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Displaying 1-50 out of 55 total
Street slide: browsing street level imagery
Found in: ACM Transactions on Graphics (TOG)
By Billy Chen, Johannes Kopf, Michael Cohen, Richard Szeliski, Billy Chen, Johannes Kopf, Michael Cohen, Richard Szeliski, Billy Chen, Johannes Kopf, Michael Cohen, Richard Szeliski, Billy Chen, Johannes Kopf, Michael Cohen, Richard Szeliski
Issue Date:July 2010
pp. 1-10
Systems such as Google Street View and Bing Maps Streetside enable users to virtually visit cities by navigating between immersive 360° panoramas, or bubbles. The discrete moves from bubble to bubble enabled in these systems do not provide a good visu...
     
Control System for the Schaire Internet Chair
Found in: Computer and Information Technology, International Conference on
By Uresh Chanaka Duminduwardena, Michael Cohen
Issue Date:September 2004
pp. 215-220
We have developed second-generation prototypes of the Internet Chair, a novel internet appliance. The first generation explored using the chair as an input device;
 
Folkways in Wonderland: A Cyberworld Laboratory for Ethnomusicology
Found in: Cyberworlds, International Conference on
By Rasika Ranaweera,Michael Frishkopf,Michael Cohen
Issue Date:October 2011
pp. 106-112
In this paper we describe a musical cyber world -- a collaborative, immersive virtual environment for browsing musical databases -- together with an experimental design launching a new sub discipline: the ethnomusicology of controlled musical cyberspaces. ...
 
An Efficient Radiosity Approach for Realistic Image Synthesis
Found in: IEEE Computer Graphics and Applications
By Michael Cohen, Donald Greenberg, David Immel, Philip Brock
Issue Date:March 1986
pp. 26-35
The radiosity method models the interaction of light between diffusely reflecting surfaces and accurately predicts the global illumination effects. Procedures are now available to simulate complex environments including occluded and textured surfaces. For ...
 
Automatic generation of destination maps
Found in: ACM Transactions on Graphics (TOG)
By David Bargeron, David Salesin, Johannes Kopf, Maneesh Agrawala, Michael Cohen, David Bargeron, David Salesin, Johannes Kopf, Maneesh Agrawala, Michael Cohen
Issue Date:December 2010
pp. 1-12
Destination maps are navigational aids designed to show anyone within a region how to reach a location (the destination). Hand-designed destination maps include only the most important roads in the region and are non-uniformly scaled to ensure that all of ...
     
Speech-Based Emotion Characterization Using Postures and Gestures in CVEs
Found in: Cyberworlds, International Conference on
By Senaka Amarakeerthi, Rasika Ranaweera, Michael Cohen
Issue Date:October 2010
pp. 72-76
Collaborative Virtual Environments (CVEs) have become increasingly popular in the past two decades. MostCVEs use avatar systems to represent each user logged into aCVE session. Some avatar systems are capable of expressing emotions with postures, gestures,...
 
Developing and Retaining a Security Testing Mindset
Found in: IEEE Security and Privacy
By Edward Bonver, Michael Cohen
Issue Date:September 2008
pp. 82-85
Developing a security testing mindset is a hard task. Moreover, as hard as it is to develop it, it's just as hard to retain it and effectively apply it during testing. The authors discuss what it takes to conduct successful software security testing, prima...
 
Figurative Privacy Control of SIP-Based Narrowcasting
Found in: Advanced Information Networking and Applications, International Conference on
By Mohammad Sabbir Alam, Michael Cohen, Ashir Ahmed, Julian Villegas
Issue Date:March 2008
pp. 726-733
In traditional conferencing systems, participants have little or no privacy, as their voices are by default shared with all others in a session. Such systems cannot offer participants the options of muting and deafening other members. The concept of narrow...
 
Syn?sthetic Music or the Ultimate Ocular Harpsichord
Found in: Computer and Information Technology, International Conference on
By Julián Villegas, Michael Cohen
Issue Date:October 2007
pp. 523-527
We address the problem of visualizing microtuned scales and chords such that each representation is unique and therefore distinguishable. Using colors to represent the dif- ferent pitches, we aim to capture aspects from the musical scale impossible to repr...
 
