Download or read book Algorithmes d interpolation pour la synth se r aliste de s quences d images written by Sophie-Anne Thobie and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Outils d analyse vid o pour une pleine exploitation des donn es de la vid oprotection written by DUFOUR Jean-Yves and published by Lavoisier. This book was released on 2012-10-22 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: L’utilisation croissante de la vidéoprotection rend nécessaire la mise en place de fonctions d’analyse vidéo pour alléger voire automatiser des tâches aujourd’hui entièrement réalisées par des opérateurs. Après avoir dressé un panorama des avancées et des perspectives en analyse d’image, cet ouvrage détaille les principales fonctions d’analyse vidéo, comme la détection, le suivi et la reconnaissance d’objets d’intérêt (personnes ou véhicules) ou les fonctions de « haut-niveau » visant à interpréter les scènes observées (évènements, comportements, nature de la scène...). Les besoins sont illustrés sous l’angle de deux applications majeures, la sécurité des transports et l’investigation. Les contraintes d’ordres juridique et éthique sont présentées, ainsi que les caractéristiques des données vidéo traitées, au travers des caméras et des méthodes de compression utilisées. La problématique de l’évaluation de performance, tant au niveau opérationnel qu’au niveau des fonctions d’analyse, est également exposée.

Download or read book Interpolation r aliste de s quences d images r elles written by Jérôme Gueydan and published by . This book was released on 1997 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Synth se D Images R alistes written by Salman Shahidi and published by Editions Universitaires Europeennes. This book was released on 2010-05 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les images de synth se paraissent souvent trop lisses, trop parfaites, et trop propres pour les consid rer r alistes. Pour r soudre ce probl me, un grand nombre de ph nom nes de vieillissement doit tre pris en consid ration. Ces ph nom nes peuvent appara tre sous diff rentes formes affectant la g om trie, la r flexion de la lumi re et les textures. Ce domaine est actuellement tr s tudi en synth se d'images en employant de nouvelles techniques aussi bien en mod lisation qu'en rendu. Cette th se propose des techniques pour repr senter des d fauts importants sur les mat riaux de construction: efflorescences et effritements. Les m thodes d velopp es dans le cadre de cette th se proposent de nouveaux algorithmes pour augmenter le r alisme de ce type d'images. Afin d' viter d'employer un trop grand nombre de param tres rendant la manipulation difficile, nous proposons d' tablir un mod le ph nom nologique empirique. Il nous permet d'obtenir des r sultats physiquement plausibles avec seulement quelques param tres intuitifs.

Download or read book Algorithmes pour la synth se d images et l animation 3D written by Rémy Malgouyres and published by . This book was released on 2002 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cinéma, publicité, jeux vidéos... L'infographie est aujourd'hui omniprésente dans tous les métiers de l'image. La qualité des images générées avec des ordinateurs dépend de nombreux paramètres tels que la justesse de la modélisation géométrique des objets représentés, le calcul des parties cachées ou la représentation des éclairages. Ce cours est une introduction aux algorithmes qui permettent la modélisation en 3D. Supposant étonnamment peu de prérequis, il fait le tour des modèles et techniques incontournables du domaine : Infographie 2D : tracé de droites, remplissage de polygones, fenêtrage ; Modélisation géométrique : construction des courbes, des surfaces complexes ; Affichage interactif : élimination des parties cachées, modèles d'illumination, textures ; Navigation : déplacement d'une caméra dans une scène 3D ; Rendu réaliste : lancer de rayons, transparence ; Techniques avancées : accélération et optimisation, échantillonnage stochastique. Ce livre permet une compréhension complète de ces modèles et algorithmes, avec des rappels de notions mathématiques et de nombreux exercices corrigés. Il est destiné aux étudiants de DUT d'infographie et de deuxième cycle d'infographie et d'informatique. Un guide et un support logiciel sont disponibles sur le site web de l'auteur.

