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22nd Pacific Conference on computer Graphics and Applications, PG 2014

作者： Hong, Yang Wu, Wen Chen, Hui Department of Computer and Information Science Faculty of Science and Technology University of Macau China Department of Computer Science and Engineering The Chinese University of Hong Kong Hong Kong Beijing Key Lab of Human-Computer Interaction Institute of Software Chinese Academy of Science Beijing China

ISBN: (纸本)9783905674736

In this paper, a two-level parallel spatial hashing method is presented for real-time collision detection of deformable objects based on modern GPU architecture. The second-level of spatial hashing is used to improve the culling efficiency. Moreover, a novel encoding method on GPU is proposed to compensate the inflexibility of the GPU memory system. It can efficiently determine the colliding pairs of primitives between deformable objects. The experimental results show that our method can perform high culling efficiency with low memory cost. © The Eurographics Association 2014.

关键词： Graphics processing unit

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Glance Privacy: Obfuscating Personal Identity While Coding Behavioral Video 2

Glance Privacy: Obfuscating Personal Identity While Coding B...

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2nd AAAI Conference on human Computation and Crowdsourcing, HCOMP 2014

作者： Gordon, Mitchell Lasecki, Walter S. Leung, Winnie Lim, Ellen Dow, Steven P. Bigham, Jeffrey P. ROC HCI Computer Science Department University of Rochester United States Human Computer Interaction Institute Carnegie Mellon University United States

ISBN: (纸本)9781577356820

Behavioral researchers code video to extract systematic meaning from subtle human actions and emotions. While this has traditionally been done by analysts within a research group, recent methods have leveraged online crowds to massively parallelize this task and reduce the time required from days to seconds. However, using the crowd to code video increases the risk that private information will be disclosed because workers who have not been vetted will view the video data in order to code it. In this Work-in-Progress, we discuss techniques for maintaining privacy when using Glance to code video and present initial experimental evidence to support them. © HCOMP 2014. All rights reserved.

关键词： Video signal processing

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25th Annual Computational Neuroscience Meeting CNS-2016, Seogwipo City, South Korea, July 2-7, 2016 Abstracts

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BMC NEUROscience 2016年第1期17卷 1-112页

作者： [Anonymous] Computational Neurobiology Laboratory The Salk Institute for Biological Studies San Diego USA UNIC CNRS Gif sur Yvette France The European Institute for Theoretical Neuroscience (EITN) Paris France ATR Computational Neuroscience Laboratories Kyoto Japan Krembil Research Institute University Health Network Toronto Canada Department of Physiology University of Toronto Toronto Canada Department of Medicine (Neurology) University of Toronto Toronto Canada Department of Physics University of New Hampshire Durham USA Department of Neurophysiology Nencki Institute of Experimental Biology Warsaw Poland Department of Theory Wigner Research Centre for Physics of the Hungarian Academy of Sciences Budapest Hungary Department of Mathematical Sciences KAIST Daejoen Republic of Korea Department of Mathematics University of Houston Houston USA Department of Biochemistry & Cell Biology and Institute of Biosciences and Bioengineering Rice University Houston USA Department of Biology and Biochemistry University of Houston Houston USA Grupo de Neurocomputación Biológica Dpto. de Ingeniería Informática Escuela Politécnica Superior Universidad Autónoma de Madrid Madrid Spain Department of Biological Sciences University of Southern California Los Angeles USA Center for Neuroscience Korea Institute of Science and Technology Seoul South Korea Department of Neurology Albert Einstein College of Medicine Bronx USA Center for Neuroscience KIST Seoul South Korea Department of Neuroscience University of Science and Technology Daejon South Korea Systems Neuroscience Group QIMR Berghofer Medical Research Institute Herston Australia Department of Psychology Yonsei University Seoul South Korea Department of Psychiatry Kyung Hee University Hospital at Gangdong Seoul South Korea Department of Psychiatry Veterans Administration Boston Healthcare System and Harvard Medical School Brockton USA Department of Electrical and Electronic Engineering The University of Melbourne Parkvil

