3D Scanning of "Unscannable" Objects
Speaker: Matthias Hullin , MPI (just finishing a 3-month visit to MIT's Media Lab)
Date: June 25 2009
Time: 2:00PM to 3:00PM
Location: 32-D407
Host: Sam Hasinoff, MIT - Computer Graphics Group
Contact: Sam Hasinoff, hasinoff@csail.mit.edu
Relevant URL: http://mpii.de/~hullin
The quality of a 3D range scan should be independent of the surface
properties of the object. Most active range scanning techniques,
however, assume a diffuse reflector to allow for a robust detection of
incident light patterns. In our approach we embed the object in a
fluorescent liquid, making light rays visible in the volume. This
allows for the acquisition of high quality scans for materials with a
wide range of different reflectance properties, including very dark
surfaces, translucent materials, or even clear glass.
Matthias Hullin has been a doctoral student with Prof. Hans-Peter
Seidel at the Max Planck Institute for Computer Science in
Saarbrücken, Germany, since 2007. His areas of interest include 3D
scanning, reflectance acquisition, and computational photography.
Prior to turning to computer graphics, he studied physics in
Kaiserslautern, Germany, and Uppsala, Sweden, graduating in 2007 about
development and characterization of a femtogram-sensitive mass sensor
for use in liquid media.
Matthias is available all day to meet with people who are interested.
Let me know and I can help coordinate his schedule.
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