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Probabilistic Graphical Models For Computer Vision

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Probabilistic Graphical Models for Computer Vision

Probabilistic Graphical Models for Computer Vision Book
Author : Qiang Ji
Publisher : Academic Press
Release : 2019-11
ISBN : 012803467X
Language : En, Es, Fr & De

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Book Description :

Probabilistic Graphical Models for Computer Vision introduces probabilistic graphical models (PGMs) for computer vision problems and teaches how to develop the PGM model from training data. This book discusses PGMs and their significance in the context of solving computer vision problems, giving the basic concepts, definitions and properties. It also provides a comprehensive introduction to well-established theories for different types of PGMs, including both directed and undirected PGMs, such as Bayesian Networks, Markov Networks and their variants. Discusses PGM theories and techniques with computer vision examples Focuses on well-established PGM theories that are accompanied by corresponding pseudocode for computer vision Includes an extensive list of references, online resources and a list of publicly available and commercial software Covers computer vision tasks, including feature extraction and image segmentation, object and facial recognition, human activity recognition, object tracking and 3D reconstruction

Probabilistic Graphical Models

Probabilistic Graphical Models Book
Author : Luis Enrique Sucar
Publisher : Springer Nature
Release : 2020-12-23
ISBN : 3030619435
Language : En, Es, Fr & De

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Book Description :

This fully updated new edition of a uniquely accessible textbook/reference provides a general introduction to probabilistic graphical models (PGMs) from an engineering perspective. It features new material on partially observable Markov decision processes, graphical models, and deep learning, as well as an even greater number of exercises. The book covers the fundamentals for each of the main classes of PGMs, including representation, inference and learning principles, and reviews real-world applications for each type of model. These applications are drawn from a broad range of disciplines, highlighting the many uses of Bayesian classifiers, hidden Markov models, Bayesian networks, dynamic and temporal Bayesian networks, Markov random fields, influence diagrams, and Markov decision processes. Topics and features: Presents a unified framework encompassing all of the main classes of PGMs Explores the fundamental aspects of representation, inference and learning for each technique Examines new material on partially observable Markov decision processes, and graphical models Includes a new chapter introducing deep neural networks and their relation with probabilistic graphical models Covers multidimensional Bayesian classifiers, relational graphical models, and causal models Provides substantial chapter-ending exercises, suggestions for further reading, and ideas for research or programming projects Describes classifiers such as Gaussian Naive Bayes, Circular Chain Classifiers, and Hierarchical Classifiers with Bayesian Networks Outlines the practical application of the different techniques Suggests possible course outlines for instructors This classroom-tested work is suitable as a textbook for an advanced undergraduate or a graduate course in probabilistic graphical models for students of computer science, engineering, and physics. Professionals wishing to apply probabilistic graphical models in their own field, or interested in the basis of these techniques, will also find the book to be an invaluable reference. Dr. Luis Enrique Sucar is a Senior Research Scientist at the National Institute for Astrophysics, Optics and Electronics (INAOE), Puebla, Mexico. He received the National Science Prize en 2016.

Probabilistic Graphical Models

Probabilistic Graphical Models Book
Author : Daphne Koller,Nir Friedman
Publisher : MIT Press
Release : 2009-07-31
ISBN : 0262013193
Language : En, Es, Fr & De

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Book Description :

