Méthodes par ensembles de niveaux et modes conditionnels itérés pour la segmentation vidéo PDF Download
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Author: Florent Ranchin
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Cette thèse est consacrée à l'étude d'un problème de vision par ordinateur et de deux problèmes de vidéo surveillance. Nous proposons une méthode de détection d'objets en mouvement dans une séquence vidéo basée sur une détermination préalable du mouvement apparent et sur un problème d'optimisation de forme. Pour d'autres modèles de détection et de suivi d'objets en mouvement, nous proposons d'appliquer l'algorithme discret des modes conditionnels itérés réputé très rapide et qui permet de réduire le temps de calcul des algorithmes continus lorsqu'il leur est combiné. En vidéo surveillance, on cherche d'une part à estimer la densité d'une foule et d'autre part à détecter des comportements anormaux dans l'environnement du métro parisien. Nous proposons une estimation de la densité d'une foule basée sur un calcul de courbure sur l'image. La détection de comportements anormaux s'effectue par une recherche des modes dans l'histogramme des directions du mouvement apparent.
Author: Florent Ranchin
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Cette thèse est consacrée à l'étude d'un problème de vision par ordinateur et de deux problèmes de vidéo surveillance. Nous proposons une méthode de détection d'objets en mouvement dans une séquence vidéo basée sur une détermination préalable du mouvement apparent et sur un problème d'optimisation de forme. Pour d'autres modèles de détection et de suivi d'objets en mouvement, nous proposons d'appliquer l'algorithme discret des modes conditionnels itérés réputé très rapide et qui permet de réduire le temps de calcul des algorithmes continus lorsqu'il leur est combiné. En vidéo surveillance, on cherche d'une part à estimer la densité d'une foule et d'autre part à détecter des comportements anormaux dans l'environnement du métro parisien. Nous proposons une estimation de la densité d'une foule basée sur un calcul de courbure sur l'image. La détection de comportements anormaux s'effectue par une recherche des modes dans l'histogramme des directions du mouvement apparent.
Author: Annikki Liimatainen
Publisher: Frank & Timme GmbH
ISBN: 3732902951
Category : Language Arts & Disciplines
Languages : en
Pages : 398
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Book Description
This multidisciplinary volume offers a systematic analysis of translation and interpreting as a means of guaranteeing equality under the law as well as global perspectives in legal translation and interpreting contexts. It offers insights into new research on • language policies and linguistic rights in multilingual communities • the role of the interpreter • accreditation of legal translators and interpreters • translator and interpreter education in multiple countries and • approaches to terms and tools for legal settings. The authors explore familiar problems with a view to developing new approaches to language justice by learning from researchers, trainers, practitioners and policy makers. By offering multiple methods and perspectives covering diverse contexts (e.g. in Austria, Belgium, England, Estonia, Finland, France, Germany, Hong Kong, Ireland, Norway, Poland), this volume is a welcome contribution to legal translation and interpreting studies scholars and practitioners alike, highlighting settings that have received limited attention, such as the linguistic rights of vulnerable populations, as well as practical solutions to methodological and terminological problems.
Author: Yaakov Bar-Shalom
Publisher: John Wiley & Sons
ISBN: 0471465216
Category : Technology & Engineering
Languages : en
Pages : 583
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Book Description
Expert coverage of the design and implementation of state estimation algorithms for tracking and navigation Estimation with Applications to Tracking and Navigation treats the estimation of various quantities from inherently inaccurate remote observations. It explains state estimator design using a balanced combination of linear systems, probability, and statistics. The authors provide a review of the necessary background mathematical techniques and offer an overview of the basic concepts in estimation. They then provide detailed treatments of all the major issues in estimation with a focus on applying these techniques to real systems. Other features include: * Problems that apply theoretical material to real-world applications * In-depth coverage of the Interacting Multiple Model (IMM) estimator * Companion DynaEst(TM) software for MATLAB(TM) implementation of Kalman filters and IMM estimators * Design guidelines for tracking filters Suitable for graduate engineering students and engineers working in remote sensors and tracking, Estimation with Applications to Tracking and Navigation provides expert coverage of this important area.
Author: F. P. Agterberg
Publisher: Energy, Mines and Resources Canada
ISBN: 9780660135922
Category : Science
Languages : en
Pages : 616
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Book Description
Collection of papers presented at the Colloquium, covering the broad subject areas of spatial data integration, statistical analysis of geoscience data, and quantitative stratigraphy. Working Group reports are included as well.
Author: D. Curtis Schleher
Publisher: Artech House Publishers
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 518
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Book Description
Author: C. F. L'Homond
Publisher:
ISBN:
Category : French language
Languages : fr
Pages : 230
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Book Description
Author: Lucien Tesnière
Publisher: John Benjamins Publishing Company
ISBN: 9027269998
Category : Language Arts & Disciplines
Languages : en
Pages : 782
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Book Description
This volume appears now finally in English, sixty years after the death of its author, Lucien Tesnière. It has been translated from the French original into German, Spanish, Italian, and Russian, and now at long last into English as well. The volume contains a comprehensive approach to the syntax of natural languages, an approach that is foundational for an entire stream in the modern study of syntax and grammar. This stream is known today as dependency grammar (DG). Drawing examples from dozens of languages, many of which he was proficient in, Tesnière presents insightful analyses of numerous phenomena of syntax. Among the highlights are the concepts of valency and head-initial vs. head-final languages. These concepts are now taken for granted by most modern theories of syntax, even by phrase structure grammars, which represent, in a sense, the opposite sort of approach to syntax from what Tesnière was advocating. Now Open Access as part of the Knowledge Unlatched 2017 Backlist Collection.
Author: Érik Bordeleau
Publisher:
ISBN: 9781785420405
Category : Motion pictures
Languages : en
Pages : 270
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Book Description
This collective project by Erik Bordeleau, Toni Pape, Ronald Rose-Antoinette and Adam Szymanski is not simply 'about' Apichatpong Weerasethakul, though it does engage his work in detail. It is a book that deeply questions what else might be at stake in setting up the conditions for collaboration across two genres - cinema and writing.
Author: Herbert H. Clark
Publisher: Houghton Mifflin Harcourt P
ISBN:
Category : Language Arts & Disciplines
Languages : en
Pages : 632
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Book Description
Author: Paolo Prandoni
Publisher: Collection Savoir suisse
ISBN: 2940222207
Category : Signal processing
Languages : en
Pages : 392
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Book Description
With a novel, less classical approach to the subject, the authors have written a book with the conviction that signal processing should be taught to be fun. The treatment is therefore less focused on the mathematics and more on the conceptual aspects, the idea being to allow the readers to think about the subject at a higher conceptual level, thus building the foundations for more advanced topics. The book remains an engineering text, with the goal of helping students solve real-world problems. In this vein, the last chapter pulls together the individual topics as discussed throughout the book into an in-depth look at the development of an end-to-end communication system, namely, a modem for communicating digital information over an analog channel.
