Three-dimensional surface reconstruction within noncontact diffuse optical tomography using structured light

Baum, Kirstin; Hartmann, Raimo; Bischoff, Tobias; Oelerich, Jan O; Finkensieper, Stephan; Heverhagen, Johannes (2012). Three-dimensional surface reconstruction within noncontact diffuse optical tomography using structured light. Journal of biomedical optics, 17(12), p. 126009. Bellingham, Wash.: SPIE International Society for Optical Engineering 10.1117/1.JBO.17.12.126009

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A main field in biomedical optics research is diffuse optical tomography, where intensity variations of the transmitted light traversing through tissue are detected. Mathematical models and reconstruction algorithms based on finite element methods and Monte Carlo simulations describe the light transport inside the tissue and determine differences in absorption and scattering coefficients. Precise knowledge of the sample's surface shape and orientation is required to provide boundary conditions for these techniques. We propose an integrated method based on structured light three-dimensional (3-D) scanning that provides detailed surface information of the object, which is usable for volume mesh creation and allows the normalization of the intensity dispersion between surface and camera. The experimental setup is complemented by polarization difference imaging to avoid overlaying byproducts caused by inter-reflections and multiple scattering in semitransparent tissue.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Radiology, Neuroradiology and Nuclear Medicine (DRNN) > Institute of Diagnostic, Interventional and Paediatric Radiology

UniBE Contributor:

Heverhagen, Johannes

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1083-3668

Publisher:

SPIE International Society for Optical Engineering

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:37

Last Modified:

15 Jan 2014 00:11

Publisher DOI:

10.1117/1.JBO.17.12.126009

PubMed ID:

23208220

Web of Science ID:

000314504400017

URI:

https://boris.unibe.ch/id/eprint/15116 (FactScience: 222317)

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