Multiple-view diffuse optical tomography system based on time-domain compressive measurements

Andrea Farina (1) , Marta Betcke (2) , Laura Di Sieno (3) , Andrea Bassi (3) , Nicolas Ducros (4) , Antonio Pifferi (3) , Gianluca Valentini (1, 3) , Simon Arridge (2) , Cosimo d'Andrea (1, 3, 5)

1 IFN - CNR Istituto di Fotonica e Nanotecnologie [Milano]
2 CMIC - Centre for Medical Image Computing
3 Dipartimento di Fisica
4 Imagerie Tomographique et Radiothérapie
5 Center for Nano Science and Technology@PoliMi

Compressive sensing is a powerful tool to efficiently acquire and reconstruct an image even in diffuse optical tomography (DOT) applications. In this work, a time-resolved DOT system based on structured light illumination, compressive detection, and multiple view acquisition has been proposed and experimentally validated on a biological tissue-mimicking phantom. The experimental scheme is based on two digital micromirror devices for illumination and detection modulation, in combination with a time-resolved single element detector. We fully validated the method and demonstrated both the imaging and tomographic capabilities of the system, providing state-of-the-art reconstruction quality.

Mots clés: Tomography; Time-resolved imaging; Imaging through turbid media

Domaines: Imagerie médicale; Optique / photonique; Traitement du signal et de l'image [eess.SP]

Andrea Farina, Marta Betcke, Laura Di Sieno, Andrea Bassi, Nicolas Ducros, et al.. Multiple-view diffuse optical tomography system based on time-domain compressive measurements. Optics Letters, 2017, ⟨10.1364/OL.42.002822⟩. ⟨hal-01309283v2⟩