Controle De Qualite Optimal Dapplications Multimedia

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Contrôle de qualité optimal d'applications multimédia

Author : Loïc Strus
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (495 download)

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Book Synopsis Contrôle de qualité optimal d'applications multimédia by : Loïc Strus

Download or read book Contrôle de qualité optimal d'applications multimédia written by Loïc Strus and published by . This book was released on 2008 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce manuscrit présente une méthode de contrôle de qualité de service à grain fin d'applications multimédia. Celle-ci permet le contrôle d'applications dont les actions sont paramétrées par des niveaux de qualité et dont les durées d'exécution ne sont pas connues. Le contrôle consiste en la construction d'un ordonnancement et le choix des niveaux de qualité respectant des propriétés de sûreté et d'optimalité. C'est-à-dire que l'on cherche à maximiser l'utilisation du budget de temps sans pour autant le dépasser tout en ayant un choix de qualité régulier. Le contrôleur utilise une politique de gestion de qualité permettant de choisir pour chaque action l'ordonnancement et le niveau de qualité respectant les contraintes de qualité de service. Nous étendons et améliorons les résultats précédents dans deux directions. La première propose une approche symbolique de la politique de gestion de qualité. Celle-ci utilise un diagramme de vitesses qui est une représentation graphique du comportement de l'application contrôlée. À partir de cette représentation, nous avons proposé une technique de contrôle permettant de relâcher le nombre d'appels au contrôleur tout en respectant les propriétés de sûreté et d'optimalité. Nous avons ensuite proposé une approche stochastique du problème basée sur des fonctions de distribution de probabilités pour les durées d'exécution des actions. Notre méthode donne la possibilité à l'utilisateur de fixer la criticité des contraintes temps-réel. Elle permet aussi de calculer à priori le taux attendu de dépassement des échéances. Ces résultats théoriques ont été appuyés par des expériences réalisées sur un encodeur vidéo s'exécutant sur machine nue.

Contrôle de qualité optimal d'applications multimédia

Author : Loïc Strus
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis Contrôle de qualité optimal d'applications multimédia by : Loïc Strus

Download or read book Contrôle de qualité optimal d'applications multimédia written by Loïc Strus and published by . This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce manuscrit présente une méthode de contrôle de qualité de service à grain fin d'applications multimédia. Celle-ci permet le contrôle d'applications dont les actions sont paramétrées par des niveaux de qualité et dont les durées d'exécution ne sont pas connues. Le contrôle consiste en la construction d'un ordonnancement et le choix des niveaux de qualité respectant des propriétés de sûreté et d'optimalité. C'est-à-dire que l'on cherche à maximiser l'utilisation du budget de temps sans pour autant le dépasser tout en ayant un choix de qualité régulier. Le contrôleur utilise une politique de gestion de qualité permettant de choisir pour chaque action l'ordonnancement et le niveau de qualité respectant les contraintes de qualité de service. Nous étendons et améliorons les résultats précédents dans deux directions. La première propose une approche symbolique de la politique de gestion de qualité. Celle-ci utilise un diagramme de vitesses qui est une représentation graphique du comportement de l'application contrôlée. À partir de cette représentation, nous avons proposé une technique de contrôle permettant de relâcher le nombre d'appels au contrôleur tout en respectant les propriétés de sûreté et d'optimalité. Nous avons ensuite proposé une approche stochastique du problème basée sur des fonctions de distribution de probabilités pour les durées d'exécution des actions. Notre méthode donne la possibilité à l'utilisateur de fixer la criticité des contraintes temps-réel. Elle permet aussi de calculer à priori le taux attendu de dépassement des échéances. Ces résultats théoriques ont été appuyés par des expériences réalisées sur un encodeur vidéo s'exécutant sur machine nue.

Intelligent Multimedia Communication: Techniques and Applications

Author : Chang Wen Chen
Publisher : Springer Science & Business Media
ISBN 13 : 364211685X
Total Pages : 509 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Intelligent Multimedia Communication: Techniques and Applications by : Chang Wen Chen

Download or read book Intelligent Multimedia Communication: Techniques and Applications written by Chang Wen Chen and published by Springer Science & Business Media. This book was released on 2011-07-06 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multimedia data are used more and more widely in human being's life, e.g., videoconferencing, visual telephone, IPTV, etc. Nearly most of the applications need multimedia transmission techniques that send multimedia data from one side to another side and keep the properties of efficiency, robustness and security. Here, the efficiency denotes the time cost of transmission operations, the robustness denotes the ability to survive transmission errors or noises, and the security denotes the protection of the transmitted media content. Recently, various intelligent or innovative techniques are invented, which bring vast performance improvements to practical applications. For example, such content transmission techniques as p2p, sensor network and ad hoc network are constructed, which adaptively use the peers’ properties to improve the network’s resources. Multimedia adaptation techniques can adjust the multimedia data rate in order to compliant with the network’s bandwidth. Scalable encryption techniques can generate the data stream that can be correctly decrypted after bit rate conversion. Ubiquitous multimedia services make the user share any kind of content anywhere. The book includes fourteen chapters highlighting current concepts, issues and emerging technologies. Distinguished scholars from many prominent research institutions around the world contribute to the book. The book covers various aspects, including not only some fundamental knowledge and the latest key techniques, but also typical applications and open issues. For example, the covered topics include the present and future video coding standards, stereo and multiview coding techniques, free-viewpoint TV techniques, wireless broadcasting techniques, media streaming techniques, wireless media transmission techniques and systems, and User-Generated Content sharing.

Digital Multimedia: Concepts, Methodologies, Tools, and Applications

Author : Management Association, Information Resources
Publisher : IGI Global
ISBN 13 : 1522538232
Total Pages : 1797 pages
Book Rating : 4.5/5 (225 download)

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Book Synopsis Digital Multimedia: Concepts, Methodologies, Tools, and Applications by : Management Association, Information Resources

Download or read book Digital Multimedia: Concepts, Methodologies, Tools, and Applications written by Management Association, Information Resources and published by IGI Global. This book was released on 2017-09-13 with total page 1797 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contemporary society resides in an age of ubiquitous technology. With the consistent creation and wide availability of multimedia content, it has become imperative to remain updated on the latest trends and applications in this field. Digital Multimedia: Concepts, Methodologies, Tools, and Applications is an innovative source of scholarly content on the latest trends, perspectives, techniques, and implementations of multimedia technologies. Including a comprehensive range of topics such as interactive media, mobile technology, and data management, this multi-volume book is an ideal reference source for engineers, professionals, students, academics, and researchers seeking emerging information on digital multimedia.

Multimedia Networking

Author : Jenq-Neng Hwang
Publisher : Cambridge University Press
ISBN 13 : 1139478737
Total Pages : 549 pages
Book Rating : 4.1/5 (394 download)

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Book Synopsis Multimedia Networking by : Jenq-Neng Hwang

Download or read book Multimedia Networking written by Jenq-Neng Hwang and published by Cambridge University Press. This book was released on 2009-04-16 with total page 549 pages. Available in PDF, EPUB and Kindle. Book excerpt: This authoritative guide is the first to provide a complete system design perspective based on existing international standards and state-of-the-art networking and infrastructure technologies, from theoretical analyses to practical design considerations. The four most critical components involved in a multimedia networking system - data compression, quality of service (QoS), communication protocols, and effective digital rights management - are intensively addressed. Many real-world commercial systems and prototypes are also introduced, as are software samples and integration examples, allowing readers to understand practical tradeoffs in the design of multimedia architectures, and get hands-on experience learning the methodologies and procedures. Balancing just the right amount of theory with practical design and integration knowledge, this book is ideal for graduate students and researchers in electrical engineering and computer science, and also for practitioners in the communications and networking industry. It can also be used as a textbook for specialized graduate-level courses on multimedia networking.

Réseaux véhiculaires : Modèles et algorithmes

Author : LABIOD Houda
Publisher : Lavoisier
ISBN 13 : 2746282909
Total Pages : 268 pages
Book Rating : 4.7/5 (462 download)

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Book Synopsis Réseaux véhiculaires : Modèles et algorithmes by : LABIOD Houda

Download or read book Réseaux véhiculaires : Modèles et algorithmes written by LABIOD Houda and published by Lavoisier. This book was released on 2013-09-01 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: L’émergence des systèmes de transport intelligents est due principalement aux grands progrès technologiques dans les domaines des protocoles de communication sans fil, des systèmes embarqués et temps réel. Très prometteurs, ces derniers permettront d’offrir un large éventail de nouvelles applications, de nouveaux véhicules communicants et de définir un éco-système de mobilités diversifiées. Les caractéristiques inhérentes à ces systèmes posent de nouveaux challenges en termes de protocoles et d’architectures de communications. Les réseaux véhiculaires connaissent des évolutions récentes : cet ouvrage propose d’en traiter les problèmes critiques, à savoir le contrôle de congestion, le routage, le clustering, l’interconnexion entre le réseau véhiculaire et les réseaux LTE/LTE Advanced, le contrôle du trafic routier ou encore la simulation à travers les outils et la génération de traces de mobilité. D’approche analytique, cet ouvrage se présente comme la genèse d’un nouveau domaine qui est en train de bouleverser les modèles de transports dans nos sociétés.

Quality of Service for Internet Multimedia

Author : Jitae Shin
Publisher : Prentice Hall Professional
ISBN 13 : 9780131414631
Total Pages : 224 pages
Book Rating : 4.4/5 (146 download)

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Book Synopsis Quality of Service for Internet Multimedia by : Jitae Shin

Download or read book Quality of Service for Internet Multimedia written by Jitae Shin and published by Prentice Hall Professional. This book was released on 2004 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: & • Presents a simple yet practical approach to achieve realistic multimedia networking simulations by simulating applications. & & • In-depth coverage of recent research results in the area of multimedia transmission over QoS-enabled networks. & & • Straight from the source, Authors from the federally funded IMSC research program at USC.

From Multimedia Services to Network Services

Author : Andre Danthine
Publisher : Springer Science & Business Media
ISBN 13 : 9783540639350
Total Pages : 200 pages
Book Rating : 4.6/5 (393 download)

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Book Synopsis From Multimedia Services to Network Services by : Andre Danthine

Download or read book From Multimedia Services to Network Services written by Andre Danthine and published by Springer Science & Business Media. This book was released on 1997-12-05 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 4th International COST 237 Workshop, held in Lisboa, Portugal, in December 1997 of the European COST Programme on Multimedia Telecommunication Services. The 12 revised full papers presented were selected from 24 submissions. The topics covered include multimedia presentation, QoS Control, electronic commerce, CORBA and DCE, real-time multimedia, multimedia conferenceing, multicast networking, heterogeneous communications environments, and others.

End-to-End Quality of Service Over Heterogeneous Networks

Author : Torsten Braun
Publisher : Springer Science & Business Media
ISBN 13 : 3540791205
Total Pages : 277 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis End-to-End Quality of Service Over Heterogeneous Networks by : Torsten Braun

Download or read book End-to-End Quality of Service Over Heterogeneous Networks written by Torsten Braun and published by Springer Science & Business Media. This book was released on 2008-08-02 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, one of the first of its kind, presents mechanisms, protocols, and system architectures needed to attain end-to-end Quality of Service over heterogeneous wired and wireless networks in the Internet.

Advances in Multimedia Modeling

Author : Susanne Boll
Publisher : Springer Science & Business Media
ISBN 13 : 3642113001
Total Pages : 822 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Advances in Multimedia Modeling by : Susanne Boll

Download or read book Advances in Multimedia Modeling written by Susanne Boll and published by Springer Science & Business Media. This book was released on 2009-12-21 with total page 822 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 16th international conference on Multimedia Modeling (MMM2010) was held in the famous mountain city Chongqing, China, January 6–8, 2010, and hosted by Southwest University. MMM is a leading international conference for researchersand industry practitioners to share their new ideas, original research results and practicaldevelopment experiences from all multimedia related areas. MMM2010attractedmorethan160regular,specialsession,anddemosession submissions from 21 countries/regions around the world. All submitted papers were reviewed by at least two PC members or external reviewers, and most of them were reviewed by three reviewers. The review process was very selective. From the total of 133 submissions to the main track, 43 (32. 3%) were accepted as regular papers, 22 (16. 5%) as short papers. In all, 15 papers were received for three special sessions, which is by invitation only, and 14 submissions were received for a demo session, with 9 being selected. Authors of accepted papers come from 16 countries/regions. This volume of the proceedings contains the abstracts of three invited talks and all the regular, short, special session and demo papers. The regular papers were categorized into nine sections: 3D mod- ing;advancedvideocodingandadaptation;face,gestureandapplications;image processing;imageretrieval;learningsemanticconcepts;mediaanalysisandm- eling; semantic video concepts; and tracking and motion analysis. Three special sessions were video analysis and event recognition, cross-X multimedia mining in large scale, and mobile computing and applications. The technical programfeatured three invited talks, paralleloral presentation of all the accepted regular and special session papers, and poster sessions for short and demo papers.

Wireless Technologies: Concepts, Methodologies, Tools and Applications

Author : Management Association, Information Resources
Publisher : IGI Global
ISBN 13 : 1613501021
Total Pages : 2875 pages
Book Rating : 4.6/5 (135 download)

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Book Synopsis Wireless Technologies: Concepts, Methodologies, Tools and Applications by : Management Association, Information Resources

Download or read book Wireless Technologies: Concepts, Methodologies, Tools and Applications written by Management Association, Information Resources and published by IGI Global. This book was released on 2011-08-31 with total page 2875 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains the latest research, case studies, theories, and methodologies within the field of wireless technologies.

Dependable Computing - EDDC-3

Author : Jan Hlavicka
Publisher : Springer
ISBN 13 : 3540482547
Total Pages : 442 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Dependable Computing - EDDC-3 by : Jan Hlavicka

Download or read book Dependable Computing - EDDC-3 written by Jan Hlavicka and published by Springer. This book was released on 2003-06-26 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: The idea of creating the European Dependable Computing Conference (EDCC) was born at the moment when the Iron Curtain fell. A group of enthusiasts, who were pre viously involved in research and teaching in the ?eld of fault tolerant computing in different European countries, agreed that there is no longer any point in keeping pre viously independent activities apart and created a steering committee which took the responsibility for preparing the EDCC calendar and appointing the chairs for the in dividual conferences. There is no single European or global professional organization that took over the responsibility for this conference, but there are three national in terest groups that sent delegates to the steering committee and support its activities, especially by promoting the conference materials. As can be seen from these materi als, they are the SEE Working Group “Dependable Computing” (which is a successor organizationof AFCET)in France,theGI/ITG/GMATechnicalCommitteeonDepend ability and Fault Tolerance in Germany, and the AICA Working Group “Dependability of Computer Systems” in Italy. In addition, committees of several global professional organizations, such as IEEE and IFIP, support this conference. Prague has been selected as a conference venue for several reasons. It is an easily accessible location that may attract many visitors by its beauty and that has a tradition in organizing international events of this kind (one of the last FTSD conferences took place here).

Digital Video Image Quality and Perceptual Coding

Author : H.R. Wu
Publisher : CRC Press
ISBN 13 : 1420027824
Total Pages : 640 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Digital Video Image Quality and Perceptual Coding by : H.R. Wu

Download or read book Digital Video Image Quality and Perceptual Coding written by H.R. Wu and published by CRC Press. This book was released on 2017-12-19 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: The hand is quicker than the eye. In many cases, so is digital video. Maintaining image quality in bandwidth- and memory-restricted environments is quickly becoming a reality as thriving research delves ever deeper into perceptual coding techniques, which discard superfluous data that humans cannot process or detect. Surveying the topic from a Human Visual System (HVS)-based approach, Digital Video Image Quality and Perceptual Coding outlines the principles, metrics, and standards associated with perceptual coding, as well as the latest techniques and applications. This book is divided broadly into three parts. First, it introduces the fundamental theory, concepts, principles, and techniques underlying the field, such as the basics of compression, HVS modeling, and coding artifacts associated with current well-known techniques. The next section focuses on picture quality assessment criteria; subjective and objective methods and metrics, including vision model based digital video impairment metrics; testing procedures; and international standards regarding image quality. Finally, practical applications come into focus, including digital image and video coder designs based on the HVS as well as post-filtering, restoration, error correction, and concealment techniques. The permeation of digital images and video throughout the world cannot be understated. Nor can the importance of preserving quality while using minimal storage space, and Digital Video Image Quality and Perceptual Coding provides the tools necessary to accomplish this goal. Instructors and lecturers wishing to make use of this work as a textbook can download a presentation of 786 slides in PDF format organized to augment the text. accompany our book (H.R. Wu and K.R. Rao, Digital Video Image Quality and Perceptual Coding, CRC Press (ISBN: 0-8247-2777-0), Nov. 2005) for lecturers or instructor to use for their classes if they use the book.

