83 search results - page 5 / 17 » Scale Invariance and Noise in Natural Images |
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
This paper deals with the performance evaluation of three object invariant descriptors : Hu moments, Zernike moments and Fourier-Mellin descriptors. Experiments are conducted on a...
WACV
2005
IEEE
14 years 1 months ago
2005
IEEE
Current feature-based object recognition methods use information derived from local image patches. For robustness, features are engineered for invariance to various transformation...
SAC
2010
ACM
14 years 2 months ago
2010
ACM
Due to noise, overlapped text/signature and multi-oriented nature, seal (stamp) object detection involves a difficult challenge. This paper deals with automatic detection of seal ...
CVPR
2005
IEEE
14 years 9 months ago
2005
IEEE
Natural images are approximately scale invariant resulting in long range statistical regularities that typically obey a power law. For example, images have considerable regularity...
SMA
2009
ACM
14 years 8 days ago
2009
ACM
Principal curvatures and principal directions are fundamental local geometric properties. They are well defined on smooth surfaces. However, due to the nature as higher order di...