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Karin Knudson

dblp:179/0121 · DBLP profile ↗
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1ranked-venue papers
1as first author
0since 2021 · last 2016
—ORCID · unresolved

Domains — the database's venue-derived domains; a paper can count in several

Theory of computation · 1 · 1 first-author

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Theoretical computer science
1 paper
Information theory · 80% Algorithms and data structures · 20%

Topics — the 5 heaviest of 5, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Information theory › signal processing
compressed sensing
0.212016
One-Bit Compressive Sensing With Norm Estimation · IEEE Trans. Inf. Theory 2016
Algorithms and data structures › data streams › streaming algorithms
norm estimation
0.212016
One-Bit Compressive Sensing With Norm Estimation · IEEE Trans. Inf. Theory 2016
Information theory › signal processing › compressed sensing
one-bit compressed sensing
0.212016
One-Bit Compressive Sensing With Norm Estimation · IEEE Trans. Inf. Theory 2016
Information theory › signal processing
signal recovery
0.212016
One-Bit Compressive Sensing With Norm Estimation · IEEE Trans. Inf. Theory 2016
Information theory › signal processing › compressed sensing
sparse recovery
0.212016
One-Bit Compressive Sensing With Norm Estimation · IEEE Trans. Inf. Theory 2016

Methods — techniques the papers use, named apart from their topics

quantized affine measurements · 0.2inverse gaussian error function · 0.2
YearPublicationVenuePosition
2016 One-Bit Compressive Sensing With Norm Estimation
abstract
Consider the recovery of an unknown signal x from quantized linear measurements. In the one-bit compressive sensing setting, one typically assumes that x is sparse, and that the measurements are of the form sign((ai, x)) ϵ {±1}. Since such measurements give no information on the norm of x, recovery methods typically assume that ∥x∥2= 1. We show that if one allows more generally for quantized affine measurements of the form sign((ai, x) + bi), and if the vectors ai are random, an appropriate choice of the affine shifts bi allows norm recovery to be easily incorporated into existing methods for one-bit compressive sensing. In addition, we show that for arbitrary fixed x in the annulus r ∥×∥2R, one may estimate the norm ∥×∥2up to additive error δ from ≳ R4r-2δ-2such binary measurements through a single evaluation of the inverse Gaussian error function. Finally, all of our recovery guarantees can be made universal over sparse vectors in the sense that with high probability, one set of measurements and thresholds can successfully estimate all sparse vectors x in a Euclidean ball of known radius.
Karin Knudson, Rayan Saab, Rachel A. Ward
IEEE Trans. Inf. Theory1