896 search results - page 10 / 180 » A Perceptual Shape Descriptor |
SMI
2007
IEEE
14 years 2 months ago
2007
IEEE
We address the 3D object retrieval problem using multivariate density-based shape descriptors. Considering the fusion of first and second order local surface information, we cons...
SGP
2004
13 years 11 months ago
2004
In this paper, we present the Symmetry Descriptors of a 3D model. This is a collection of spherical functions that describes the measure of a model's rotational and reflectiv...
CVPR
2010
IEEE
13 years 6 months ago
2010
IEEE
In this paper, based on manifold harmonics, we propose a novel framework for 3D shape similarity comparison and partial matching. First, we propose a novel symmetric meanvalue rep...
ICASSP
2007
IEEE
14 years 2 months ago
2007
IEEE
Lung nodule detection, especially ground glass opacity (GGO) detection, in helical computed tomography (CT) images is a challenging Computer-Aided Detection (CAD) task due to the ...
ECCV
2008
Springer
14 years 10 months ago
2008
Springer
Abstract. Despite the ubiquitous use of range images in various computer vision applications, little has been investigated about the size variation of the local geometric structure...