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Proceedings Paper

Image reconstruction in near-infrared time-resolved optical tomography using analogous parallel-beam scanning mode
Author(s): Feng Gao; Chantal-Virginie Zint; Patrick Poulet; Hanben Niu
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Paper Abstract

An experimental system for time-resolved optical tomography has been constructed from Ti:Sapphire laser and synchroscan streak camera. With a 3D step-motor driving translation- rotation stage, the system can scan the object to be imaged in a parallel-beam mode analogous to X-ray CT, by which the time-resolved projections at a variety of incident angles can be obtained automatically. By applying a nonlinear image reconstruction algorithm, the promising images have been produced from the time-resolved measurements for three kinds of tissue-like phantoms that represent the different combinations of the absorption and scattering properties of the embedded single inclusion. Our results have demonstrated this system as a reliable and ideal platform for the research of time-resolved tomographic imaging.

Paper Details

Date Published: 11 October 2000
PDF: 8 pages
Proc. SPIE 4224, Biomedical Photonics and Optoelectronic Imaging, (11 October 2000); doi: 10.1117/12.403929
Show Author Affiliations
Feng Gao, Xi'an Institute of Optics and Precision Mechanics (Japan)
Chantal-Virginie Zint, Univ. Louis Pasteur (France)
Patrick Poulet, Univ. Louis Pasteur (France)
Hanben Niu, Xi'an Institute of Optics and Precision Mechanics (China)


Published in SPIE Proceedings Vol. 4224:
Biomedical Photonics and Optoelectronic Imaging
Hong Liu; Qingming Luo, Editor(s)

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