A Collaborative Tool for Synchronous Distance Education (2008)
Andres Agudelo, Lina Escobar, Juliana Restrepo, Andres Quiroz, Helmuth Trefftz, Key Words
In this paper we report preliminary results of the use of a telepresence application in a simulated distance education setting. The application combines video-conference with a networked virtual...
SUPPORTING THE LEARNING PROCESS IN THE CLASSROOM USING 3D COLLABORATION ON MOBILE DEVICES (2008)
Helmuth Trefftz, Omar Gómez, Pedro Vicente, Esteban Duarte, John Trujillo, Edwin Montoya
The current every-day-use of mobile computing devices seems to be restricted to applications such as address books, calendars, task lists, simple web navigation and games. In this particular project...
Juan E. Jaramillo, Lina Escobar, Helmuth Trefftz
Abstract. We propose a communication’s architecture for scaling distributed environments, aimed at minimizing the number of required multicast groups. The fundamental idea is to approximate the...
SUPPORTING THE LEARNING PROCESS IN THE CLASSROOM USING 3D COLLABORATION ON MOBILE DEVICES (2008)
Helmuth Trefftz, Omar Gómez, Pedro Vicente, Esteban Duarte, John Trujillo, Edwin Montoya
The current every-day-use of mobile computing devices seems to be restricted to applications such as address books, calendars, task lists, simple web navigation and games. In this particular project...
Achieving Object Persistence In An Augmented Reality Indoor Environment (2008)
Manuel Daniel Gutiérrez, Aida Margarita Márquez, Helmuth Trefftz
In this paper we present a system for achieving object persistence in Augmented Reality Indoors Environments. In AR systems based on the Augmented Reality toolkit without object persistence, virtual...
Http Mitpress Mit, Helmuth Trefftz, Ivan Marsic, Michael Zyda
The availability of inexpensive and powerful graphics cards as well as fast Internet connections make networked virtual environments viable for millions of users and many new applications. It is...
Reconstrucción virtual del mito Emberá de la creación del agua utilizando agentes autónomos (2007)
Andrés Quiroz, Santiago Vélez, Juliana Restrepo, Helmuth Trefftz, Juan David Velásquez
Reconstrucción virtual del mito Emberá de la creación del agua utilizando agentes autónomos
Reconstrucción virtual del mito Emberá de la creación del agua utilizando agentes autónomos (2005)
Quiroz , Andrés, Restrepo , Juliana, Trefftz , Helmuth, Velásquez , Juan David, Vélez , Santiago
Este artículo describe un Entorno Virtual Proyectado, en el cual se reconstruye el mito Emberá de la creación del agua. Desde el punto de vista técnico, un objetivo del proyecto es lograr que la...
Telepresence Support for Synchronous Distance Education (2005)
Juliana Restrepo, Helmuth Trefftz
This paper describes a telepresence application that combines bi-directional video, audio and a shared virtual environment as means to support synchronous distance education sessions. In order to...
System wide constraints and user preferences in collaborative virtual environments / (2002)
"Graduate Program in Electrical and Computer Engineering."
Handling Heterogeneity in Networked Virtual Environments (2002)
Helmuth Trefftz, Ivan Marsic, Michael Zyda
The availability of inexpensive and powerful graphics cards as well as fast Internet connections make networked virtual environments viable for millions of users and many new applications. It is...
Sharing Viewpoints in Collaborative Virtual Environments (2000)
Steven Valin, Andreea Francu, Helmuth Trefftz, Ivan Marsic
In this paper we explore to what degree shared viewpoints in three-dimensional collaborative virtual environments enable effective collaboration. A lightweight Java-based tool for creating...
Heterogeneous Collaboration Using XML (2000)
Ivan Marsic, Allan Krebs, Helmuth Trefftz, Bogdan Dorohonceanu, Marilyn Tremaine
The recent proliferation of computing devices and use contexts demand equivalent diversity in collaborative applications. Our work on the DISCIPLE and Manifold frameworks supports the development of...
Sharing Viewpoints in Collaborative Virtual Environments (2000)
Steven Valin, Andreea Francu, Helmuth Trefftz, Ivan Marsic
In this paper we explore to what degree shared viewpoints in three-dimensional collaborative virtual environments enable effective collaboration. The paper applies research on shared viewpoints and...
Realidad virtual distribuida para soportar la educación a distancia en Colombia
Trefftz, Helmuth, Correa, Carlos David, González, Miguel ángel, Restrepo, Juliana, Trefftz, Christian
En: ADIE : revista de enseñanza y tecnología Ciudad Real 1998, n.10, abril-junio; p. 6-13