A general framework for constructing and using probabilistic models of complex systems that would enable a computer to use available information for making decisions. Most tasks require a person or an automated system to reason—to reach conclusions based on available information. The framework of probabilistic graphical models, presented in this book, provides a general approach for this task. The approach is model-based, allowing interpretable models to be constructed and then manipulated by reasoning algorithms. These models can also be learned automatically from data, allowing the approach to be used in cases where manually constructing a model is difficult or even impossible. Because uncertainty is an inescapable aspect of most real-world applications, the book focuses on probabilistic models, which make the uncertainty explicit and provide models that are more faithful to reality. Probabilistic Graphical Models discusses a variety of models, spanning Bayesian networks, undirected Markov networks, discrete and continuous models, and extensions to deal with dynamical systems and relational data. For each class of models, the text describes the three fundamental cornerstones: representation, inference, and learning, presenting both basic concepts and advanced techniques. Finally, the book considers the use of the proposed framework for causal reasoning and decision making under uncertainty. The main text in each chapter provides the detailed technical development of the key ideas. Most chapters also include boxes with additional material: skill boxes, which describe techniques; case study boxes, which discuss empirical cases related to the approach described in the text, including applications in computer vision, robotics, natural language understanding, and computational biology; and concept boxes, which present significant concepts drawn from the material in the chapter. Instructors (and readers) can group chapters in various combinations, from core topics to more technically advanced material, to suit their particular needs.

Building Tractable Probabilistic Graphical Models for Computer Vision Problems

Building Tractable Probabilistic Graphical Models for Computer Vision Problems Book
Author : Xiangyang Lan
Publisher : Unknown
Release : 2007
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Throughout this dissertation, we investigate the trade-off between model expressiveness and inference complexity in the context of several computer vision problems, including human pose recognition from a single image, articulated object detection and tracking, and image denoising. We construct graphical models with different structural complexity for these problems, and show experimental results to evaluate and compare their performance.

Probabilistic Graphical Models

Probabilistic Graphical Models Book
Author : Daphne Koller,Nir Friedman
Publisher : MIT Press
Release : 2009-07-31
ISBN : 0262258358
Language : En, Es, Fr & De

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Book Description :

A general framework for constructing and using probabilistic models of complex systems that would enable a computer to use available information for making decisions. Most tasks require a person or an automated system to reason—to reach conclusions based on available information. The framework of probabilistic graphical models, presented in this book, provides a general approach for this task. The approach is model-based, allowing interpretable models to be constructed and then manipulated by reasoning algorithms. These models can also be learned automatically from data, allowing the approach to be used in cases where manually constructing a model is difficult or even impossible. Because uncertainty is an inescapable aspect of most real-world applications, the book focuses on probabilistic models, which make the uncertainty explicit and provide models that are more faithful to reality. Probabilistic Graphical Models discusses a variety of models, spanning Bayesian networks, undirected Markov networks, discrete and continuous models, and extensions to deal with dynamical systems and relational data. For each class of models, the text describes the three fundamental cornerstones: representation, inference, and learning, presenting both basic concepts and advanced techniques. Finally, the book considers the use of the proposed framework for causal reasoning and decision making under uncertainty. The main text in each chapter provides the detailed technical development of the key ideas. Most chapters also include boxes with additional material: skill boxes, which describe techniques; case study boxes, which discuss empirical cases related to the approach described in the text, including applications in computer vision, robotics, natural language understanding, and computational biology; and concept boxes, which present significant concepts drawn from the material in the chapter. Instructors (and readers) can group chapters in various combinations, from core topics to more technically advanced material, to suit their particular needs.

