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Sub-millimeter Spatial Resolution Terahertz Computed Tomography System based on Differential Pulse Delay Method
Conference paper

Sub-millimeter Spatial Resolution Terahertz Computed Tomography System based on Differential Pulse Delay Method

Bo-Yi Wu and Shang-Hua Yang
International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, Vol.2019-September, 8874018
09/2019
DOI: https://doi.org/10.1109/IRMMW-THz.2019.8874018

Abstract

Energy Engineering and Power Technology Electrical and Electronic Engineering
We present a terahertz time-domain spectroscopy (THz-TDS) 3D imaging algorithm, which offers superior image quality compared with conventional computed tomography (CT) method. This algorithm utilizes both amplitude and time information of terahertz pulses to enhance image spatial resolution. Moreover, the image quality of the proposed algorithm outperformed CT with only one-third numbers of projections.

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