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Displaying 1-50 out of 91 total
Ambient point clouds for view interpolation
Found in: ACM Transactions on Graphics (TOG)
By Carsten Haubold, Drew Steedly, Jens Ackermann, Michael Goesele, Richard Szeliski, Ronny Klowsky, Simon Fuhrmann, TU Darmstadt, Carsten Haubold, Drew Steedly, Jens Ackermann, Michael Goesele, Richard Szeliski, Ronny Klowsky, Simon Fuhrmann, TU Darmstadt, Carsten Haubold, Drew Steedly, Jens Ackermann, Michael Goesele, Richard Szeliski, Ronny Klowsky, Simon Fuhrmann, TU Darmstadt, Carsten Haubold, Drew Steedly, Jens Ackermann, Michael Goesele, Richard Szeliski, Ronny Klowsky, Simon Fuhrmann, TU Darmstadt
Issue Date:July 2010
pp. 1-10
View interpolation and image-based rendering algorithms often produce visual artifacts in regions where the 3D scene geometry is erroneous, uncertain, or incomplete. We introduce ambient point clouds constructed from colored pixels with uncertain depth, wh...
     
Measuring Latency in Virtual Environments
Found in: IEEE Transactions on Visualization and Computer Graphics
By Sebastian Friston,Anthony Steed
Issue Date:April 2014
pp. 616-625
Latency of interactive computer systems is a product of the processing, transport and synchronisation delays inherent to the components that create them. In a virtual environment (VE) system, latency is known to be detrimental to a user's sense of immersio...
 
Supporting interoperability and presence awareness in collaborative mixed reality environments
Found in: Proceedings of the 19th ACM Symposium on Virtual Reality Software and Technology (VRST '13)
By Angelika Peer, Anthony Steed, Benjamin Cohen, Franco Tecchia, Laith Alkurdi, Oyewole Oyekoya, Ran Stone, Stefan Klare, Tim Weyrich, William Steptoe
Issue Date:October 2013
pp. 165-174
In the BEAMING project we have been extending the scope of collaborative mixed reality to include the representation of users in multiple modalities, including augmented reality, situated displays and robots. A single user (a visitor) uses a high-end virtu...
     
Ultrascale Visualization of Climate Data
Found in: Computer
By Dean N. Williams,Timo Bremer,Charles Doutriaux,John Patchett,Sean Williams,Galen Shipman,Ross Miller,David R. Pugmire,Brian Smith,Chad Steed,E. Wes Bethel,Hank Childs,Harinarayan Krishnan,Prabhat Prabhat,Michael Wehner,Claudio T. Silva,Emanuele Santos,David Koop,Tommy Ellqvist,Jorge Poco,Berk Geveci,Aashish Chaudhary,Andy Bauer,Alexander Pletzer,Dave Kindig,Gerald L. Potter,Thomas P. Maxwell
Issue Date:September 2013
pp. 68-76
Collaboration across research, government, academic, and private sectors is integrating more than 70 scientific computing libraries and applications through a tailorable provenance framework, empowering scientists to exchange and examine data in novel ways...
 
XML3DRepo: a REST API for version controlled 3D assets on the web
Found in: Proceedings of the 18th International Conference on 3D Web Technology (Web3D '13)
By Anthony Steed, Dmitri Rubinstein, Jozef Doboš, Kristian Sons, Philipp Slusallek
Issue Date:June 2013
pp. 47-55
Current Web 3D technologies are not yet fully exploiting the modern design patterns for accessing online resources such as REST. XML3DRepo is a novel fusion of XML3D and 3D Repo. XML3D is an open source extension to HTML that supports interactive 3D graphi...
     
Panoinserts: mobile spatial teleconferencing
Found in: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI '13)
By Anthony Steed, Fabian Wanner, Fabrizio Pece, Jan Kautz, Simon Julier, Tim Weyrich, William Steptoe
Issue Date:April 2013
pp. 1319-1328
We present PanoInserts: a novel teleconferencing system that uses smartphone cameras to create a surround representation of meeting places. We take a static panoramic image of a location into which we insert live videos from smartphones. We use a combinati...
     
