Orthotropic artifacts suppression for THz and x-ray images using guided filtering

A. V. Dolmatova; E. E. Berlovskaya; I. Bukreeva; A. Cedola; B. R. Islamov; E. Kuznetsova; I. A. Ozheredov; D. P. Nikolaev

doi:10.1117/12.2557499

31 January 2020 Orthotropic artifacts suppression for THz and x-ray images using guided filtering

A. V. Dolmatova, E. E. Berlovskaya, I. Bukreeva, A. Cedola, B. R. Islamov, E. Kuznetsova, I. A. Ozheredov, D. P. Nikolaev

Author Affiliations +

Proceedings Volume 11433, Twelfth International Conference on Machine Vision (ICMV 2019); 1143330 (2020) https://doi.org/10.1117/12.2557499
Event: Twelfth International Conference on Machine Vision, 2019, Amsterdam, Netherlands

Abstract

The paper presents a novel method for suppression of the orthotropic stripe artifacts typical for sensitive optical detector arrays. The algorithm is based on the guided filtering technique where the guidance image is constructed from the input frame in a way that removes artifacts from local contrast structures while disregarding the low-frequency distortions. The artifact suppression procedure was applied to the images of human faces taken with the IR -- THz camera in the diagnosis of psycho-emotional states. In this case, the presence of orthotropic artifacts prevents digital image stabilization. We also demonstrated that adaptation of the alg

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A. V. Dolmatova, E. E. Berlovskaya, I. Bukreeva, A. Cedola, B. R. Islamov, E. Kuznetsova, I. A. Ozheredov, and D. P. Nikolaev "Orthotropic artifacts suppression for THz and x-ray images using guided filtering", Proc. SPIE 11433, Twelfth International Conference on Machine Vision (ICMV 2019), 1143330 (31 January 2020); https://doi.org/10.1117/12.2557499

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