Download or read book Programmation Dynamique Et Traitement D images Sur Machines Parall les M moire Distribu e written by Serge Miguet and published by . This book was released on 1990 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nous étudions la mise en œuvre d'algorithmes parallèles sur des ordinateurs a mémoire distribuée. A travers plusieurs exemples issus de la programmation dynamique, de l'algèbre linéaire et du traitement d'images, nous exposons les problèmes lies a la programmation de ces machines: topologie d'interconnexion, stratégie d'allocation des données, équilibrage des calculs et minimisation du volume de communication inter-processeurs. Les exemples étudiés sont pour la plupart des algorithmes séquentiels couteux en temps de calcul et en place mémoire, et pour lesquels il est très intéressant d'avoir une parallélisation efficace. Nous avons choisi des problèmes dont l'implémentation sur des machines a mémoire distribuée n'est pas aisée, essentiellement a cause de la grande interdépendance entre les différentes taches composant les algorithmes

Download or read book ALGORITHMES D AMINCISSEMENT D IMAGES SUR MACHINES PARALLELES written by Stéphane Ubéda and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: LE THEME DE CE MEMOIRE EST L'ETUDE DE LA PARALLELISATION D'ALGORITHMES DE TRAITEMENT D'IMAGES. UNE OPERATION PARTICULIERE DU TRAITEMENT D'IMAGES EST RETENUE ET ETUDIEE EN DETAIL. LES ALGORITHMES EXISTANTS SONT COMPARES ET ANALYSES. L'ETUDE DE CETTE OPERATION EST ENSUITE REPRISE SOUS L'ANGLE DU PARALLELISME. LA PROCEDURE RETENUE EST CELLE D'AMINCISSEMENT D'IMAGE (OU THINNING). CETTE OPERATION EST BASEE SUR LA DEFINITION D'UN DESCRIPTEUR DE FORME DONNEE PAR H. BLUM EN 64. NOUS ABORDONS CE SUJET PAR LE BIAIS DE L'ALGORITHMIQUE PARALLELE. LA PROGRAMMATION DE MACHINES PARALLELES A MEMOIRE DISTRIBUEE ET A USAGE GENERAL EST NOTRE MODELE DE REFERENCE. DE NOUVEAUX OUTILS DE PARALLELISATION, AINSI QUE DE NOUVEAUX ALGORITHMES PARALLELES SONT PROPOSES. UNE ETUDE DE LA COMPLEXITE SEQUENTIELLE ET PARALLELE DU PROBLEME EST PROPOSEE

Download or read book Optimisation multi niveau d une application de traitement d images sur machines parall les written by Tarik Saidani and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cette thèse vise à définir une méthodologie de mise en œuvre d'applications performantes sur les processeurs embarqués du futur. Ces architectures nécessitent notamment d'exploiter au mieux les différents niveaux de parallélisme (grain fin, gros grain) et de gérer les communications et les accès à la mémoire. Pour étudier cette méthodologie, nous avons utilisé un processeur cible représentatif de ces architectures émergentes, le processeur CELL. Le détecteurde points d'intérêt de Harris est un exemple de traitement régulier nécessitant des unités de calcul intensif. En étudiant plusieurs schémas de mise en oeuvre sur le processeur CELL, nous avons ainsi pu mettre en évidence des méthodes d'optimisation des calculs en adaptant les programmes aux unités spécifiques de traitement SIMD du processeur CELL. L'utilisation efficace de la mémoire nécessite par ailleurs, à la fois une bonne exploitation des transferts et un arrangement optimal des données en mémoire. Nous avons développé un outil d'abstraction permettant de simplifier et d'automatiser les transferts et la synchronisation, CELL MPI. Cette expertise nous a permis de développer une méthodologie permettant de simplifier la mise en oeuvre parallèle optimisée de ces algorithmes. Nous avons ainsi conçu un outil de programmation parallèle à base de squelettes algorithmiques : SKELL BE. Ce modèle de programmation propose une solution originale de génération d'applications à base de métaprogrammation. Il permet, de manière automatisée, d'obtenir de très bonnes performances et de permettre une utilisation efficace de l'architecture, comme le montre la comparaison pour un ensemble de programmes test avec plusieurs autres outils dédiés à ce processeur.

