267 search results - page 11 / 54 » Fractal Transforms and Feature Invariance |
ISVC
2010
Springer
13 years 7 months ago
2010
Springer
In this paper, the well-known SIFT detector is extended with a bivariate feature localization. This is done by using function models that assume a Gaussian feature shape for the de...
ICCV
2011
IEEE
12 years 9 months ago
2011
IEEE
Local photometric descriptors are a crucial low level component of numerous computer vision algorithms. In practice, these descriptors are constructed to be invariant to a class o...
ICASSP
2011
IEEE
13 years 22 days ago
2011
IEEE
In this paper, we propose a method to extract features from three-dimensional acceleration signals. The proposed method is based on the (auto-)correlation matrix of Fourier transf...
ICPR
2008
IEEE
14 years 3 months ago
2008
IEEE
Discrete Wavelet Transform (DWT) is sensitive to the translation/shift of input signals, so its effectiveness could be negatively impacted when we encounter translation among sign...
ICMCS
2006
IEEE
14 years 3 months ago
2006
IEEE
A near-planar object seen from different viewpoints results in differently deformed images. Under some assumptions, viewpoint changes can be modeled by affine transformations. Sh...