Dynamic Object Detection and Non-Contact Localization in Lightweight Cattle Farms Based on Binocular Vision and Improved YOLOv8s

Shijie Li, Shanshan Cao, Peigang Wei, Wei Sun () and Fantao Kong ()
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Shijie Li: College of Computer and Information Engineering, Xinjiang Agricultural University, Urumqi 830052, China
Shanshan Cao: Agricultural Information Institute of CAAS, Beijing 100081, China
Peigang Wei: Agricultural Information Institute of CAAS, Beijing 100081, China
Wei Sun: Agricultural Information Institute of CAAS, Beijing 100081, China
Fantao Kong: Institute of Agricultural Economics and Development of CAAS, Beijing 100081, China

Agriculture, 2025, vol. 15, issue 16, 1-28

Abstract: The real-time detection and localization of dynamic targets in cattle farms are crucial for the effective operation of intelligent equipment. To overcome the limitations of wearable devices, including high costs and operational stress, this paper proposes a lightweight, non-contact solution. The goal is to improve the accuracy and efficiency of target localization while reducing the complexity of the system. A novel approach is introduced based on YOLOv8s, incorporating a C2f_DW_StarBlock module. The system fuses binocular images from a ZED2i camera with GPS and IMU data to form a multimodal ranging and localization module. Experimental results demonstrate a 36.03% reduction in model parameters, a 33.45% decrease in computational complexity, and a 38.67% reduction in model size. The maximum ranging error is 4.41%, with localization standard deviations of 1.02 m (longitude) and 1.10 m (latitude). The model is successfully integrated into an ROS system, achieving stable real-time performance. This solution offers the advantages of being lightweight, non-contact, and low-maintenance, providing strong support for intelligent farm management and multi-target monitoring.

Keywords: machine vision localization; dynamic object detection; binocular stereo vision; non-contact; lightweight; YOLOv8s (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2025
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