Download or read book ECHANTILLONNAGE IRREGULIER ET INTERPOLATION written by Hervé Le Floch and published by . This book was released on 1997 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: LE DOMAINE D'ETUDE DE CETTE THESE EST LE TRAITEMENT NUMERIQUE DES SIGNAUX POUR LA COMPRESSION D'IMAGES OU DE SEQUENCES D'IMAGES. L'ORIGINALITE DE CETTE THESE REPOSE SUR L'UTILISATION DE LA NOTION DE SOUS-ECHANTILLONNAGE ADAPTATIF DANS LE DOMAINE DE LA COMPRESSION INTRA-IMAGE ET DANS LE DOMAINE DE L'ESTIMATION ET LA COMPENSATION DU MOUVEMENT INTER-IMAGES. CETTE NOTION NECESSITE LA MANIPULATION DES OUTILS D'INTERPOLATION ET D'APPROXIMATION DE DONNEES IRREGULIEREMENT ECHANTILLONNEES. NOTRE TRAVAIL A DONC D'ABORD CONSISTE A EXPLORER D'UNE PART, LES GRANDES CLASSES METHODOLOGIQUES EN MATIERE D'INTERPOLATION ET D'APPROXIMATION DE DONNEES IRREGULIEREMENT ECHANTILLONNEES ET D'AUTRE PART, LES ALGORITHMES DE SOUS-ECHANTILLONNAGE D'IMAGES NUMERIQUES. A PARTIR DE CE TRAVAIL, NOUS PROPOSONS, A PARTIR DU CHOIX DE METHODES D'INTERPOLATION, PLUSIEURS ALGORITHMES DE SOUS-ECHANTILLONNAGES ET CODAGE D'IMAGES FIXES. NOS RESULTATS SONT COMPARES A CEUX OBTENUS PAR LES STANDARDS ACTUELS DE CODAGE D'IMAGES FIXES. LA SECONDE PARTIE DE NOTRE TRAVAIL INTEGRE LES OUTILS DE SOUS-ECHANTILLONNAGE ET D'INTERPOLATION DANS DES SCHEMAS D'ESTIMATION ET DE COMPENSATION DU MOUVEMENT. PLUSIEURS ALGORITHMES D'ESTIMATION DU MOUVEMENT SONT PROPOSES ET COMPARES AUX METHODES D'ESTIMATION DE MOUVEMENT PAR TREILLIS ACTIF.

Download or read book ALGORITHMES CONCURRENTS POUR LES PROBLEMES DE MISE EN CORRESPONDANCE DANS LES SEQUENCES D IMAGES written by Laurent Gatineau and published by . This book was released on 2000 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: CETTE THESE EXPLORE LES APPORTS POSSIBLES DU PARALLELISME A DEUX TRAITEMENTS FONDAMENTAUX DES SEQUENCES D'IMAGES : LA MISE EN CORRESPONDANCE ET L'ESTIMATION DE MOUVEMENT. UNE PREMIERE PARTIE SITUE LES PROBLEMES DE MISE EN CORRESPONDANCE ET D'ESTIMATION DE MOUVEMENT IMPLIQUES : FACE A LA TRES GRANDE DIVERSITE DES METHODES POUR ABORDER LA QUESTION, ELLE PROPOSE UNE APPROCHE DE CLASSIFICATION EN 3 CATEGORIES : METHODES LOCALES, METHODES MULTIRESOLUTIONS, METHODES STRUCTURELLES. DANS UNE DEUXIEME PARTIE, POUR CHAQUE CLASSE, LES POSSIBILITES ESSENTIELLES DE PARALLELISME SONT EXPLOREES, AINSI QUE LES PROBLEMES ASSOCIES. POUR CERTAINES METHODES, CHOISIES POUR L'INTERET DE LEUR PRINCIPE ET LA QUALITE DE LEURS RESULTATS, DES PARALLELISATIONS SONT PROPOSEES ET EXPERIMENTEES. POUR POUVOIR INVESTIGUER LES PARALLELISATIONS A GRAIN FIN ET AUSSI A GROS GRAIN, DEUX TYPES D'ARCHITECTURES SONT UTILISEES : UNE ARCHITECTURE MASSIVEMENT PARALLELE ET UN RESEAU DE STATIONS DE TRAVAIL. UNE TROISIEME PARTIE PROPOSE DES ELEMENTS DE SYNTHESE, D'ABORD POUR TENTER DE DEGAGER UNE PROBLEMATIQUE COMMUNE AU NIVEAU ALGORITHMIQUE, SANS SE LIER TROP A L'ARCHITECTURE, PUIS POUR PRENDRE EN COMPTE LES QUESTIONS D'OPTIMISATIONS ET D'ADAPTATIONS SPECIFIQUES AUX ARCHITECTURES.

