP2019520001A (ja) 2019-07-11
KR102402532B1 (ko) 2022-05-27

Similar Documents

Publication Publication Date Title
JP7034101B2 (ja) 簡単なローカル予測子を用いる改善された重要度フラグ符号化の方法及び装置
JP6708700B2 (ja) 統一された有意性マップ符号化方法および装置
JP6162150B2 (ja) ビデオコーディング用の残差4分木(rqt)コーディング
US11102494B2 (en) Method for scanning transform coefficient and device therefor
US20160234494A1 (en) Restriction on palette block size in video coding
US11122284B2 (en) Picture coding device, picture coding method, and picture coding program, and picture decoding device, picture decoding method, and picture decoding program
JP2014197884A (ja) 映像復号化方法
CN107409227A (zh) 视频编码中使用帧间预测的调色板编码方法
CN106576163A (zh) 用于调色板模式译码的从先前行复制
JP2017528976A (ja) パレットモードコーディングに関するcopy−aboveモードに拡張機能を組み込む方法
KR20160043496A (ko) 예측 모드에 기초한 변환 생략 정보의 엔트로피 복호화 방법 및 장치
JP2019520773A (ja) 適応変換ベースのビデオ圧縮のための最後の係数符号化
WO2012118358A2 (ko) 변환 계수 스캔 방법 및 그 장치
CN117256101A (zh) Cabac继承的上下文初始化
JP2024003218A (ja) 復号装置及びプログラム
JP2016059072A (ja) 画像復号装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200601

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200601

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20210729

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210806

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20211101

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: 20220204

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220301

R150 Certificate of patent or registration of utility model

Ref document number: 7034101

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250