510 search results - page 41 / 102 » Invariant Features from Interest Point Groups |
AAAI
2010
13 years 11 months ago
2010
Dimensionality reduction is the process by which a set of data points in a higher dimensional space are mapped to a lower dimension while maintaining certain properties of these p...
PAMI
1998
13 years 9 months ago
1998
—We are interested in descriptions of 3D data sets, as obtained from stereo or a 3D digitizer. We therefore consider as input a sparse set of points, possibly associated with cer...
EDBT
2010
ACM
14 years 3 months ago
2010
ACM
User privacy in location-based services has attracted great interest in the research community. We introduce a novel framework based on a decentralized architecture for privacy pr...
AAECC
2008
Springer
13 years 10 months ago
2008
Springer
We provide some guidelines for deriving new projective hash families of cryptographic interest. Our main building blocks are so called group action systems; we explore what propert...
MLDM
2005
Springer
14 years 3 months ago
2005
Springer
We propose an unsupervised, probabilistic method for learning visual feature hierarchies. Starting from local, low-level features computed at interest point locations, the method c...