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Alexander Löffler

German Research Center for Artificial Intelligence GmbH (DFKI)
Research Department Agents and Simulated Reality (ASR)
Campus D3.2
66123 Saarbrücken
Germany

Office: Building D3.4, Room 0.74 NB
Phone: +49 (0)681 85775-7743
Fax: +49 (0)681 85775-2235
Mail: alexander dot loeffler at dfki dot de
Homepage: http://www.dfki.de/~loeffler

Current Projects

  • Display as a Service (DaaS) – Use the network as transport medium for pixels and dissolve the usual 1-to-1 connection between pixel producers and displays

Previous Projects

  • DRONE – Distributed Rendering Object Network
  • MICAS – Multimedia Interdisciplinary Client Analysis System
  • NMM – Network-Integrated Multimedia Middleware
  • VISION – Immersive interface technologies for life-cycle human oriented activities in interactive aircraft-related virtual products

Research Interests

  • Graphics Virtualization – Shifting the standard graphics pipeline to the network
  • Distributed Displays – Combining display walls and mobile screens to new user experiences
  • Parallel and Distributed Rendering – Rendering 3D graphics in parallel on one and many machines
  • Virtual Reality – Creating immersive, interactive graphical user experiences
  • Software Architecture and Design – Writing well-designed and efficient software

Publications

References

Contributions to proceedings:

15.
Löffler, Alexander, Pica, Luciano, Hoffmann, Hilko and Slusallek, Philipp
Networked Displays for VR Applications: Display as a Service (DaaS)
Virtual Environments 2012: Proceedings of Joint Virtual Reality Conference of ICAT, EuroVR, and EGVE (JVRC)
Madrid, Spain
October 2012
14.
Miroll, Jochen, Löffler, Alexander, Metzger, Julian, Slusallek, Philipp and Herfet, Thorsten
Reverse Genlock for Synchronous Tiled Display Walls with Smart Internet Displays
Proceedings of the 2nd IEEE International Conference on Consumer Electronics (ICCE-Berlin)
Berlin, Germany
September 2012
13.
Löffler, Alexander, Pica, Luciano, Hoffmann, Hilko and Slusallek, Philipp
Multi-Display-Wände als skalierbare, immersive Stereo-Anzeigesysteme
9. Fachtagung "Digitales Engineering zum Planen, Testen und Betreiben technischer Systeme" (15. Fraunhofer IFF-Wissenschaftstage)
Magdeburg, Germany
June 2012
12.
Löffler, Alexander, Marsalek, Lukas, Hoffmann, Hilko and Slusallek, Philipp
Realistic Lighting Simulation for Interactive VR Applications
Virtual Environments 2011: Proceedings of Joint Virtual Reality Conference of euroVR and EGVE (JVRC) , page 1--8.
Nottingham, UK
September 2011

Note: Best Paper Award Nominee.

11.
Repplinger, Michael, Löffler, Alexander, Schug, Benjamin and Slusallek, Philipp
SORA: a Service-Oriented Rendering Architecture
3rd Workshop on Software Engineering and Architectures for Realtime Interactive Systems (SEARIS@VR2010) , page 25--30.
Waltham, MA, USA
March 2010
10.
Repplinger, Michael, Löffler, Alexander, Rubinstein, Dmitri and Slusallek, Philipp
DRONE: a Flexible Framework for Distributed Rendering and Display
Proceedings of the 7th International Conference on Visual Computing (ISVC09), Part I , page 975--986.
Las Vegas, NV, USA
November 2009
9.
Hoffmann, Hilko, Rubinstein, Dmitri, Löffler, Alexander and Slusallek, Philipp
Integration von Real-Time Raytracing in interaktive Virtual-Reality-Systeme
Digitales Engineering zum Planen, Testen und Betreiben technischer Systeme (12. Fraunhofer IFF Wissenschaftstage) , page 343--352.
Magdeburg, Germany
June 2009
8.
Repplinger, Michael, Löffler, Alexander, Schug, Benjamin and Slusallek, Philipp
Extending X3D for Distributed Multimedia Processing and Control
Proceedings of the 14th International Conference on 3D Web Technology 2009 (Web3D Symposium '09) , page 61--69.
Darmstadt, Germany
June 2009
7.
Löffler, Alexander, Repplinger, Michael and Slusallek, Philipp
Verteiltes Rendering: Flexible Spezifikation und Konfiguration mittels Multimedia-Middleware
8. Paderborner Workshop Augmented & Virtual Reality in der Produktentstehung , page 79--94.
Paderborn, Germany
May 2009

Note: Best Paper Award Nominee.

6.
Hoffmann, Hilko, Rubinstein, Dmitri, Löffler, Alexander, Repplinger, Michael and Slusallek, Philipp
Integration of Realtime Ray Tracing Into Interactive Virtual Reality Systems
Proceedings of the 2nd Sino-German Workshop Virtual Reality & Augmented Reality in Industry
Shanghai, China
April 2009
5.
Repplinger, Michael, Löffler, Alexander, Thielen, Martin and Slusallek, Philipp
A Flexible Adaptation Service for Distributed Rendering
Proceedings of 9th Eurographics Symposium on Parallel Graphics and Visualization 2009 (EGPGV '09) , page 49--56.
Munich, Germany
March 2009
4.
Repplinger, Michael, Löffler, Alexander and Slusallek, Philipp
ISReal: Advanced Computer Graphics Methods for Archaeology
Proceedings of Computer Application and Quantitative Methods in Archaeology 2009 (CAA 2009)
Williamsburg, VA, USA
March 2009

Abstract: The computer has become an indispensable tool in modern archeology for measuring, recording, organizing, searching, discussing, and presenting results. Particularly important is the use of realistic and interactive 3D graphics technology: It allows to accurately capture and present the archaeological evidence within its current 3D environment as well as to create 3D models of the historic location itself. Different possible reconstructions can be discussed and compared to the existing evidence within the same model, thus allowing to better evaluate scientific hypotheses. Given such interactive 3D models, we can then apply a multitude of other simulation techniques from computer graphics and other fields (e.g., illumination, acoustic and architectural simulations) to try to recreate the historic reality. Using the Internet, we can interconnect research groups on different locations but also make this data widely available and more accessible to non-experts. In this paper we present the ISReal project together with its first results which allows for dynamically create, large-scale, and physically realistic simulated realities with systematic semantic annotations.

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