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PAMI
2006
84views more  PAMI 2006»
9 years 9 months ago
Wavelet Approximation-Based Affine Invariant Shape Representation Functions
In this paper, new wavelet-based affine invariant functions for shape representation are presented. Unlike the previous representation functions, only the approximation coefficient...
Ibrahim El Rube, Maher Ahmed, Mohamed S. Kamel
SMI
2006
IEEE
168views Image Analysis» more  SMI 2006»
10 years 3 months ago
Spherical Wavelet Descriptors for Content-based 3D Model Retrieval
The description of 3D shapes with features that possess descriptive power and invariant under similarity transformations is one of the most challenging issues in content based 3D ...
Hamid Laga, Hiroki Takahashi, Masayuki Nakajima
ICPR
2004
IEEE
10 years 10 months ago
Multiscale Fourier Descriptor for Shape-Based Image Retrieval
The shapes occurring in the images are important in the content-based image retrieval. In this paper we introduce a new Fourier-based descriptor for the characterization of the sh...
Iivari Kunttu, Leena Lepistö, Juhani Rauhamaa...
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