IT201700024294A1 - Metodo e apparato per codificare e decodificare immagini o flussi video digitali - Google Patents

Metodo e apparato per codificare e decodificare immagini o flussi video digitali

Info

Publication number
IT201700024294A1
IT201700024294A1 IT102017000024294A IT201700024294A IT201700024294A1 IT 201700024294 A1 IT201700024294 A1 IT 201700024294A1 IT 102017000024294 A IT102017000024294 A IT 102017000024294A IT 201700024294 A IT201700024294 A IT 201700024294A IT 201700024294 A1 IT201700024294 A1 IT 201700024294A1
Authority
IT
Italy
Prior art keywords
codify
flows
digital video
video images
decode digital
Prior art date
Application number
IT102017000024294A
Other languages
English (en)
Inventor
Marco Grangetto
Francesco Verdoja
Original Assignee
Sisvel Tech S R L
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 Sisvel Tech S R L filed Critical Sisvel Tech S R L
Priority to IT102017000024294A priority Critical patent/IT201700024294A1/it
Priority to CN201880013165.9A priority patent/CN110383695B/zh
Priority to US16/488,851 priority patent/US11432012B2/en
Priority to EP18709404.0A priority patent/EP3590193B1/en
Priority to PCT/IB2018/051333 priority patent/WO2018158735A1/en
Publication of IT201700024294A1 publication Critical patent/IT201700024294A1/it

Links

Classifications

    • 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
    • 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
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/12Selection 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
    • 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
    • H04N19/124Quantisation
    • 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
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
IT102017000024294A 2017-03-03 2017-03-03 Metodo e apparato per codificare e decodificare immagini o flussi video digitali IT201700024294A1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT102017000024294A IT201700024294A1 (it) 2017-03-03 2017-03-03 Metodo e apparato per codificare e decodificare immagini o flussi video digitali
CN201880013165.9A CN110383695B (zh) 2017-03-03 2018-03-02 用于对数字图像或视频流进行编码和解码的方法和装置
US16/488,851 US11432012B2 (en) 2017-03-03 2018-03-02 Method and apparatus for encoding and decoding digital images or video streams
EP18709404.0A EP3590193B1 (en) 2017-03-03 2018-03-02 Method and apparatus for encoding and decoding digital images or video streams
PCT/IB2018/051333 WO2018158735A1 (en) 2017-03-03 2018-03-02 Method and apparatus for encoding and decoding digital images or video streams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000024294A IT201700024294A1 (it) 2017-03-03 2017-03-03 Metodo e apparato per codificare e decodificare immagini o flussi video digitali

Publications (1)

Publication Number Publication Date
IT201700024294A1 true IT201700024294A1 (it) 2018-09-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
IT102017000024294A IT201700024294A1 (it) 2017-03-03 2017-03-03 Metodo e apparato per codificare e decodificare immagini o flussi video digitali

Country Status (5)

Country Link
US (1) US11432012B2 (it)
EP (1) EP3590193B1 (it)
CN (1) CN110383695B (it)
IT (1) IT201700024294A1 (it)
WO (1) WO2018158735A1 (it)

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
JP6998874B2 (ja) 2016-08-10 2022-02-10 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
EP3637302A1 (en) * 2018-10-10 2020-04-15 Onfido Ltd Image set alignment
US11601135B2 (en) * 2020-02-27 2023-03-07 BTS Software Solutions, LLC Internet of things data compression system and method
CN112055203B (zh) * 2020-08-22 2024-04-12 浙江大华技术股份有限公司 帧间预测方法、视频编码方法及其相关装置
CN115550660B (zh) * 2021-12-30 2023-08-22 北京国瑞数智技术有限公司 网络视频局部可变压缩方法和系统
CN114627012B (zh) * 2022-03-09 2024-04-19 上海应用技术大学 基于自动编码器的老照片复原方法

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EP2280548B1 (en) * 2009-07-30 2018-03-28 Thomson Licensing DTV Method for decoding a stream of coded data representative of a sequence of images and method for coding a sequence of images
FR2948845A1 (fr) * 2009-07-30 2011-02-04 Thomson Licensing Procede de decodage d'un flux representatif d'une sequence d'images et procede de codage d'une sequence d'images
KR101598857B1 (ko) * 2010-02-12 2016-03-02 삼성전자주식회사 그래프 기반 화소 예측을 이용한 영상 부호화/복호화 시스템 및 방법 그리고 깊이 맵 부호화 시스템 및 방법
CN101895756B (zh) * 2010-07-15 2012-10-31 北京大学 视频图像块的编码、解码、重构方法及系统
GB2496197A (en) * 2011-11-07 2013-05-08 Sony Corp Frequency Domain Video Data Reordering for Encoding
JP6268989B2 (ja) * 2013-11-29 2018-01-31 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

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DAVID I SHUMAN ET AL: "The Emerging Field of Signal Processing on Graphs: Extending High-Dimensional Data Analysis to Networks and Other Irregular Domains", IEEE SIGNAL PROCESSING MAGAZINE, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 30, no. 3, 1 May 2013 (2013-05-01), pages 83 - 98, XP011499541, ISSN: 1053-5888, DOI: 10.1109/MSP.2012.2235192 *
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Also Published As

Publication number Publication date
CN110383695B (zh) 2023-06-27
US11432012B2 (en) 2022-08-30
CN110383695A (zh) 2019-10-25
EP3590193A1 (en) 2020-01-08
WO2018158735A1 (en) 2018-09-07
US20200014955A1 (en) 2020-01-09
EP3590193B1 (en) 2021-12-29

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