Control of Navigable Panoramic Imagery with Information Furniture: Chair-Driven 2.5 with Automatic Window Dilation
Found in: Computer and Information Technology, International Conference on
By Michael Cohen, Kunihiro Doi, Takayuki Hattori, Yorinobu Mine
Issue Date:October 2007
pp. 517-522
We describe our experiments using a rolling swivel chair as a control/display platform for exploring multi-standpoint panoramic spaces, characterized not only by 360 scenes, but also modestly navigable photorealistic spaces, enabled by multinode QTVR movie...
 
Spin-Around: Phase-Locked Synchronized Rotation and Revolution in Multistandpoint panoramic Browsers
Found in: Computer and Information Technology, International Conference on
By Michael Cohen, Ishara Jaysingha, Julián Villegas
Issue Date:October 2007
pp. 511-516
Using multistandpoint panoramic browsers as dis- plays, we have developed a control function that syn- chronizes revolution and rotation of a visual perspective around a designated point of regard in a virtual environ- ment. The phase-locked orbit is uniqu...
 
Innovative Mobile Phone Services Based on Next Generation Infrastructure in Japan A Survey
Found in: Computer and Information Technology, International Conference on
By Akira Sasaki, Kazuaki Yamauchi, Wenxi Chen, Michael Cohen, Daming Wei, Zixue Cheng
Issue Date:October 2007
pp. 491-496
In this survey, we review current mobile phone technology and market in Japan in various fields. We also consider next-generation mobile phone infrastructure and innovative services, describing how future mobile infrastructure works by introducing some cut...
 
Dual-Driver Networked Fire Truck Simulator with Multimodal Display including Force Feedback Steering and Rotating Motion Platform
Found in: Enabling Technologies, IEEE International Workshops on
By Tatsuya Nagai, Michael Cohen, Yoshinori Moriguchi, Yoko Murakami
Issue Date:June 2007
pp. 424-430
We describe the integration of two pairs of force displays-- a force-feedback wheel (FFBW) and the S c haire (`Share Chair'), a rotary motion platform-- in a dual- driver networked driving simulator which navigates through virtual space using CVE ( collabo...
 
Monocular Video Foreground/Background Segmentation by Tracking Spatial-Color Gaussian Mixture Models
Found in: Motion and Video Computing, IEEE Workshop on
By Ting Yu, Cha Zhang, Michael Cohen, Yong Rui, Ying Wu
Issue Date:February 2007
pp. 5
This paper presents a new approach to segmenting monocular videos captured by static or hand-held cameras filming large moving non-rigid foreground objects. The foreground and background objects are modeled using spatialcolor Gaussian mixture models (SCGMM...
 
Articulated Modeling of Distributed Privacy: Transitive Closure of Composition of Narrowcasting and Multipresence
Found in: Frontier of Computer Science and Technology, Japan-China Joint Workshop on
By Michael Cohen, Owen Noel Newton Fernando, Tatsuya Nagai, Kensuke Shimizu
Issue Date:November 2006
pp. 109-115
We are exploring IDSS (intelligent driver support systems), especially including way-finding presented via spatial audio. (
 
Articulated Modeling of Distributed Privacy: Transitive Closure of Composition of Narrowcasting and Multipresence
Found in: Computer and Information Technology, International Conference on
By Michael Cohen
Issue Date:September 2006
pp. 130
Our group is exploring models and interfaces for advanced conferencing, especially considering
 
Narrowcasting Attributes for Presence Awareness in Collaborative Virtual Environments
Found in: Computer and Information Technology, International Conference on
By Owen Noel Newton Fernando, Michael Cohen
Issue Date:September 2006
pp. 129
This article describes presence awareness in groupware systems. Presence awareness is rapidly becoming an important component of many collaborative applications. One serious limitation is that no existing presence awareness systems can handle multiply pres...
 
