81 search results - page 5 / 17 » Curvelet transform on the sphere |
MVA
2007
13 years 8 months ago
2007
Image contrast enhancement plays an important role in many machine vision applications. In this study, we propose a new method for edge enhancement based on analysis on embedded s...
IPMI
2001
Springer
14 years 8 months ago
2001
Springer
A method for building a statistical shape model of sulci of the human brain cortex is described. The model includes sulcal fundi that are defined on a spherical map of the cortex. ...
ICPR
2008
IEEE
14 years 1 months ago
2008
IEEE
In this paper we apply the classic theory of Harmonic Analysis and the Conformal Geometric Algebra (CGA) to evaluate the Fourier transform on the unit sphere S2 and on the rotatio...
IWCIA
2009
Springer
14 years 1 months ago
2009
Springer
In discrete geometry, the Distance Transformation and the Medial Axis Extraction are classical tools for shape analysis. In this paper, we present a Hierarchical Discrete Medial Ax...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
This paper presents an analytical approach to evaluate the expected complexity of a generalized sphere decoding (GSD) algorithm, GSDλ − , for underdetermined integer leastsquare...