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Real Time Collision Detection

Author : Christer Ericson
ISBN : 9781558607323
Genre : Art
File Size : 47.52 MB
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Written by an expert in the game industry, Christer Ericson's new book is a comprehensive guide to the components of efficient real-time collision detection systems. The book provides the tools and know-how needed to implement industrial-strength collision detection for the highly detailed dynamic environments of applications such as 3D games, virtual reality applications, and physical simulators. Of the many topics covered, a key focus is on spatial and object partitioning through a wide variety of grids, trees, and sorting methods. The author also presents a large collection of intersection and distance tests for both simple and complex geometric shapes. Sections on vector and matrix algebra provide the background for advanced topics such as Voronoi regions, Minkowski sums, and linear and quadratic programming. Of utmost importance to programmers but rarely discussed in this much detail in other books are the chapters covering numerical and geometric robustness, both essential topics for collision detection systems. Also unique are the chapters discussing how graphics hardware can assist in collision detection computations and on advanced optimization for modern computer architectures. All in all, this comprehensive book will become the industry standard for years to come.
Category: Art

New Geometric Data Structures For Collision Detection And Haptics

Author : René Weller
ISBN : 9783319010205
Genre : Computers
File Size : 83.45 MB
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Starting with novel algorithms for optimally updating bounding volume hierarchies of objects undergoing arbitrary deformations, the author presents a new data structure that allows, for the first time, the computation of the penetration volume. The penetration volume is related to the water displacement of the overlapping region, and thus corresponds to a physically motivated and continuous force. The practicability of the approaches used is shown by realizing new applications in the field of robotics and haptics, including a user study that evaluates the influence of the degrees of freedom in complex haptic interactions. New Geometric Data Structures for Collision Detection and Haptics closes by proposing an open source benchmarking suite that evaluates both the performance and the quality of the collision response in order to guarantee a fair comparison of different collision detection algorithms. Required in the fields of computer graphics, physically-based simulations, computer animations, robotics and haptics, collision detection is a fundamental problem that arises every time we interact with virtual objects. Some of the open challenges associated with collision detection include the handling of deformable objects, the stable computation of physically-plausible contact information, and the extremely high frequencies that are required for haptic rendering. New Geometric Data Structures for Collision Detection and Haptics presents new solutions to all of these challenges, and will prove to be a valuable resource for researchers and practitioners of collision detection in the haptics, robotics and computer graphics and animation domains.
Category: Computers

Intelligent Autonomous Systems Ias 3

Author : F. C. A. Groen
ISBN : 9051991223
Genre : Science
File Size : 44.7 MB
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A collection of papers dealing with complete systems of intelligent robots, focusing on autonomy. The contributions cover intelligent perception, intelligent planning and control, and integrated systems.
Category: Science

Informatics In Control Automation And Robotics

Author : Jean-Louis Ferrier
ISBN : 9783319035000
Genre : Technology & Engineering
File Size : 21.25 MB
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This book includes extended and revised versions of a set of selected papers from the Ninth International Conference on Informatics in Control Automation and Robotics (ICINCO 2012), held in Rome, Italy, from 28 to 31 July 2012. The conference was organized in four simultaneous tracks: Intelligent Control Systems and Optimization, Robotics and Automation, Systems Modeling, Signal Processing and Control and Industrial Engineering, Production and Management. ICINCO 2012 received 360 paper submissions, from 58 countries in all continents. From these, after a blind review process, only 40 were accepted as full papers, of which 20 were selected for inclusion in this book, based on the classifications provided by the Program Committee. The selected papers reflect the interdisciplinary nature of the conference as well as the logic equilibrium between the four abovementioned tracks. The diversity of topics is an important feature of this conference, enabling an overall perception of several important scientific and technological trends.
Category: Technology & Engineering

