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From Gestalt Theory to Image Analysis - A Probabilistic Approach (Hardcover, 2008 ed.): Agnes Desolneux, Lionel Moisan,... From Gestalt Theory to Image Analysis - A Probabilistic Approach (Hardcover, 2008 ed.)
Agnes Desolneux, Lionel Moisan, Jean-Michel Morel
R1,498 Discovery Miles 14 980 Ships in 10 - 15 working days

This book introduces a new theory in Computer Vision yielding elementary techniques to analyze digital images. These techniques are a mathematical formalization of the Gestalt theory. From the mathematical viewpoint the closest field to it is stochastic geometry, involving basic probability and statistics, in the context of image analysis. The book is mathematically self-contained, needing only basic understanding of probability and calculus. The text includes more than 130 illustrations, and numerous examples based on specific images on which the theory is tested. Detailed exercises at the end of each chapter help the reader develop a firm understanding of the concepts imparted.

Variational Methods in Image Segmentation - with seven image processing experiments (Paperback, Softcover reprint of the... Variational Methods in Image Segmentation - with seven image processing experiments (Paperback, Softcover reprint of the original 1st ed. 1995)
Jean-Michel Morel, Sergio Solimini
R1,460 Discovery Miles 14 600 Ships in 10 - 15 working days

This book contains both a synthesis and mathematical analysis of a wide set of algorithms and theories whose aim is the automatic segmen tation of digital images as well as the understanding of visual perception. A common formalism for these theories and algorithms is obtained in a variational form. Thank to this formalization, mathematical questions about the soundness of algorithms can be raised and answered. Perception theory has to deal with the complex interaction between regions and "edges" (or boundaries) in an image: in the variational seg mentation energies, "edge" terms compete with "region" terms in a way which is supposed to impose regularity on both regions and boundaries. This fact was an experimental guess in perception phenomenology and computer vision until it was proposed as a mathematical conjecture by Mumford and Shah. The third part of the book presents a unified presentation of the evi dences in favour of the conjecture. It is proved that the competition of one-dimensional and two-dimensional energy terms in a variational for mulation cannot create fractal-like behaviour for the edges. The proof of regularity for the edges of a segmentation constantly involves con cepts from geometric measure theory, which proves to be central in im age processing theory. The second part of the book provides a fast and self-contained presentation of the classical theory of rectifiable sets (the "edges") and unrectifiable sets ("fractals")."

From Gestalt Theory to Image Analysis - A Probabilistic Approach (Paperback, Softcover reprint of hardcover 1st ed. 2008):... From Gestalt Theory to Image Analysis - A Probabilistic Approach (Paperback, Softcover reprint of hardcover 1st ed. 2008)
Agnes Desolneux, Lionel Moisan, Jean-Michel Morel
R1,467 Discovery Miles 14 670 Ships in 10 - 15 working days

This book introduces a new theory in Computer Vision yielding elementary techniques to analyze digital images. These techniques are a mathematical formalization of the Gestalt theory. From the mathematical viewpoint the closest field to it is stochastic geometry, involving basic probability and statistics, in the context of image analysis. The book is mathematically self-contained, needing only basic understanding of probability and calculus. The text includes more than 130 illustrations, and numerous examples based on specific images on which the theory is tested. Detailed exercises at the end of each chapter help the reader develop a firm understanding of the concepts imparted.

Optimal Transportation Networks - Models and Theory (Paperback, 2009 ed.): Marc Bernot, Vicent Caselles, Jean-Michel Morel Optimal Transportation Networks - Models and Theory (Paperback, 2009 ed.)
Marc Bernot, Vicent Caselles, Jean-Michel Morel
R1,567 Discovery Miles 15 670 Ships in 10 - 15 working days

The transportation problem can be formalized as the problem of finding the optimal way to transport a given measure into another with the same mass. In contrast to the Monge-Kantorovitch problem, recent approaches model the branched structure of such supply networks as minima of an energy functional whose essential feature is to favour wide roads. Such a branched structure is observable in ground transportation networks, in draining and irrigation systems, in electrical power supply systems, and in natural counterparts such as blood vessels or the branches of trees.

