Optimization of contrast enhancement in images obtained in mines

Optimization of contrast enhancement in images obtained in mines through automation of evaluation of image quality factors is discussed in the article. The IDEF0 notations before and after optimization are presented. The methods and algorithms of contrast enhancement used in processing of digital images from miner lamp cameras are reviewed. The features of digital images from miner lamp cameras, and their brightness are discussed. The histograms of brightness of the images before and after their processing using the test methods are given. The contrast quality factors of the images are calculated. The recommendations on automated selection of quality factors by the contrast enhancement system are made.

Zaitseva E. V., Kochneva A. A., Katuntsov E. V. Optimization of contrast enhancement in images obtained in mines. MIAB. Mining Inf. Anal. Bull. 2025;(7):115-130. [In Russ]. DOI: 10.25018/0236_1493_2025_7_0_115.

E.V. Zaitseva¹, Cand. Sci. (Eng.), Assistant Professor, e-mail: Zaytseva_EV@pers.spmi.ru, ORCID ID: 0000-0002-7944-0468,
A.A. Kochneva¹, Cand. Sci. (Eng.), Assistant Professor, e-mail: Kochneva_AA@pers.spmi.ru, ORCID ID: 0000-0002-8189-782X,
E.V. Katuntsov¹, Cand. Sci. (Eng.), Assistant Professor, e-mail: Katuntsov_EV@pers.spmi.ru, ORCID ID: 0000-0001-8345-0979,
¹ Empress Catherine II Saint-Petersburg Mining University, 199106, Saint-Petersburg, Russia.

E.V. Zaitseva, e-mail: Zaytseva_EV@pers.spmi.ru.

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