Design for Controlling Media Privacy in SIP Conferencing Systems
Found in: Digital Telecommunications, International Conference on
By Mohammad Sabbir Alam, Michael Cohen, Ashir Ahmed
Issue Date:August 2006
pp. 53
We propose a new focus of research for multimedia conferencing systems which allows each user to flexibly select another participant or a group of participants to control media transmission. In a traditional conference system, participants? voices might by...
 
PING: a Group-to-Individual Distributed Meeting System
Found in: Multimedia and Expo, IEEE International Conference on
By Yong Rui, Eric Rudolph, Li-wei He, Rico Malvar, Michael Cohen, Ivan Tashev
Issue Date:July 2006
pp. 1141-1144
Group-to-individual (G2I) distributed meeting is an important but understudied area. Because of the asymmetry between different parties in G2I meetings, it has two unique challenges: 1) the remote participant tends to be ignored by the local participants; ...
 
Multipresence Narrowcasting Operations Comprise a Media Meta-Mixer Exponentiating Interface Value
Found in: Computer and Information Technology, International Conference on
By Michael Cohen
Issue Date:September 2005
pp. 535-542
<p>Multipresence allows each human user, in, for example, a distributed groupware system like the internet, to have source and sink presence in multiple spaces at once, by designating an arbitrary number of representatives as
 
Mixed-Reality
Found in: Computer and Information Technology, International Conference on
By Shuhei Ishikawa, Yu Saito, Michael Cohen
Issue Date:September 2005
pp. 553-559
<p>This article describes research on a mobile interface that allows remote control of electric appliances and avatars rendered on a workstation or personal computer to be synchronized with a mobile phone?s ringtone. The interface
 
Development of a Scalable Healthcare Monitoring Platform
Found in: Computer and Information Technology, International Conference on
By Wenxi Chen, Daming Wei, Michael Cohen, Shuxue Ding, Shigeru Tokinoya, Naotoshi Takeda
Issue Date:September 2004
pp. 912-915
Design and implementation of a universal platform based upon mobile telephony and Internet infrastructure for healthcare monitoring and other related applications are described. The platform hierarchy comprises three layers for sensing, communication, and ...
 
Phantom Sources for Separation of Listening and Viewing Positions of Multipresent Avatars in Narrowcasting Collaborative Virtual Environments
Found in: Distributed Computing Systems Workshops, International Conference on
By Owen Noel Newton Fernando, Kazuya Adachi, Michael Cohen
Issue Date:March 2004
pp. 170-175
<p>Our group is exploring interactive multimedia, especially for virtual and mixed reality groupware systems. The apparent paradoxes of multipresence, having avatars in multiple places or spaces simultaneously, are resolvable by an
 
Video-Based Rendering
Found in: Computer Graphics and Applications, Pacific Conference on
By Michael Cohen
Issue Date:October 2002
pp. 2
No summary available.
   
Cloning Your Own Face With A Desktop Camera
Found in: Computer Vision, IEEE International Conference on
By Zhengyou Zhang, Zicheng Liu, Denis Adler, Michael Cohen, Erik Hanson, Ying Shan
Issue Date:July 2001
pp. 745
No summary available.
   
Extending the Notion of a Window System to Audio
Found in: Computer
By Lester F. Ludwig, Natalio Pincever, Michael Cohen
Issue Date:August 1990
pp. 66-72
<p>With audio's increasing importance in computer applications, users will soon need presentation, management and organizational capabilities similar to visual window systems to avoid a confusing cacophony of multiple audio sources sounding at once. ...
 
Deep photo: model-based photograph enhancement and viewing
Found in: ACM Transactions on Graphics (TOG)
By Billy Chen, Boris Neubert, Dani Lischinski, Daniel Cohen-Or, Johannes Kopf, Matt Uyttendaele, Michael Cohen, Oliver Deussen
Issue Date:December 2008
pp. 1-49
In this paper, we introduce a novel system for browsing, enhancing, and manipulating casual outdoor photographs by combining them with already existing georeferenced digital terrain and urban models. A simple interactive registration process is used to ali...
     
