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Proceedings Paper

Acquisition of mouse optical structures in vivo with the aid of registered atlas
Author(s): Wenbo Wan; Feng Gao
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Paper Abstract

In fluorescence molecular tomography (FMT), the reconstruction results can greatly benefit from a priori information of accurate tissue optical-structures, which is difficult to be obtained in vivo with the traditional diffuse optical tomography (DOT) alone. One of the solutions is to apply a priori anatomical-structures obtained with anatomical imaging systems such as X-ray computed tomography (XCT) to constrain the reconstruction process of DOT. However, since the X-ray imaging mechanism limits the contrast between soft-tissues, it is difficult to segment the abdominal organs from XCT images. In order to overcome the challenges, the anatomical-structures of a target mouse are approximately obtained through registering a standard mouse anatomical atlas, i.e., the Digimouse, to its XCT volume with non-rigid image registration, and the optical-structures of the target mouse is approximately estimated through anatomical-structures guided time-resolve DOT strategy. Results of numerical simulations reveals that the an effective target atlas can be obtained through the registration method, and the results show that the absorption and reduced scattering coefficients of each organs can be recovered with reasonable accuracies.

Paper Details

Date Published: 31 October 2016
PDF: 8 pages
Proc. SPIE 10024, Optics in Health Care and Biomedical Optics VII, 1002434 (31 October 2016); doi: 10.1117/12.2246045
Show Author Affiliations
Wenbo Wan, Tianjin Univ. (China)
Feng Gao, Tianjin Univ. (China)
Tianjin Key Lab. of Biomedical Detecting Techniques and Instruments (China)

Published in SPIE Proceedings Vol. 10024:
Optics in Health Care and Biomedical Optics VII
Qingming Luo; Xingde Li; Ying Gu; Yuguo Tang, Editor(s)

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