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26th Annual Computational Neuroscience Meeting (CNS*2017) of the Organization for Computational Neuroscience Antwerp, Belgium, July 15-20, 2017

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BMC NEUROSCIENCE 2017年第SUPPL 1期18卷 59-59页

作者： [Anonymous] Indiana University Purdue University Indianapolis Indianapolis IN 46032 USA Stark Neurosciences Research Institute Indiana University School of Medicine Indianapolis IN 46032 USA Department of Mathematics East Carolina University Greenville NC 27858 USA Jülich Supercomputing Centre Forschungszentrum Jülich 52425 Jülich Germany Future Systems Swiss National Supercomputing Centre 8092 Zurich Switzerland User Engagement and Support Swiss National Supercomputing Centre 6900 Lugano Switzerland Institut de Neurosciences des Systèmes Aix Marseille Univ 13005 Marseille France Simulation Lab Neuroscience Forschungszentrum Jülich Jülich Germany Department of Experimental Psychology Ghent University 9000 Ghent Belgium Donders Center for Cognitive Neuroimaging Radboud University 6525HR Nijmegen The Netherlands Department of Electrical Computer and Energy Engineering University of Colorado Boulder CO 80309 USA Department of Neurosurgery Johns Hopkins School of Medicine Baltimore MD 21287 USA Department of Neurology Johns Hopkins School of Medicine Baltimore MD 21287 USA Department of Otolaryngology Johns Hopkins School of Medicine Baltimore MD 21287 USA INSERM U968 Paris France Sorbonne Universités UPMC University Paris 06 UMR_S 968 Institut de la Vision Paris France CNRS UMR_7210 Paris France Department of Computer Architecture and Technology University of Granada (CITIC) Granada Spain Sorbonne Universités UPMC Univ Paris 06 INSERM CNRS Institut de la Vision Paris France Department of Adaptive Machine Systems Osaka University Osaka Japan Department of Computer Science University of Cergy-Pontoise Cergy-Pontoise France Department of Physics and Astronomy College of Charleston Charleston SC 29424 USA School of Physics Faculty of Science University of Sydney Sydney NSW 2006 Australia Center of Excellence for Integrative Brain Function Australian Research Council Sydney Australia Max Planck Institute for Human Cognitive and Brain Sciences Saxony Lei

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Path planning for coherent and persistent groups

Path planning for coherent and persistent groups

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IEEE International Conference on Robotics and Automation (ICRA)

作者： Tianyu Huang Mubbasir Kapadia Norman I. Badler Marcelo Kallmann School of Software Beijing Institute of Technology Beijing China Center for Human Modeling and Simulation University of Pennsylvania Philadelphia PA USA School of Engineering and Applied Science University of Pennsylvania Philadelphia PA USA School of Engineering University of California Merced CA USA

This paper addresses the problem of group path planning while maintaining group coherence and persistence. Group coherence ensures that a group minimizes both longitudinal and lateral dispersion, and is achieved with the introduction of a deformation penalty to the cost formulation. When the deformation penalty is significantly high, a group may split and later merge. Group persistence is modeled by introducing split and merge actions in the action space, and adding a split penalty to the cost measure. We formulate the problem domain (state, action space, and cost formulation), present our path planning approach for coherent and persistent groups, and provide empirical results demonstrating the capabilities of our method on a variety of challenging scenarios.

关键词： Coherence Shape Path planning Educational institutions Merging Dispersion Deformable models

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Perceptually realistic behavior through alibi generation

Perceptually realistic behavior through alibi generation

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6th AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment, AIIDE 2010

作者： Sunshine-Hill, Ben Badler, Norman I. Computer and Information Science Department Center for Human Modeling and Simulation University of Pennsylvania United States

ISBN: (纸本)9781577354789

Real-Time pedestrian simulation for open-world games involves aggressive behavior simplification and culling to keep computational cost under control, but it is diffficult to predict whether these techniques will become unrealistic in certain situations. We propose a method of perceptually simulating highly realistic pedestrian behavior in virtual cities in realtime. Designers build a highly realistic simulation, from which a perceptually identical "perceptual simulation" is generated. Although the perceptual simulation simulates only a small portion of the world at a time, and does so with inexpensive approximations, it can be statistically guaranteed that the results are perceptually indistinguishable from those of the original simulation. Copyright © 2010, Association for the Advancement of Artificial.

