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DCG
2010
79views more  DCG 2010»
14 years 12 months ago
Three-Dimensional Classical Groups Acting on Polytopes
Let V be a 3-dimensional vector space over a finite field. We show that any irreducible subgroup of GL(V ) that arises as the automorphism group of an regular polytope preserves a...
Peter A. Brooksbank, Deborah A. Vicinsky
MICCAI
2008
Springer
16 years 1 months ago
Segmenting Brain Tumors Using Pseudo-Conditional Random Fields
Locating Brain tumor segmentation within MR (magnetic resonance) images is integral to the treatment of brain cancer. This segmentation task requires classifying each voxel as eith...
Chi-Hoon Lee, Shaojun Wang, Albert Murtha, Matt...
ECCV
2002
Springer
16 years 1 months ago
Normalized Gradient Vector Diffusion and Image Segmentation
Abstract. In this paper, we present an approach for image segmentation, based on the existing Active Snake Model and Watershed-based Region Merging. Our algorithm includes initial ...
Zeyun Yu, Chandrajit L. Bajaj
ICRA
2009
IEEE
231views Robotics» more  ICRA 2009»
15 years 6 months ago
Accurate 3D ground plane estimation from a single image
— Accurate localization of landmarks in the vicinity of a robot is a first step towards solving the SLAM problem. In this work, we propose algorithms to accurately estimate the ...
Anoop Cherian, Vassilios Morellas, Nikolaos Papani...
ECCV
2004
Springer
15 years 3 months ago
Coaxial Omnidirectional Stereopsis
Catadioptric omnidirectional sensors (catadioptric cameras) capture instantaneous images with panoramic 360 field of view. Entire surroundings are projected via a circularly symme...
Libor Spacek