Comparative Studies of Passive Imaging in Terahertz and Mid-Wavelength Infrared Ranges for Object Detection

被引：47

作者：

Kowalski, Marcin ^{[1
]}

Kastek, Mariusz ^{[1
]}

机构：

[1] Mil Univ Technol, Inst Optoelect, PL-00908 Warsaw, Poland

来源：

IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY | 2016年 / 11卷 / 09期

关键词：

Terahertz; mid-infrared; multispectral imaging; object detection; screening camera; textile; MILLIMETER-WAVE; THZ; TRANSMISSION;

D O I：

10.1109/TIFS.2016.2571260

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

We compared the possibility of detecting hidden objects covered with various types of clothing by using passive imagers operating in a terahertz (THz) range at 1.2 mm (250 GHz) and a mid-wavelength infrared at 3-6 mu m (50-100 THz). We investigated theoretical limitations, performance of imagers, and physical properties of fabrics in both the regions. In order to investigate the time stability of detection, we performed measurements in sessions each lasting 30 min. We present a theoretical comparison of two spectra, as well as the results of experiments. In order to compare the capabilities of passive imaging of hidden objects, we combined the properties of textiles, performance of imagers, and properties of radiation in both spectral ranges. The paper presents the comparison of the original results of measurement sessions for the two spectrums with analysis.

引用

页码：2028 / 2035

页数：8

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