3D Medical Collaboration Technology to Enhance Emergency Healthcare (2009)
Gregory F. Welch; The University Of North Carolina At Chapel Hill, Diane H. Sonnenwald; University Of Gothenburg And The University Of Borås, Henry Fuchs; The University Of North Carolina At Chapel Hill, Bruce Cairns; The University Of North Carolina At Chapel Hill, Ketan Mayer-Patel; The University Of North Carolina At Chapel Hill, Hanna M. Söderholm; University Of Gothenburg And The University Of Borås, ...
Two-dimensional (2D) videoconferencing has been explored widely in the past 15–20 years to support collaboration in healthcare. Two issues that arise in most evaluations of 2D videoconferencing in...
Toward a Common Infrastructure for (2008)
Elan Amir, Yatin Chawathe, Alan Coopersmith, Ketan Mayer-patel, Suchitra Raman, ...
Real-time multimedia streams like audio and video are now integral data types in modern programming environments. Although a great deal of research has investigated effective and efficient...
David E. Ott, Ketan Mayer-patel
We consider the problem of flow coordination in distributed multimedia applications. Most transport-level protocols are designed to operate independently and lack mechanisms for sharing information...
Abstract. We present a framework for scalable delivery of digitized environments. Today’s digital museums distribute images, text, sounds, and videos. Our work targets the distribution of a more...
Ketan Mayer-patel, Brian C. Smith, Lawrence A. Rowe
This paper reprises the original description of the Berkeley software-only MPEG-1 video decoder
Improving, Expanding and Extending 3D Telepresence Abstract (2008)
Greg Welch, Henry Fuchs, Bruce Cairns, Ketan Mayer-patel, Diane H. Sonnenwald, Ruigang Yang, ...
For over a decade we have been pursuing a vision of threedimensional (3D) telepresence. Our primary driving problem is 3D medical consultation. Our basic goal is to enhance and expand medical...
Toward a Common Infrastructure for (2008)
Elan Amir, Yatin Chawathe, Alan Coopersmith, Ketan Mayer-patel, Suchitra Raman, ...
Real-time multimedia streams like audio and video are now integral data types in modern programming environments. Although a great deal of research has investigated effective and efficient...
Toward a Common Infrastructure for (2007)
Elan Amir, Yatin Chawathe, Alan Coopersmith, Ketan Mayer-patel, Suchitra Raman, ...
Real-time multimedia streams like audio and video are now integral data types in modern programming environments. Although a great deal of research has investigated effective and efficient...
Incorporating Application-Level Knowledge into the MPEG-2 Coding Model (2007)
Current multimedia standards (in particular video standards) are in exible and designed for speci c applications, often without regard for heterogenous network environments like the Internet....
Transport-level Protocol Coordination in Distributed Multimedia Applications (2007)
David E. Ott, Ketan Mayer-Patel
this dissertation, we argue that cluster-to-cluster applications like O#ce of the Future could significantly benefit from network mechanisms that facilitate transport-level protocol coordination of...
Improving, expanding and extending 3D telepresence (2005)
Welch, Greg F., Fuchs, Henry, Mayer-Patel, Ketan, Cairns, Bruce, Sonnenwald, Diane H., Yang, Ruigang, ...
Remote 3D Medical Consultation (2005)
Greg Welch Diane, Diane H. Sonnenwald, Ketan Mayer-patel, Ruigang Yang, Andrei State, Herman Towles, ...
Two-dimensional (2D) video-based telemedical consultation has been explored widely in the past 15--20 years. Two issues that seem to arise in most relevant case studies are the difficulty associated...
Remote 3D medical consultation (2005)
Greg Welch, Diane H. Sonnenwald, Ketan Mayer-patel, Ruigang Yang, Andrei State, Herman Towles, ...
Abstract — Two-dimensional (2D) video-based telemedical consultation has been explored widely in the past 15– 20 years. Two issues that seem to arise in most relevant case studies are the...
Improving, expanding and extending 3D telepresence (2005)
Welch, Greg F., Fuchs, Henry, Mayer-Patel, Ketan, Cairns, Bruce, Sonnenwald, Diane H., Yang, Ruigang, ...
3D Telepresence for off-line surgical training and on-line remote consultation (2004)
Welch, Greg F., Yang, Ruigang, Cairns, Bruce, Towles, Herman, State, Andrei, Ilie, Adrian, ...
MPEG2Event: A Framework for Developing Analysis Tools for Compressed Video (2004)
Ketan Mayer-patel, Jim Gemmell, Ketan Mayer-patel, Jim Gemmell
This paper describes two contributions to the analysis of MPEG video compression: the MPEG2Event library and the MPEGstats web site. MPEG2Event is a C # library intended to facilitate rapid...
Aggregate Congestion Control for Distributed Multimedia Applications (2004)
David E. Ott, Travis Sparks, Ketan Mayer-Patel
We consider the problem of applying aggregate congestion control to a class of distributed multimedia applications known as Cluster-to-Cluster (C-to-C) applications. Flows in such an application...
Aggregate Congestion Control for Distributed Multimedia Applications (2004)
David E. Ott, Travis Sparks, Ketan Mayer-Patel
We consider the problem of applying aggregate congestion control to a class of distributed multimedia applications known as Cluster-to-Cluster (C-to-C) applications. Flows in such an application...
