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ICIP
2001
IEEE
16 years 7 months ago
Observer motion estimation and control from optical flow
The information conveyed by optical flow is analytically linked to the observer motion in this paper by decomposing the optical flow field into its vector field components. It is ...
Liangyin Yu, Charles R. Dyer
ICDE
2002
IEEE
113views Database» more  ICDE 2002»
16 years 7 months ago
XGRIND: A Query-Friendly XML Compressor
XML documents are extremely verbose since the "schema" is repeated for every "record" in the document. While a variety of compressors are available to address ...
Pankaj M. Tolani, Jayant R. Haritsa
ICPR
2006
IEEE
16 years 7 months ago
Motion Dependent Spatiotemporal Smoothing for Noise Reduction in Very Dim Light Image Sequences
A new method for noise reduction using spatiotemporal smoothing is presented in this paper. The method is developed especially for reducing the noise that arises when acquiring vi...
Henrik Malm, Eric Warrant
ICML
2003
IEEE
16 years 6 months ago
Optimization with EM and Expectation-Conjugate-Gradient
We show a close relationship between the Expectation - Maximization (EM) algorithm and direct optimization algorithms such as gradientbased methods for parameter learning. We iden...
Ruslan Salakhutdinov, Sam T. Roweis, Zoubin Ghahra...
ISBI
2004
IEEE
16 years 6 months ago
Wavelet-Based fMRI Statistical Analysis and Spatial Interpretation: A Unifying Approach
Wavelet-based statistical analysis methods for fMRI are able to detect brain activity without smoothing the data. Typically, the statistical inference is performed in the wavelet ...
Dimitri Van De Ville, Thierry Blu, Michael Unser