These lectures provide mathematical proof of several existence, structure and regularity properties, empirically observed in transportation networks. The link with previous discrete physical models of irrigation and erosion models in geomorphology and with discrete telecommunication and transportation models is discussed. It will be mathematically proven that the majority fit in the simple model sketched in this volume.

Mathematics Going Forward - Collected Mathematical Brushstrokes (Paperback, 1st ed. 2023): Jean-Michel Morel, Bernard Teissier Mathematics Going Forward - Collected Mathematical Brushstrokes (Paperback, 1st ed. 2023)
Jean-Michel Morel, Bernard Teissier
R1,470 R1,389 Discovery Miles 13 890 Save R81 (6%) Ships in 9 - 15 working days

This volume is an original collection of articles by 44 leading mathematicians on the theme of the future of the discipline. The contributions range from musings on the future of specific fields, to analyses of the history of the discipline, to discussions of open problems and conjectures, including first solutions of unresolved problems. Interestingly, the topics do not cover all of mathematics, but only those deemed most worthy to reflect on for future generations. These topics encompass the most active parts of pure and applied mathematics, including algebraic geometry, probability, logic, optimization, finance, topology, partial differential equations, category theory, number theory, differential geometry, dynamical systems, artificial intelligence, theory of groups, mathematical physics and statistics.

ICAOS '96 12th International Conference on Analysis and Optimization of Systems - Images, Wavelets and PDEs. Paris, June... ICAOS '96 12th International Conference on Analysis and Optimization of Systems - Images, Wavelets and PDEs. Paris, June 26-28, 1996 (Paperback, 1996 ed.)
Marie-Odile Berger, Rachid Deriche, Isabelle Herlin, Jerome Jaffre, Jean-Michel Morel
R1,494 Discovery Miles 14 940 Ships in 10 - 15 working days

This volume contains the proceedings of ICAOS '96 the 12th International Conference on Analysis and Optimization of Systems. This conference was co-organized by INRIA and the CEREMADE and was dedicated to Images, Wavelets and PDE's. The aim of the conference was to discuss the impact on image analysis of recent mathematical developments in multiscale analysis, partial differential equations, variational methods and so on. ICAOS '96 provided a forum for image processing researchers and mathematicians to interact and to exchange their technical knowledge and experience, theoretical or practical, in this emerging and exciting domain. The selected papers have been organized according to the following sessions, each session corresponding to a section of the book: 1. Active Contours; 2. Image Enhancement and Restoration, Scale-Spaces; 3. Wavelets; 4. Image Segmentation; 5. Image Restoration; 6. Coding; 7. Applications.

Symposium on Probability Methods in Analysis - Lectures Delivered at a Symposium at Loutraki, Greece, 22.5. - 4.6.66 (English,... Symposium on Probability Methods in Analysis - Lectures Delivered at a Symposium at Loutraki, Greece, 22.5. - 4.6.66 (English, German, French, Paperback, 1967 ed.)
Jean-Michel Morel, Bernard Teissier
R1,368 Discovery Miles 13 680 Ships in 10 - 15 working days
A Theory of Shape Identification (Paperback, 2008 ed.): Frederic Cao, Jose-Luis Lisani, Jean-Michel Morel, Pablo Muse, Frederic... A Theory of Shape Identification (Paperback, 2008 ed.)
Frederic Cao, Jose-Luis Lisani, Jean-Michel Morel, Pablo Muse, Frederic Sur
R1,465 Discovery Miles 14 650 Ships in 10 - 15 working days

Recent years have seen dramatic progress in shape recognition algorithms applied to ever-growing image databases. They have been applied to image stitching, stereo vision, image mosaics, solid object recognition and video or web image retrieval. More fundamentally, the ability of humans and animals to detect and recognize shapes is one of the enigmas of perception.