Human Tails: Ownership and Control of Extended Humanoid Avatars
Found in: IEEE Transactions on Visualization and Computer Graphics
By W. Steptoe,A. Steed,M. Slater
Issue Date:April 2013
pp. 583-590
This paper explores body ownership and control of an 'extended' humanoid avatar that features a distinct and flexible tail-like appendage protruding from its coccyx. Thirty-two participants took part in a between-groups study to puppeteer the avatar in an ...
 
Evaluation of remote collaborative manipulation for scientific data analysis
Found in: Proceedings of the 18th ACM symposium on Virtual reality software and technology (VRST '12)
By Anthony Steed, Cédric Fleury, Thierry Duval, Valérie Gouranton
Issue Date:December 2012
pp. 129-136
In the context of scientific data analysis, we propose to compare a remote collaborative manipulation technique with a single user manipulation technique. The manipulation task consists in positioning a clipping plane in order to perform cross-sections of ...
     
Verification of Compartmental Epidemiological Models Using Metamorphic Testing, Model Checking and Visual Analytics
Found in: 2012 ASE/IEEE International Conference on BioMedical Computing (BioMedCom)
By Arvind Ramanathan,Chad A. Steed,Laura L. Pullum
Issue Date:December 2012
pp. 68-73
Compartmental models in epidemiology are widely used as a means to model disease spread mechanisms and understand how one can best control the disease in case an outbreak of a widespread epidemic occurs. However, a significant challenge within the communit...
 
Beaming: An Asymmetric Telepresence System
Found in: IEEE Computer Graphics and Applications
By A. Steed,W. Steptoe,W. Oyekoya,F. Pece,T. Weyrich,J. Kautz,D. Friedman,A. Peer,M. Solazzi,F. Tecchia,M. Bergamasco,M. Slater
Issue Date:November 2012
pp. 10-17
The Beaming project recreates, virtually, a real environment; using immersive VR, remote participants can visit the virtual model and interact with the people in the real environment. The real environment doesn't need extensive equipment and can be a space...
 
3D Diff: an interactive approach to mesh differencing and conflict resolution
Found in: SIGGRAPH Asia 2012 Technical Briefs (SA '12)
By Anthony Steed, Jozef Doboš
Issue Date:November 2012
pp. 1-4
We present an open source tool, 3D Diff, that supports differencing and merging of 3D models. As modeling software grows in use, and as 3D models get more complex and require input from more users, there is an emerging problem of maintaining large scenes o...
     
Visualizing 3D models in aid of public consultation
Found in: SIGGRAPH Asia 2012 Symposium on Apps (SA '12)
By Alvise Simondetti, Anthony Steed, Jozef Doboš
Issue Date:November 2012
pp. 1-1
We present a novel approach to visualizing 3D models in aid of public consultation. 3D assets of architectural and engineering proposals are decomposed into individual constituents and uploaded to a NoSQL database (DB). A newly developed Android applicatio...
     
3D-printing of non-assembly, articulated models
Found in: ACM Transactions on Graphics (TOG)
By Anthony Steed, Cristina Amati, Dan A. Calian, Jacques Calì, Jan Kautz, Rebecca Kleinberger, Tim Weyrich
Issue Date:November 2012
pp. 1-8
Additive manufacturing (3D printing) is commonly used to produce physical models for a wide variety of applications, from archaeology to design. While static models are directly supported, it is desirable to also be able to print models with functional art...
     
3D diff: an interactive approach to mesh differencing and conflict resolution
Found in: ACM SIGGRAPH 2012 Talks (SIGGRAPH '12)
By Anthony Steed, Jozef Doboš
Issue Date:August 2012
pp. 1-1
We introduce 3D diff, a novel approach to interactively resolve conflicting mesh edits. Our method performs conflict detection and visualization and allows the user to quickly select one of the two revisions for each conflicted scene graph (SG) node. By fu...
     
3D revision control framework
Found in: Proceedings of the 17th International Conference on 3D Web Technology (Web3D '12)
By Anthony Steed, Jozef Doboš
Issue Date:August 2012
pp. 121-129
The maintenance of assets in a large 3D scene can involve many authors with potentially different skills and different modeling tools. The standard paradigm of collaborative editing is sharing of files between various instances of applications. This presen...
     
