Head detection based on YOLOv3 image processing technology

Yang Liu; Yunling Li; Keyi Yang; Xinyu Liu

doi:10.1117/12.2625717

9 December 2021 Head detection based on YOLOv3 image processing technology

Yang Liu, Yunling Li, Keyi Yang, Xinyu Liu

Proceedings Volume 12129, International Conference on Environmental Remote Sensing and Big Data (ERSBD 2021); 1212909 (2021) https://doi.org/10.1117/12.2625717
Event: 2021 International Conference on Environmental Remote Sensing and Big Data, 2021, Wuhan, China

Abstract

With the advancement of science and technology, image processing technology is widely used. In this paper, we use computer technology to process the image data of the screenshots in the classroom monitoring to achieve the goal of extracting human heads. In this study, we selected screenshots of different size classrooms, camera views, and classroom lighting conditions. Combined with the PASCAL VOC dataset format, we applied the Labellmg-master image annotation tool to annotate the human head. The traditional YOLOv3 algorithm misses and repeats detections. Its accuracy and recall rates are poor. Therefore, we propose an optimization algorithm for classroom monitoring via head detection based on the YOLOv3 algorithm. The main improvements are the clustering the dataset labels with the Kmeans algorithm, increasing the size of the output feature map, and optimizing the loss function. Experiments were conducted with both the YOLOv3 and optimized YOLOv3 algorithms. By comparing the experimental results, we can conclude that the optimized YOLOv3 algorithm can improve the detection accuracy by 6% and recall rate by 11% on the test set, which has a high detection performance. This shows that image data processing technology has a better application effect in classroom monitoring.

Citation Download Citation

Yang Liu, Yunling Li, Keyi Yang, and Xinyu Liu "Head detection based on YOLOv3 image processing technology", Proc. SPIE 12129, International Conference on Environmental Remote Sensing and Big Data (ERSBD 2021), 1212909 (9 December 2021); https://doi.org/10.1117/12.2625717

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KEYWORDS

Detection and tracking algorithms

Target detection

Head

Image processing

Image enhancement

Cameras

Neural networks

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