A1 Functional advantages of cell-type heterogeneity in neural circuits Tatyana O. Sharpee A2 Mesoscopic modeling of propagating waves in visual cortex Alain Destexhe A3 Dynamics and biomarkers of mental disorders Mitsuo Kawato F1 Precise recruitment of spiking output at theta frequencies requires dendritic h-channels in multi-compartment models of oriens-lacunosum/moleculare hippocampal interneurons Vladislav Sekulić, Frances K. Skinner F2 Kernel methods in reconstruction of current sources from extracellular potentials for single cells and the whole brains Daniel K. Wójcik, Chaitanya Chintaluri, Dorottya Cserpán, Zoltán Somogyvári F3 The synchronized periods depend on intracellular transcriptional repression mechanisms in circadian clocks. Jae Kyoung Kim, Zachary P. Kilpatrick, Matthew R. Bennett, Kresimir Josić O1 Assessing irregularity and coordination of spiking-bursting rhythms in central pattern generators Irene Elices, David Arroyo, Rafael Levi, Francisco B. Rodriguez, Pablo Varona O2 Regulation of top-down processing by cortically-projecting parvalbumin positive neurons in basal forebrain Eunjin Hwang, Bowon Kim, Hio-Been Han, Tae Kim, James T. McKenna, Ritchie E. Brown, Robert W. McCarley, Jee Hyun Choi O3 Modeling auditory stream segregation, build-up and bistability James Rankin, Pamela Osborn Popp, John Rinzel O4 Strong competition between tonotopic neural ensembles explains pitch-related dynamics of auditory cortex evoked fields Alejandro Tabas, André Rupp, Emili Balaguer-Ballester O5 A simple model of retinal response to multi-electrode stimulation Matias I. Maturana, David B. Grayden, Shaun L. Cloherty, Tatiana Kameneva, Michael R. Ibbotson, Hamish Meffin O6 Noise correlations in V4 area correlate with behavioral performance in visual discrimination task Veronika Koren, Timm Lochmann, Valentin Dragoi, Klaus Obermayer O7 Input-location dependent gain modulation in cerebellar nucleus neurons Maria Psarrou, Maria Schilstra, Neil Davey, Benjamin Torben-Ni

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An Embodied Real-Time Model of Language-Guided Incremental Visual Search 36

An Embodied Real-Time Model of Language-Guided Incremental V...

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36th Annual Meeting of the Cognitive science Society, CogSci 2014

作者： Scheutz, Matthias Krause, Evan Sadeghi, Sepideh Human-Robot Interaction Laboratory Department of Computer Science Tufts University MedfordMA02155 United States

ISBN: (纸本)9780991196708

A recent body of work has demonstrated that the incremental presentations of linguistic search cues can speed up visual processing in conjunctive visual search. In this paper, we investigate different processing configurations using a real-time embodied computational model and demonstrate that, different from previous hypotheses, the same incremental processing configuration can explain all experimental conditions. © 2014 Proceedings of the 36th Annual Meeting of the Cognitive science Society, CogSci 2014. All rights reserved.

关键词： Visual languages

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The Effect of Text Color and Background Color on Skim Reading Webpages in Thai

The Effect of Text Color and Background Color on Skim Readin...

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作者： Kamollimsakul, Sorachai Petrie, Helen Power, Christopher Human Computer Interaction Research Group Department of Computer Science University of York United Kingdom School of Information Technology Suranaree University of Technology Thailand

There are many sets of guidelines concerning the accessibility of the web for older adults, but little empirical evidence from studies with older people to support their recommendations. In addition, all the recommendations apply to text in languages using the Latin alphabet. This study investigated the effects of text color and background color on the performance and preferences of younger and older adults on webpages in the Thai language. There were 18 Thai younger participants (19 - 29 years) and 18 Thai older participants (59 - 70 years). There were three combinations of text color and color (black text on white background, white text on black background, and sepia text on off-white background). The text and background color combinations failed to have any significant effects on the performance measures of task completion rate or time spent skim reading webpages. However, for the preference measure, there was a significant difference between combinations of text and background color but no differences between the age groups. There was also a significant interaction between combinations of text and background color and age group. These results form an useful basis for web design guidelines for Thai websites for text and background color for both younger and older users. © Springer International Publishing Switzerland 2014.

关键词： Color

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Machine-to-machine interaction based on remote 3D arm pointing using single RGBD camera

Machine-to-machine interaction based on remote 3D arm pointi...

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Advanced Technologies, Embedded and Multimedia for human-Centric Computing, humanCom and EMC 2013

作者： Shih, Huang-Chia Liu, En-Rui Human-Computer Interaction Multimedia Lab. Department of Electrical Engineering Yuan Ze University Taoyuan Taiwan

ISBN: (纸本)9789400772618

In this paper, we propose a prototype of machine-to-machine interaction system using a single RGBD camera. Based on the 3D arm pointing and tracking algorithm, system enables user to select multiple objects using their two arms, without infrared remote controller and wireless transmitter. A fast gesture recognition method is used to identify the instruction assignment for the target objects. The system consists of three modules, including image capturing module, 3D arm pointing and target tracking module, and interaction module. The image capture module use the RGBD camera installed behind of user to capture the arm parameters in real-world space. The pointing and tracking algorithm is referred to the environmental information to establish the master and slave objects. For interaction module, the command gesture is determined by the gesture recognition, interacting with target devices by the decoded instruction. Finally, system generates a control signal for triggering the master object to communicate with the slave object according to the fetched the instruction. © Springer science+Business Media Dordrecht 2014.

关键词： human computer interaction

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AskSheet: Efficient human computation for decision making with spreadsheets 14

AskSheet: Efficient human computation for decision making wi...

