Graphical Simulation Of Deformable Models

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Graphical Simulation of Deformable Models

Author : Jianping Cai
Publisher : Springer
ISBN 13 : 3319510312
Total Pages : 120 pages
Book Rating : 4.3/5 (195 download)

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Book Synopsis Graphical Simulation of Deformable Models by : Jianping Cai

Download or read book Graphical Simulation of Deformable Models written by Jianping Cai and published by Springer. This book was released on 2016-12-20 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers dynamic simulation of deformable objects, which is one of the most challenging tasks in computer graphics and visualization. It focuses on the simulation of deformable models with anisotropic materials, one of the less common approaches in the existing research. Both physically-based and geometrically-based approaches are examined. The authors start with transversely isotropic materials for the simulation of deformable objects with fibrous structures. Next, they introduce a fiber-field incorporated corotational finite element model (CLFEM) that works directly with a constitutive model of transversely isotropic material. A smooth fiber-field is used to establish the local frames for each element. To introduce deformation simulation for orthotropic materials, an orthotropic deformation controlling frame-field is conceptualized and a frame construction tool is developed for users to define the desired material properties. The orthotropic frame-field is coupled with the CLFEM model to complete an orthotropic deformable model. Finally, the authors present an integrated real-time system for animation of skeletal characters with anisotropic tissues. To solve the problems of volume distortion and high computational costs, a strain-based PBD framework for skeletal animation is explained; natural secondary motion of soft tissues is another benefit. The book is written for those researchers who would like to develop their own algorithms. The key mathematical and computational concepts are presented together with illustrations and working examples. It can also be used as a reference book for graduate students and senior undergraduates in the areas of computer graphics, computer animation, and virtual reality. Academics, researchers, and professionals will find this to be an exceptional resource.

Physics-Based Deformable Models

Author : Dimitris N. Metaxas
Publisher : Springer Science & Business Media
ISBN 13 : 1461563356
Total Pages : 311 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Physics-Based Deformable Models by : Dimitris N. Metaxas

Download or read book Physics-Based Deformable Models written by Dimitris N. Metaxas and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physics-Based Deformable Models presents a systematic physics-based framework for modeling rigid, articulated, and deformable objects, their interactions with the physical world, and the estimate of their shape and motion from visual data. This book presents a large variety of methods and associated experiments in computer vision, graphics and medical imaging that help the reader better to understand the presented material. In addition, special emphasis has been given to the development of techniques with interactive or close to real-time performance. Physics-Based Deformable Models is suitable as a secondary text for graduate level courses in Computer Graphics, Computational Physics, Computer Vision, Medical Imaging, and Biomedical Engineering. In addition, this book is appropriate as a reference for researchers and practitioners in the above-mentioned fields.

Finite Element Method Simulation of 3D Deformable Solids

Author : Eftychios Sifakis
Publisher : Morgan & Claypool Publishers
ISBN 13 : 162705443X
Total Pages : 71 pages
Book Rating : 4.6/5 (27 download)

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Book Synopsis Finite Element Method Simulation of 3D Deformable Solids by : Eftychios Sifakis

Download or read book Finite Element Method Simulation of 3D Deformable Solids written by Eftychios Sifakis and published by Morgan & Claypool Publishers. This book was released on 2015-10-01 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book serves as a practical guide to simulation of 3D deformable solids using the Finite Element Method (FEM). It reviews a number of topics related to the theory and implementation of FEM approaches: measures of deformation, constitutive laws of nonlinear materials, tetrahedral discretizations, and model reduction techniques for real-time simulation. Simulations of deformable solids are important in many applications in computer graphics, including film special effects, computer games, and virtual surgery. The Finite Element Method has become a popular tool in many such applications. Variants of FEM catering to both offline and real-time simulation have had a mature presence in computer graphics literature. This book is designed for readers familiar with numerical simulation in computer graphics, who would like to obtain a cohesive picture of the various FEM simulation methods available, their strengths and weaknesses, and their applicability in various simulation scenarios. The book is also a practical implementation guide for the visual effects developer, offering a lean yet adequate synopsis of the underlying mathematical theory. Chapter 1 introduces the quantitative descriptions used to capture the deformation of elastic solids, the concept of strain energy, and discusses how force and stress result as a response to deformation. Chapter 2 reviews a number of constitutive models, i.e., analytical laws linking deformation to the resulting force that has successfully been used in various graphics-oriented simulation tasks. Chapter 3 summarizes how deformation and force can be computed discretely on a tetrahedral mesh, and how an implicit integrator can be structured around this discretization. Finally, chapter 4 presents the state of the art in model reduction techniques for real-time FEM solid simulation and discusses which techniques are suitable for which applications. Topics discussed in this chapter include linear modal analysis, modal warping, subspace simulation, and domain decomposition.