Download or read book VERS UN ENVIRONNEMENT D IMPLANTATION AUTOMATIQUE D APPLICATIONS DU TRAITEMENT D IMAGES SUR DES MACHINES PARALLELES written by SYLVAIN.. CARTIER and published by . This book was released on 1996 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'IMAGE EST UNE SOURCE D'INFORMATION TRES RICHE QUI DEMANDE, POUR SON TRAITEMENT, DE PUISSANTS MOYENS INFORMATIQUES TANT SUR LE PLAN MATERIEL QUE LOGICIEL. LES ARCHITECTURES PARALLELES SONT DES OUTILS CAPABLES D'APPORTER LA PUISSANCE DE CALCUL ET LA CAPACITE MEMOIRE NECESSAIRE A CES TRAITEMENTS. CEPENDANT, LA DIVERSITE DES ARCHITECTURES PARALLELES IMPLIQUE UNE IMPLANTATION ET UNE OPTIMISATION SPECIFIQUE A CHACUNE D'ELLES AFIN D'EXPLOITER LEURS CARACTERISTIQUES ET LEURS PERFORMANCES. NOUS ILLUSTRONS CES PROBLEMES SUR L'EXEMPLE DE L'IMPLANTATION D'UN ALGORITHME DE SEGMENTATION D'IMAGES PAR CROISSANCE DE REGIONS SUR DIFFERENTES MACHINES PARALLELES. POUR PERMETTRE AUX APPLICATIONS DE SUIVRE L'EVOLUTION DES ARCHITECTURES, NOUS PROPOSONS UNE METHODOLOGIE D'IMPLANTATION DES ALGORITHMES DE TRAITEMENT D'IMAGES QUI DOIT PERMETTRE L'ADAPTATION AUTOMATIQUE DE L'IMPLANTATION SUR UNE ARCHITECTURE DONNEE: A HAUT NIVEAU, LES ALGORITHMES SONT EXPRIMES SOUS LA FORME D'UN GRAPHE FLOT DE DONNEES DONT LES NUDS SONT DES FONCTIONS DU TRAITEMENT D'IMAGES ; LE GRAPHE FLOT DE DONNEES EST ETENDU EN UN GRAPHE OU DANS LEQUEL IL DEVIENT POSSIBLE D'EXPRIMER DIFFERENTES IMPLANTATIONS D'UN MEME ALGORITHME ; LES NUDS DU GRAPHE OU, APPELES OPERATEURS, SONT LES FONCTIONS ELEMENTAIRES (NON DECOMPOSABLES) DU TRAITEMENT D'IMAGES. CES FONCTIONS SONT IMPLANTEES SUR DES ARCHITECTURES VIRTUELLES. LES ARCHITECTURES VIRTUELLES SONT DEFINIES A LA FOIS PAR RAPPORT AUX ARCHITECTURES REELLES EXISTANTES ET POUR PRENDRE EN COMPTE LES BESOINS ALGORITHMIQUES DES APPLICATIONS ; LES ARCHITECTURES VIRTUELLES SONT MISES EN CORRESPONDANCE AVEC LA MACHINE CIBLE AU MOYEN D'UN COMPILATEUR. POUR OPTIMISER L'IMPLANTATION DES APPLICATIONS, NOUS DEFINISSONS UNE FONCTION DE COUT POUR CHAQUE OPERATEUR DE TRAITEMENT D'IMAGES. CETTE FONCTION DE COUT EST CONSTRUITE SUR LES ELEMENTS DE CARACTERISATION DES ARCHITECTURES PAR LA MODELISATION DES OPERATIONS QUI PEUVENT ETRE EXECUTEES. LA FONCTION DE COUT RETOURNE UNE EVALUATION DU TEMPS D'EXECUTION D'UN OPERATEUR SUR UNE ARCHITECTURE DONNEE. ELLE PERMETTRA DE RETENIR UN CHEMIN DANS LE GRAPHE OU QUI CORRESPOND A L'IMPLANTATION LA MIEUX ADAPTEE A LA MACHINE CIBLE. POUR CONCLURE, NOUS APPLIQUONS CETTE METHODOLOGIE SUR L'ALGORITHME DE SEGMENTATION PAR CROISSANCE DE REGIONS

