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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 9 — Oct. 2, 2013

Pre- and post-processing for tomographic reconstruction of terahertz time-domain spectroscopy

Hye-Jin Hong, Jinho Park, Hochong Park, Joo-Hiuk Son, and Chang-Beom Ahn  »View Author Affiliations


Optics Express, Vol. 21, Issue 17, pp. 19943-19950 (2013)
http://dx.doi.org/10.1364/OE.21.019943


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Abstract

Reflection-type terahertz tomography is obtained using time-domain spectroscopy. Due to different velocities of the terahertz ray in free space and inside a sample, the tomographic transverse plane is not obtained by a simple reconstruction using time index. A pre-processing method is proposed to compensate for the different velocities of the terahertz ray for tomographic reconstruction. Maximum intensity projection, averaging, and short-time Fourier transform are proposed as post-processing methods along the depth direction for the terahertz tomography. Log-scale display is also suggested for a better visualization. Some experimental results with the pre- and post-processing are demonstrated.

© 2013 OSA

OCIS Codes
(100.6950) Image processing : Tomographic image processing
(110.6795) Imaging systems : Terahertz imaging
(110.6955) Imaging systems : Tomographic imaging

ToC Category:
Imaging Systems

History
Original Manuscript: May 31, 2013
Revised Manuscript: July 18, 2013
Manuscript Accepted: August 5, 2013
Published: August 16, 2013

Virtual Issues
Vol. 8, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Hye-Jin Hong, Jinho Park, Hochong Park, Joo-Hiuk Son, and Chang-Beom Ahn, "Pre- and post-processing for tomographic reconstruction of terahertz time-domain spectroscopy," Opt. Express 21, 19943-19950 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-21-17-19943


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