Visual Simulation of Deformable Models

Author : Michael Hauth
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (723 download)

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Book Synopsis Visual Simulation of Deformable Models by : Michael Hauth

Download or read book Visual Simulation of Deformable Models written by Michael Hauth and published by . This book was released on 2004 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Physically-Based Modeling for Computer Graphics

Author : Ronen Barzel
Publisher : Morgan Kaufmann
ISBN 13 : 0080916449
Total Pages : 359 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Physically-Based Modeling for Computer Graphics by : Ronen Barzel

Download or read book Physically-Based Modeling for Computer Graphics written by Ronen Barzel and published by Morgan Kaufmann. This book was released on 2013-10-22 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physically-Based Modeling for Computer Graphics: A Structured Approach addresses the challenge of designing and managing the complexity of physically-based models. This book will be of interest to researchers, computer graphics practitioners, mathematicians, engineers, animators, software developers and those interested in computer implementation and simulation of mathematical models. Presents a philosophy and terminology for "Structured Modeling" Includes mathematicl and programming techniques to support and implement the methodology Covers a library of model components, including rigid-body kinematics, rigid-body dynamics, and force-based constraint methods Includes illustrations of several ample models created from these components Foreword by Al Barr

Computer Animation and Simulation 2001

Author : Nadia Magnenat-Thalmann
Publisher : Springer Science & Business Media
ISBN 13 : 3709162408
Total Pages : 205 pages
Book Rating : 4.7/5 (91 download)

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Book Synopsis Computer Animation and Simulation 2001 by : Nadia Magnenat-Thalmann

Download or read book Computer Animation and Simulation 2001 written by Nadia Magnenat-Thalmann and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the research papers presented at the 12th Eurographics Workshop on Computer Animation and Simulation, Manchester, UK, September 2-3, 2001. The workshop is an international forum for research in computer-animation and simulation. This year, we choose to give a special focus on the modelling and animation of complex phenomena. This includes the modelling of virtual creature- from their body-parts to the control of their behavior, and the animation of natural phenomena such as water, smoke, fire and vegetation. The call for papers required submission of the full papers for review, and each paper was reviewed by at least 2 members of the international program committee and additional reviewers. Based on the reviews, 16 papers were accepted. We added to the final program an invited talk by Jos Stam. We wish to thank all reviewers for their time and effort in working within the rigid constraints of the tight schedule, thereby making it possible to publish this volume in time for the workshop. We also thank the authors for their contributions to the workshop, without whom this unique forum for animation and simulation work would not exist.

Real-time Simulation and Visualization of Deformable Objects

Author : Joachim Georgii
Publisher : GRIN Verlag
ISBN 13 : 3640131568
Total Pages : 206 pages
Book Rating : 4.6/5 (41 download)

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Book Synopsis Real-time Simulation and Visualization of Deformable Objects by : Joachim Georgii

Download or read book Real-time Simulation and Visualization of Deformable Objects written by Joachim Georgii and published by GRIN Verlag. This book was released on 2008-08 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Doctoral Thesis / Dissertation from the year 2007 in the subject Computer Science - Applied, grade: 1,0, Technical University of Munich (Institut für Informatik), 169 entries in the bibliography, language: English, abstract: In this thesis, I present a framework for physical simulation and visualization of deformable volumetric bodies in real time. Based on the implicit finite element method a multigrid approach for the efficient numerical simulation of elastic materials has been developed. Due to the optimized implementation of the multigrid scheme, 200,000 elements can be simulated at a rate of 10 time steps per second. The approach enables realistic and numerically stable simulation of bodies that are described by tetrahedral or hexahedral grids. It can efficiently simulate heterogeneous bodies-i.e., bodies that are composed of material with varying stiffness-and includes linear as well as non-linear material laws. To visualize deformable bodies, a novel rendering method has been developed on programmable graphics hardware. It includes the efficient rendering of surfaces as well as interior volumetric structures. Both the physical simulation framework and the rendering approach have been integrated into a single simulation support system. Thereby, available communication bandwidths have been efficiently exploited. To enable the use of the system in practical applications, a novel approach for collision detection has been included. This approach allows one to handle geometries that are deformed or even created on the graphical subsystem.

