journal article·2023-03-03Open access

Image Enhancement Method in Underground Coal Mines Based on an Improved Particle Swarm Optimization Algorithm

Lili Dai, Peng Qi, He Lu, Xinhua Liu, Dezheng Hua, Xiaoqiang Guo

Applied Sciences· Volume 13· Issue 5

Abstract

Due to the poor lighting conditions and the presence of a large amount of suspended dust in coal mines, obtained video has problems with uneven lighting and low differentiation of facial features. In order to address these problems, an improved image enhancement method is proposed. Firstly, the characteristics of underground coal mine images are analyzed, and median filtering is selected for noise removal. Then, the gamma function and fractional order operator are introduced, and an image enhancement algorithm based on particle swarm optimization is proposed. Finally, several experiments are conducted, and the results show that the proposed improved algorithm outperforms classical image enhancement algorithms, such as MSR, CLAHE and HF. Compared with the original image, the evaluation metrics of the enhanced Yale face images, including average local standard deviation, average gradient, information entropy and contrast, are improved by 113.1%, 63.8%, 22.8% and 24.1%, respectively. Moreover, the proposed algorithm achieves a superior enhancement effect in the simulated coal mine environment.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Image Enhancement Techniques · Advanced Image Fusion Techniques · Video Surveillance and Tracking Methods

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Smart Materials and Applied Technology, Lianyungang Normal College, Lianyungang 222006, China

School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou 211006, China

Funding

National Natural Science Foundation of China · Independent Innovation Project of “Double-First Class” Construction of China University of Mining and Technology · Natural Science Foundation of Jiangsu Province · Jiangsu Funding Program for Excellent Postdoctoral Talent · China Postdoctoral Science Foundation · Qing Lan project for excellent teaching team of Jiangsu province (2022) · Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)

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