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17th ACM Conference on computer Supported Cooperative Work and Social Computing, CSCW 2014

作者： Quinn, Alexander J. Bederson, Benjamin B. University of Maryland College Park Human-Computer Interaction Lab United States Computer Science United States Institute for Advanced Computer Studies College Park MD 20740 United States

ISBN: (纸本)9781450325400

The wealth of resources online has empowered individuals and businesses with an unprecedented volume of information to aid in decision making processes. However, finding the many details needed for a non-trivial decision can be very labor-intensive. We present AskSheet, a general system that leverages human computation to acquire the inputs to an arbitrary decision spreadsheet provided by the user. The key innovation is the ability to prioritize the inputs by analyzing the user's spreadsheet formulas to calculate value of information for each of the blanks. By directing workers to find the details that impact the end result most, it results in a conclusive decision without gathering all of the inputs. Copyright © 2014 ACM.

关键词： Spreadsheets

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Evaluating a Future Remote Control Environment with an Experience-Driven science Fiction Prototype

Evaluating a Future Remote Control Environment with an Exper...

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International Conference on Intelligent Environments (IE)

作者： Tiina Kymäläinen Piia Perälä Jaakko Hakulinen Tomi Heimonen Jobin James Juha Perä Human Factors of Complex Systems VTT Technical Research Centre of Finland Ltd Tampere Finland Department of Computer Science and Information Systems University of Jyväskylä Jyväskylä Finland Tampereen yliopisto Tampere Pirkanmaa FI Tampere Unit for Computer-Human Interaction University of Tampere Tampere Finland Industrial Design R&I Konecranes Ltd Hyvinkää Finland

The case study presented in this paper aimed at discovering opportunities for ambient intelligence and new interaction methods for a future remote crane-operating environment. The theoretical objective was to carry out an experience-driven research project in an industrial work context, and the practical objective was to create and evaluate a future oriented science fiction prototype. The work was carried out in close co-operation with an industrial partner who was a domain expert in the field of crane industry. The aim was to focus on clearly defined user experience goals to which the industrial partner committed. The consequent immediate objective was to focus on two explicit experiences relating to 'Feeling of being motivated' and to 'Sense of community' that were placed at the core of the design investigations. These experiences were deliberated into a science fiction prototype entitled 'Remote operator's day in a future control centre'. The science fiction prototype was further introduced to users by twofold means: as a plain, simple short story and through an interactive experience path. The main contribution of the paper is to demonstrate how an emerging technology research of a new domain may employ science fiction prototyping method as a primary means of experience design investigations.

关键词： Cranes Prototypes Context System-on-chip Containers Intelligent systems Monitoring

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Slice-n-Swipe: A free-hand gesture user interface for 3D point cloud annotation

Slice-n-Swipe: A free-hand gesture user interface for 3D poi...

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IEEE Symposium on 3D User Interfaces (3DUI)

作者： Felipe Bacim Mahdi Nabiyouni Doug A. Bowman Department of Computer Science Center for Human-Computer Interaction

Three-dimensional point clouds are generated by devices such as laser scanners and depth cameras, but their output is a set of unstructured, unlabeled points. Many scenarios require users to identify parts of the point cloud through manual annotation. Inspired by the current generation of “natural user interface” technologies, we present Slice-n-Swipe, a technique for 3D point cloud annotation based on free-hand gesture input. The technique is based on a chef's knife metaphor, and uses progressive refinement to allow the user to specify the points of interest. We demonstrate the Slice-n-Swipe concept with a prototype using the Leap Motion Controller for free-hand gesture input and a 3D mouse for virtual camera control.

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Comparing input sensors in an immersive mixed-reality environment for human-computer symbiosis 1

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4th International Workshop on Symbiotic interaction, Symbiotic 2015

作者： Negri, Paolo Omedas, Pedro Chech, Luca Pluchino, Patrik Minelle, Filippo Verschure, P.F.M.J. Jacucci, Giulio Freeman, Jonathan Spagnolli, Anna Gamberini, Luciano Department Of General Psychology University of Padua Padua Italy Synthetic Perceptive Emotive and Cognitive Systems Lab Center of Autonomous Systems and Neurorobotics Universitat Pompeu Fabra Barcelona Spain Human Inspired Technology Research Centre University of Padua Padua Italy Barcelona Spain Helsinki Institute for Information Technology HIIT Department of Computer Science University of Helsinki Helsinki Finland Psychology Department Goldsmiths University of London London United Kingdom

ISBN: (数字)9783319249179

ISBN: (纸本)9783319249162

With the emergence of interest in the humancomputer symbiosis al so rises the need to find input systems adequate to this paradigm The present research aims to compare three different input systems during the interaction with virtual objects in a wide, immersive mixedreality environment The com mon interaction via keyboard and mouse is compared with two types of interaction mediated by gestural inputs Specifically, we compared the performance and the user experience of participants interacting with a virtual 3D model of a human brain either with keyboard/mouse, or with two different motion sensing devices to input commands: the Microsoft Kinect360 and the KinectOne The results seem to suggest that, although participants showed a better efficiency using the keyboard/mouse, in a high immersive environment, a input system that exploits gestures and body movements without requiring the use of any physical artifact, seems to be the preferred one to use © Springer International Publishing Switzerland 2015.

关键词： Mixed reality

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