Download or read book Government Reports Announcements Index written by and published by . This book was released on 1993 with total page 1528 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Government Reports Annual Index written by and published by . This book was released on 1993 with total page 1452 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Medical Image Computing and Computer Assisted Intervention MICCAI 2012 written by Nicholas Ayache and published by Springer. This book was released on 2012-08-28 with total page 645 pages. Available in PDF, EPUB and Kindle. Book excerpt: The three-volume set LNCS 7510, 7511, and 7512 constitutes the refereed proceedings of the 15th International Conference on Medical Image Computing and Computer-Assisted Intervention, MICCAI 2012, held in Nice, France, in October 2012. Based on rigorous peer reviews, the program committee carefully selected 252 revised papers from 781 submissions for presentation in three volumes. The third volume includes 79 papers organized in topical sections on diffusion imaging: from acquisition to tractography; image acquisition, segmentation and recognition; image registration; neuroimage analysis; analysis of microscopic and optical images; image segmentation; diffusion weighted imaging; computer-aided diagnosis and planning; and microscopic image analysis.

Download or read book Terra 2008 written by Leslie Rainer and published by Getty Publications. This book was released on 2011-06-14 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earthen architecture constitutes one of the most diverse forms of cultural heritage and one of the most challenging to preserve. It dates from all periods and is found on all continents but is particularly prevalent in Africa, where it has been a building tradition for centuries. Sites range from ancestral cities in Mali to the palaces of Abomey in Benin, from monuments and mosques in Iran and Buddhist temples on the Silk Road to Spanish missions in California. This volume's sixty-four papers address such themes as earthen architecture in Mali, the conservation of living sites, local knowledge systems and intangible aspects, seismic and other natural forces, the conservation and management of archaeological sites, research advances, and training.

Download or read book Quantum Mechanics Volume 3 written by Claude Cohen-Tannoudji and published by John Wiley & Sons. This book was released on 2019-12-16 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new, third volume of Cohen-Tannoudji's groundbreaking textbook covers advanced topics of quantum mechanics such as uncorrelated and correlated identical particles, the quantum theory of the electromagnetic field, absorption, emission and scattering of photons by atoms, and quantum entanglement. Written in a didactically unrivalled manner, the textbook explains the fundamental concepts in seven chapters which are elaborated in accompanying complements that provide more detailed discussions, examples and applications. * Completing the success story: the third and final volume of the quantum mechanics textbook written by 1997 Nobel laureate Claude Cohen-Tannoudji and his colleagues Bernard Diu and Franck Laloë * As easily comprehensible as possible: all steps of the physical background and its mathematical representation are spelled out explicitly * Comprehensive: in addition to the fundamentals themselves, the books comes with a wealth of elaborately explained examples and applications Claude Cohen-Tannoudji was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris where he also studied and received his PhD in 1962. In 1973 he became Professor of atomic and molecular physics at the Collège des France. His main research interests were optical pumping, quantum optics and atom-photon interactions. In 1997, Claude Cohen-Tannoudji, together with Steven Chu and William D. Phillips, was awarded the Nobel Prize in Physics for his research on laser cooling and trapping of neutral atoms. Bernard Diu was Professor at the Denis Diderot University (Paris VII). He was engaged in research at the Laboratory of Theoretical Physics and High Energy where his focus was on strong interactions physics and statistical mechanics. Franck Laloë was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris. His first assignment was with the University of Paris VI before he was appointed to the CNRS, the French National Research Center. His research was focused on optical pumping, statistical mechanics of quantum gases, musical acoustics and the foundations of quantum mechanics.

Download or read book Medical image computing and computer assisted intervention written by Nicholas Ayache and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Alienation and Freedom written by Frantz Fanon and published by Bloomsbury Publishing. This book was released on 2018-04-19 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the publication of The Wretched of the Earth in 1961, Fanon's work has been deeply significant for generations of intellectuals and activists from the 60s to the present day. Alienation and Freedom collects together unpublished works comprising around half of his entire output – which were previously inaccessible or thought to be lost. This book introduces audiences to a new Fanon, a more personal Fanon and one whose literary and psychiatric works, in particular, take centre stage. These writings provide new depth and complexity to our understanding of Fanon's entire oeuvre revealing more of his powerful thinking about identity, race and activism which remain remarkably prescient. Shedding new light on the work of a major 20th-century philosopher, this disruptive and moving work will shape how we look at the world.