3d Game Engine Design

Author : David H. Eberly
ISBN : 9781482267303
Genre : Art
File Size : 82.36 MB
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A major revision of the international bestseller on game programming! Graphics hardware has evolved enormously in the last decade. Hardware can now be directly controlled through techniques such as shader programming, which requires an entirely new thought process of a programmer. 3D Game Engine Design, Second Edition shows step-by-step how to make a shader-based graphics engine and how to tame the new technology. Much new material has been added, including more than twice the coverage of the essential techniques of scene graph management, as well as new methods for managing memory usage in the new generation of game consoles and portable game players. There are expanded discussions of collision detection, collision avoidance, and physics - all challenging subjects for developers.
Category: Art

Novel Algorithms And Techniques In Telecommunications Automation And Industrial Electronics

Author : Tarek Sobh
ISBN : 9781402087370
Genre : Technology & Engineering
File Size : 68.23 MB
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Novel Algorithms and Techniques in Telecommunications, Automation and Industrial Electronics includes a set of rigorously reviewed world-class manuscripts addressing and detailing state-of-the-art research projects in the areas of Industrial Electronics, Technology and Automation, Telecommunications and Networking. Novel Algorithms and Techniques in Telecommunications, Automation and Industrial Electronics includes selected papers form the conference proceedings of the International Conference on Industrial Electronics, Technology and Automation (IETA 2007) and International Conference on Telecommunications and Networking (TeNe 07) which were part of the International Joint Conferences on Computer, Information and Systems Sciences and Engineering (CISSE 2007).
Category: Technology & Engineering

Real Time Simulation And Visualization Of Deformable Objects

Author : Joachim Georgii
ISBN : 9783640131433
Genre : Computers
File Size : 85.52 MB
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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.
Category: Computers

Real Time Graphics

Author :
ISBN : UOM:39015058290340
Genre : Computer graphics
File Size : 34.1 MB
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Category: Computer graphics

Advances In Intelligent Autonomous Systems

Author : S.G. Tzafestas
ISBN : 0792355806
Genre : Technology & Engineering
File Size : 55.2 MB
Format : PDF
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This collection of twenty-three timely contributions covers a well-selected repertory of topics within the autonomous systems field. The book discusses a range of design, construction, control, and operation problems along with a multiplicity of well-established and novel solutions.
Category: Technology & Engineering

Network Based Vehicle Collision Detection And Simulation

Author : Liangshou Wu
ISBN : OCLC:61297071
Genre :
File Size : 43.93 MB
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Vehicle driving simulation, collision detection, and collision simulation of rigid bodies are not new in their corresponding literature, but the integration of all of these techniques is a challenging and interesting topic. Some special requirements arise when they are combined, especially when multiple vehicles, located at different places on a network, are involved in collision simulation. This thesis implements a network-based vehicle collision detection and response simulation system. This system has all the components that are required by vehicle driving simulation. It supports vehicle-to-scene and vehicle-to-vehicle collision detection and response simulation in real-time required by human-in-the-loop driving simulation. Additionally, it supports collaborative driving simulation for multiple vehicles in the same virtual environment operated from different physical locations. It provides consistent and realistic collision response for vehicles that collide. A network-based collision server is developed to accommodate vehicle-to-vehicle collision detection and response simulation. A general collision algorithm supplies consistent collision result for all collided vehicles. The method takes advantage of Open Scene Graph's (OSG) built-in collision detection functionality for vehicle-to-scene collision detection. For vehicle-vehicle collision detection, a two stage process is introduced which employs a bounding circle localization technique and Cohen-Sutherland clipping. A simple but realistic vehicle-to-vehicle and vehicle-to-scene collision simulation algorithm is developed with a friction model and a modified coefficient of restitution model, based on a vehicle collision simulation algorithm presented by Macmillan. Implementation testing shows that the network-based collision simulation system can provide a real-time, realistic, and robust system in a network with relatively small time lags delay, such as a LAN, a city network, and some inter-city networks. The implementation has demonstrated support for simultaneous collision simulation with up to 32 vehicles operating at reasonable speed in local area network.