Compressive lensless endoscopy with partial speckle scanning

no code implementations • 22 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

Compressive Sampling Approach for Image Acquisition with Lensless Endoscope

no code implementations • 29 Oct 2018 • Stéphanie Guérit, Siddharth Sivankutty, Camille Scotté, John Alto Lee, Hervé Rigneault, Laurent Jacques

The lensless endoscope is a promising device designed to image tissues in vivo at the cellular scale.

Blind Deconvolution of PET Images using Anatomical Priors

no code implementations • 5 Aug 2016 • Stéphanie Guérit, Adriana González, Anne Bol, John A. Lee, Laurent Jacques

Images from positron emission tomography (PET) provide metabolic information about the human body.

Post-Reconstruction Deconvolution of PET Images by Total Generalized Variation Regularization

no code implementations • 16 Jun 2015 • Stéphanie Guérit, Laurent Jacques, Benoît Macq, John A. Lee

Improving the quality of positron emission tomography (PET) images, affected by low resolution and high level of noise, is a challenging task in nuclear medicine and radiotherapy.

Image Deconvolution