Search Results for author: Daan Camps

Found 3 papers, 3 papers with code

Quantum pixel representations and compression for $N$-dimensional images

1 code implementation8 Oct 2021 Mercy G. Amankwah, Daan Camps, E. Wes Bethel, Roel Van Beeumen, Talita Perciano

We introduce a novel and uniform framework for quantum pixel representations that overarches many of the most popular representations proposed in the recent literature, such as (I)FRQI, (I)NEQR, MCRQI, and (I)NCQI.

Image Compression

A multishift, multipole rational QZ method with aggressive early deflation

1 code implementation28 Feb 2019 Daan Camps, Karl Meerbergen, Raf Vandebril

The rational QZ method generalizes the QZ method by implicitly supporting rational subspace iteration.

Numerical Analysis 65F15, 15A18

A rational QZ method

1 code implementation12 Feb 2018 Daan Camps, Karl Meerbergen, Raf Vandebril

In this article we study Hessenberg, Hessenberg pencils, link them to rational Krylov subspaces, propose a direct reduction method to such a pencil, and introduce the implicit rational QZ step.

Numerical Analysis 65F15, 15A18

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