Learning Structured Prediction Models in Computer Vision

Learning Structured Prediction Models in Computer Vision Book
Author : Fayao Liu
Publisher : Unknown
Release : 2015
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Most of the real world applications can be formulated as structured learning problems, in which the output domain can be arbitrary, e.g., a sequence or a graph. By modelling the structures (constraints and correlations) of the output variables, structured learning provides a more general learning scheme than simple binary classification or regression models. This thesis is dedicated to learning such structured prediction models, i.e., conditional random fields (CRFs) and their applications in computer vision. CRFs are popular probabilistic graphical models, which model the conditional distribution of the output variables given the observations. They play an essential role in the computer vision community and have found wide applications in various vision tasks-semantic labelling, object detection, pose estimation, to name a few. Specifically, we here focus on two challenging tasks in this thesis: image segmentation (also referred as semantic labelling) and depth estimation from single monocular images, which represent two types of CRFs models-discrete and continuous. In summary, we made three contributions in this thesis. First, we present a new approach to exploit tree potentials in CRFs for the task of image segmentation. This method combines the advantages of both CRFs and decision trees. Different from traditional methods, in which the potential functions of CRFs are defined as a linear combination of some pre-defined parametric models, we formulate the unary and the pairwise potentials as nonparametric forests-ensembles of decision trees, and learn the ensemble parameters and the trees in a unified optimization problem within the large-margin framework. In this fashion, we easily achieve nonlinear learning of potential functions on both unary and pairwise terms in CRFs. Moreover, we learn class-wise decision trees for each object that appears in the image. We further show that this challenging optimization can be efficiently solved by combining a modified column generation and cutting-planes techniques. Experimental results on both binary and multi-class segmentation datasets demonstrate the power of the learned nonlinear nonparametric potentials. Second, we propose to model the unary potentials of the CRFs using a convolutional neural network (CNN). The deep CNN is trained on the large-scale ImageNet dataset and transferred to image segmentation here for constructing unary potentials of super-pixels. The CRFs parameters are then learned within the max-margin framework using structured support vector machines (SSVM). To fully exploit context information in inference, we construct spatially related co-occurrence pairwise potentials and incorporate them into the energy function. This prefers labellings of object pairs that frequently co-occur in a certain spatial layout and at the same time avoids implausible labellings during the inference. Extensive experiments on binary and multi-class segmentation benchmarks demonstrate the potentials of the proposed method. Third, different from the previous two works, we address the problem of continuous CRFs learning, applied to the task of depth estimation from single images. Specifically, we formulate and learn the unary and pairwise potentials of a continuous CRFs model with CNN networks in a unified framework. We term this new method as deep convolutional neural fields, abbreviated as DCNF. It jointly explores the capacity of deep CNN and continuous CRFs. The proposed method can be used for depth estimation of general scenes with no geometric priors nor any extra information injected. Specifically, in our case, the integral of the partition function can be calculated in a closed form such that we can exactly solve the log-likelihood maximization. Moreover, solving the inference problem for predicting depths of a test image is highly efficient as closed-form solutions exist. We then further propose an equally effective model based on fully convolutional networks and a novel superpixel pooling method, which is ~ 10 times faster, to speedup the patch-wise convolutions in the deep model. With this more efficient model, we are able to design very deep networks to pursue further performance gain. Experiments on both indoor and outdoor scene datasets demonstrate that the proposed method significantly outperforms state-of-the-art depth estimation approaches. We also show experimentally that the proposed method generalizes well to depth estimations of images unrelated to the training data. This indicates the potential of our method for benefiting other vision tasks.

Computer Vision ECCV 2008

Computer Vision   ECCV 2008 Book
Author : David Forsyth,Philip Torr,Andrew Zisserman
Publisher : Springer Science & Business Media
Release : 2008-10-07
ISBN : 3540886893
Language : En, Es, Fr & De

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Book Description :

The four-volume set comprising LNCS volumes 5302/5303/5304/5305 constitutes the refereed proceedings of the 10th European Conference on Computer Vision, ECCV 2008, held in Marseille, France, in October 2008. The 243 revised papers presented were carefully reviewed and selected from a total of 871 papers submitted. The four books cover the entire range of current issues in computer vision. The papers are organized in topical sections on recognition, stereo, people and face recognition, object tracking, matching, learning and features, MRFs, segmentation, computational photography and active reconstruction.

Handbook of Pattern Recognition and Computer Vision

Handbook of Pattern Recognition and Computer Vision Book
Author : Chi-hau Chen
Publisher : World Scientific
Release : 2010
ISBN : 9814273392
Language : En, Es, Fr & De

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Book Description :

Both pattern recognition and computer vision have experienced rapid progress in the last twenty-five years. This book provides the latest advances on pattern recognition and computer vision along with their many applications. It features articles written by renowned leaders in the field while topics are presented in readable form to a wide range of readers. The book is divided into five parts: basic methods in pattern recognition, basic methods in computer vision and image processing, recognition applications, life science and human identification, and systems and technology. There are eight new chapters on the latest developments in life sciences using pattern recognition as well as two new chapters on pattern recognition in remote sensing.

