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Proceedings Paper

Theoretical and experimental study on near infrared time-resolved optical diffuse tomography
Author(s): Huijuan Zhao; Feng Gao; Yukari Tanikawa; Yukio Yamada
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Paper Abstract

Parts of the works of our group in the past five years on near infrared time-resolved (TR) optical tomography are summarized in this paper. The image reconstruction algorithm is based on Newton Raphson scheme with a datatype R generated from modified Generalized Pulse Spectrum Technique. Firstly, the algorithm is evaluated with simulated data from a 2-D model and the datatype R is compared with other popularly used datatypes. In this second part of the paper, the in vitro and in vivo NIR DOT imaging on a chicken leg and a human forearm, respectively are presented for evaluating both the image reconstruction algorithm and the TR measurement system. The third part of this paper is about the differential pathlength factor of human head while monitoring head activity with NIRS and applying the modified Lambert-Beer law. Benefiting from the TR system, the measured DPF maps of the three import areas of human head are presented in this paper.

Paper Details

Date Published: 21 July 2006
PDF: 10 pages
Proc. SPIE 6163, Saratov Fall Meeting 2005: Optical Technologies in Biophysics and Medicine VII, 61630G (21 July 2006); doi: 10.1117/12.696958
Show Author Affiliations
Huijuan Zhao, Tianjin Univ. (China)
National Institute of Advanced Industrial Science and Technology (Japan)
Feng Gao, Tianjin Univ. (China)
National Institute of Advanced Industrial Science and Technology (Japan)
Yukari Tanikawa, National Institute of Advanced Industrial Science and Technology (Japan)
Yukio Yamada, Univ. of Electro-Communications (Japan)
National Institute of Advanced Industrial Science and Technology (Japan)


Published in SPIE Proceedings Vol. 6163:
Saratov Fall Meeting 2005: Optical Technologies in Biophysics and Medicine VII
Valery V. Tuchin, Editor(s)

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