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Type: Journal article
Title: Towards functional 3D T-ray imaging
Author: Ferguson, B.
Wang, S.
Gray, D.
Abbott, D.
Zhang, X.
Citation: Physics in Medicine and Biology, 2002; 47(21):3735-3742
Publisher: IOP Publishing
Issue Date: 2002
ISSN: 0031-9155
Abstract: We review the recent development of T-ray computed tomography, a terahertz imaging technique that allows the reconstruction of the three-dimensional refractive index profile of weakly scattering objects. Terahertz pulse imaging is used to obtain images of the target at multiple projection angles and the filtered backprojection algorithm enables the reconstruction of the object's frequency-dependent refractive index. The application of this technique to a biological bone sample and a plastic test structure is demonstrated. The structure of each target is accurately resolved and the frequency-dependent refractive index is determined. The frequency-dependent information may potentially be used to extract functional information from the target, to uniquely identify different materials or to diagnose medical conditions.
Keywords: Femur
Phantom Limb
Imaging, Three-Dimensional
Image Enhancement
Sensitivity and Specificity
Reproducibility of Results
Equipment Design
Equipment Failure Analysis
Electromagnetic Phenomena
DOI: 10.1088/0031-9155/47/21/309
Appears in Collections:Aurora harvest 2
Electrical and Electronic Engineering publications

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