Emerging Topics in Computer Vision and Its Applications

Emerging Topics in Computer Vision and Its Applications Book
Author : C. H. Chen
Publisher : World Scientific
Release : 2012
ISBN : 9814343005
Language : En, Es, Fr & De

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Book Description :

This book gives a comprehensive overview of the most advanced theories, methodologies and applications in computer vision. Particularly, it gives an extensive coverage of 3D and robotic vision problems. Example chapters featured are Fourier methods for 3D surface modeling and analysis, use of constraints for calibration-free 3D Euclidean reconstruction, novel photogeometric methods for capturing static and dynamic objects, performance evaluation of robot localization methods in outdoor terrains, integrating 3D vision with force/tactile sensors, tracking via in-floor sensing, self-calibration of camera networks, etc. Some unique applications of computer vision in marine fishery, biomedical issues, driver assistance, are also highlighted.

Decision Forests for Computer Vision and Medical Image Analysis

Decision Forests for Computer Vision and Medical Image Analysis Book
Author : Antonio Criminisi,J Shotton
Publisher : Springer Science & Business Media
Release : 2013-01-30
ISBN : 1447149297
Language : En, Es, Fr & De

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Book Description :

This practical and easy-to-follow text explores the theoretical underpinnings of decision forests, organizing the vast existing literature on the field within a new, general-purpose forest model. Topics and features: with a foreword by Prof. Y. Amit and Prof. D. Geman, recounting their participation in the development of decision forests; introduces a flexible decision forest model, capable of addressing a large and diverse set of image and video analysis tasks; investigates both the theoretical foundations and the practical implementation of decision forests; discusses the use of decision forests for such tasks as classification, regression, density estimation, manifold learning, active learning and semi-supervised classification; includes exercises and experiments throughout the text, with solutions, slides, demo videos and other supplementary material provided at an associated website; provides a free, user-friendly software library, enabling the reader to experiment with forests in a hands-on manner.

Global Variational Learning for Graphical Models with Latent Variables

Global Variational Learning for Graphical Models with Latent Variables Book
Author : Ahmed M. Abdelatty
Publisher : Unknown
Release : 2018
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Probabilistic Graphical Models have been used intensively for developing Machine Learning applications including Computer Vision, Natural Language processing, Collaborative Filtering, and Bioinformatics. Moreover, Graphical Models with latent variables are very powerful tools for modeling uncertainty, since latent variables can be used to represent unobserved factors, and they also can be used to model the correlations between the observed variables. However, global learning of Latent Variable Models (LVMs) is NP-hard in general, and the state-of-the-art algorithm for learning them such as Expectation Maximization algorithm can get stuck in local optimum. In this thesis, we address the problem of global variational learning for LVMs. More precisely, we propose a convex variational approximation for Maximum Likelihood Learning and apply Frank-Wolfe algorithm to solve it. We also investigate the use of the Global Optimization Algorithm (GOP) for Bayesian Learning, and we demonstrate that it converges to the global optimum.

Computer Vision ECCV 2016

Computer Vision     ECCV 2016 Book
Author : Bastian Leibe,Jiri Matas,Nicu Sebe,Max Welling
Publisher : Springer
Release : 2016-09-16
ISBN : 3319464841
Language : En, Es, Fr & De

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Book Description :

The eight-volume set comprising LNCS volumes 9905-9912 constitutes the refereed proceedings of the 14th European Conference on Computer Vision, ECCV 2016, held in Amsterdam, The Netherlands, in October 2016. The 415 revised papers presented were carefully reviewed and selected from 1480 submissions. The papers cover all aspects of computer vision and pattern recognition such as 3D computer vision; computational photography, sensing and display; face and gesture; low-level vision and image processing; motion and tracking; optimization methods; physics-based vision, photometry and shape-from-X; recognition: detection, categorization, indexing, matching; segmentation, grouping and shape representation; statistical methods and learning; video: events, activities and surveillance; applications. They are organized in topical sections on detection, recognition and retrieval; scene understanding; optimization; image and video processing; learning; action, activity and tracking; 3D; and 9 poster sessions.

