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ICCV
2003
IEEE
14 years 10 months ago
Shape Gradients for Histogram Segmentation using Active Contours
We consider the problem of image segmentation using active contours through the minimization of an energy criterion involving both region and boundary functionals. These functiona...
Stéphanie Jehan-Besson, Michel Barlaud, Gil...
MICCAI
2009
Springer
14 years 10 months ago
A Shape Relationship Descriptor for Radiation Therapy Planning
In this paper we address the challenge of matching patient geometry to facilitate the design of patient treatment plans in radiotherapy. To this end we propose a novel shape descri...
Michael M. Kazhdan, Patricio D. Simari, Todd McNut...
ICRA
2005
IEEE
130views Robotics» more  ICRA 2005»
14 years 2 months ago
A Shape Tracking Algorithm for Visual Servoing
— The paper contributes to presenting both an accurate and robust shape tracking algorithm and a novel visual servoing method. Two steps are involved in the tracking algorithm. F...
Peihua Li, François Chaumette, Omar Tahri
TMI
2011
130views more  TMI 2011»
13 years 3 months ago
Parameterization-Invariant Shape Comparisons of Anatomical Surfaces
—We consider 3D brain structures as continuous parameterized surfaces and present a metric for their comparisons that is invariant to the way they are parameterized. Past compari...
Sebastian Kurtek, Eric Klassen, Zhaohua Ding, Sand...
CVPR
2007
IEEE
14 years 11 months ago
Keypoint Descriptors for Matching Across Multiple Image Modalities and Non-linear Intensity Variations
In this paper, we investigate the effect of substantial inter-image intensity changes and changes in modality on the performance of keypoint detection, description, and matching a...
Avi Kelman, Michal Sofka, Charles V. Stewart