关键词： Artificial intelligence

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Evaluation of American sign language generation by native ASL signers

Evaluation of American sign language generation by native AS...

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作者： Huenerfauth, Matt Zhao, Liming Gu, Erdan Allbeck, Jan Computer Science Department CUNY Queens College City University of New York 65-30 Kissena Blvd Flushing NY 11375 United States Center for Human Modeling and Simulation University of Pennsylvania 3401 Walnut St Philadelphia PA 19104 United States

There are many important factors in the design of evaluation studies for systems that generate animations of American Sign Language (ASL) sentences, and techniques for evaluating natural language generation of written texts are not easily adapted to ASL. When conducting user-based evaluations, several cultural and linguistic characteristics of members of the American Deaf community must be taken into account so as to ensure the accuracy of evaluations involving these users. This article describes an implementation and user-based evaluation (by native ASL signers) of a prototype ASL natural language generation system that produces sentences containing classifier predicates, which are frequent and complex spatial phenomena that previous ASL generators have not produced. Native signers preferred the system's output to Signed English animations - scoring it higher in grammaticality, understandability, and naturalness of movement. They were also more successful at a comprehension task after viewing the system's classifier predicate animations. © 2008 ACM.

关键词： Natural language processing systems

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The S & T eco-system: Pressures from kindergarten to globalization

The S & T eco-system: Pressures from kindergarten to globali...

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2008 ASEE Annual Conference and Exposition

作者： Richey, Michael Newton, Paul Stephens, Rick Backus, George McPherson, Barry Boeing Company FAA AMTAS Center of Excellent University of Washington A and A Department Aircraft Structures Composite and Manufacturing Certificate Programs Modeling and Simulation Group Strategic Projects and Analysis Boeing Company Complex Systems Analysis and Simulation Group Phantom Works Boeing Company Human Resources and Administration Boeing Company University of Southern California Department of Healthcare Orange County Business Council Sandia National Labs. Exploratory Simulation Department Sandia National Laboratories Boeing - Learning Training and Development

The National Academies' 2007 report "Rising Above the Gathering Storm": Energizing and Employing America for a Brighter Economic Future," was a response to a bipartisan request by Congress. It proposes a coordinated set of policy actions consisting of four recommendations and twenty specific actions to "enhance the science and technology (S&T) enterprise so that the United States can successfully compete, prosper, and be secure in the global community of the 21st century." Early chapters of the report describe the authors' perceptions of the structure and behavior of the S&T eco-system that led to the report's recommended set of policy actions. The S&T eco-system structure in the report includes global forces that affect U.S. employment;U.S. K-12 education, higher education, corporate research, and federal funding for physical sciences and engineering research;U.S. reactions to 9/11 including visa policies, export controls, and sensitive but unclassified information;as well as underlying U.S. attitudes that influence the behavior of these structures. This report has become the nucleation point for the broad debate on the future of US prosperity and its international policy ramifications. Formal simulation of the logic within the report can test the validity and efficacy of proposed measures. This paper utilizes the report to illustrate a method for assessing 1) the reality of the hypothesized problem, 2) proposed solutions, and 3) the most promising areas of future discourse. The conceptual model described herein attempts to simulate general tendency behaviors and is not intended to capture the complete science and technology ecosystem. Instead it is the authors' intent to describe the learning opportunity by first modeling the relevant "whole" system with a very broad brush, and then co-develop with other industry, academic, and government stakeholders, a causal structure which captures the relevant system in more detail. Such a multi-stakeholder co-development mod

关键词： Engineering education

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Generating plausible individual agent movements from spatio-temporal occupancy data

Generating plausible individual agent movements from spatio-...

