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He used to tell me, 'The only important thing is that you like what you do, dont look for money, dont look for fame, just do what you really enjoy'. I guess, as always, he was right. I love what I do and I hope I always will.




My research interests span a number of areas, however, the constant has always been Computer Graphics. The first project I ever developed (a graphical representation of a robotic arm) introduced me to the joy of playing with matrices, vectors and pixels. Ever since I have deviated little in my research carrer. Now that I have reached the begining of my Doctoral studies, I found myself happily in the middle of Scene Graph designs and GPU programming. I am currently focusing on Visualization Techniques for Geographical Data for Augmented Reality. Below, you will find a little background and publication info on the following topics (in order of interest):

  • Computer Graphics Rendering
  • Augmented Reality
  • Virtual Reality
  • Haptic Interaction
  • Human Computer Interaction
  • Volume Visualization
  • Tracking
  • Image Processing
  • Object Reconstruction



"On the Usage of Context for Augmented Reality Visualization," Mendez E., Dissertation
[ PDF 7.7M ]

"Generating Semantic 3D Models of Underground Infrastructure," Mendez E., Schall G., Havemann S., Junghanns S., Fellner D., Schmalstieg D., In IEEE Computer Graphics and Applications, Volume 28, Issue 3, Special Issue on Procedural Methods for Urban Modeling, pp. 48-57, 2008
[ PDF 1.6M ]

"Interactive Focus and Context Visualization for Augmented Reality," BEST STUDENT PAPER AWARD Kalkofen D., Mendez E., Schmalstieg D., In Proceedings International Symposium on Mixed and Augmented Reality 2007, Nara, Japan, pp. 191-200,
[ PDF 1.8M ]

"Interactive Context-Driven Visualisation Tools for Augmented Reality," Mendez E., Kalkofen D., Schmalstieg D., In Proceedings of ISMAR 2006, October 22-25, 2006, Santa Barbara, California, USA. pp. 209-218
[ PDF 2M ] [ AVI 46M ]

"Interactive American Sign Language Dictionary," Hernandez-Rebollar J.L., Mendez E., In Sketches of ACM SIGGRAPH 2004, August 8-12, 2004, Los Angeles, California, USA
[ PDF 50K - GWU ]


[ Full List ]

Current Work

  • Check out the Visual AR page.
  • And also look at some videos of my work on Youtube.
  • Daniel and me just recently did panoramas of our VRLab
  • One of the painful, yet necessary, tasks of my work is to calibrate cameras and get the Camera Files for DSVL, ARToolkitPlus and Studierstube's SoOffAxisCamera. Feel free to send me the files for your cameras and I will upload them
  • A Lightbox which I built for taking photographs of our equipment
  • Context Sensitive Magic Lenses published at ISMAR, and part of my Vidente project
  • Vidente is my dissertation project



I consider my professional formation to have started from high school where I was one of the few who actually enjoyed computer programming.

Formally, however, I started my education as a computer scientist in the summer of 1997 at the Benemerita Universidad Autonoma de Puebla, in Puebla, Mexico. At the BUAP (for short) I joined the Facultad de Ciencias de la Computacion, and even though we were not required to have a formal advisor, I can proudly say that Dr. Manuel Martin Ortiz took care of nurturing my interests in graphics. It is thanks to him the little -or big- knowledge of Algorithms and Data Structures that I have now. And this is not considering all the other areas where he challenged me, which included server administration and image processing. It is this last area that I believe was the trigger to my desire to push my knowledge with the advances of technology. Under my advisor's supervision, a dear friend of mine, Sergio Hernandez Alamilla, and I developed a project called "3D Scanner" which implemented some basic techniques of object reconstruction based on image processing, this project was then successfully presented at the Expo Science International 2001, in Grenoble, France. An event that I recommend to all students under 21, as is a great experience, and which I attended for the first time with a project called "Computer-controlled Robotic Arm" in its 1999 edition.

After finishing my undergraduate studies, now with a BSc. in Computer Science in hand (or the Mexican equivalent, "Licenciado en Ciencias de la Computacion"), I joined a small local company specialized in web services. However, my curiosity drove me to apply to different universities where I could pursuit a graduate degree.

In the beginning of 2003, I joined The George Washington University, in Washington DC, USA, to the School of Engineering and Applied Sciences. As a part of the Computer Science Department, my advisor, Dr. Rob Lindeman, was the one guilty of introducing me to this entire world world we call research. He gave me not only the opportunity of earning a graduate degree in Computer Science, but he also introduced me to different technologies spanning from Tracking, to my then unknown Haptic Interaction. He, being the inventor of the Tactaboard technology, pushed me into truly entering the world of Computer Science Research. Under his supervision, I entered the world of Scene Graphs, Vibrotactile Feedback, Force Feedback, Human Computer Interaction, Tracking, and not only that, but I had the chance to be funded by AOL, NRL, attend a number of conferences, and meet a number of people of this field, who later on I will encounter often. On the way of my graduate studies I could also work with Dr. Jose Luis Hernandez-Rebollar, who is an alumnus of my former university, a Research Professor at GWU, a friend and my brother in law. Working with him I helped a little on the graphical interface of his famous project, the Acceleglove. He, Jose Luis, is himself a former advisee of Rob (yeah, I don't call him Dr. Lindeman). Rob, on top of all his trust introduced me to Dr. Haruo Noma and Dr. Yasuyuki Yanagida of the Advanced Telecommunications and Research Institute, where they kindly offered me a research assistantship stay in Japan for a whole summer. There, I got in contact with a number of technologies, and apporting a little of my knowledge, we could successfully submit a paper to the World Haptics Conference on the work developed in those two months. Thanks to Dr. Lindeman, and also to Dr. John Sibert, I knew I wanted to continue doing this further more. My recently earned MSc. in Computer Science was just not enough.

Once again, Rob did a big favor to me by introducing me to one of his friends and colleague Dr. Dieter Schmalstieg. I met Dieter (no, I don't call him Dr. Schmalstieg either), in the fall of 2004, and, giving a great leap of faith, after two months of meeting me for the first and only time, he offered me a position as a PhD Candidate and research assistant under his supervision. It is then that I decided to move my residence to Graz, Austria, where I currently live. I have enrolled myself as a Doctoral Student of the Technische Universität Graz, in the Fakultät für Informatik under the Institut für Maschinelles Sehen und Darstellen, where I am a part of the Computer Graphics group leaded by Dieter. I can happily say that my stay here has been fantastic. I have gotten myself deeper into Scene Graphs, Semantic and Context Sensitive Information, Tracking and Visualization of Geographical Data, and to top it all I am learning German.

Life is good, work is great.


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