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SUMMARY:Laplace-Beltrami Eigen-Geometry and Applications to 3D Medical Ima
 ging - Lai\, R (University of Southern California)
DTSTART:20110822T130000Z
DTEND:20110822T134500Z
UID:TALK32428@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:Rapid development of 3D data acquisition technologies stimulat
 es researches on 3D surface analysis. Intrinsic descriptors of 3D surfaces
  are crucial to either process or analyze surfaces. In this talk\, I will 
 present our recent work on 3D surfaces analysis by using Laplace-Beltrami 
 (LB) eigen-system. The intrinsically defined LB operator provides us a pow
 erful tool to study surface geometry through its LB eigen-system. By combi
 ning with other variational PDEs on surfaces\, I will show our results on 
 skeleton construction\, feature extraction\, pattern identification and su
 rface mapping in 3D brain imaging by using LB eigen-geometry. The nature o
 f LB eigen-system guarantee that our methods are robust to surfaces rotati
 on and translation variations.\n
LOCATION:Seminar Room 1\, Newton Institute
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