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 digitaliInfo
- 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
Links
Classifications
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- 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
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- 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
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
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 (6)
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 |
Citations (1)
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)
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 |
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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2017
- 2017-03-03 IT IT102017000024294A patent/IT201700024294A1/it unknown
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2018
- 2018-03-02 WO PCT/IB2018/051333 patent/WO2018158735A1/en active Application Filing
- 2018-03-02 EP EP18709404.0A patent/EP3590193B1/en active Active
- 2018-03-02 CN CN201880013165.9A patent/CN110383695B/zh active Active
- 2018-03-02 US US16/488,851 patent/US11432012B2/en active Active
Patent Citations (1)
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)
Title |
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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 |
---|---|
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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