Exploiting Quaternions To Support Expressive Interactive Character Motion
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Transactions On Computational Science Xvi
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Author :
language : en
Publisher: Springer
Release Date : 2012-07-25
Transactions On Computational Science Xvi written by and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-07-25 with Computers categories.
The LNCS journal Transactions on Computational Science reflects recent developments in the field of Computational Science, conceiving the field not as a mere ancillary science but rather as an innovative approach supporting many other scientific disciplines. The journal focuses on original high-quality research in the realm of computational science in parallel and distributed environments, encompassing the facilitating theoretical foundations and the applications of large-scale computations and massive data processing. It addresses researchers and practitioners in areas ranging from aerospace to biochemistry, from electronics to geosciences, from mathematics to software architecture, presenting verifiable computational methods, findings, and solutions and enabling industrial users to apply techniques of leading-edge, large-scale, high performance computational methods. The 16th issue of the Transactions on Computational Science journal contains 11 extended versions of selected papers from Cyberworlds 2011, held in Banff, AB, Canada, in October 2011. The topics span the areas of haptic modeling, shared virtual worlds, virtual reality, human-computer interfaces, e-learning in virtual collaborative spaces, multi-user web games, cybersecurity, social networking, and art and heritage in cyberspaces.
Exploiting Quaternions To Support Expressive Interactive Character Motion
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Author : Michael Patrick Johnson
language : en
Publisher:
Release Date : 2003
Exploiting Quaternions To Support Expressive Interactive Character Motion written by Michael Patrick Johnson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
A real-time motion engine for interactive synthetic characters, either virtual or physical, needs to allow expressivity and interactivity of motion in order to maintain the illusion of life. Canned animation examples from an animator or motion capture device are expressive, but not very interactive, often leading to repetition. Conversely, numerical procedural techniques such as Inverse Kinematics (IK) tend to be very interactive, but often appear "robotic" and require parameter tweaking by hand. We argue for the use of hybrid example-based learning techniques to incorporate expert knowledge of character motion in the form of animations into an interactive procedural engine. Example-based techniques require appropriate distance metrics, statistical analysis and synthesis primitives, along with the ability to blend examples; furthermore, many machine learning techniques are sensitive to the choice of representation. We show that a quaternion representation of the orientation of a joint affords us computational efficiency along with mathematical robustness, such as avoiding gimbal lock in the Euler angle representation. We show how to use quaternions and their exponential mappings to create distance metrics on character poses, perform simple statistical analysis of joint motion limits and blend multiple poses together. We demonstrate these joint primitives on three techniques which we consider useful for combining animation knowledge with procedural algorithms: 1) pose blending, 2) joint motion statistics and 3) expressive IK. We discuss several projects designed using these primitives and offer insights for programmers building real-time motion engines for expressive interactive characters.
Articulated Motion And Deformable Objects
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Author : Francisco J. Perales
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-07
Articulated Motion And Deformable Objects written by Francisco J. Perales and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-07 with Computers categories.
This book constitutes the refereed proceedings of the 5th International Conference on Articulated Motion and Deformable Objects, AMDO 2008, held in Port d'Andratx, Mallorca, Spain, in July 2008. The 36 revised full papers and 7 poster papers presented were carefully reviewed and selected from 64 submissions. The papers are organized in topical section on computer graphics: human modelling and animation, human motion: analysis, tracking, 3D reconstruction and recognition, multimodal user interaction: VR and ar, speech, biometrics, and advanced multimedia systems: standards, indexed video contents.
Motion In Games
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Author : Ronan Boulic
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-11-04
Motion In Games written by Ronan Boulic and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-04 with Computers categories.
Motion plays a crucial role in computer games.
Advanced Concepts For Intelligent Vision Systems
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Author : Jaques Blanc-Talon
language : en
Publisher: Springer
Release Date : 2011-09-06
Advanced Concepts For Intelligent Vision Systems written by Jaques Blanc-Talon and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-06 with Computers categories.
