Search Results for author: Matthew Fickus

Found 4 papers, 2 papers with code

Certifying the novelty of equichordal tight fusion frames

no code implementations4 Mar 2021 Matthew Fickus, Benjamin R. Mayo, Cody E. Watson

This makes it challenging to certify the novelty of any recently discovered ECTFF: how can one guarantee that it does not arise from any previously known construction in such a Naimark-spatial way?

Functional Analysis Combinatorics 42C15

Rotation Invariant Angular Descriptor Via A Bandlimited Gaussian-like Kernel

no code implementations8 Jun 2016 Michael T. McCann, Matthew Fickus, Jelena Kovacevic

We present a new smooth, Gaussian-like kernel that allows the kernel density estimate for an angular distribution to be exactly represented by a finite number of its Fourier series coefficients.

Density Estimation Human Detection +1

Constructing all self-adjoint matrices with prescribed spectrum and diagonal

1 code implementation12 Jul 2011 Matthew Fickus, Dustin G. Mixon, Miriam J. Poteet, Nate Strawn

In this paper, we show how to explicitly construct every such sequence of eigensteps.

Functional Analysis 42C15

Constructing finite frames of a given spectrum and set of lengths

1 code implementation5 Jun 2011 Jameson Cahill, Matthew Fickus, Dustin G. Mixon, Miriam J. Poteet, Nathaniel K. Strawn

When constructing finite frames for a given application, the most important consideration is the spectrum of the frame operator.

Functional Analysis

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