83 search results - page 7 / 17 » Scale Invariance and Noise in Natural Images |
SSIAI
2000
IEEE
14 years 3 hour ago
2000
IEEE
Moment invariants are invariant under shifting, scaling and rotation. They are widely used in pattern recognition because of their discrimination power and robustness. HMM method ...
SSIAI
2002
IEEE
14 years 16 days ago
2002
IEEE
This report addresses the issues involved in developing a robust segmentation technique capable of finding the location and orientation of the cervical vertebrae in x-ray images. ...
PRL
2002
13 years 7 months ago
2002
This paper proposes a wavelet based edge detection scheme by scale multiplication. The dyadic wavelet transforms at two adjacent scales are multiplied as a product function to mag...
ECCV
2002
Springer
14 years 9 months ago
2002
Springer
Abstract. We introduce a new type of local feature basedon the phaseand amplitude responsesof complex-valuedsteerable filters. The designof this local feature is motivated by a des...
ICCV
1998
IEEE
14 years 9 months ago
1998
IEEE
We devise a statistical framework for edge detection by performing a statistical analysis of zero crossings of the second derivative of an image. This analysis enables us to estim...