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ISBI
2007
IEEE
15 years 6 months ago
Automated Segmentation of the Right Heart Using an Optimized Shells and Spheres Algorithm
We have developed a novel framework for medical image analysis, known as Shells and Spheres. This framework utilizes spherical operators of variable radius centered at each image ...
Aaron Cois, Ken J. Rockot, John M. Galeotti, Rober...
ICIP
2005
IEEE
15 years 5 months ago
Curvelet transform on the sphere
We present in this paper new multiscale transforms on the sphere, namely the isotropic undecimated wavelet transform, the pyramidal wavelet transform, the ridgelet transform and t...
Pierrick Abrial, Jean-Luc Starck, Yassir Moudden, ...
ICRA
2002
IEEE
138views Robotics» more  ICRA 2002»
15 years 4 months ago
A Mobile Manipulator for Installation and Removal of Aircraft Warning Spheres on Aerial Power Transmission Lines
A semi-autonomous robot for autonomous installation and removal of aircraft warning spheres on overhead wires of electric power transmission lines is described here. Hybrid system...
Mario Fernando Montenegro Campos, Guilherme A. S. ...
CPC
2007
112views more  CPC 2007»
14 years 11 months ago
Graphs with Large Girth Not Embeddable in the Sphere
In 1972, M. Rosenfeld asked if every triangle-free graph could be embedded in the unit sphere Sd in such a way that two vertices joined by an edge have distance more than √ 3 (i...
Pierre Charbit, Stéphan Thomassé
CORR
2010
Springer
159views Education» more  CORR 2010»
14 years 11 months ago
A Novel VLSI Architecture of Fixed-complexity Sphere Decoder
Fixed-complexity sphere decoder (FSD) is a recently proposed technique for multiple-input multiple-output (MIMO) detection. It has several outstanding features such as constant thr...
Bin Wu, Guido Masera