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» Query Estimation by Adaptive Sampling
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ICASSP
2008
IEEE
15 years 6 months ago
Variance reduction with neighborhood smoothing for local intrinsic dimension estimation
Local intrinsic dimension estimation has been shown to be useful for many tasks such as image segmentation, anomaly detection, and de-biasing global dimension estimates. Of partic...
Kevin M. Carter, Alfred O. Hero
MA
2010
Springer
140views Communications» more  MA 2010»
14 years 10 months ago
On the limiting spectral distribution of the covariance matrices of time-lagged processes
We consider two continuous-time Gaussian processes, one being partially correlated to a time-lagged version of the other. We first give the limiting spectral distribution for the ...
Christian Y. Robert, Mathieu Rosenbaum
ISSADS
2004
Springer
15 years 5 months ago
Evaluating Location Dependent Queries Using ISLANDS
The recent emergence of handheld devices and wireless networks has implied an exponential increase of terminals users. So, today, service providers have to propose new application...
Marie Thilliez, Thierry Delot
ICPR
2000
IEEE
16 years 25 days ago
Feature Relevance Learning with Query Shifting for Content-Based Image Retrieval
Probabilistic feature relevance learning (PFRL) is an effective technique for adaptively computing local feature relevance for content-based image retrieval. It however becomes le...
Douglas R. Heisterkamp, Jing Peng, H. K. Dai
INFOSCALE
2006
ACM
15 years 5 months ago
Towards better measures: evaluation of estimated resource description quality for distributed IR
An open problem for Distributed Information Retrieval systems (DIR) is how to represent large document repositories, also known as resources, both accurately and efficiently. Obt...
Mark Baillie, Leif Azzopardi, Fabio Crestani