Fast Rendering of Diffusion Curves with Triangles
Found in: IEEE Computer Graphics and Applications
By Wai-Man Pang,Jing Qin,Michael Cohen,Pheng-Ann Heng,Kup-Sze Choi
Issue Date:July 2012
pp. 68-78
Diffusion curves are a new kind of primitive in vector graphics, capable of representing smooth color transitions among boundaries. Their rendering requires solving Poisson's equation; much previous research relied on traditional solvers, which commonly re...
 
Symposium on computer animation in fast forward
Found in: ACM SIGGRAPH 2002 conference abstracts and applications (SIGGRAPH '02)
By Jessica Hodgins, Michael Cohen, Michael Gleicher, Michiel van de Panne, Nancy Pollard
Issue Date:July 2002
pp. 95-95
"Three-minute madness." Papers from the new ACM SIGGRAPH Symposium on Computer Animation are summarized in three minutes or less, followed by a discussion of new directions in computer animation research.
     
Unstructured lumigraph rendering
Found in: Proceedings of the 28th annual conference on Computer graphics and interactive techniques (SIGGRAPH '01)
By Chris Buehler, Leonard McMillan, Michael Bosse, Michael Cohen, Steven Gortler
Issue Date:August 2001
pp. 425-432
We describe an image based rendering approach that generalizes many current image based rendering algorithms, including light field rendering and view-dependent texture mapping. In particular, it allows for lumigraph-style rendering from a set of input cam...
     
Enhancing Perspicuity of Objects in Virtual Reality Environments
Found in: Cognitive Technology, International Conference on
By Jens Herder, Michael Cohen
Issue Date:August 1997
pp. 228
In an information-rich Virtual Reality (VR) environment, the user is immersed in a world containing many objects providing that information. Given the finite computational resources of any computer system, optimization is required to ensure that the most i...
 
Twirled affordances, self-conscious avatars, & inspection gestures
Found in: SIGGRAPH Asia 2013 Symposium on Mobile Graphics and Interactive Applications (SA '13)
By Akira Sasaki, Anzu Nakada, Julián Villegas, Rasika Ranaweera, Yong Ping Chen, Hayato Ito, Jun Yamadera, Kensuke Nishimura, Michael Cohen, Sascha Holesch, Tetsunobu Ohashi, Tomohiro Oyama, Yasuhiko Saito, Yuya Sasamoto
Issue Date:November 2013
pp. 1-1
Contemporary smartphones and tablets have magnetometers that can be used to detect yaw, which data can be distributed to adjust ambient media. We have built haptic interfaces featuring smartphones and tablets that use compass-derived orientation sensing to...
     
"Tworlds": twirled worlds for multimodal 'padiddle' spinning & tethered 'poi' whirling
Found in: ACM SIGGRAPH 2013 Posters (SIGGRAPH '13)
By Akira Sasaki, Anzu Nakada, Hayato Ito, Julián Villegas, Jun Yamadera, Kensuke Nishimura, Michael Cohen, Rasika Ranaweera, Ryo Kanno, Sascha Holesch, Shun Endo, Tetsunobu Ohashi, Tomohiro Oyama, Yasuhiko Saito, Yong Ping Chen, Yukihiro Nishikawa, Yuya Sasamoto
Issue Date:July 2013
pp. 1-1
Modern smartphones and tablets have magnetometers that can be used to detect yaw, which data can be distributed to adjust ambient media. Either static (pointing) or dynamic (twirling) modes can be used to modulate multimodal displays, including 360° i...
     
Real-time drawing assistance through crowdsourcing
Found in: ACM Transactions on Graphics (TOG)
By Adrien Treuille, Alex Limpaecher, Michael Cohen, Nicolas Feltman
Issue Date:July 2013
pp. 1-8
We propose a new method for the large-scale collection and analysis of drawings by using a mobile game specifically designed to collect such data. Analyzing this crowdsourced drawing database, we build a spatially varying model of artistic consensus at the...
     