Coordinated Multi-streaming for 3D Tele-immersion (2004)
This paper looks at the problem of multi-streaming in 3D teleimmersion and describes how a protocol architecture called CP (for Coordination Protocol) can be used to coordinate video frame transport...
3d telepresence for off-line surgical training and on-line remote consultation (2004)
Greg Welch, Ruigang Yang, Bruce Cairns, Herman Towles, Dan Russo, ...
We present an overview of multi-year efforts aimed at developing technology to support natural telepresence over time for off-line surgical training, and over space for on-line or “live ” remote...
3D Telepresence for off-line surgical training and on-line remote consultation (2004)
Welch, Greg F., Yang, Ruigang, Cairns, Bruce, Towles, Herman, State, Andrei, Ilie, Adrian, ...
A Constraint Satisfaction Approach to Testbed Embedding Services (2003)
Jeffrey Considine, John W. Byers, Ketan Mayer-patel
Today's networking community is becoming increasingly skeptical of the significance of research results founded wholly upon experimental results conducted in simulation. Now, with the...
Transport-level protocol coordination in cluster-to-cluster applications (2002)
David E. Ott, Ketan Mayer-patel
Future Internet applications will increasingly use multiple communications and computing devices in a distributed fashion. In this paper, we identify an emerging and important application class...
An MPEG performance model and its application to adaptive forward error correction (2002)
We present a general analytical model for predicting the reconstructed frame rate of an MPEG stream. Our model captures the temporal relationships between I-, P, and Bframes but is independent of the...
A Mechanism for TCP-Friendly Transport-level Protocol Coordination (2002)
David E. Ott, Ketan Mayer-patel
In this paper, we identify an emerging and important application class comprised of a set of processes on a cluster of devices communicating to a remote set of processes on another cluster of devices...
Spatially-encoded far-field representations for interactive walkthroughs (2001)
Andrew Wilson, Ketan Mayer-patel, Dinesh Manocha
Abstract: We introduce the notion of spatially encoded video and use it for efficiently representing image-based impostors for interactive walkthroughs. As part of a pre-process, we automatically...
Transport-level Protocol Coordination in Cluster-to-Cluster Applications (2001)
David E. Ott, Ketan Mayer-patel
Future Internet applications will increasingly use multiple communications and computing devices in a distributed fashion. In this paper, we identify an emerging and important application class...
dc: A Live Webcast Control System (2001)
Tai-ping Yu, David Wu, Ketan Mayer-patel, Lawrence A. Rowe
Webcasts can adopt techniques developed by television to obtain higher quality. Television production techniques, however, cannot be integrated into webcast production without considering the...
Spatially-Encoded Far-Field Representations for Interactive (2001)
Andrew Wilson Ketan, Andrew Wilson, Ketan Mayer-patel, Dinesh Manocha
We introduce the notion of spatially encoded video and use it for efficiently representing image-based impostors for interactive walkthroughs. As part of a pre-process, we automatically decompose the...
Exploiting Spatial Parallelism for Software-only Video Effects Processing (1999)
Ketan Mayer-Patel, Lawrence A. Rowe
Video effects play an important role in adding production value to video programs. The use of video effects with Internet Video sources, however, is still uncommon because traditional hardware-based...
A Multicast Control Scheme for Parallel Software-only Video Effects Processing (1999)
Ketan Mayer-Patel, Lawrence A. Rowe
We have developed a parallel software-only processing system for creating real-time video effects such as titling and compositing (e.g., picture-in-picture) using compressed Internet video sources....
Software-only video production switcher for the Internet MBone (1998)
Tina Wong, Ketan Mayer-patel, David Simpson, Lawrence A. Rowe
In this paper, we describe the design and implementation of a prototype software video production switcher, vps, that improves the quality of the content of MBone broadcasts. vps is modeled after the...
Exploiting Temporal Parallelism For Software-only Video Effects Processing (1998)
Ketan Mayer-patel, Lawrence Rowe
Internet video is emerging as an important multimedia application area. Although development and use of video applications is increasing, the ability to manipulate and process video is missing within...
A Software-Only Video Production Switcher for the Internet MBone (1998)
T. Wong, K. Mayer-Patel, Tina Wong, Ketan Mayer-patel, D. Simpson, L.A. Rowe
In this paper, we describe the design and implementation of a software video production switcher, vps, that improves the quality of MBone broadcasts. vps is modeled after the broadcast television...
Software-only video production switcher for the Internet MBone (1998)
Tina Wong, Ketan Mayer-patel, David Simpson, Lawrence A. Rowe
In this paper, we describe the design and implementation of a software video production switcher, vps, that improves the quality of MBone broadcasts. vps is modeled after the broadcast television...
Design and performance of the Berkeley Continuous Media Toolkit (1997)
Ketan Mayer-patel, Prof Lawrence, A. Rowe
The design and performance of the Berkeley Continuous Media Toolkit (CMT) is described. CMT provides a programming environment for rapid development of continuous media applications. CMT overhead is...
Toward a Common Infrastructure for Multimedia-Networking Middleware (1997)
Steven McCanne, Elan Amir, Yatin Chawathe, Alan Coopersmith, Ketan Mayer-patel, Suchitra Raman, ...
Real-time multimedia streams like audio and video are now integral data types in modern programming environments. Although a great deal of research has investigated effective and efficient...