BR112015004434A2 - método e aparelho para estimação de complexidade de conteúdos para avaliação de qualidade de vídeo - Google Patents
método e aparelho para estimação de complexidade de conteúdos para avaliação de qualidade de vídeoInfo
- Publication number
- BR112015004434A2 BR112015004434A2 BR112015004434A BR112015004434A BR112015004434A2 BR 112015004434 A2 BR112015004434 A2 BR 112015004434A2 BR 112015004434 A BR112015004434 A BR 112015004434A BR 112015004434 A BR112015004434 A BR 112015004434A BR 112015004434 A2 BR112015004434 A2 BR 112015004434A2
- Authority
- BR
- Brazil
- Prior art keywords
- video
- content complexity
- prediction
- video quality
- quality assessment
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
-
- 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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/114—Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames
-
- 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
- H04N19/177—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 group of pictures [GOP]
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
-
- 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
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
- H04N19/36—Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] scalability
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
resumo método e aparelho para estimação de complexidade de conteúdos para avaliação de qualidade de vídeo para estimar a complexidade de conteúdos de um vídeo, calcula-se a energia de resíduos de predição. geralmente, os resíduos de predição são menores quando o vídeo for menos complexo e mais previsível. as escalas de resíduos de predição também dependem das configurações de codificação, por exemplo, imagens i geralmente têm resíduos de predição maiores que as imagens p e b mesmo quando os conteúdos forem bastante similares e, logo, têm uma complexidade de conteúdos percebida similar. para refletir mais estritamente a complexidade de conteúdos, os fatores de escalonamento de alinhamento são estimados para diferentes configurações de codificação. com base na energia de resíduos de predição e fatores de escalonamento de alinhamento, um parâmetro de imprevisibilidade de conteúdos geral pode ser estimado para computar um fator de distorção de compressão para o vídeo. o fator de distorção de compressão, combinado aos fatores de distorção de divisão e congelamento, pode ser usado para estimar uma métrica de qualidade de vídeo para o vídeo.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012080632 | 2012-08-27 | ||
PCT/CN2013/077846 WO2014032463A1 (en) | 2012-08-27 | 2013-06-25 | Method and apparatus for estimating content complexity for video quality assessment |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112015004434A2 true BR112015004434A2 (pt) | 2017-07-04 |
Family
ID=50182453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112015004434A BR112015004434A2 (pt) | 2012-08-27 | 2013-06-25 | método e aparelho para estimação de complexidade de conteúdos para avaliação de qualidade de vídeo |
Country Status (7)
Country | Link |
---|---|
US (1) | US10536703B2 (pt) |
EP (1) | EP2888877B1 (pt) |
JP (1) | JP2015530807A (pt) |
AU (1) | AU2013307970A1 (pt) |
BR (1) | BR112015004434A2 (pt) |
HK (1) | HK1211770A1 (pt) |
WO (1) | WO2014032463A1 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6373681B2 (ja) * | 2014-07-30 | 2018-08-15 | Kddi株式会社 | 客観画質評価装置、客観画質評価方法、およびプログラム |
EP3188017A1 (en) | 2015-12-29 | 2017-07-05 | Harmonic Inc. | Scheduler of processes having timed predictions of computing loads |
US10834406B2 (en) | 2016-12-12 | 2020-11-10 | Netflix, Inc. | Device-consistent techniques for predicting absolute perceptual video quality |
CN116719418B (zh) * | 2023-08-09 | 2023-10-27 | 湖南马栏山视频先进技术研究院有限公司 | 一种注视点预测模型的检验方法及装置 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3166291B2 (ja) * | 1992-04-03 | 2001-05-14 | ソニー株式会社 | 量子化コントロール回路 |
US6192081B1 (en) * | 1995-10-26 | 2001-02-20 | Sarnoff Corporation | Apparatus and method for selecting a coding mode in a block-based coding system |