Progress in Pattern Recognition Image Analysis Computer Vision and Applications

Progress in Pattern Recognition  Image Analysis  Computer Vision  and Applications Book
Author : Luis Alvarez,Marta Mejail,Luis Gomez,Julio Jacobo
Publisher : Springer
Release : 2012-08-11
ISBN : 3642332757
Language : En, Es, Fr & De

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Book Description :

This book constitutes the refereed proceedings of the 17th Iberoamerican Congress on Pattern Recognition, CIARP 2012, held in Buenos Aires, Argentina, in September 2012. The 109 papers presented, among them two tutorials and four keynotes, were carefully reviewed and selected from various submissions. The papers are organized in topical sections on face and iris: detection and recognition; clustering; fuzzy methods; human actions and gestures; graphs; image processing and analysis; shape and texture; learning, mining and neural networks; medical images; robotics, stereo vision and real time; remote sensing; signal processing; speech and handwriting analysis; statistical pattern recognition; theoretical pattern recognition; and video analysis.

Structured Learning and Prediction in Computer Vision

Structured Learning and Prediction in Computer Vision Book
Author : Sebastian Nowozin,Christoph H. Lampert
Publisher : Now Publishers Inc
Release : 2011
ISBN : 1601984561
Language : En, Es, Fr & De

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Book Description :

Structured Learning and Prediction in Computer Vision introduces the reader to the most popular classes of structured models in computer vision.

Visual Analysis of Behaviour

Visual Analysis of Behaviour Book
Author : Shaogang Gong,Tao Xiang
Publisher : Springer Science & Business Media
Release : 2011-05-26
ISBN : 0857296701
Language : En, Es, Fr & De

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Book Description :

This book presents a comprehensive treatment of visual analysis of behaviour from computational-modelling and algorithm-design perspectives. Topics: covers learning-group activity models, unsupervised behaviour profiling, hierarchical behaviour discovery, learning behavioural context, modelling rare behaviours, and “man-in-the-loop” active learning; examines multi-camera behaviour correlation, person re-identification, and “connecting-the-dots” for abnormal behaviour detection; discusses Bayesian information criterion, Bayesian networks, “bag-of-words” representation, canonical correlation analysis, dynamic Bayesian networks, Gaussian mixtures, and Gibbs sampling; investigates hidden conditional random fields, hidden Markov models, human silhouette shapes, latent Dirichlet allocation, local binary patterns, locality preserving projection, and Markov processes; explores probabilistic graphical models, probabilistic topic models, space-time interest points, spectral clustering, and support vector machines.

Effective Surveillance for Homeland Security

Effective Surveillance for Homeland Security Book
Author : Francesco Flammini,Roberto Setola,Giorgio Franceschetti
Publisher : CRC Press
Release : 2013-06-10
ISBN : 1439883254
Language : En, Es, Fr & De

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Book Description :

Effective Surveillance for Homeland Security: Balancing Technology and Social Issues provides a comprehensive survey of state-of-the-art methods and tools for the surveillance and protection of citizens and critical infrastructures against natural and deliberate threats. Focusing on current technological challenges involving multi-disciplinary prob

Intelligence Science and Big Data Engineering

Intelligence Science and Big Data Engineering Book
Author : Changyin Sun,Fang Fang,Zhi-Hua Zhou,Wankou Yang,Zhiyong Liu
Publisher : Springer
Release : 2013-11-18
ISBN : 3642420575
Language : En, Es, Fr & De

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Book Description :

This book constitutes the thoroughly refereed post-conference proceedings of the 4th International Conference on Intelligence Science and Big Data Engineering, IScIDE 2013, held in Beijing, China, in July/August 2013. The 111 papers presented were carefully peer-reviewed and selected from 390 submissions. Topics covered include information theoretic and Bayesian approaches; probabilistic graphical models; pattern recognition and computer vision; signal processing and image processing; machine learning and computational intelligence; neural networks and neuro-informatics; statistical inference and uncertainty reasoning; bioinformatics and computational biology and speech recognition and natural language processing.

Computer Vision ECCV 2012

Computer Vision     ECCV 2012 Book
Author : Andrew Fitzgibbon,Svetlana Lazebnik,Pietro Perona,Yoichi Sato,Cordelia Schmid
Publisher : Springer
Release : 2012-09-26
ISBN : 3642337864
Language : En, Es, Fr & De

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Book Description :

The seven-volume set comprising LNCS volumes 7572-7578 constitutes the refereed proceedings of the 12th European Conference on Computer Vision, ECCV 2012, held in Florence, Italy, in October 2012. The 408 revised papers presented were carefully reviewed and selected from 1437 submissions. The papers are organized in topical sections on geometry, 2D and 3D shapes, 3D reconstruction, visual recognition and classification, visual features and image matching, visual monitoring: action and activities, models, optimisation, learning, visual tracking and image registration, photometry: lighting and colour, and image segmentation.

Computer Vision ECCV 2014

Computer Vision    ECCV 2014 Book
Author : David Fleet,Tomas Pajdla,Bernt Schiele,Tinne Tuytelaars
Publisher : Springer
Release : 2014-08-14
ISBN : 331910599X
Language : En, Es, Fr & De

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Book Description :

The seven-volume set comprising LNCS volumes 8689-8695 constitutes the refereed proceedings of the 13th European Conference on Computer Vision, ECCV 2014, held in Zurich, Switzerland, in September 2014. The 363 revised papers presented were carefully reviewed and selected from 1444 submissions. The papers are organized in topical sections on tracking and activity recognition; recognition; learning and inference; structure from motion and feature matching; computational photography and low-level vision; vision; segmentation and saliency; context and 3D scenes; motion and 3D scene analysis; and poster sessions.

Image Processing and Analysis with Graphs

Image Processing and Analysis with Graphs Book
Author : Olivier Lezoray,Leo Grady
Publisher : CRC Press
Release : 2017-07-12
ISBN : 1439855080
Language : En, Es, Fr & De

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Book Description :

Covering the theoretical aspects of image processing and analysis through the use of graphs in the representation and analysis of objects, Image Processing and Analysis with Graphs: Theory and Practice also demonstrates how these concepts are indispensible for the design of cutting-edge solutions for real-world applications. Explores new applications in computational photography, image and video processing, computer graphics, recognition, medical and biomedical imaging With the explosive growth in image production, in everything from digital photographs to medical scans, there has been a drastic increase in the number of applications based on digital images. This book explores how graphs—which are suitable to represent any discrete data by modeling neighborhood relationships—have emerged as the perfect unified tool to represent, process, and analyze images. It also explains why graphs are ideal for defining graph-theoretical algorithms that enable the processing of functions, making it possible to draw on the rich literature of combinatorial optimization to produce highly efficient solutions. Some key subjects covered in the book include: Definition of graph-theoretical algorithms that enable denoising and image enhancement Energy minimization and modeling of pixel-labeling problems with graph cuts and Markov Random Fields Image processing with graphs: targeted segmentation, partial differential equations, mathematical morphology, and wavelets Analysis of the similarity between objects with graph matching Adaptation and use of graph-theoretical algorithms for specific imaging applications in computational photography, computer vision, and medical and biomedical imaging Use of graphs has become very influential in computer science and has led to many applications in denoising, enhancement, restoration, and object extraction. Accounting for the wide variety of problems being solved with graphs in image processing and computer vision, this book is a contributed volume of chapters written by renowned experts who address specific techniques or applications. This state-of-the-art overview provides application examples that illustrate practical application of theoretical algorithms. Useful as a support for graduate courses in image processing and computer vision, it is also perfect as a reference for practicing engineers working on development and implementation of image processing and analysis algorithms.