[go: up one dir, main page]

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 EP18709404.0A priority patent/EP3590193B1/en
Priority to PCT/IB2018/051333 priority patent/WO2018158735A1/en
Priority to CN201880013165.9A priority patent/CN110383695B/zh
Priority to US16/488,851 priority patent/US11432012B2/en
Publication of IT201700024294A1 publication Critical patent/IT201700024294A1/it

Links

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
    • H03M7/3068—Precoding preceding compression, e.g. Burrows-Wheeler transformation
    • H03M7/3071—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
    • H04N19/60—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
    • H04N19/10—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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45—Decoders 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
    • 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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
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
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
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

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

ID=59337787

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 (9)

* Cited by examiner, † Cited by third party
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
EP3637302B1 (en) * 2018-10-10 2025-08-06 Onfido Ltd Image set alignment
US20220261616A1 (en) * 2019-07-02 2022-08-18 Vid Scale, Inc. Clustering-based quantization for neural network compression
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
US20240161489A1 (en) * 2022-11-10 2024-05-16 Micron Technology, Inc. Quantization at Different Levels for Data Used in Artificial Neural Network Computations
CN115736980B (zh) * 2022-11-28 2024-08-13 华东师范大学 一种应急用的超声成像系统及其构建方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2360927A2 (en) * 2010-02-12 2011-08-24 Samsung Electronics Co., Ltd. Image encoding/decoding system using graph based pixel prediction and encoding system and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1578131A1 (en) * 2004-03-18 2005-09-21 STMicroelectronics S.r.l. Encoding/decoding methods and systems, computer program products therefor
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
JP5700970B2 (ja) * 2009-07-30 2015-04-15 トムソン ライセンシングＴｈｏｍｓｏｎ Ｌｉｃｅｎｓｉｎｇ 画像シーケンスを表す符号化データストリームの復号方法と画像シーケンスの符号化方法
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2360927A2 (en) * 2010-02-12 2011-08-24 Samsung Electronics Co., Ltd. Image encoding/decoding system using graph based pixel prediction and encoding system and method

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
ALIAKSEI SANDRYHAILA ET AL: "Nearest-neighbor image model", IMAGE PROCESSING (ICIP), 2012 19TH IEEE INTERNATIONAL CONFERENCE ON, IEEE, 30 September 2012 (2012-09-30), pages 2521 - 2524, XP032409248, ISBN: 978-1-4673-2534-9, DOI: 10.1109/ICIP.2012.6467411 *
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 *
FRACASTORO GIULIA ET AL: "Predictive graph construction for image compression", 2015 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP), IEEE, 27 September 2015 (2015-09-27), pages 2204 - 2208, XP032826814, DOI: 10.1109/ICIP.2015.7351192 *
GODWIN SHEN ET AL: "Edge-Adaptive Transforms for Efficient Depth Map Coding", PICTURE CODING SYMPOSIUM 2010; 8-12-2010 - 10-12-2010; NAGOYA,, 8 December 2010 (2010-12-08), XP030082055 *
HU WEI ET AL: "Intra-Prediction and Generalized Graph Fourier Transform for Image Coding", IEEE SIGNAL PROCESSING LETTERS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 22, no. 11, 1 November 2015 (2015-11-01), pages 1913 - 1917, XP011585813, ISSN: 1070-9908, [retrieved on 20150624], DOI: 10.1109/LSP.2015.2446683 *
HU WEI ET AL: "Multiresolution Graph Fourier Transform for Compression of Piecewise Smooth Images", IEEE TRANSACTIONS ON IMAGE PROCESSING, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 24, no. 1, 1 January 2015 (2015-01-01), pages 419 - 433, XP011569005, ISSN: 1057-7149, [retrieved on 20141223], DOI: 10.1109/TIP.2014.2378055 *
NARANG SUNIL K ET AL: "Critically sampled graph-based wavelet transforms for image coding", 2013 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE, APSIPA, 29 October 2013 (2013-10-29), pages 1 - 4, XP032549595, DOI: 10.1109/APSIPA.2013.6694319 *
TAUBIN G: "A SIGNAL PROCESSING APPROACH TO FAIR SURFACE DESIGN", SIGGRAPH 95 CONFERENCE PROCEEDINGS : AUGUST 6 - 11, 1995, [LOS ANGELES, CALIFORNIA]; [COMPUTER GRAPHICS PROCEEDINGS (SIGGRAPH)], ACM, NEW YORK, NY, USA, 6 August 1995 (1995-08-06), pages 351 - 358, XP000546247, ISBN: 978-0-89791-701-8, DOI: 10.1145/218380.218473 *

Also Published As

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

Similar Documents

Publication Publication Date Title
EP3785434C0 (en) VIDEO DECODING METHOD AND APPARATUS
LT3975559T (lt) Vaizdo duomenų kodavimo / dekodavimo būdas ir aparatas
IT201700024294A1 (it) Metodo e apparato per codificare e decodificare immagini o flussi video digitali
SG11201913535UA (en) Picture data encoding method and apparatus and picture data decoding method and apparatus
EP3905677A4 (en) METHOD AND DEVICE FOR 3D VIDEO CODING/DECODING BASED ON INTRA PREDICTION
SG11202013232QA (en) Method and apparatus for encoding/decoding image
ZA201800017B (en) Picture prediction method and picture prediction apparatus
EP3565245A4 (en) VIDEO CODING METHOD AND DEVICE AND VIDEO CODING METHOD AND DEVICE
DK4145830T3 (da) Kodningsfremgangsmåde og -apparat
EP4033765C0 (en) VIDEO IMAGE ENCODING METHOD, VIDEO IMAGE DECODING METHOD, ENCODING DEVICE AND DECODING DEVICE
IL257496B (en) Method and device for motion compensation for video coding based on AI predicted optical current techniques
EP3496399C0 (en) METHOD AND DEVICE FOR PROCESSING VIDEO SIGNAL
EP3355581A4 (en) BILDCODING / DECODING METHOD AND DEVICE THEREFOR
EP3422719C0 (en) METHOD AND DEVICE FOR PROCESSING VIDEO SIGNAL
SG10202111537RA (en) Picture prediction method and related apparatus
EP3389270A4 (en) BILDCODING DEVICE AND METHOD AND IMAGE DECODING METHOD AND DEVICE
ITUB20153724A1 (it) Metodi e apparati per codificare e decodificare immagini o flussi video digitali
EP3562157A4 (en) BILDCODE / DECODE PROCESS AND DEVICE
SG11201801863QA (en) Image prediction method and apparatus
EP3780599A4 (en) IMAGE CODING / DECODING PROCESS AND DEVICE
HUE065630T2 (hu) Videodekódoló berendezés és eljárások
DK3358338T3 (da) Billeddannelsesfremgangsmåde og billeddannelsesapparat
EP3661212A4 (en) IMAGE CODING PROCESS AND APPARATUS, AND IMAGE DECODING PROCESS AND APPARATUS
EP3731518A4 (en) VIDEO AND CAMERA DECODING PROCESS
EP3448021A4 (en) Video encoding and decoding method and device