1236 search results - page 33 / 248 » Robust estimation for sparse data |
CORR
2010
Springer
14 years 10 months ago
2010
Springer
This paper studies the outlier detection problem from the point of view of penalized regressions. Our regression model adds one mean shift parameter for each of the n data points....
ISBI
2002
IEEE
15 years 10 months ago
2002
IEEE
Hemodynamic Response Function (HRF) estimation in noisy functional Magnetic Resonance Imaging (fMRI) is essential for a better understanding of cerebral activations. Previous work...
INTERSPEECH
2010
14 years 4 months ago
2010
In this article, we propose an innovative way of estimating pitch from speech waveform data, using an iterative ARMA technique that efficiently estimates multiple frequency compon...
FSR
2007
Springer
15 years 4 months ago
2007
Springer
We present a fast, robust method for registering successive laser rangefinder scans. Correspondences between the current scan and previous scans are determined. Gaussian uncertai...
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JACM
2011
14 years 21 days ago
2011
This paper is about a curious phenomenon. Suppose we have a data matrix, which is the superposition of a low-rank component and a sparse component. Can we recover each component i...