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Enhance the contrast for the terahertz pulse parametric imaging
Author(s): Haishun Liu; Zhenwei Zhang; Cunlin Zhang
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Paper Abstract

Owing to the similar absorption between the region of interest and background, an inferior contrast may be shown at the terahertz (THz) image with the reconstruction of unbefitting parameters. In this experiment, due to the small difference of THz pulse between the liver tumor tissue and mirror, the parameter with the sum of the maximum and minimum (SMM) value of the THz pulse was used to reconstruct the THz image. We compared it with the pulse imaging of amplitude (Amp) and maximum (Max) value, indicating that SMM image achieved the best result. K-means and fuzzy c-means clustering results of the two combination parameters (Amp and SMM, Max and SMM) further validate the effect of SMM. The differences of THz pulses from three regions explain the reliable imaging results.

Paper Details

Date Published: 9 November 2018
PDF: 6 pages
Proc. SPIE 10826, Infrared, Millimeter-Wave, and Terahertz Technologies V, 1082614 (9 November 2018); doi: 10.1117/12.2500946
Show Author Affiliations
Haishun Liu, Capital Normal Univ. (China)
Zhenwei Zhang, Capital Normal Univ. (China)
Cunlin Zhang, Capital Normal Univ. (China)

Published in SPIE Proceedings Vol. 10826:
Infrared, Millimeter-Wave, and Terahertz Technologies V
Cunlin Zhang; Xi-Cheng Zhang; Masahiko Tani, Editor(s)

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