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Synthese De Vues Pour Linitialisation De Pose
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Book Synopsis Synthèse de vues pour l'initialisation de pose by : Pierre Rolin
Download or read book Synthèse de vues pour l'initialisation de pose written by Pierre Rolin and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: La localisation est un problème récurrent de la vision par ordinateur, avec des applications dans des domaines multiples tels que la robotique ou la réalité augmentée. Dans cette thèse on considère en particulier le problème d'initialisation de la pose, c'est-à-dire la localisation sans information a priori sur la position de la caméra. Nous nous intéressons à la localisation à partir d'une image monoculaire et d'un nuage de points reconstruit à partir d'une séquence d'images. Puisque nous n'avons pas d'a priori sur la position de la caméra, l'estimation de la pose s'appuie sur la recherche de correspondances entre des points de l'image et des points du modèle de la scène. Cette mise en correspondance est difficile en raison de sa combinatoire élevée. Elle peut être mise en défaut lorsque l'image dont on cherche la pose est très différente de celles ayant servi à la construction du modèle, en particulier en présence de forts changements de point de vue. Cette thèse développe une approche permettant la mise en correspondance image-modèle dans ces situations complexes. Elle consiste à synthétiser localement l'apparence de la scène à partir de points de vue virtuels puis à ajouter au modèle des descripteurs extraits des images synthétisées. Comme le modèle de scène est un nuage de points, la synthèse n'est pas faite par rendu 3D mais utilise des transformations 2D locales des observations connues de la scène. Les contributions suivantes sont apportées. Nous étudions différents modèles de transformation possibles et montrons que la synthèse par homographie est la plus adaptée pour ce type d'application. Nous définissons une méthode de positionnement des points de vue virtuels par rapport à une segmentation de la scène en patchs plans. Nous assurons l'efficacité de l'approche proposée en ne synthétisant que des vues utiles : elles sont éloignées de celles existantes et elles ne se recouvrent pas. Nous vérifions également que la scène est visible à partir des points des vue virtuels pour ne pas produire des vues aberrantes à cause d'occultations. Enfin, nous proposons une méthode de recherche de correspondances image-modèle qui est à la fois rapide et robuste. Cette méthode exploite la répartition non-uniforme des correspondances correctes dans le modèle, ce qui permet de guider leur recherche. Les résultats expérimentaux montrent que la méthode proposée permet de calculer des poses dans des configurations défavorables où les approches standard échouent. De façon générale la précision des poses obtenues augmente significativement lorsque la synthèse de vue est utilisée. Enfin nous montrons que, en facilitant la mise en correspondance image-modèle, cette méthode accélère le calcul de pose.
Author :International Association of Science and Technology for Development Publisher :Anaheim, Calif. ; Calgary : ACTA Press ISBN 13 : Total Pages :182 pages Book Rating :4.F/5 ( download)
Book Synopsis Applied Digital Filtering by : International Association of Science and Technology for Development
Download or read book Applied Digital Filtering written by International Association of Science and Technology for Development and published by Anaheim, Calif. ; Calgary : ACTA Press. This book was released on 1985 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Beyond 2000 in Computational Geotechnics by : Ronald B.J. Brinkgreve
Download or read book Beyond 2000 in Computational Geotechnics written by Ronald B.J. Brinkgreve and published by Routledge. This book was released on 2019-01-22 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains papers presented during the first international PLAXIS symposium. Topics covered include: general geo-technical aspects; tunnels and deep excavations, and education and research. This pack is meant for the user of the PLAXIS program, as well as engineers and researchers.
Book Synopsis Ventricular Wall Motion by : Ulrich Sigwart
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:
Author :Vladimir I︠A︡kovlevich Katkovnik Publisher :SPIE-International Society for Optical Engineering ISBN 13 : Total Pages :584 pages Book Rating :4.3/5 (91 download)
Book Synopsis Local Approximation Techniques in Signal and Image Processing by : Vladimir I︠A︡kovlevich Katkovnik
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.
Book Synopsis Product Life-Cycle Management by : Max Giordano
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 Geosimulation written by Itzhak Benenson and published by John Wiley & Sons. This book was released on 2004-08-20 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geosimulation is hailed as ‘the next big thing’ in geographic modelling for urban studies. This book presents readers with an overview of this new and innovative field by introducing the spatial modelling environment and describing the latest research and development using cellular automata and multi-agent systems. Extensive case studies and working code is available from an associated website which demonstrate the technicalities of geosimulation, and provide readers with the tools to carry out their own modelling and testing. The first book to treat urban geosimulation explicitly, integrating socio-economic and environmental modelling approaches Provides the reader with a sound theoretical base in the science of geosimulation as well as applied material on the construction of geosimulation models Cross-references to an author-maintained associated website with downloadable working code for readers to apply the models presented in the book Visit the Author's Website for further information on Geosimulation, Geographic Automata Systems and Geographic Automata Software http://www.geosimulationbook.com
Author :Neural Information Processing Systems Foundation Publisher :MIT Press ISBN 13 :0262026171 Total Pages :361 pages Book Rating :4.2/5 (62 download)
Book Synopsis Predicting Structured Data by : Neural Information Processing Systems Foundation
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.
Book Synopsis Satellite Situation Report by : Goddard Space Flight Center. Office of Public Affairs
Download or read book Satellite Situation Report written by Goddard Space Flight Center. Office of Public Affairs and published by . This book was released on 1977 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :John Henry Lorentz Publisher :Historical Dictionaries of Asia, Oceania, and the Middle East ISBN 13 : Total Pages :570 pages Book Rating :4.F/5 ( download)
Book Synopsis Historical Dictionary of Iran by : John Henry Lorentz
Download or read book Historical Dictionary of Iran written by John Henry Lorentz and published by Historical Dictionaries of Asia, Oceania, and the Middle East. This book was released on 2007 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides an overview of specific events, movements, people, political and social groups, places, trends, and chronology. Allows for considerable exploration of a number of historical and contemporary topics and issues. The modern period, defined as 1800-present, is covered extensively.
Book Synopsis An Introduction to Computational Learning Theory by : Michael J. Kearns
Download or read book An Introduction to Computational Learning Theory written by Michael J. Kearns and published by MIT Press. This book was released on 1994-08-15 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emphasizing issues of computational efficiency, Michael Kearns and Umesh Vazirani introduce a number of central topics in computational learning theory for researchers and students in artificial intelligence, neural networks, theoretical computer science, and statistics. Emphasizing issues of computational efficiency, Michael Kearns and Umesh Vazirani introduce a number of central topics in computational learning theory for researchers and students in artificial intelligence, neural networks, theoretical computer science, and statistics. Computational learning theory is a new and rapidly expanding area of research that examines formal models of induction with the goals of discovering the common methods underlying efficient learning algorithms and identifying the computational impediments to learning. Each topic in the book has been chosen to elucidate a general principle, which is explored in a precise formal setting. Intuition has been emphasized in the presentation to make the material accessible to the nontheoretician while still providing precise arguments for the specialist. This balance is the result of new proofs of established theorems, and new presentations of the standard proofs. The topics covered include the motivation, definitions, and fundamental results, both positive and negative, for the widely studied L. G. Valiant model of Probably Approximately Correct Learning; Occam's Razor, which formalizes a relationship between learning and data compression; the Vapnik-Chervonenkis dimension; the equivalence of weak and strong learning; efficient learning in the presence of noise by the method of statistical queries; relationships between learning and cryptography, and the resulting computational limitations on efficient learning; reducibility between learning problems; and algorithms for learning finite automata from active experimentation.
Book Synopsis The Nature of Statistical Learning Theory by : Vladimir Vapnik
Download or read book The Nature of Statistical Learning Theory written by Vladimir Vapnik and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to discuss the fundamental ideas which lie behind the statistical theory of learning and generalization. It considers learning as a general problem of function estimation based on empirical data. Omitting proofs and technical details, the author concentrates on discussing the main results of learning theory and their connections to fundamental problems in statistics. This second edition contains three new chapters devoted to further development of the learning theory and SVM techniques. Written in a readable and concise style, the book is intended for statisticians, mathematicians, physicists, and computer scientists.
Book Synopsis Pain in Infants, Children, and Adolescents by : Neil L. Schechter
Download or read book Pain in Infants, Children, and Adolescents written by Neil L. Schechter and published by Lippincott Williams & Wilkins. This book was released on 2003 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Second Edition is a significant revision of the leading text and clinical reference on pediatric pain. Written by an international group of experts from all relevant disciplines, this new edition is a vital reference for all pain practitioners, and for nurses, psychologists, PTs, anesthesiologists, and pediatricians dealing with acute and chronic pediatric pain. This edition includes new and expanded information on NSAIDs, opioids, and regional anesthesia. New chapters cover sedation, pain in the ICU, multidisciplinary pain services, palliative care, and the long-term consequences of pain. User-friendly new features include many more illustrations of techniques.
Book Synopsis Generalisation of Geographic Information by : William A. Mackaness
Download or read book Generalisation of Geographic Information written by William A. Mackaness and published by Elsevier. This book was released on 2011-07-28 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theoretical and Applied Solutions in Multi Scale Mapping Users have come to expect instant access to up-to-date geographical information, with global coverage--presented at widely varying levels of detail, as digital and paper products; customisable data that can readily combined with other geographic information. These requirements present an immense challenge to those supporting the delivery of such services (National Mapping Agencies (NMA), Government Departments, and private business. Generalisation of Geographic Information: Cartographic Modelling and Applications provides detailed review of state of the art technologies associated with these challenges, including the most recent developments in cartometric analysis techniques able to support high levels of automation among multi scale derivation techniques. The book illustrates the application of these ideas within existing and emerging technologies. In addition to providing a comprehensive theoretical underpinning, the book demonstrates how theoretical developments have translated into commercial systems deployed within NMAs. The book explores relevance of open systems in support of collaborative research and open source web based map services. State of the art review on multi scale representation techniques Detailed consideration of database requirements and object modeling in support of emerging applications (3D, mobile) and innovative delivery (map generalisation services) Illustration through existing map production environment implementations Consolidated bibliography (680 entries), 200 illustrations, author and subject index
Book Synopsis Principles of Radar and Sonar Signal Processing by : Chevalier François Le
Download or read book Principles of Radar and Sonar Signal Processing written by Chevalier François Le and published by Artech House. This book was released on 2002 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Web Cartography by : Jan-Menno Kraak
Download or read book Web Cartography written by Jan-Menno Kraak and published by CRC Press. This book was released on 2003-09-02 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maps and atlases are created as soon as information on our geography has been clarified. They are used to find directions or to get insight into spatial relations. They are produced and used both on paper as well as on-screen. The Web is the new medium for spreading and using maps. This book explains the benefits of this medium from the perspective of the user, and the map provider. Opportunities and pitfalls are illustrated by a set of case-studies. A website accompanies the book and provides a dynamic environment for demonstrating many of the principles set out in the text, including access to a basic course in Internet cartography as well as links to other interesting places on the Web. Professor Kraak looks at basic questions such as "I have this data what can I do with it?" and discusses the various functions of maps on the web. Web Cartography also looks at the particularities of multidimensional web maps and addresses topics such as map contents (colour, text and symbols), map physics (size and resolution), and the map environment (interface design/site contents).
Book Synopsis Nuclear Power Plant Control and Instrumentation - 1982 by : International Atomic Energy Agency
Download or read book Nuclear Power Plant Control and Instrumentation - 1982 written by International Atomic Energy Agency and published by . This book was released on 1983 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