Pushing the Envelope of Modern Methods for Bundle Adjustment
Found in: IEEE Transactions on Pattern Analysis and Machine Intelligence
By Yekeun Jeong,D. Nister,D. Steedly,R. Szeliski, In-So Kweon
Issue Date:August 2012
pp. 1605-1617
In this paper, we present results and experiments with several methods for bundle adjustment, producing the fastest bundle adjuster ever published in terms of computation and convergence. From a computational perspective, the fastest methods naturally hand...
 
Introduction to networked graphics
Found in: SIGGRAPH Asia 2011 Courses (SA '11)
By Anthony Steed
Issue Date:December 2011
pp. 1-159
Increasingly, the computer graphics applications we use at work and play are exploiting and supporting real-time interaction in networking. Our course will introduce attendees to recent advances and best practice in the networking of graphics applications....
     
Structure from motion for scenes with large duplicate structures
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By R. Roberts,S. N. Sinha,R. Szeliski,D. Steedly
Issue Date:June 2011
pp. 3137-3144
Most existing structure from motion (SFM) approaches for unordered images cannot handle multiple instances of the same structure in the scene. When image pairs containing different instances are matched based on visual similarity, the pairwise geometric re...
 
Guest Editor's Introduction Special Section on the Virtual Reality Conference (VR)
Found in: IEEE Transactions on Visualization and Computer Graphics
By Anthony Steed, Robert W. Lindeman
Issue Date:January 2011
pp. 1-2
No summary available.
 
Keeping the pirates at bay-lor: waves of blackberry, sailing through mac support, and navigating the filemaker seas
Found in: Proceedings of the 38th annual fall conference on SIGUCCS (SIGUCCS '10)
By Karla Nelson, Lisa Steed, Michelle Toon
Issue Date:October 2010
pp. 277-280
Although we came over on different ships, we are all in the same boat now. But sailing in the same boat and tying the same knots are two different things. The three of us would like to show, in a poster, the different ways in which each of us approaches cu...
     
Pushing the envelope of modern methods for bundle adjustment
Found in: Computer Vision and Pattern Recognition, IEEE Computer Society Conference on
By Yekeun Jeong, David Nister, Drew Steedly, Richard Szeliski, In-So Kweon
Issue Date:June 2010
pp. 1474-1481
In this paper, we present results and experiments with several methods for bundle adjustment, producing the fastest bundle adjuster ever published. The fastest methods work with the well known reduced camera system and handle the block-sparse pattern arisi...
 
Lie tracking: social presence, truth and deception in avatar-mediated telecommunication
Found in: Proceedings of the 28th international conference on Human factors in computing systems (CHI '10)
By Aitor Rovira, Anthony Steed, John Rae, William Steptoe
Issue Date:April 2010
pp. 1039-1048
The success of visual telecommunication systems depends on their ability to transmit and display users' natural nonverbal behavior. While video-mediated communication (VMC) is the most widely used form of interpersonal remote interaction, avatar-mediated c...
     
A novel brain-computer interface using a multi-touch surface
Found in: Proceedings of the 28th international conference on Human factors in computing systems (CHI '10)
By Anthony Steed, Beste F. Yuksel, James Tompkin, Michael Donnerer
Issue Date:April 2010
pp. 855-858
We present a novel integration of a brain-computer interface (BCI) with a multi-touch surface. BCIs based on the P300 paradigm often use a visual stimulus of a flashing character to elicit an event related potential in the brain's EEG signal. Traditionally...
     
Is the rubber hand illusion induced by immersive virtual reality?
Found in: Virtual Reality Conference, IEEE
By Ye Yuan,Anthony Steed
Issue Date:March 2010
pp. 95-102
The rubber hand illusion is a simple illusion where participants can be induced to report and behave as if a rubber hand is part of their body. The induction is usually done by an experimenter tapping both a rubber hand prop and the participant's real hand...
 
The implementation of a novel walking interface within an immersive display
Found in: 3D User Interfaces
By David Swapp, Julian Williams, Anthony Steed
Issue Date:March 2010
pp. 71-74
Locomotion interfaces pose a large challenge for designers of immersive virtual environments. While treadmills and other actuated interfaces can be integrated with spatial displays or head-mounted displays, they are expensive or they constrain walking to o...
 