Multimodal Machinema at the University of Aizu
Found in: Proceedings of Alice Symposium on Alice Symposium (ALICE '13)
By Michael Cohen
Issue Date:June 2013
pp. 1-1
We introduce students to the basics of human interface technology and the virtual reality paradigm, especially through "desktop VR" (a.k.a. "fishtank VR"), a "hands-on" approach emphasizing creation of self-designed virtual worlds. The main vehicle of expr...
     
Energy types
Found in: Proceedings of the ACM international conference on Object oriented programming systems languages and applications (OOPSLA '12)
By Emgin Ezgi Senem, Haitao Steve Zhu, Michael Cohen, Yu David Liu
Issue Date:October 2012
pp. 831-850
This paper presents a novel type system to promote and facilitate energy-aware programming. Energy Types is built upon a key insight into today's energy-efficient systems and applications: despite the popular perception that energy and power can only be de...
     
DuploTrack: a real-time system for authoring and guiding duplo block assembly
Found in: Proceedings of the 25th annual ACM symposium on User interface software and technology (UIST '12)
By Ankit Gupta, Brian Curless, Dieter Fox, Michael Cohen
Issue Date:October 2012
pp. 389-402
We demonstrate a realtime system which infers and tracks the assembly process of a snap-together block model using a Kinect® sensor. The inference enables us to build a virtual replica of the model at every step. Tracking enables us to provide context...
     
Cliplets: juxtaposing still and dynamic imagery
Found in: Proceedings of the 25th annual ACM symposium on User interface software and technology (UIST '12)
By Eric Stollnitz, Hugues Hoppe, Matt Uyttendaele, Michael Cohen, Neel Joshi, Sisil Mehta, Steven Drucker
Issue Date:October 2012
pp. 251-260
We explore creating ""cliplets"", a form of visual media that juxtaposes still image and video segments, both spatially and temporally, to expressively abstract a moment. Much as in ""cinemagraphs"", the tension between static and dynamic elements in a cli...
     
Delay pools-based uninterrupted and dynamic bandwidth distribution of Squid proxy cache
Found in: Proceedings of the 2012 Joint International Conference on Human-Centered Computer Environments (HCCE '12)
By Kithsiri Liyanage, Michael Cohen, Senaka Amarakeerthi
Issue Date:March 2012
pp. 244-246
A Squid proxy sever is a popular web content caching service trusted by many network administrators. In this paper, we describe a method of managing the bandwidth of Squid proxy cache through the World Wide Web, thus allowing Squid administrators and autho...
     
Rhythm of music animating virtual environment models
Found in: Proceedings of the 2012 Joint International Conference on Human-Centered Computer Environments (HCCE '12)
By Prabath Kumara Weerasinghe, Michael Cohen
Issue Date:March 2012
pp. 200-202
Alice is an innovative 3d programming environment that makes it easy to create an animation. Many virtual environment (ve) models are available in the Alice 3d environment. We created ve scenes using the Alice 3d ide (integrated development environment). W...
     
Media players for accessibility
Found in: Proceedings of the 2012 Joint International Conference on Human-Centered Computer Environments (HCCE '12)
By Michael Cohen, Kensuke Nishimura
Issue Date:March 2012
pp. 184-189
We have developed two versions of a media player designed for differently abled users. The media player, suitable for selecting and playing songs or videos, runs on either computer-hosted "Alice" or an iOS smartphone or tablet. Even though special users ha...
     
iBaton: conducting virtual concerts using smartphones
Found in: Proceedings of the 2012 Joint International Conference on Human-Centered Computer Environments (HCCE '12)
By Rasika Ranaweera, Michael Cohen, Shun Endo
Issue Date:March 2012
pp. 178-183
With the emergence of virtual environments, even ordinary computer users can drag-and-drop 3d objects (cities, buildings, furniture, instruments, controls, animals and avatars) from galleries and arrange them to create attractive cyber-worlds. We have crea...
     
