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Proceedings Paper

New algorithm for the passive THz image quality enhancement
Author(s): Vyacheslav A. Trofimov; Vladislav V. Trofimov
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Paper Abstract

We propose a new approach for THz image quality enhancing using correlation function between the image under consideration and a standard image. The standard image moves in two directions along a image under analysis. As a result, 2 D correlation function is obtained. Multiplying this function by color number belonging to a grey scale, we restore the image under the analysis. This allows to suppress a noise on a new image. This method allows to see the person clothes details that it means multi-times increasing of the passive THz camera temperature resolution. We discuss a choice of standard image characteristics for an achievement of correlation function for high contrast. Other feature of our approach arises from a possibility of a person image coming to the THz camera by using a computer processing of the image only. It means that we can “decrease” a distance between a person and the passive THz camera. This algorithm is very convenient for using and has a high performance.

Paper Details

Date Published: 29 April 2016
PDF: 8 pages
Proc. SPIE 9856, Terahertz Physics, Devices, and Systems X: Advanced Applications in Industry and Defense, 98560M (29 April 2016); doi: 10.1117/12.2225169
Show Author Affiliations
Vyacheslav A. Trofimov, Lomonosov Moscow State Univ. (Russian Federation)
Vladislav V. Trofimov, Lomonosov Moscow State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 9856:
Terahertz Physics, Devices, and Systems X: Advanced Applications in Industry and Defense
Mehdi F. Anwar; Thomas W. Crowe; Tariq Manzur, Editor(s)

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