A saliency-based method of simulating visual attention in virtual scenes
Found in: Proceedings of the 16th ACM Symposium on Virtual Reality Software and Technology (VRST '09)
By Anthony Steed, Oyewole Oyekoya, William Steptoe
Issue Date:November 2009
pp. 199-206
Complex interactions occur in virtual reality systems, requiring the modelling of next-generation attention models to obtain believable virtual human animations. This paper presents a saliency model that is neither domain nor task specific, which is used t...
     
Profiling the behaviour of 3D selection tasks on movement time when using natural haptic pointing gestures
Found in: Proceedings of the 16th ACM Symposium on Virtual Reality Software and Technology (VRST '09)
By Anthony Steed, Vijay M. Pawar
Issue Date:November 2009
pp. 79-82
In this paper we profiled the performance of two types of 3D selections tasks: selection of one target and the selection of two targets. We designed an Immersive Virtual Environment (IVE) to evaluate any differences that may exist, and understand the under...
     
Mutable mapping: gradual re-routing of OSC control data as a form of artistic performance
Found in: Proceedings of the International Conference on Advances in Computer Enterntainment Technology (ACE '09)
By Anthony Steed, Beau Lotto, Ilias Bergstrom
Issue Date:October 2009
pp. 290-293
In most contemporary forms of musical and other technologically mediated artistic performance, systems are used where digital control information is transmitted from the interfaces used by the performers, to the devices producing the intended output. There...
     
Guest Editor's Introduction: Special Section on the IEEE Virtual Reality Conference (VR)
Found in: IEEE Transactions on Visualization and Computer Graphics
By Ming C. Lin, Anthony Steed, Carolina Cruz-Neira
Issue Date:May 2009
pp. 353-354
No summary available.
 
Communicating Eye-gaze Across a Distance: Comparing an Eye-gaze enabled Immersive Collaborative Virtual Environment, Aligned Video Conferencing, and Being Together
Found in: Virtual Reality Conference, IEEE
By David Roberts, Robin Wolff, John Rae, Anthony Steed, Rob Aspin, Moira McIntyre, Adriana Pena, Oyewole Oyekoya, Will Steptoe
Issue Date:March 2009
pp. 135-142
Eye gaze is an important and widely studied non-verbal resource in co-located social interaction. When we attempt to support tele-presence between people, there are two main technologies that can be used today: video-conferencing (VC) and collaborative vir...
 
Evaluating the Influence of Haptic Force-Feedback on 3D Selection Tasks using Natural Egocentric Gestures
Found in: Virtual Reality Conference, IEEE
By Vijay M Pawar, Anthony Steed
Issue Date:March 2009
pp. 11-18
Immersive Virtual Environments (IVEs) allow participants to interact with their 3D surroundings using natural hand gestures. Previous work shows that the addition of haptic feedback cues improves performance on certain 3D tasks. However, we believe this is...
 
Eye Tracking for Avatar Eye Gaze Control During Object-Focused Multiparty Interaction in Immersive Collaborative Virtual Environments
Found in: Virtual Reality Conference, IEEE
By William Steptoe, Oyewole Oyekoya, Alessio Murgia, Robin Wolff, John Rae, Estefania Guimaraes, David Roberts, Anthony Steed
Issue Date:March 2009
pp. 83-90
In face-to-face collaboration, eye gaze is used both as a bidirectional signal to monitor and indicate focus of attention and action, as well as a resource to manage the interaction. In remote interaction supported by Immersive Collaborative Virtual Enviro...
 
Does a Gradual Transition to the Virtual World increase Presence?
Found in: Virtual Reality Conference, IEEE
By Frank Steinicke, Gerd Bruder, Klaus Hinrichs, Anthony Steed, Alexander L. Gerlach
Issue Date:March 2009
pp. 203-210
In order to increase a user's sense of presence in an artificial environment some researchers propose a gradual transition from reality to the virtual world instead of immersing users into the virtual world directly. One approach is to start the VR experie...
 