Geometrically and Physically Based Modeling for Deformable Objects Simulating Soft Tissue Interactions in Surgery Environments

Author : Sukitti Punak
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (662 download)

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Book Synopsis Geometrically and Physically Based Modeling for Deformable Objects Simulating Soft Tissue Interactions in Surgery Environments by : Sukitti Punak

Download or read book Geometrically and Physically Based Modeling for Deformable Objects Simulating Soft Tissue Interactions in Surgery Environments written by Sukitti Punak and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: This dissertation contributes a method for modeling deformable objects that leverages computer graphics techniques and state-of-the-art hardware to simulate and visualize deformations, including topological transformations like cutting, in real time. The resulting models are suitable for interactive surgical simulation for illustration and teaching purposes. The approach has been tested, in particular, by modeling responsive fatty tissue. To support force feedback as well as visual feedback, the deformable object consists of three closely coupled representations for dynamic response, collision detection, and visualization. All three representations are implemented on the Graphics Processing Unit, rather than on the CPU, to leverage parallelism for speed.

Simulating Humans

Author : Norman I. Badler
Publisher : Oxford University Press, USA
ISBN 13 : 0195073592
Total Pages : 287 pages
Book Rating : 4.1/5 (95 download)

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Book Synopsis Simulating Humans by : Norman I. Badler

Download or read book Simulating Humans written by Norman I. Badler and published by Oxford University Press, USA. This book was released on 1993-09-02 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: The area of simulated human figures is an active research area in computer graphics, and Norman Badler's group at the University of Pennsylvania is one of the leaders in the field. This book summarizes the state of the art in simulating human figures, discusses many of the interesting application areas, and makes some assumptions and predictions about where the field is going.

Collision Response Analysis and Fracture Simulation of Deformable Objects for Computer Graphics

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (654 download)

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Book Synopsis Collision Response Analysis and Fracture Simulation of Deformable Objects for Computer Graphics by :

Download or read book Collision Response Analysis and Fracture Simulation of Deformable Objects for Computer Graphics written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Computer Animation is a sub-field of computer graphics with an emphasis on the time-dependent description of interested events. It has been used in many disciplines such as entertainment, scientific visualization, industrial design, multimedia, etc. Modeling of deformable objects in a dynamic interaction and/or fracture process has been an active research topic in the past decade. The main objective of this thesis is to provide a new effective approach to address the dynamic interaction and fracture simulation. With respect to the dynamic interaction between deformable objects, this thesis proposes a new semi-explicit local collision response analysis (CRA) algorithm which is better than most of previous approaches in three aspects: computational efficiency, accuracy mid generality. The computational cost of the semi-explicit local CRA algorithm is guaranteed to be O('n') for each time step, which is especially desirable for the collision response analysis of complex systems. With the use of the Lagrange multiplier method, the send-explicit local CPA algorithm avoids shortcomings associated with the penalty method and provides an accurate description of detailed local deformation during a collision process. The generic geometric constraint and the Gauss-Seidel iteration for enforcing the loading constraint such as Coulomb friction law make the semi-explicit local CRA algorithm to be general enough to handle arbitrary oblique collisions. The experimental results indicate that the semi-explicit local CRA approach is capable of capturing all the key features during collision of deformable objects and matches closely with the theoretical solution of a classic collision problem in solid mechanics. In the fracture simulation, a new element-split method is proposed, which has a sounder mechanical basis than previous approaches in computer graphics and is more flexible to accommodate different material fracture criteria such that different failure patterns are obtained acco.