This book constitutes the refereed proceedings of the 13th International Conference on Advanced Concepts for Intelligent Vision Systems, ACIVS 2011, held in Ghent, Belgium, in August 2011. The 66 revised full papers presented were carefully reviewed and selected from 124 submissions. The papers are organized in topical sections on classification recognition, and tracking, segmentation, images analysis, image processing, video surveillance and biometrics, algorithms and optimization; and 3D, depth and scene understanding.
Entertainment Computing Icec 2006
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Author : Matthias Rauterberg
language : en
Publisher: Springer
Release Date : 2006-10-01
Entertainment Computing Icec 2006 written by Matthias Rauterberg and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-10-01 with Computers categories.
This book constitutes the refereed proceedings of the 5th International Conference on Entertainment Computing, ICEC 2006. The 17 revised full papers, 17 revised short papers and 28 poster papers presented together with one keynote paper were carefully reviewed and selected. The papers are organized in topical sections on agents, cultural and psychological metrics, transforming broadcast experience, culture, place, play, display technology, authoring tools, object tracking, edutainment, and network games.
Computer Vision And Graphics
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Author : Leonard Bolc
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-09-09
Computer Vision And Graphics written by Leonard Bolc and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09-09 with Computers categories.
supporting the Conference.
Analysis Of Chaotic Behavior In Non Linear Dynamical Systems
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Author : Michał Piórek
language : en
Publisher: Springer
Release Date : 2018-07-12
Analysis Of Chaotic Behavior In Non Linear Dynamical Systems written by Michał Piórek and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-12 with Technology & Engineering categories.
This book presents a new approach for the analysis of chaotic behavior in non-linear dynamical systems, in which output can be represented in quaternion parametrization. It offers a new family of methods for the analysis of chaos in the quaternion domain along with extensive numerical experiments performed on human motion data and artificial data. All methods and algorithms are designed to allow detection of deterministic chaos behavior in quaternion data representing the rotation of a body in 3D space. This book is an excellent reference for engineers, researchers, and postgraduate students conducting research on human gait analysis, healthcare informatics, dynamical systems with deterministic chaos or time series analysis.
Intelligent Virtual Agents
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Author : Themis Panayiotopoulos
language : en
Publisher: Springer
Release Date : 2005-09-22
Intelligent Virtual Agents written by Themis Panayiotopoulos and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-09-22 with Computers categories.
The origin of the Intelligent Virtual Agents conference dates from a successful workshop on Intelligent Virtual Environments held in Brighton at the 13th European Conference on Artificial Intelligence (ECAI'98). This workshop was followed by a second one held in Salford in Manchester in 1999. Subsequent events took place in Madrid, Spain in 2001 and Irsee, Germany in 2003 and attracted participants from both sides of the Atlantic as well as Asia. th This volume contains the proceedings of the 5 International Working Conference on Intelligent Virtual Agents, IVA 2005, held on Kos Island, Greece, September 12–14, 2005, which highlighted once again the importance and vigor of the research field. A half-day workshop under the title “Socially Competent IVA’s: We are not alone in this (virtual) world!” also took place as part of this event. IVA 2005 received 69 submissions from Europe, North and South America, Africa and Asia. The papers published here are the 26 full papers and 14 short papers presented at the conference, as well as one-page descriptions of the 15 posters and the descriptions of the featured invited talks by Prof. Justine Cassell, of Northwestern University and Prof. Kerstin Dautenhahn, of the University of Hertfordshire. We would like to thank a number of people that have contributed to the success of this conference. First of all, we thank the authors for their high-quality work and their willingness to share their ideas.
Geometric Modeling And Processing Gmp 2006
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Author : Myung-Soo Kim
language : en
Publisher: Springer
Release Date : 2006-07-18
Geometric Modeling And Processing Gmp 2006 written by Myung-Soo Kim and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-07-18 with Computers categories.
This book constitutes the refereed proceedings of the 4th International Conference on Geometric Modeling and Processing, GMP 2006, held in Pittsburgh, PA, USA, July 2006. The book presents 36 revised full papers and 21 revised short papers addressing current issues in geometric modeling and processing are addressed. The papers are organized in topical sections on shape reconstruction, curves and surfaces, geometric processing, shape deformation, shape description, shape recognition, and more.