Practicing What We Preach: IEEE VR 2009 Virtual Program Committee Meeting
Found in: IEEE Computer Graphics and Applications
By Robert W. Lindeman, Dirk Reiners, Anthony Steed
Issue Date:March 2009
pp. 80-83
This article reports on the experience of conducting the program committee (PC) meeting for the IEEE VR 2009 conference in Second Life. More than 50 PC members from around the globe met virtually over a two-day period to decide which papers to accept for p...
 
Workshop report from IEEE VR 2007: future standards for immersive VR
Found in: ACM SIGGRAPH ASIA 2008 courses (SIGGRAPH Asia '08)
By Anthony Steed, Don Brutzman, Johannes Behr, Nicholas F. Polys
Issue Date:December 2008
pp. 1-11
The motivation for this workshop was to create shared understanding between the Virtual Reality (VR) and Web3D communities. While the two fields of Web-based 3D graphics and VR 3D graphics have tended to view their technology as different beasts, they have...
     
Interactive 3D architectural modeling from unordered photo collections
Found in: ACM Transactions on Graphics (TOG)
By Drew Steedly, Maneesh Agrawala, Marc Pollefeys, Richard Szeliski, Sudipta N. Sinha
Issue Date:December 2008
pp. 1-49
We present an interactive system for generating photorealistic, textured, piecewise-planar 3D models of architectural structures and urban scenes from unordered sets of photographs. To reconstruct 3D geometry in our system, the user draws outlines overlaid...
     
Low-cost orthographic imagery
Found in: Proceedings of the 16th ACM SIGSPATIAL international conference on Advances in geographic information systems (GIS '08)
By Drew Steedly, Jeremy Elson, Jon Howell, Matt Uyttendaele, Peter Pesti
Issue Date:November 2008
pp. 1-8
Commercial aerial imagery websites, such as Google Maps, MapQuest, Microsoft Virtual Earth, and Yahoo! Maps, provide high- seamless orthographic imagery for many populated areas, employing sophisticated equipment and proprietary image postprocessing pipeli...
     
Eye-tracking for avatar eye-gaze and interactional analysis in immersive collaborative virtual environments
Found in: Proceedings of the ACM 2008 conference on Computer supported cooperative work (CSCW '08)
By Alessio Murgia, Anthony Steed, David Roberts, Estefania Guimaraes, John Rae, Paul Sharkey, Robin Wolff, William Steptoe
Issue Date:November 2008
pp. 21-27
Participants' eye-gaze is generally not captured or represented in immersive collaborative virtual environment (ICVE) systems. We present EyeCVE, which uses mobile eye-trackers to drive the gaze of each participant's virtual avatar, thus supporting remote ...
     
A simple method for estimating the latency of interactive, real-time graphics simulations
Found in: Proceedings of the 2008 ACM symposium on Virtual reality software and technology (VRST '08)
By Anthony Steed
Issue Date:October 2008
pp. 1-2
One of the critical determinants of the effectiveness and usability of interactive graphics simulations is the latency with which visual updates can be made based on input from interaction devices. High latency can diminish performance and can lead to simu...
     
Communicating Eye Gaze across a Distance without Rooting Participants to the Spot
Found in: Distributed Simulation and Real Time Applications, IEEE/ACM International Symposium on
By Robin Wolff, Dave Roberts, Alessio Murgia, Norman Murray, John Rae, Will Steptoe, Anthony Steed, Paul Sharkey
Issue Date:October 2008
pp. 111-118
Eye gaze is an important conversational resource that until now could only be supported across a distance if people were rooted to the spot. We introduce EyeCVE, the world’s first tele-presence system that allows people in different physical locations to no...
 
A Tool for Replay and Analysis of Gaze-Enhanced Multiparty Sessions Captured in Immersive Collaborative Environments
Found in: Distributed Simulation and Real Time Applications, IEEE/ACM International Symposium on
By Alessio Murgia, Robin Wolff, William Steptoe, Paul Sharkey, David Roberts, Estefania Guimaraes, Anthony Steed, John Rae
Issue Date:October 2008
pp. 252-258
A desktop tool for replay and analysis of gaze-enhanced multiparty virtual collaborative sessions is described. We linked three CAVETM-like environments, creating a multiparty collaborative virtual space where avatars are animated with 3D gaze as well as h...
 