US6078701A (en) * | 1997-08-01 | 2000-06-20 | Sarnoff Corporation | Method and apparatus for performing local to global multiframe alignment to construct mosaic images |
US5990955A (en) * | 1997-10-03 | 1999-11-23 | Innovacom Inc. | Dual encoding/compression method and system for picture quality/data density enhancement |
JP3019086B1 (ja) * | 1998-11-09 | 2000-03-13 | 富士ゼロックス株式会社 | 画像処理装置および画像処理方法、画像形成装置 |
FR2790852B1 (fr) | 1999-03-08 | 2001-04-20 | Thomson Multimedia Sa | Procede d'evaluation d'images codees, dispositif mettant en oeuvre le procede et utilisation du dispositif et procede |
US7477688B1 (en) * | 2000-01-26 | 2009-01-13 | Cisco Technology, Inc. | Methods for efficient bandwidth scaling of compressed video data |
WO2002089344A2 (en) * | 2001-05-01 | 2002-11-07 | Philips Electronics North America Corporation | Composite objective video quality measurement |
US7801215B2 (en) * | 2001-07-24 | 2010-09-21 | Sasken Communication Technologies Limited | Motion estimation technique for digital video encoding applications |
FR2860678A1 (fr) | 2003-10-01 | 2005-04-08 | Thomson Licensing Sa | Procede de codage differentiel |
US9351013B2 (en) * | 2003-11-13 | 2016-05-24 | Qualcomm Incorporated | Selective and/or scalable complexity control for video codecs |
WO2007130389A2 (en) * | 2006-05-01 | 2007-11-15 | Georgia Tech Research Corporation | Automatic video quality measurement system and method based on spatial-temporal coherence metrics |
US8120660B2 (en) * | 2006-07-10 | 2012-02-21 | Freescale Semiconductor, Inc. | Image data up sampling |
WO2008049445A1 (en) * | 2006-10-25 | 2008-05-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Quality scalable coding |
JP4635016B2 (ja) * | 2007-02-16 | 2011-02-16 | 株式会社東芝 | 情報処理装置およびインター予測モード判定方法 |
FR2915342A1 (fr) | 2007-04-20 | 2008-10-24 | Canon Kk | Procede et dispositif de codage video |
JP5427785B2 (ja) * | 2007-09-28 | 2014-02-26 | ドルビー ラボラトリーズ ライセンシング コーポレイション | ビデオ圧縮技法及びビデオ伝達技法 |
EP2144449A1 (en) | 2008-07-07 | 2010-01-13 | BRITISH TELECOMMUNICATIONS public limited company | Video quality measurement |
US20110182356A1 (en) | 2008-07-25 | 2011-07-28 | Satya Ghosh Ammu | A method for the estimation of spatio-temporal homogeneity in video sequences |
CN101478691B (zh) | 2008-12-31 | 2010-10-06 | 浙江大学 | Motion Jpeg2000视频客观质量的无参考评估方法 |
US8270473B2 (en) * | 2009-06-12 | 2012-09-18 | Microsoft Corporation | Motion based dynamic resolution multiple bit rate video encoding |
EP2486517A4 (en) * | 2009-10-05 | 2014-06-11 | Icvt Ltd | APPARATUS AND METHODS FOR RECOMPRINTING DIGITAL IMAGES |
JP5484140B2 (ja) * | 2010-03-17 | 2014-05-07 | Kddi株式会社 | 映像品質の客観画質評価装置 |
EP2373049A1 (en) * | 2010-03-31 | 2011-10-05 | British Telecommunications Public Limited Company | Video quality measurement |
US9560361B2 (en) * | 2012-12-05 | 2017-01-31 | Vixs Systems Inc. | Adaptive single-field/dual-field video encoding |
-
2013
- 2013-06-25 EP EP13833907.2A patent/EP2888877B1/en not_active Not-in-force
- 2013-06-25 JP JP2015528847A patent/JP2015530807A/ja not_active Withdrawn
- 2013-06-25 AU AU2013307970A patent/AU2013307970A1/en not_active Abandoned
- 2013-06-25 BR BR112015004434A patent/BR112015004434A2/pt not_active IP Right Cessation
- 2013-06-25 US US14/424,067 patent/US10536703B2/en not_active Expired - Fee Related
- 2013-06-25 WO PCT/CN2013/077846 patent/WO2014032463A1/en active Application Filing
-
2015
- 2015-12-21 HK HK15112564.4A patent/HK1211770A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP2888877B1 (en) | 2018-05-02 |
US10536703B2 (en) | 2020-01-14 |
AU2013307970A1 (en) | 2015-03-12 |
US20150222905A1 (en) | 2015-08-06 |
JP2015530807A (ja) | 2015-10-15 |
HK1211770A1 (en) | 2016-05-27 |
WO2014032463A1 (en) | 2014-03-06 |
EP2888877A1 (en) | 2015-07-01 |
EP2888877A4 (en) | 2016-03-23 |
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Legal Events
Date | Code | Title | Description |
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B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] | ||
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |