Modèles de vision et synthèse d'images

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ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (491 download)

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Book Synopsis Modèles de vision et synthèse d'images by : Jean-Philippe Farrugia

Download or read book Modèles de vision et synthèse d'images written by Jean-Philippe Farrugia and published by . This book was released on 2002 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le photo-réalisme en synthèse d'images nécessite l'intervention de nombreux paramètres, ainsi que des calculs complexes. Le but peut être considéré comme atteint lorsque un observateur ne peut plus faire la différence entre une simulation et une photographie de la scène simulée. Pour atteindre cet objectif, il est nécessaire d'effectuer des calculs complexes, aussi bien au niveau de la géométrie de la scène, de la simulation des matériaux, ou encore de l'interaction lumière matière. Toutefois, un élément est souvent oublié dans cette quête de réalisme : l'environnement d'observation. Cette simulation est en effet observée sur un dispositif de visualisation, par un observateur humain, placé dans un certain environnement. Or, chacune de ces trois composantes dispose de caractéristiques bien spécifiques qu'il peut être intéressant d'exploiter en synthèse d'images. C'est ce que nous nous proposons de faire à travers une métrique perceptuelle entre images développée pour correspondre à nos besoins. Cette métrique permet de comparer deux images en utilisant un modèle de vision qui simule le traitement effectué par le système visuel humain. Elle sera ensuite intégrée dans un algorithme de rendu progressif, afin de remplacer les critères empiriques de ce dernier par des critères perceptuels. Les temps de calculs obtenus sont pratiquement deux fois inférieurs à eux d'un calcul complet.

Digital Color

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Publisher : John Wiley & Sons
ISBN 13 : 1118563247
Total Pages : 333 pages
Book Rating : 4.1/5 (185 download)

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Book Synopsis Digital Color by : Christine Fernandez-Maloigne

Download or read book Digital Color written by Christine Fernandez-Maloigne and published by John Wiley & Sons. This book was released on 2013-02-07 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book the authors identify the basic concepts and recent advances in the acquisition, perception, coding and rendering of color. The fundamental aspects related to the science of colorimetry in relation to physiology (the human visual system) are addressed, as are constancy and color appearance. It also addresses the more technical aspects related to sensors and the color management screen. Particular attention is paid to the notion of color rendering in computer graphics. Beyond color, the authors also look at coding, compression, protection and quality of color images and videos. Individual chapters focus on the LMS specification, color constancy, color appearance models, rendering in synthetic image generation, image sensor technologies, image compression, and quality and secure color imaging. Ideal for researchers, engineers, Master’s and PhD students, Digital Color: Acquisition, Perception, Encoding and Rendering offers a state of the art on all the scientific and technical issues raised by the different stages of the digital color process – acquisition, analysis and processing. Contents 1. Colorimetry and Physiology – The LMS Specification, Françoise Viénot and Jean Le Rohellec. 2. Color Constancy, Jean-Christophe Burie, Majed Chambah and Sylvie Treuillet. 3. Color Appearance Models, Christine Fernandez-Maloigne and Alain Trémeau. 4. Rendering and Computer Graphics, Bernard Péroche, Samuel Delepoulle and Christophe Renaud. 5. Image Sensor Technology, François Berry and Omar Ait Aider. 6. From the Sensor to Color Images, Olivier Losson and Eric Dinet. 7. Color and Image Compression, Abdelhakim Saadane, Mohamed-Chaker Larabi and Christophe Charrier. 8. Protection of Color Images, William Puech, Alain Trémeau and Philippe Carré. 9. Quality Assessment Approaches, Mohamed-Chaker Larabi, Abdelhakim Saadane and Christophe Charrier.

Couleur numérique : acquisition, perception, codage et rendu

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Publisher : Lavoisier
ISBN 13 : 2746275554
Total Pages : 370 pages
Book Rating : 4.7/5 (462 download)

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Book Synopsis Couleur numérique : acquisition, perception, codage et rendu by : FERNANDEZ-MALOIGNE Christine

Download or read book Couleur numérique : acquisition, perception, codage et rendu written by FERNANDEZ-MALOIGNE Christine and published by Lavoisier. This book was released on 2012-06-07 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dans cet ouvrage les auteurs recensent les concepts fondamentaux et les dernières avancées dans le domaine de l'acquisition, de la perception, du codage et du rendu des couleurs. Destiné aux chercheurs et ingénieurs, aux étudiants en Master ou Doctorat, cet ouvrage dresse un état de l'art sur les problématiques scientifiques et techniques soulevées par les différentes étapes de la chaîne numérique couleur. Cet ouvrage aborde les aspects fondamentaux liés à la colorimétrie et à la physiologie, à la constance et à l'apparence des couleurs. Il traite aussi des aspects plus techniques liés aux capteurs et à la gestion des couleurs sur écran. Une attention particulière a été également apportée à la notion de rendu des couleurs en synthèse d'images. Au delà de la couleur, un état de l'art approfondit est aussi mené sur le codage, la compression, la protection et la qualité d'images et de vidéos couleur.

L'épreuve de synthèse en anglais

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Publisher : Editions Bréal
ISBN 13 : 9782842918910
Total Pages : 236 pages
Book Rating : 4.9/5 (189 download)

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Book Synopsis L'épreuve de synthèse en anglais by : Patrick Chézaud

Download or read book L'épreuve de synthèse en anglais written by Patrick Chézaud and published by Editions Bréal. This book was released on 2002 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Photorealism in Computer Graphics

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Publisher : Springer Science & Business Media
ISBN 13 : 3662092875
Total Pages : 230 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Photorealism in Computer Graphics by : Kadi Bouatouch

Download or read book Photorealism in Computer Graphics written by Kadi Bouatouch and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this book is to present the most advanced research works in realistic computer generated images. It is made up of the papers presented during a Eurographics workshop that has been held in Rennes (France) on June 1990. Although realism in computer graphics has existed for many years, we have considered that two research directions can now clearly be identified. One makes use of empirical methods to efficiently create images that look real. As opposed to this approach, the other orientation makes use of physics to produce images that are exact representations of the real world (at the expense of additional processing time), hence the term photosimulation which indeed was the subject of this book. The objectives of this workshop were to assemble experts from physics and computer graphics in order to contribute to the introduction of physics-based approaches in the field of computer generated images. The fact that this workshop was the first entirely devoted to this topic was a bet and fortunately it turned out that it was a success. The contents of this book is organized in five chapters: Efficient Ray Tracing Meth ods, Theory of Global Illumination Models, Photometric Algorithms, Form-Factor Cal culations and Physics-Based Methods.

Computational Intelligence

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ISBN 13 :
Total Pages : 422 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Computational Intelligence by :

Download or read book Computational Intelligence written by and published by . This book was released on 1985 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications

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Publisher : Springer
ISBN 13 : 3642166873
Total Pages : 588 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications by : Isabelle Bloch

Download or read book Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications written by Isabelle Bloch and published by Springer. This book was released on 2010-11-02 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pattern recognition is a central topic in contemporary computer sciences, with continuously evolving topics, challenges, and methods, including machine learning, content-based image retrieval, and model- and knowledge-based - proaches, just to name a few. The Iberoamerican Congress on Pattern Recog- tion (CIARP) has become established as a high-quality conference, highlighting the recent evolution of the domain. These proceedings include all papers presented during the 15th edition of this conference, held in Sao Paulo, Brazil, in November 2010. As was the case for previous conferences, CIARP 2010 attracted parti- pants from around the world with the aim of promoting and disseminating - going research on mathematical methods and computing techniques for pattern recognition, computer vision, image analysis, and speech recognition, as well as their applications in such diverse areas as robotics, health, entertainment, space exploration, telecommunications, data mining, document analysis, and natural language processing and recognition, to name only a few of them. Moreover, it provided a forum for scienti?c research, experience exchange, sharing new kno- edge and increasing cooperation between research groups in pattern recognition and related areas. It is important to underline that these conferences have contributed sign- icantly to the growth of national associations for pattern recognition in the Iberoamerican region, all of them as members of the International Association for Pattern Recognition (IAPR).

Graphics and Robotics

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Publisher : Springer Science & Business Media
ISBN 13 : 3642792103
Total Pages : 251 pages
Book Rating : 4.6/5 (427 download)

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Book Synopsis Graphics and Robotics by : Wolfgang Straßer

Download or read book Graphics and Robotics written by Wolfgang Straßer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: Problems common to graphics and robotics are covered in this reviewed selection of papers written following a 1993 workshop. Leading experts from both disciplines met to identify common problems, to present new solutions, and to discuss future research directions. Topics covered include robot simulation using graphics workstations, simulation concepts in the framework of teleoperation, path planning strategies, collision detection techniques, experimentation using virtual reality, modeling techniques for automated programming and for objects with curved surfaces, object-oriented implementations, various aspects of robot vision, and - in a paper that reflects the essence of the workshop - the challenging task of designing a vision system for a domestic robot.

Image Analysis and Processing – ICIAP 2005

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Publisher : Springer
ISBN 13 : 3540318666
Total Pages : 1242 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Image Analysis and Processing – ICIAP 2005 by : Fabio Roli

Download or read book Image Analysis and Processing – ICIAP 2005 written by Fabio Roli and published by Springer. This book was released on 2005-11-18 with total page 1242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the Proceedings of the 13th International Conference on Image Analysis and Processing (ICIAP 2005), held in Cagliari, Italy, at the conference centre “Centro della Cultura e dei Congressi”, on September 6–8, 2005. ICIAP 2005 was the thirteenth edition of a series of conferences organized every two years by the Italian group of researchersa?liated to the International Association for Pattern Recognition (GIRPR) with the aim to bring together researchers in image processing and pattern recognition from around the world. As for the previous editions, conference topics concerned the theory of image analysis and processing and its classical and Internet-driven applications. The central theme of ICIAP 2005 was “Pattern Recognition in the Internet and Mobile Communications Era”. The interest for such a theme was con?rmed by the large number of papers dealing with it, the special session devoted to pattern recognition for computer network security, and the emphasis of two invited talks on Internet and mobile communication issues. ICIAP 2005 received 217 paper submissions. Fifteen papers were collected into the two special sessions dealing with Pattern Recognition for Computer Network Security and Computer Vision for Augmented Reality and Augmented Environments.

Synthèse de nouvelles vues d'une scène 3D à partir d'images existantes

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

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Book Synopsis Synthèse de nouvelles vues d'une scène 3D à partir d'images existantes by : Jérôme Blanc (auteur en informatique).)

Download or read book Synthèse de nouvelles vues d'une scène 3D à partir d'images existantes written by Jérôme Blanc (auteur en informatique).) and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: La synthèse d'images a pour but de calculer des vues aussi réalistes que possible d'une scène tridimensionnelle définie par un modèle géométrique 3D, augmenté de certaines informations photométriques : couleurs, textures, matériaux, et nature de leurs interactions avec la lumière. Classiquement, pour ces applications, il est nécessaire d'effectuer une première étape de modélisation manuelle de la scène synthétisée. Cette étape est longue et fastidieuse, et peut demander plusieurs hommes-mois pour des scènes que l'on veut très réalistes, donc complexes : scènes comportant un grand nombre d'objets, de couleurs et de textures ; paysages naturels. Or, nous constatons qu'il n'est pas toujours nécessaire d'atteindre un haut niveau de détail pour produire des images réalistes, car la texture des objets synthétiques peut suffire à faire illusion. Aussi, nous proposons de modéliser une scène existante, non pas à partir d'une description Mathématique explicite, mais à partir de quelques photographies, ou d'une séquence vidéo. Cette technique est appelée synthèse de nouvelles vues d'une scène 3D à partir de vues existantes, et constitue un domaine innovant de la vision par ordinateur, et de son application à la synthèse d'images. Formellement, le but en est le suivant : à partir de quelques images d'une scène tridimensionnelle, nous voulons synthétiser de nouvelles images de cette scène, sous un angle de vue inédit. Les applications de ce procède sont toutes celles de la synthèse d'image, et de la Réalité Virtuelle : simulation, entraînement, commerce, loisirs, ainsi que des applications en compression vidéo. L'apport d'une telle technique est de supprimer totalement l'étape de modélisation propre à tous les systèmes de synthèse d'images. Pour cela, nous faisons appel à des méthodes classiques de vision par ordinateur, concernant la perception tridimensionnelle. Nous recensons les solutions applicables, nous les adaptons, nous les intégrons, puis nous évaluons la qualité du processus global, sur des critères quantitatifs et qualitatifs. Des tests sont menés sur des données synthétiques (images de synthèse), et des données réelles (photographies).

Scientific and Technical Aerospace Reports

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Publisher :
ISBN 13 :
Total Pages : 466 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1990 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computer Vision, Virtual Reality and Robotics in Medicine

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Publisher : Springer
ISBN 13 : 354049197X
Total Pages : 564 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Computer Vision, Virtual Reality and Robotics in Medicine by : Nicholas Ayache

Download or read book Computer Vision, Virtual Reality and Robotics in Medicine written by Nicholas Ayache and published by Springer. This book was released on 2006-04-10 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the written contributions to the program of the First In ternational Conference on Computer Vision, Virtual Reality, and Robotics in Medicine (CVRMed'95) held in Nice during the period April 3-6, 1995. The articles are regrouped into a number of thematic sessions which cover the three major topics of the field: medical image understanding, registration problems in medicine, and therapy planning, simulation and control. The objective of the conference is not only to present the most innovative and promising research work but also to highlight research trends and to foster dialogues and debates among participants. This event was decided after a preliminary successful symposium organized in Stanford in March 1994 by E. Grimson (MIT), T. Kanade (CMU), R. Kikinis and W. Wells (Chair) (both at Harvard Medical School and Brigham and Women's Hospital), and myself (INRIA). We received 92 submitted full papers, and each one was evaluated by at least three members of the Program Committee, with the help of auxiliary reviewers. Based on these evaluations, a representative subset of the Program Committee met to select 19 long papers, 29 regular papers, and 27 posters. The geographical repartition of the contributions is the following: 24 from European countries (other than France), 23 contributions from France, 20 from Northern America (USA and Canada), and 8 from Asia (Japan and Singapore).

Optimisation in Signal and Image Processing

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Publisher : John Wiley & Sons
ISBN 13 : 1118623673
Total Pages : 277 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Optimisation in Signal and Image Processing by : Patrick Siarry

Download or read book Optimisation in Signal and Image Processing written by Patrick Siarry and published by John Wiley & Sons. This book was released on 2013-03-01 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the optimization methods most commonly encountered in signal and image processing: artificial evolution and Parisian approach; wavelets and fractals; information criteria; training and quadratic programming; Bayesian formalism; probabilistic modeling; Markovian approach; hidden Markov models; and metaheuristics (genetic algorithms, ant colony algorithms, cross-entropy, particle swarm optimization, estimation of distribution algorithms, and artificial immune systems).

The Edition XII Guide

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Publisher :
ISBN 13 :
Total Pages : 552 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis The Edition XII Guide by : Edition XII

Download or read book The Edition XII Guide written by Edition XII and published by . This book was released on 1995 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Over 500 profiles of Postgraduate Science, Health, Computer Sciences and Engineering courses. A comprehensive reference section, with details of over 10 000 Postgraduate Science and Engineering courses. There is also practical editorial giving useful and essential advice and information"--Back cover.

Signal and Image Processing for Biometrics

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Publisher : John Wiley & Sons
ISBN 13 : 1118588193
Total Pages : 353 pages
Book Rating : 4.1/5 (185 download)

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Book Synopsis Signal and Image Processing for Biometrics by : Amine Nait-Ali

Download or read book Signal and Image Processing for Biometrics written by Amine Nait-Ali and published by John Wiley & Sons. This book was released on 2012-12-17 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to deal with biometrics in terms of signal and image processing methods and algorithms. This will help engineers and students working in digital signal and image processing deal with the implementation of such specific algorithms. It discusses numerous signal and image processing techniques that are very often used in biometric applications. In particular, algorithms related to hand feature extraction, speech recognition, 2D/3D face biometrics, video surveillance and other interesting approaches are presented. Moreover, in some chapters, Matlab codes are provided so that readers can easily reproduce some basic simulation results. This book is suitable for final-year undergraduate students, postgraduate students, engineers and researchers in the field of computer engineering and applied digital signal and image processing. 1. Introduction to Biometrics, Bernadette Dorizzi. 2. Introduction to 2D Face Recognition, Amine Nait-Ali and Dalila Cherifi. 3. Facial Soft Biometrics for Person Recognition, Antitza Dantcheva, Christelle Yemdji, Petros Elia and Jean-Luc Dugelay. 4. Modeling, Reconstruction and Tracking for Face Recognition, Catherine Herold, Vincent Despiegel, Stéphane Gentric, Séverine Dubuisson and Isabelle Bloch. 5. 3D Face Recognition, Mohsen Ardabilian, Przemyslaw Szeptycki, Di Huang and Liming Chen. 6. Introduction to Iris Biometrics, Kamel Aloui, Amine Nait-Ali, Régis Fournier and Saber Naceur. 7. Voice Biometrics: Speaker Verification and Identification, Foezur Chowdhury, Sid-Ahmed Selouani and Douglas O’Shaughnessy. 8. Introduction to Hand Biometrics, Régis Fournier and Amine Nait-Ali. 9. Multibiometrics, Romain Giot, Baptiste Hemery, Estelle Cherrier and Christophe Rosenberger. 10. Hidden Biometrics, Amine Nait-Ali, Régis Fournier, Kamel Aloui and Noureddine Belgacem. 11. Performance Evaluation of Biometric Systems, Mohamad El-Abed, Romain Giot, Baptiste Hemery, Julien Mahier and Christophe Rosenberger. 12. Classification Techniques for Biometrics, Amel Bouchemha, Chérif Nait-Hamoud, Amine Nait-Ali and Régis Fournier. 13. Data Cryptography, Islam Naveed and William Puech. 14. Visual Data Protection, Islam Naveed and William Puech. 15. Biometrics in Forensics, Guillaume Galou and Christophe Lambert.

PASCAL.

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Publisher :
ISBN 13 :
Total Pages : 744 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis PASCAL. by :

Download or read book PASCAL. written by and published by . This book was released on 1991 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Human Vision, Visual Processing, and Digital Display

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Publisher :
ISBN 13 :
Total Pages : 476 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Human Vision, Visual Processing, and Digital Display by :

Download or read book Human Vision, Visual Processing, and Digital Display written by and published by . This book was released on 1994 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: