Dynamic time domain near-infrared optical tomography based on a SPAD camera | Zendy

Jingjing Jiang | Zendy; Aldo Di Costanzo Mata | Zendy; Scott Lindner | Zendy; Edoardo Charbon | Zendy; Martin Wolf | Zendy; Alexander Kalyanov | Zendy

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Dynamic time domain near-infrared optical tomography based on a SPAD camera

Author(s) -

Jingjing Jiang,

Aldo Di Costanzo Mata,

Scott Lindner,

Edoardo Charbon,

Martin Wolf,

Alexander Kalyanov

Publication year - 2020

Publication title -

biomedical optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.362

H-Index - 86

ISSN - 2156-7085

DOI - 10.1364/boe.399387

Subject(s) - diffuse optical imaging , single photon avalanche diode , optics , computer science , computer vision , iterative reconstruction , infrared , data acquisition , optical tomography , time domain , near infrared spectroscopy , tomography , artificial intelligence , physics , detector , avalanche photodiode , operating system

In many clinical applications it is relevant to observe dynamic changes in oxygenation. Therefore the ability of dynamic imaging with time domain (TD) near-infrared optical tomography (NIROT) will be important. But fast imaging is a challenge. The data acquisition of our handheld TD NIROT system based on single photon avalanche diode (SPAD) camera and 11 light sources was consequently accelerated. We tested the system on a diffusive medium simulating tissue with a moving object embedded. With 3D image reconstruction, the moving object was correctly located using only 0.2 s exposure time per source.

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