Fluid Simulation for Computer Graphics

Author : Robert Bridson
Publisher : CRC Press
ISBN 13 : 1482232847
Total Pages : 269 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Fluid Simulation for Computer Graphics by : Robert Bridson

Download or read book Fluid Simulation for Computer Graphics written by Robert Bridson and published by CRC Press. This book was released on 2015-09-18 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical introduction, the second edition of Fluid Simulation for Computer Graphics shows you how to animate fully three-dimensional incompressible flow. It covers all the aspects of fluid simulation, from the mathematics and algorithms to implementation, while making revisions and updates to reflect changes in the field since the first edition. Highlights of the Second Edition New chapters on level sets and vortex methods Emphasizes hybrid particle–voxel methods, now the industry standard approach Covers the latest algorithms and techniques, including: fluid surface reconstruction from particles; accurate, viscous free surfaces for buckling, coiling, and rotating liquids; and enhanced turbulence for smoke animation Adds new discussions on meshing, particles, and vortex methods The book changes the order of topics as they appeared in the first edition to make more sense when reading the first time through. It also contains several updates by distilling author Robert Bridson’s experience in the visual effects industry to highlight the most important points in fluid simulation. It gives you an understanding of how the components of fluid simulation work as well as the tools for creating your own animations.

Cloth Simulation for Computer Graphics

Author : Tuur Stuyck
Publisher : Morgan & Claypool Publishers
ISBN 13 : 1681734125
Total Pages : 123 pages
Book Rating : 4.6/5 (817 download)

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Book Synopsis Cloth Simulation for Computer Graphics by : Tuur Stuyck

Download or read book Cloth Simulation for Computer Graphics written by Tuur Stuyck and published by Morgan & Claypool Publishers. This book was released on 2018-08-24 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physics-based animation is commonplace in animated feature films and even special effects for live-action movies. Think about a recent movie and there will be some sort of special effects such as explosions or virtual worlds. Cloth simulation is no different and is ubiquitous because most virtual characters (hopefully!) wear some sort of clothing. The focus of this book is physics-based cloth simulation. We start by providing background information and discuss a range of applications. This book provides explanations of multiple cloth simulation techniques. More specifically, we start with the most simple explicitly integrated mass-spring model and gradually work our way up to more complex and commonly used implicitly integrated continuum techniques in state-of-the-art implementations. We give an intuitive explanation of the techniques and give additional information on how to efficiently implement them on a computer. This book discusses explicit and implicit integration schemes for cloth simulation modeled with mass-spring systems. In addition to this simple model, we explain the more advanced continuum-inspired cloth model introduced in the seminal work of Baraff and Witkin [1998]. This method is commonly used in industry. We also explain recent work by Liu et al. [2013] that provides a technique to obtain fast simulations. In addition to these simulation approaches, we discuss how cloth simulations can be art directed for stylized animations based on the work of Wojtan et al. [2006]. Controllability is an essential component of a feature animation film production pipeline. We conclude by pointing the reader to more advanced techniques.

Modified Mass-spring System for Physically Based Deformation Modeling

Author : Oussama Jarrousse
Publisher : KIT Scientific Publishing
ISBN 13 : 3866447426
Total Pages : 244 pages
Book Rating : 4.8/5 (664 download)

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Book Synopsis Modified Mass-spring System for Physically Based Deformation Modeling by : Oussama Jarrousse

Download or read book Modified Mass-spring System for Physically Based Deformation Modeling written by Oussama Jarrousse and published by KIT Scientific Publishing. This book was released on 2014-09 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mass-spring systems are considered the simplest and most intuitive of all deformable models. They are computationally efficient, and can handle large deformations with ease. But they suffer several intrinsic limitations. In this book a modified mass-spring system for physically based deformation modeling that addresses the limitations and solves them elegantly is presented. Several implementations in modeling breast mechanics, heart mechanics and for elastic images registration are presented.

Articulated Motion and Deformable Objects

Author : Francisco José Perales
Publisher : Springer
ISBN 13 : 3319417789
Total Pages : 229 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Articulated Motion and Deformable Objects by : Francisco José Perales

Download or read book Articulated Motion and Deformable Objects written by Francisco José Perales and published by Springer. This book was released on 2016-07-06 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 9th International Conference on Articulated Motion and Deformable Objects, AMDO 2016, held in Palma de Mallorca, Spain, in July 2016.The 20 papers presented were carefully reviewed and selected from 34 submissions. The conference dealt with the following topics: advanced computer graphics and immersive videogames; human modeling and animation; human motion analysis and tracking; 3D human reconstruction and recognition; multimodal user interaction and applications; ubiquitous and social computing; design tools; input technology; programming user interfaces; 3D medical deformable models and visualization; deep learning methods for computer vision and graphics; multibiometric.

