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Variational Methods in Image Segmentation
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 ...
Bigfoot Film Journal
Bigfoot Film Journal provides a detailed account and analysis of the circumstances and aftermath of one of the most controversial motion picture films in world history--the Patterson/Gimlin film. In October 1967, Roger Patterson and Robert Gimlin filmed what many people believe was an actual sasquatch or bigfoot on a shore of Bluff Creek in Northern California. The one-minute film they took of the creature has been vigorously debated for over 40 years, and it continues to reside in the annals of the "unexplained." The creature filmed cannot be proven to be either an actual primate of some sort or a fabrication. Much has been written about the film in the past, but the details of the filming ...
The Visual World of Shadows
How the perception of shadows, studied by vision scientists and visual artists, reveals the inner workings of the visual system. In The Visual World of Shadows, Roberto Casati and Patrick Cavanagh examine how the perception of shadows, as studied by vision scientists and visual artists, reveals the inner workings of the visual system. Shadows are at once a massive problem for vision—which must distinguish them from objects or material features of objects—and a resource, signaling the presence, location, shape, and size of objects. Casati and Cavanagh draw up an inventory of information retrievable from shadows, showing their amazing variety. They present an overview of the visual system,...
Social Resilience in the Neoliberal Era
What is the impact of three decades of neoliberal narratives and policies on communities and individual lives? What are the sources of social resilience? This book offers a sweeping assessment of the effects of neoliberalism, the dominant feature of our times. It analyzes the ideology in unusually wide-ranging terms as a movement that not only opened markets but also introduced new logics into social life, integrating macro-level analyses of the ways in which neoliberal narratives made their way into international policy regimes with micro-level analyses of the ways in which individuals responded to the challenges of the neoliberal era. The product of ten years of collaboration among a distinguished group of scholars, it integrates institutional and cultural analysis in new ways to understand neoliberalism as a syncretic social process and to explore the sources of social resilience across communities in the developed and developing worlds.
Readings in Computer Vision
The field of computer vision combines techniques from physics, mathematics, psychology, artificial intelligence, and computer science to examine how machines might construct meaningful descriptions of their surrounding environment. The editors of this volume, prominent researchers and leaders of the SRI International AI Center Perception Group, have selected sixty papers, most published since 1980, with the viewpoint that computer vision is concerned with solving seven basic problems: - Reconstructing 3D scenes from 2D images - Decomposing images into their component parts - Recognizing and assigning labels to scene objects - Deducing and describing relations among scene objects - Determinin...
The Common Dream
The Common Dream is a haunting and provocative work, taking the reader deep inside lives traumatized by the agonies endured in a historically repressed society. The taut narratives of refugees fleeing across the sea reveal facets of a brutal system that denied freedom, instilled fear and fostered hopelessness. The nightmare is compounded by cruelties of a different sort, some residual and some newly imposed at the emigrants port of call. The Common Dream is an inordinately credible fiction documenting escape from an incredibly horrid reality and the dream of not having the need to do so.
From Gestalt Theory to Image Analysis
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.
Geographical Information Systems in Assessing Natural Hazards
The 16 contributions to Geographical Information Systems in Assessing Natural Hazards report on GIS investigations into landslides, floods, volcanic eruptions, earthquakes and groundwater pollution hazards. Current methods for predicting extreme events are critically discussed, the emphasis being on the intrinsic complexity of this type of operation, requiring many spatial data, long historical records and sound models of the physical processes involved. Within this context, the potentials and limitations of GIS are addressed in terms of data acquisition, spatial data structures and modelling for simulation of the causal phenomena. Geographic Information Systems in Assessing Natural Hazards will help investigators in both public and private institutions to evaluate the actual effectiveness of GIS in coping with natural disasters, and to develop new strategies for projects aimed at the assessment and mitigation of the effects of such catastrophic events.
