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

Publications associées (32)

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3D near-infrared imaging based on a single-photon avalanche diode array sensor: A new perspective on reconstruction algorithms

Edoardo Charbon, Juan Mata Pavia, Bastien Wolf

Recently, we demonstrated the potential of single-photon i magers in diffuse optical tomography (DOT). We present the advances of a new algorithm based on optical setups using this kind of sensors. ...

2012

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An imager for optical tomography was designed based on a detector with 128x128 single-photon pixels that included a bank of 32 time-to-digital converters. Due to the high spatial resolution and the possibility of performing time resolved measurements, a ne ...

2011

3D Near-infrared Imaging based on a Single-photon Avalanche Diode Array Sensor

Matthias Wolf, Edoardo Charbon, Cristiano Niclass, Claudio Favi, Juan Mata Pavia

A new imager for 3D near-infrared imaging has been designed based on a single-photon avalanche diode (SPAD) imager with 128x128 pixels capable of performing time-resolved measurements with a resolution of 97ps. The imager linearity has been improved to mak ...

2011

Development of Minimally-Invasive Optical Methods to Individualize the Doses Used for Therapeutic Applications of Light

Filippo Piffaretti

Despite the experience gained over several decades in various types of light-based medical treatments, the optimization of the corresponding therapeutic protocols and accurate forecasting of their outcome have not yet been achieved in many cases. The diffi ...

EPFL2010

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Autofluorescence (AF) from bronchial tissue is increasingly used for the endoscopic detection of early bronchial neoplasia. Several imaging systems are commercially available, all detecting the absolute or relative AF intensity and/or spectral contrasts be ...

Springer-Verlag2009

Phase-locked Fourier domain optical coherence tomography

Fourier or spectral domain optical coherence tomography (FDOCT) is a multi-dimensional interferometric imaging modality that has attracted increasing interest during the last few years. The reason is its outstanding sensitivity allowing high speed 2D and 3 ...

EPFL2007

Innovative experimental concepts for optical coherence tomography

Markus Laubscher

Optical Coherence Tomography (OCT) is a recent biomedical imaging technique based on low-coherence interferometry that is capable of acquiring depth-resolved reflectivity maps of scattering tissues with high sensitivity. The conventionally employed imaging ...

EPFL2004

Optical coherence tomography - principles and applications

Theo Lasser

There have been three basic approaches to optical tomography since the early 1980s: diffraction tomography, diffuse optical tomography and optical coherence tomography (OCT). Optical techniques are of particular importance in the medical field, because the ...

2003

Guest Editorial: First IEEE Symposium on Biomedical Imaging

Michaël Unser

Guest Editorial Technological advances in biomedical imaging are providing unprecedented opportunities for improving our understanding of biological processes and revealing the anatomical and functional organization of biological systems, from macro- to na ...

2002

3D optical diffraction tomography in thick highly scattering media using diffuse photon density waves

Near InfraRed (NIR) frequency-domain techniques are promising clinical imaging tools, due to their ability in providing metabolic information about healthy and cancerous abnormalities (tumours, cysts, haematomas, etc.) embedded in thick biological highly d ...

EPFL2000