Automatic generation of destination maps
Found in: ACM SIGGRAPH Asia 2010 papers (SIGGRAPH ASIA '10)
By David Bargeron, David Salesin, Johannes Kopf, Maneesh Agrawala, Michael Cohen
Issue Date:December 2010
pp. 20-21
Destination maps are navigational aids designed to show anyone within a region how to reach a location (the destination). Hand-designed destination maps include only the most important roads in the region and are non-uniformly scaled to ensure that all of ...
     
Content-aware dynamic timeline for video browsing
Found in: Proceedings of the 23nd annual ACM symposium on User interface software and technology (UIST '10)
By Gonzalo Ramos, Jue Wang, Michael Cohen, Suporn Pongnumkul
Issue Date:October 2010
pp. 139-142
When browsing a long video using a traditional timeline slider control, its effectiveness and precision degrade as a video's length grows. When browsing videos with more frames than pixels in the slider, aside from some frames being inaccessible, scrolling...
     
Street slide: browsing street level imagery
Found in: ACM SIGGRAPH 2010 papers (SIGGRAPH '10)
By Billy Chen, Johannes Kopf, Michael Cohen, Richard Szeliski
Issue Date:July 2010
pp. 10-18
Systems such as Google Street View and Bing Maps Streetside enable users to virtually visit cities by navigating between immersive 360° panoramas, or bubbles. The discrete moves from bubble to bubble enabled in these systems do not provide a good visu...
     
Creating map-based storyboards for browsing tour videos
Found in: Proceedings of the 21st annual ACM symposium on User interface software and technology (UIST '08)
By Jue Wang, Michael Cohen, Suporn Pongnumkul
Issue Date:October 2008
pp. 1-2
Watching a long unedited video is usually a boring experience. In this paper we examine a particular subset of videos, tour videos, in which the video is captured by walking about with a running camera with the goal of conveying the essence of some place. ...
     
Mobile spatial audio interfaces
Found in: Proceedings of the 9th international conference on Human computer interaction with mobile devices and services (MobileHCI '07)
By Adrian David Cheok, Michael Cohen, Owen Noel Newton Fernando
Issue Date:September 2007
pp. 345-347
For an increasing amount of people (especially young people), the mobile phone, and not the computer, is becoming their main media device and portal to the virtual world. Mobile phones have become a ubiquitous technology and for many people an important to...
     
Photographing long scenes with multi-viewpoint panoramas: Copyright restrictions prevent ACM from providing the full text for this work.
Found in: ACM SIGGRAPH 2006 Papers (SIGGRAPH '06)
By Aseem Agarwala, David Salesin, Maneesh Agrawala, Michael Cohen, Richard Szeliski
Issue Date:July 2006
pp. 44-es
We present a system for producing multi-viewpoint panoramas of long, roughly planar scenes, such as the facades of buildings along a city street, from a relatively sparse set of photographs captured with a handheld still camera that is moved along the scen...
     
Photographing long scenes with multi-viewpoint panoramas: Copyright restrictions prevent ACM from providing the full text for this work.
Found in: Material presented at the ACM SIGGRAPH 2006 conference (SIGGRAPH '06)
By Aseem Agarwala, David Salesin, Maneesh Agrawala, Michael Cohen, Richard Szeliski
Issue Date:July 2006
pp. 44-es
We present a system for producing multi-viewpoint panoramas of long, roughly planar scenes, such as the facades of buildings along a city street, from a relatively sparse set of photographs captured with a handheld still camera that is moved along the scen...
     
Stylizing 2.5-D video
Found in: Proceedings of the 3rd international symposium on Non-photorealistic animation and rendering (NPAR '06)
By C. Lawrence Zitnick, Michael Cohen, Noah Snavely, Sing Bing Kang
Issue Date:June 2006
pp. 63-69
In recent years considerable interest has been given to non-photorealistic rendering of photographs, video, and 3D models for illustrative or artistic purposes. Conventional 2D inputs such as photographs and video are easy to create and capture, while 3D m...
     
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