Download or read book Simulacra and Simulation written by Jean Baudrillard and published by University of Michigan Press. This book was released on 1994 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Develops a theory of contemporary culture that relies on displacing economic notions of cultural production with notions of cultural expenditure. This book represents an effort to rethink cultural theory from the perspective of a concept of cultural materialism, one that radically redefines postmodern formulations of the body.

Download or read book Space Systems as Contributors to the NATO Defence Mission written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Mission Systems Panel. Symposium and published by . This book was released on 1997 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Efficient R Programming written by Colin Gillespie and published by "O'Reilly Media, Inc.". This book was released on 2016-12-08 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are many excellent R resources for visualization, data science, and package development. Hundreds of scattered vignettes, web pages, and forums explain how to use R in particular domains. But little has been written on how to simply make R work effectively—until now. This hands-on book teaches novices and experienced R users how to write efficient R code. Drawing on years of experience teaching R courses, authors Colin Gillespie and Robin Lovelace provide practical advice on a range of topics—from optimizing the set-up of RStudio to leveraging C++—that make this book a useful addition to any R user’s bookshelf. Academics, business users, and programmers from a wide range of backgrounds stand to benefit from the guidance in Efficient R Programming. Get advice for setting up an R programming environment Explore general programming concepts and R coding techniques Understand the ingredients of an efficient R workflow Learn how to efficiently read and write data in R Dive into data carpentry—the vital skill for cleaning raw data Optimize your code with profiling, standard tricks, and other methods Determine your hardware capabilities for handling R computation Maximize the benefits of collaborative R programming Accelerate your transition from R hacker to R programmer

Download or read book Water Heritage written by Willem Willems and published by . This book was released on 2017-01-15 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water is vital for life, and its availability has been a concern for mankind throughout the ages. Its presence has always been ascertained in a variety of ways and the development of human society everywhere is connected with various forms of water management. Man also needed to manage water to find protection from its dangers and the need for that is increasing. In the coming decades, the impact of climate change is expected to intensify floods and droughts, affect groundwater resources, raise sea levels, increase pollution and enhance the frequency and magnitude of disasters. Societies around the world are challenged to adapt to these threats to ensure water security, economic prosperity and environmental and cultural sustainability. This book deals with the heritage of water management and the use that was made of water, as well as the impact of water management on heritage. An example of the former may be an ancient irrigation system in the Filipines or in the Middle East that still functions today, while the latter may reflect the importance of maintaining groundwater levels for the preservation of organic remains on archaeological sites or of wooden piles underneath standing buildings. In either case the papers in this book reflect the dynamic nature of water, and hence the equally dynamic relation between water management and heritage. This publication follows up on a Heritage and Water conference in Amsterdam, the first of its kind. Its main purpose is to credibly present the importance and value of heritage and historical experience for water and sustainable development, and vice versa, present the importance of water management for the protection of heritage. It presents evolving insights and concepts about Water and about Heritage from a variety of disciplines, policy and public perspectives illustrated with cases studies and aims to connect decision makers with experts such as engineers, archaeologists, historians, geographers, ecologist and landscape architects

Download or read book The Aesthetics of Movement written by Camilla Damkjær and published by . This book was released on 2005 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book GNU Emacs LISP Reference Manual written by Bil Lewis and published by AAA Techne. This book was released on 2015-05-27 with total page 1104 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a high-quality, hardbound edition of the official GNU Emacs Lisp Reference Manual, from the current Emacs Version 24.5 distribution. It is printed on acid free and lignin free paper, that meets all ANSI standards for archival quality paper. *** The GNU Emacs Lisp Reference Manual is also available for free within GNU Emacs itself, via the help system, or online. Professional users may find this hardbound edition convenient for frequent consultation, and an excellent copy for desktop reference. *** For each copy of this manual sold, 10% of its gross sale revenue is donated to the Free Software Foundation (FSF).