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Monday, November 05, 2007

Monday Morning Algorithm Part 1: Fast Low Rank Approximation using Random Projections

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I am not sure I will be able to do this often, but it is always interesting to start the week with an interesting algorithm. So I decide...
Sunday, November 04, 2007

Compressed Sensing: High Resolution Radar, Identification of Sparse Matrices

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Sometimes I get to find preprints that are not yet on the Rice Resource page . Here are some: Matthew Herman and Thomas Strohmer just cam...
Saturday, November 03, 2007

DARPA Urban Challenge: It's today

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We did not qualify for the semi-finals but others did. DARPA has finally selected the teams that will compete in the Urban Challenge Final ...
Friday, November 02, 2007

Compressed Sensing: Toeplitz, Radar, SAR, Bayesian Approach, Non Convex Minimization, Angle Preserving RIP

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There is a new batch of papers showing up on the Compressed Sensing Repository at Rice . * Toeplitz-structured compressed sensing matrices...
Monday, October 29, 2007

Compressed Sensing: Sparco helps you test all these spiffy reconstruction algorithms

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With the large number of reconstruction techniques , it was just a question of time before somebody would produce a toolbox for unifying t...

Making sense of two findings

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Two wows this past week: First, Scott Parazynski and Daniel Tani found that there are metal shavings in one of the joint of the rotating s...
Saturday, October 27, 2007

Compressed Sensing: RandomFaces prove that faces lie in a low dimensional manifold

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It was only a matter of time, the Machine Learning community is finding ways to use compressed sensing following the work of Richard Bara...

Compressed Sensing: Reweighted Lp through Least square (L2), Forget Europa, let's shoot for Titan

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In a previous entry, I mentioned the impressive improvement of the L1 reconstruction capability for signals that were not so sparse. We a...

Compressive Sensing Radiation Detector Part II

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In the case where radiation does not suffer much scattering, the principle of Coded Aperture used for light can be directly applied to ...
Wednesday, October 24, 2007

New satellite imagery of the California fires

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ESA just released new satellite imagery from the California fires using the MERIS camera on ENVISAT . These shots were taken 3 hours ago...