The evaluation of THz-VIS fused images

Marcin Kowalski; Norbert Palka; Mieczyslaw Szustakowski

doi:10.1117/12.2028249

18 October 2013 The evaluation of THz-VIS fused images

Marcin Kowalski, Norbert Palka, Mieczyslaw Szustakowski

Proceedings Volume 8900, Millimetre Wave and Terahertz Sensors and Technology VI; 89000T (2013) https://doi.org/10.1117/12.2028249
Event: SPIE Security + Defence, 2013, Dresden, Germany

Abstract

A growing interest in terahertz technology finds support in a large number of applications. One of the most interesting applications of terahertz waves is imaging. The terahertz range of electromagnetic radiation has large potential in the field of hidden objects detection because it is not harmful to humans [1, 2]. However, the main difficulty in the THz imaging systems is low image quality due to low sensitivity and a small number of pixels in detecting modules of cameras Considering the fact that even THz images with low pixel resolution still provide valuable information, it is justified to combine them with the high-resolution images from a visible camera. Image fusion can be used in a wide range of security applications for example detection and identification of hidden objects. Our goal is to build a system harmless to humans for screening and detection of hidden objects using a THz camera. A very important aspect of applying various processing techniques to images is proper assessment of image quality. We propose a combination of two image quality assessment methods (IQA) as a methodology of assessing quality of the fused images and a method to compare image fusion algorithms.

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Marcin Kowalski, Norbert Palka, and Mieczyslaw Szustakowski "The evaluation of THz-VIS fused images", Proc. SPIE 8900, Millimetre Wave and Terahertz Sensors and Technology VI, 89000T (18 October 2013); https://doi.org/10.1117/12.2028249

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KEYWORDS

Image fusion

Image quality

Terahertz radiation

Image processing

Visualization

Image segmentation

Cameras

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