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ISBI
2009
IEEE
14 years 3 months ago
Laplace-Beltrami Nodal Counts: A New Signature for 3D Shape Analysis
In this paper we develop a new approach of analyzing 3D shapes based on the eigen-system of the Laplace-Beltrami operator. While the eigenvalues of the Laplace-Beltrami operator h...
Rongjie Lai, Yonggang Shi, Ivo D. Dinov, Tony F. C...
MIAR
2010
IEEE
13 years 7 months ago
Hidden Markov Model for Quantifying Clinician Expertise in Flexible Instrument Manipulation
Clinicians are trained to manipulate a colonoscope while minimizing the force exerted on the colon walls to reduce the danger of luminal perforation and discomfort to the patient. ...
Jagadeesan Jayender, Raúl San José E...
MICCAI
2009
Springer
14 years 10 months ago
Steerable Features for Statistical 3D Dendrite Detection
Most state-of-the-art algorithms for filament detection in 3?D image-stacks rely on computing the Hessian matrix around individual pixels and labeling these pixels according to its...
François Aguet, François Fleuret, Ge...
MICCAI
2005
Springer
14 years 10 months ago
Finding Landmarks in the Functional Brain: Detection and Use for Group Characterization
Abstract. FMRI group studies are usually based on stereotactic spatial normalization and present voxel by voxel average activity across subjects. This technique does not in general...
Bertrand Thirion, Philippe Pinel, Jean-Baptiste Po...
MICCAI
2010
Springer
13 years 7 months ago
Tract-Based Probability Densities of Diffusivity Measures in DT-MRI
We evaluate probability density functions of diffusivity measures in DTI fiber tracts as biomarkers. For this, we estimate univariate and bivariate densities, such as joint probabi...
Çagatay Demiralp, David H. Laidlaw