Trajectory Tracking Control for Robotics Manipulators Based on Passivity
Found in: Electronics, Robotics and Automotive Mechanics Conference
By Jesús Patricio Ordaz Oliver, Omar Arturo Domínguez-Ramirez, Eduardo Steed Espinoza Quezada
Issue Date:October 2008
pp. 484-489
This paper present a synthesized design for asymptotic stable feedback control approach based in Euler-Lagrange passivity properties, hyperbolic trigonometric functions, and the Lyapunov theory (specially second method) for arobot manipulator. Control syst...
 
The Impact of a Character Posture Model on the Communication of Affect in an Immersive Virtual Environment
Found in: IEEE Transactions on Visualization and Computer Graphics
By Vinoba Vinayagamoorthy, Anthony Steed, Mel Slater
Issue Date:September 2008
pp. 965-982
This paper presents the quantitative and qualitative findings from an experiment designed to evaluate a developing model of affective postures for full-body virtual characters in Immersive Virtual Environments (IVEs). Forty-nine participants were each requ...
 
Guest Editor's Introduction: Special Section on Virtual Reality
Found in: IEEE Transactions on Visualization and Computer Graphics
By Anthony Steed, William Sherman, Ming C. Lin
Issue Date:May 2008
pp. 485-486
No summary available.
 
Future Standards for Immersive VR: Report on the IEEE Virtual Reality 2007 Workshop
Found in: IEEE Computer Graphics and Applications
By Nicholas F. Polys, Don Brutzman, Anthony Steed, Johannes Behr
Issue Date:March 2008
pp. 94-99
The Future Standards for Immersive VR Workshop at the IEEE Virtual Reality 2007 Conference aimed to foster an understanding between the VR and Web3D communities. Through multiple tool and application examples, contributors looked at the challenges and requ...
 
A Method for Predicting Marker Tracking Error
Found in: Mixed and Augmented Reality, IEEE / ACM International Symposium on
By Russell M. Freeman, Simon J. Julier, Anthony J. Steed
Issue Date:November 2007
pp. 1-4
Many Augmented Reality (AR) applications use marker-based vision tracking systems to recover camera pose by detecting one or more planar landmarks. However, most of these systems do not interactively quantify the accuracy of the pose they calculate. Instea...
 
Out-of-Core Bundle Adjustment for Large-Scale 3D Reconstruction
Found in: Computer Vision, IEEE International Conference on
By Kai Ni, Drew Steedly, Frank Dellaert
Issue Date:October 2007
pp. 1-8
Large-scale 3D reconstruction has recently received much attention from the computer vision community. Bundle adjustment is a key component of 3D reconstruction problems. However, traditional bundle adjustment algorithms require a considerable amount of me...
 
Interactive modeling for augmented reality
Found in: ACM SIGGRAPH 2007 posters on XX (SIGGRAPH '07)
By Anthony Steed, Russell Freeman
Issue Date:August 2007
pp. 19-es
Surface-based deformation [Sorkine 2005] plays an important role to reuse existing mesh models. This technique encodes geometric shapes using linear partial differential equations and deforms mesh models in an interactive manner. However, surface-based def...
     
Understanding and Realizing Presence in the Presenccia Project
Found in: IEEE Computer Graphics and Applications
By Mel Slater, Antonio Frisoli, Franco Tecchia, Christoph Guger, Beau Lotto, Anthony Steed, Gert Pfurtscheller, Robert Leeb, Miriam Reiner, Maria V. Sanchez-Vives, Paul Verschure, Ulysses Bernardet
Issue Date:July 2007
pp. 90-93
The Presenccia project takes an operational approach to the concept of presence. Presenccia's approach lets the project team assess the extent of presence using tools beyond traditional questionnaires, and therefore avoid many of the problems involved with...
 
Variations in physiological responses of participants during different stages of an immersive virtual environment experiment
Found in: Proceedings of the ACM symposium on Virtual reality software and technology (VRST '06)
By Andrea Brogni, Anthony Steed, Mel Slater, Vinoba Vinayagamoorthy
Issue Date:November 2006
pp. 376-382
This paper presents a study of the fine grain physiological responses of participants to an immersive virtual simulation of an urban environment. The analysis of differences in participant responses at various stages of the experiment (baseline recordings,...
     
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