Technological Innovations in Adaptive and Dependable Systems: Advancing Models and Concepts

Author : De Florio, Vincenzo
Publisher : IGI Global
ISBN 13 : 1466602562
Total Pages : 426 pages
Book Rating : 4.4/5 (666 download)

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Book Synopsis Technological Innovations in Adaptive and Dependable Systems: Advancing Models and Concepts by : De Florio, Vincenzo

Download or read book Technological Innovations in Adaptive and Dependable Systems: Advancing Models and Concepts written by De Florio, Vincenzo and published by IGI Global. This book was released on 2012-03-31 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book provides high quality, effective approaches to design, develop, maintain, evaluate, and benchmark adaptive and dependable systems that are built to sustain quality of service and experience despite the occurrence of potentially significant and sudden changes or failures in their infrastructure and surrounding environments"--Provided by publisher.

Wireless Multi-Access Environments and Quality of Service Provisioning: Solutions and Application

Author : Muntean, Gabriel-Miro
Publisher : IGI Global
ISBN 13 : 1466600187
Total Pages : 429 pages
Book Rating : 4.4/5 (666 download)

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Book Synopsis Wireless Multi-Access Environments and Quality of Service Provisioning: Solutions and Application by : Muntean, Gabriel-Miro

Download or read book Wireless Multi-Access Environments and Quality of Service Provisioning: Solutions and Application written by Muntean, Gabriel-Miro and published by IGI Global. This book was released on 2012-01-31 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book serves as a vital resource for practitioners to learn about the latest research and methodology within the field of wireless technology, covering important aspects of emerging technologies in the heterogeneous next generation network environment with a focus on wireless communications and their quality"--Provided by publisher.

Wired/Wireless Internet Communications

Author : Xavier Masip-Bruin
Publisher : Springer
ISBN 13 : 3642215602
Total Pages : 520 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Wired/Wireless Internet Communications by : Xavier Masip-Bruin

Download or read book Wired/Wireless Internet Communications written by Xavier Masip-Bruin and published by Springer. This book was released on 2011-06-27 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the proceedings of the 9th IFIP TC 6 International Conference on Wired/Wireless Internet Communications, WWIC 2011, held in Vilanova i la Geltrú, Spain, in June 2011. The 26 contributions included were carefully reviewed and selected from 50 submissions. In addition the book contains 15 invited papers. The contributions are structured in topical sections on mobility and LTE networks; performance and simulation analysis; adaptive approaches to guarantee E2E network services; energy efficiency and cooperation in wireless networks; transmission and management; quality through routing, naming and control; wireless multi-hop communications challenges in the future internet; and emerging contributions.

Distributed Multimedia Database Technologies Supported by MPEG-7 and MPEG-21

Author : Harald Kosch
Publisher : CRC Press
ISBN 13 : 0203009339
Total Pages : 276 pages
Book Rating : 4.2/5 (3 download)

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Book Synopsis Distributed Multimedia Database Technologies Supported by MPEG-7 and MPEG-21 by : Harald Kosch

Download or read book Distributed Multimedia Database Technologies Supported by MPEG-7 and MPEG-21 written by Harald Kosch and published by CRC Press. This book was released on 2003-11-24 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: A multimedia system needs a mechanism to communicate with its environment, the Internet, clients, and applications. MPEG-7 provides a standard metadata format for global communication, but lacks the framework to let the various players in a system interact. MPEG-21 closes this gap by establishing an infrastructure for a distributed multimedia frame