Real-time Knowledge-based Fuzzy Logic Model for Soft Tissue Deformation

Author : Joey Sing Yee Tan
Publisher : Springer
ISBN 13 : 3030155854
Total Pages : 88 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Real-time Knowledge-based Fuzzy Logic Model for Soft Tissue Deformation by : Joey Sing Yee Tan

Download or read book Real-time Knowledge-based Fuzzy Logic Model for Soft Tissue Deformation written by Joey Sing Yee Tan and published by Springer. This book was released on 2019-04-06 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a real-time and knowledge-based fuzzy logic model for soft tissue deformation. The demand for surgical simulation continues to grow, as there is a major bottleneck in surgical simulation designation and every patient is unique. Deformable models, the core of surgical simulation, play a crucial role in surgical simulation designation. Accordingly, this book (1) presents an improved mass spring model to simulate soft tissue deformation for surgery simulation; (2) ensures the accuracy of simulation by redesigning the underlying Mass Spring Model (MSM) for liver deformation, using three different fuzzy knowledge-based approaches to determine the parameters of the MSM; (3) demonstrates how data in Central Processing Unit (CPU) memory can be structured to allow coalescing according to a set of Graphical Processing Unit (GPU)-dependent alignment rules; and (4) implements heterogeneous parallel programming for the distribution of grid threats for Computer Unified Device Architecture (CUDA)-based GPU computing.

Deformation Models

Author : Manuel González Hidalgo
Publisher : Springer Science & Business Media
ISBN 13 : 9400754469
Total Pages : 301 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Deformation Models by : Manuel González Hidalgo

Download or read book Deformation Models written by Manuel González Hidalgo and published by Springer Science & Business Media. This book was released on 2012-10-29 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: The computational modelling of deformations has been actively studied for the last thirty years. This is mainly due to its large range of applications that include computer animation, medical imaging, shape estimation, face deformation as well as other parts of the human body, and object tracking. In addition, these advances have been supported by the evolution of computer processing capabilities, enabling realism in a more sophisticated way. This book encompasses relevant works of expert researchers in the field of deformation models and their applications. The book is divided into two main parts. The first part presents recent object deformation techniques from the point of view of computer graphics and computer animation. The second part of this book presents six works that study deformations from a computer vision point of view with a common characteristic: deformations are applied in real world applications. The primary audience for this work are researchers from different multidisciplinary fields, such as those related with Computer Graphics, Computer Vision, Computer Imaging, Biomedicine, Bioengineering, Mathematics, Physics, Medical Imaging and Medicine.

Physics-based Animation

Author : Kenny Erleben
Publisher :
ISBN 13 : 9781584503804
Total Pages : 817 pages
Book Rating : 4.5/5 (38 download)

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Book Synopsis Physics-based Animation by : Kenny Erleben

Download or read book Physics-based Animation written by Kenny Erleben and published by . This book was released on 2005 with total page 817 pages. Available in PDF, EPUB and Kindle. Book excerpt: The booming computer games and animated movie industries continue to drive the graphics community's seemingly insatiable search for increased realism, believability, ad speed. To achieve the quality expected by audiences of today's games and movies, programmers need to understand and implement physics-based animation. To provide this understanding, this book is written to teach students and practitioners and theory behind the mathematical models and techniques required for physics-based animation. It does not teach the basic principles of animation, but rather how to transform theoretical techniques into practical skills. It details how the mathematical models are derived from physical and mathematical principles, and explains how these mathematical models are solved in an efficient, robust, and stable manner with a computer. This impressive and comprehensive volume covers all the issues involved in physics-based animation, including collision detection, geometry, mechanics, differential equations, matrices, quaternions, and more. There is excellent coverage of collision detection algorithms and a detailed overview of a physics system. In addition, numerous examples are provided along with detailed pseudo code for most of the algorithms. This book is ideal for students of animation, researchers in the field, and professionals working in the games and movie industries. Topics Covered: * The Kinematics: Articulated Figures, Forward and Inverse Kinematics, Motion Interpolation * Multibody Animation: Particle Systems, Continuum Models with Finite Differences, the Finite Element Method, Computational Fluid Dynamics * Collision Detection: Broad and Narrow Phase Collision Detection, Contact Determination, Bounding Volume Hierarchies, Feature-and Volume-Based Algorithms