Search Results for author: Siddharth Sivankutty

Found 5 papers, 0 papers with code

Interferometric single-pixel imaging with a multicore fiber

no code implementations17 Jul 2023 Olivier Leblanc, Matthias Hofer, Siddharth Sivankutty, Hervé Rigneault, Laurent Jacques

Lensless illumination single-pixel imaging with a multicore fiber (MCF) is a computational imaging technique that enables potential endoscopic observations of biological samples at cellular scale.

Interferometric lensless imaging: rank-one projections of image frequencies with speckle illuminations

no code implementations22 Jun 2023 Olivier Leblanc, Mathias Hofer, Siddharth Sivankutty, Hervé Rigneault, Laurent Jacques

Lensless illumination single-pixel imaging with a multicore fiber (MCF) is a computational imaging technique that enables potential endoscopic observations of biological samples at cellular scale.

Compressive lensless endoscopy with partial speckle scanning

no code implementations22 Apr 2021 Stéphanie Guérit, Siddharth Sivankutty, John Aldo Lee, Hervé Rigneault, Laurent Jacques

We develop our approach on two key properties of the LE: (i) the ability to easily generate speckles, and (ii) the memory effect in MCF that allows to use fast scan mirrors to shift light patterns.

Compressive Sensing

Single-shot non-interferometric measurement of the phase transmission matrix in multicore fibers

no code implementations22 Aug 2018 Siddharth Sivankutty, Viktor Tsvirkun, Géraud Bouwmans, Esben Ravn Andresen, Dan Oron, Hervé Rigneault, Miguel A. Alonso

A simple technique for far-field single-shot non-interferometric determination of the phase transmission matrix of a multicore fiber with over 100 cores is presented.

Optics

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