184 search results - page 18 / 37 » Orientation feature for fingerprint matching |
143
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NECO
2010
15 years 4 months ago
2010
We consider a hierarchical two-layer model of natural signals in which both layers are learned from the data. Estimation is accomplished by Score Matching, a recently proposed est...
132
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DAC
2005
ACM
16 years 7 months ago
2005
ACM
User authentication, which refers to the process of verifying the identity of a user, is becoming an important security requirement in various embedded systems. While conventional...
154
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ICPR
2006
IEEE
16 years 7 months ago
2006
IEEE
We introduce a new structural constraint that can be used for matching points in image pairs taken from a wide baseline. No assumption is made about the geometry of the 3?D points...
137
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ICRA
2008
IEEE
16 years 14 days ago
2008
IEEE
— A good motion model is a prerequisite for many approaches to simultaneous localization and mapping. Without an absolute reference, it is however difficult to prevent drift whe...
203
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ECCV
2008
Springer
16 years 8 months ago
2008
Springer
In this paper, we propose a method for extracting image features which utilizes 2 nd order statistics, i.e., spatial and orientational auto-correlations of local gradients. It enab...