Download or read book Local Approximation Techniques in Signal and Image Processing written by Vladimir I︠A︡kovlevich Katkovnik and published by SPIE-International Society for Optical Engineering. This book was released on 2006 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with a wide class of novel and efficient adaptive signal processing techniques developed to restore signals from noisy and degraded observations. These signals include those acquired from still or video cameras, electron microscopes, radar, X-rays, or ultrasound devices, and are used for various purposes, including entertainment, medical, business, industrial, military, civil, security, and scientific. In many cases useful information and high quality must be extracted from the imaging. However, often raw signals are not directly suitable for this purpose and must be processed in some way. Such processing is called signal reconstruction. This book is devoted to a recent and original approach to signal reconstruction based on combining two independent ideas: local polynomial approximation and the intersection of confidence interval rule.

Download or read book Scale Space Theory in Computer Vision written by Tony Lindeberg and published by Springer Science & Business Media. This book was released on 1993-12-31 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: The problem of scale pervades both the natural sciences and the vi sual arts. The earliest scientific discussions concentrate on visual per ception (much like today!) and occur in Euclid's (c. 300 B. C. ) Optics and Lucretius' (c. 100-55 B. C. ) On the Nature of the Universe. A very clear account in the spirit of modern "scale-space theory" is presented by Boscovitz (in 1758), with wide ranging applications to mathemat ics, physics and geography. Early applications occur in the cartographic problem of "generalization", the central idea being that a map in order to be useful has to be a "generalized" (coarse grained) representation of the actual terrain (Miller and Voskuil 1964). Broadening the scope asks for progressive summarizing. Very much the same problem occurs in the (realistic) artistic rendering of scenes. Artistic generalization has been analyzed in surprising detail by John Ruskin (in his Modern Painters), who even describes some of the more intricate generic "scale-space sin gularities" in detail: Where the ancients considered only the merging of blobs under blurring, Ruskin discusses the case where a blob splits off another one when the resolution is decreased, a case that has given rise to confusion even in the modern literature.

Download or read book Advances in Computer Graphics written by Günter Enderle and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Machine Learning written by Kevin P. Murphy and published by MIT Press. This book was released on 2012-08-24 with total page 1102 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive introduction to machine learning that uses probabilistic models and inference as a unifying approach. Today's Web-enabled deluge of electronic data calls for automated methods of data analysis. Machine learning provides these, developing methods that can automatically detect patterns in data and then use the uncovered patterns to predict future data. This textbook offers a comprehensive and self-contained introduction to the field of machine learning, based on a unified, probabilistic approach. The coverage combines breadth and depth, offering necessary background material on such topics as probability, optimization, and linear algebra as well as discussion of recent developments in the field, including conditional random fields, L1 regularization, and deep learning. The book is written in an informal, accessible style, complete with pseudo-code for the most important algorithms. All topics are copiously illustrated with color images and worked examples drawn from such application domains as biology, text processing, computer vision, and robotics. Rather than providing a cookbook of different heuristic methods, the book stresses a principled model-based approach, often using the language of graphical models to specify models in a concise and intuitive way. Almost all the models described have been implemented in a MATLAB software package—PMTK (probabilistic modeling toolkit)—that is freely available online. The book is suitable for upper-level undergraduates with an introductory-level college math background and beginning graduate students.

