31 search results - page 2 / 7 » Wavelet-based salient points with scale information for clas... |
GIS
2007
ACM
14 years 6 months ago
2007
ACM
We investigate the application of a new category of low-level image descriptors termed interest points to remote sensed image analysis. In particular, we compare how scale and rot...
CVPR
2009
IEEE
15 years 1 days ago
2009
IEEE
In an 2D echocardiogram exam, an ultrasound probe
samples the heart with 2D slices. Changing the orientation
and position on the probe changes the slice viewpoint, altering
the ...
KDD
2008
ACM
14 years 5 months ago
2008
ACM
In large scale online systems like Search, eCommerce, or social network applications, user queries represent an important dimension of activities that can be used to study the imp...
IH
1999
Springer
13 years 9 months ago
1999
Springer
Many techniques for watermarking of digital images have appeared in numerous publications. Most of these techniques are sensitive to cropping and or a ne distortions e.g., rotatio...
ICPR
2008
IEEE
14 years 6 months ago
2008
IEEE
We propose a novel set of medial feature interest points based on gradient vector flow (GVF) fields [18]. We exploit the long ranging GVF fields for symmetry estimation by calcula...