The book describes a complete method that starts from a query image and an image database and yields a list of the images in the database containing shapes present in the query image. A false alarm number is associated to each detection. Many experiments will show that familiar simple shapes or images can reliably be identified with false alarm numbers ranging from 10-5 to less than 10-300.

Technically speaking, there are two main issues. The first is extracting invariant shape descriptors from digital images. Indeed, a shape can be seen from various angles and distances and in various lights. A shape can even be partially occluded by other shapes and still be identifiable. Because the extraction step is so crucial, three acknowledged shape descriptors, SIFT, MSER and LLD, are introduced.

The second issue is deciding whether two shape descriptors are identifiable as the same shape or not. A perceptual principle, the Helmholtz principle, is the cornerstone of this decision. It asserts that two shapes can be identified if the probability, that their resemblance may be due to chance, is very small. Not only may this principle be useful in this identification step, but it is also used throughout the complete system that will be presented: from the extraction of shape descriptors in digital images to their grouping in whole shapes.

These decisions rely on elementary stochastic geometry and compute a false alarm number. The lower this number, the more secure the identification. The description of the processes, the many experiments on digital images and the simple proofs of mathematical correctness are interlaced so as to make a reading accessible to various audiences, such as students, engineers, and researchers.

The Great War of Our Time - The Cia's Fight Against Terrorism--From Al Qa'ida to Isis (Paperback): Michael Morell The Great War of Our Time - The Cia's Fight Against Terrorism--From Al Qa'ida to Isis (Paperback)
Michael Morell; As told to Bill Harlow
R614 R543 Discovery Miles 5 430 Save R71 (12%) Ships in 10 - 15 working days
The Great War of Our Time - The Cia's Fight Against Terrorism--From Al Qa'ida to Isis (Large print, Hardcover, Large... The Great War of Our Time - The Cia's Fight Against Terrorism--From Al Qa'ida to Isis (Large print, Hardcover, Large type / large print edition)
Michael Morell; As told to Bill Harlow
R1,166 R1,005 Discovery Miles 10 050 Save R161 (14%) Ships in 10 - 15 working days

Like See No Evil and At the Center of the Storm, this is a vivid and gripping account of the Central Intelligence Agency, a life of secrets, and a war in the shadows. Called the "Bob Gates of his generation" by Politico, Michael Morell was a top CIA officer who played a critical role in the most important counterterrorism events of the past two decades. Morell was by President Bush's side on 9/11/01 when terrorists struck America and in the White House Situation Room advising President Obama on 5/1/11 when America struck back-killing Usama bin Ladin. From the subway bombings in London to the terrorist attacks in Benghazi, Morell always seemed to find himself on the cusp of history. A superb intelligence analyst and briefer, Morell now presents The Great War of Our Time, where he uses his talents to offer an unblinking and insightful assessment of CIA's counterterrorism successes and failures of the past twenty years and, perhaps most important, shows readers that the threat of terrorism did not die with Bin Ladin in Abbottabad. Morell illuminates new, growing threats from terrorist groups that, if unaddressed, could leave the country vulnerable to attacks that would dwarf 9/11 in magnitude. He writes of secret, back-channel negotiations he conducted with foreign spymasters and regime leaders in a desperate attempt to secure a peaceful outcome to unrest launched during the "Arab Spring." Morell describes how efforts to throw off the shackles of oppression have too often resulted in broken nation states unable or unwilling to join the fight against terrorism. Along the way Morell provides intimate portraits of the leadership styles of figures ranging from Presidents Bush and Obama, CIA directors Tenet, Goss, Hayden, Petraeus, Panetta, and Brennan, and a host of others.

The Great War of Our Time - The Cia's Fight Against Terrorism--From Al Qa'ida to Isis (Hardcover): Michael Morell The Great War of Our Time - The Cia's Fight Against Terrorism--From Al Qa'ida to Isis (Hardcover)
Michael Morell; As told to Bill Harlow
R996 R865 Discovery Miles 8 650 Save R131 (13%) Ships in 10 - 15 working days
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