Download or read book Ventricular Wall Motion written by Ulrich Sigwart and published by Thieme-Stratton Corporation. This book was released on 1984 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Medical Computer Vision written by Bjoern Menze and published by Springer. This book was released on 2011-02-02 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the thoroughly refereed post-workshop proceedings of the International Workshop on Medical Computer Vision, MCV 2010, held in Beijing, China, in September 2010 as a satellite event of the 13th International Conference on Medical Image Computing and Computer Assisted Intervention, MICCAI 2010. The 10 revised full papers and 11 revised poster papers presented were carefully reviewed and selected from 38 initial submissions. The papers explore the use of modern image recognition technology in tasks such as semantic anatomy parsing, automatic segmentation and quantification, anomaly detection and categorization, data harvesting, semantic navigation and visualization, data organization and clustering, and general-purpose automatic understanding of medical images.

Download or read book Product Life Cycle Management written by Max Giordano and published by John Wiley & Sons. This book was released on 2012-12-17 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a comprehensive view of the most recent major international research in the field of tolerancing, and is an excellent resource for anyone interested in Computer Aided Tolerating. It is organized into 4 parts. Part 1 focuses on the more general problems of tolerance analysis and synthesis, for tolerancing in mechanical design and manufacturing processes. Part 2 specifically highlights the simulation of assembly with defects, and the influence of tolerances on the quality of the assembly. Part 3 deals with measurement aspects, and quality control throughout the life cycle. Different measurement technologies and methods for estimating uncertainty are considered. In Part 4, different aspects of tolerancing and their interactions are explored, from the definition of functional requirement to measurement processes in a PLM approach.

Download or read book Numerical Methods for Partial Differential Equations written by Sandip Mazumder and published by Academic Press. This book was released on 2015-12-01 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical Methods for Partial Differential Equations: Finite Difference and Finite Volume Methods focuses on two popular deterministic methods for solving partial differential equations (PDEs), namely finite difference and finite volume methods. The solution of PDEs can be very challenging, depending on the type of equation, the number of independent variables, the boundary, and initial conditions, and other factors. These two methods have been traditionally used to solve problems involving fluid flow. For practical reasons, the finite element method, used more often for solving problems in solid mechanics, and covered extensively in various other texts, has been excluded. The book is intended for beginning graduate students and early career professionals, although advanced undergraduate students may find it equally useful. The material is meant to serve as a prerequisite for students who might go on to take additional courses in computational mechanics, computational fluid dynamics, or computational electromagnetics. The notations, language, and technical jargon used in the book can be easily understood by scientists and engineers who may not have had graduate-level applied mathematics or computer science courses. - Presents one of the few available resources that comprehensively describes and demonstrates the finite volume method for unstructured mesh used frequently by practicing code developers in industry - Includes step-by-step algorithms and code snippets in each chapter that enables the reader to make the transition from equations on the page to working codes - Includes 51 worked out examples that comprehensively demonstrate important mathematical steps, algorithms, and coding practices required to numerically solve PDEs, as well as how to interpret the results from both physical and mathematic perspectives

Download or read book CIKM 13 written by CIKM 13 Conference Committee and published by . This book was released on 2013-10-27 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt: CIKM'13: 22nd ACM International Conference on Information and Knowledge Management Oct 27, 2013-Nov 01, 2013 San Francisco, USA. You can view more information about this proceeding and all of ACM�s other published conference proceedings from the ACM Digital Library: http://www.acm.org/dl.

Download or read book Predicting Structured Data written by Neural Information Processing Systems Foundation and published by MIT Press. This book was released on 2007 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: State-of-the-art algorithms and theory in a novel domain of machine learning, prediction when the output has structure.