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2007 Workshop on Massive Datasets, MD '07

作者： Sunshine-Hill, Ben Allbeck, Jan Pelechano, Nuria Badler, Norm Center for Human Modeling and Simulation University of Pennsylvania Philadelphia PA 19104-6389 United States

ISBN: (纸本)9781595938718

We introduce the Spatio-Temporal Agent Motion Model, a data-driven representation of the behavior and motion of individuals within a space over the course of a day. We explore different representations for this model, incorporating different modes of individual behavior, and describe how crowd simulations can use this model as source material for dynamic and realistic behaviors. © 2007 ACM.

关键词： Interactive computer graphics

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Synthesis of 3D faces using region-based morphing under intuitive control

Synthesis of 3D faces using region-based morphing under intu...

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作者： Zhang, Yu Badler, Norman I. Center for Human Modeling and Simulation Computer and Information Science Department University of Pennsylvania Philadelphia PA 19104-6389 United States Computer and Information Science Department University of Pennsylvania IEEE Computer Society ACM SIGGRAPH Department of Computer and Information Science University of Pennsylvania

This paper presents a new region-based method for automatically synthesizing varied, natural looking 3D human face models by morphing local facial features according to intuitive control parameters. We automatically compute a one-to-one vertex correspondence among the unregistered face scans in a large database by deforming a generic mesh to fit the specific person's face geometry in a global-to-local fashion. With the obtained correspondence, we transform the generated data sets of feature shapes into vector space representations. We parameterize the example models using the face anthropometric measurements that reflect the facial physical structure, and predefine the interpolation functions for the parameterized example models based on radial basis functions. At runtime, the interpolation functions are evaluated to efficiently generate the appropriate feature shape by taking the anthropometric parameters as input. We use a shape blending approach for generating a seamlessly deformed mesh around the feature region boundary. The correspondence among all example textures is established by parameterizing the 3D generic mesh over a 2D image domain. The new feature texture with desired attributes is synthesized by interpolating the example textures. Our 3D face synthesis method has several advantages: (1) it regulates the naturalness of synthesized faces, maintaining the quality existing in the real face examples;(2) the region-based morphing and comprehensive face shape and texture control parameters allow more diverse faces to be generated readily;and (3) the automatic runtime face synthesis is efficient in time complexity and performs fast. Copyright © 2006 John Wiley & Sons, Ltd.

关键词： Face recognition

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Applying empirical data on upper torso movement to real-time collision-free reach tasks

Applying empirical data on upper torso movement to real-time...

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Digital human modeling for Design and Engineering Symposium

作者： Zhao, Liming Liu, Ying Badler, Norman I. Center for Human Modeling and Simulation University of Pennsylvania United States

Simulating human reach is still challenging when considering complex interactions with the environment. Standard approaches involve inverse kinematics (IK) methods and usually require a complete but exponential cost search in configuration space. In ergonomic applications, both "naturalness" and interactive performance are important. We describe a real-time, collision-free, sternum-rooted IK solution for an articulated human figure based on motion capture data, human strength models, and multi-joint coordination functions. Movement paths are discovered through spatial search in a partitioned workspace. The system generates natural collision-free reach motions in real-time. The resulting animations and statistics demonstrate the efficacy of this approach. Copyright © 2005 SAE International.

关键词： Inverse kinematics

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Embodied agents and meaningful motion

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2nd International Conference on Technologies for Interactive Digital Storytelling and Entertainment, TIDSE 2004

作者： Badler, Norman I. Computer and Information Science Center for Human Modeling and Simulation University of Pennsylvania PhiladelphiaPA19104-6389 United States

ISBN: (纸本)3540222839

We examine motion realism in terms of salient communicative features. We argue that motion is amenable to a parameterization based on Laban Movement Analysis that yields real-time control over motion qualities, and that these qualities carry discernable and useful non-verbal information about the character’s personality or emotional state. © Springer-Verlag Berlin Heidelberg 2004.

关键词： Real time control

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Medical virtual reality simulation: Enhancing safety through practicing medicine without patients

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Biomedical Instrumentation and Technology 2004年第3期38卷 225-228页

作者： Scerbo, Mark W. Dept. of Human Factors Psychology Old Dominion University United States National Center for Collaboration Medical Modeling and Simulation Norfolk VA United States

No abstract available

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