Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

CM-YOLOv8: Lightweight YOLO for Coal Mine Fully Mechanized Mining Face

Version 1 : Received: 25 January 2024 / Approved: 25 January 2024 / Online: 25 January 2024 (08:40:13 CET)

A peer-reviewed article of this Preprint also exists.

Fan, Y.; Mao, S.; Li, M.; Wu, Z.; Kang, J. CM-YOLOv8: Lightweight YOLO for Coal Mine Fully Mechanized Mining Face. Sensors 2024, 24, 1866. Fan, Y.; Mao, S.; Li, M.; Wu, Z.; Kang, J. CM-YOLOv8: Lightweight YOLO for Coal Mine Fully Mechanized Mining Face. Sensors 2024, 24, 1866.

Abstract

With the continuous development of deep learning, the application of object detection based on deep neural network in the coal mine has been expanding. Simultaneously, as the production applications demand higher recognition accuracy, most research chooses to enlarge the depth and parameters of the network to improve accuracy. However, due to the limited computing resources in the coal mining face, it is challenging to meet the computation demands of a large number of hardware resources. Therefore, this paper proposes a lightweight object detection algorithm designed specifically for coal mining face, referred to as CM-YOLOv8. The algorithm introduces adaptive predefined anchor boxes tailored to the coal mining face dataset to enhance the detection performance of various targets. Simultaneously, a pruning method based on the L1 norm is designed, significantly compressing the model's computation and parameter volume without compromising accuracy. The proposed algorithm is validated on the coal mining dataset DsLMF+, achieving a compression rate of 40% on the model volume with less than a 1% drop in accuracy. Comparative analysis with other existing algorithms demonstrates its efficiency and practicality in coal mining scenarios. The experiments confirm that CM-YOLOv8 significantly reduces the model's computational requirements and volume while maintaining high accuracy.

Keywords

object detection; coal mine; YOLOv8; lightweight purning

Subject

Computer Science and Mathematics, Computer Vision and Graphics

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