数字农科院2.0

Method for Dairy Cow Target Detection and Tracking Based on Lightweight YOLO v11

文献类型： 外文期刊

作者： Li, Zhongkun;Cheng, Guodong;Yang, Lu;Han, Shuqing;Wang, Yali;Dai, Xiaofei;Fang, Jianyu;Wu, Jianzhai

作者机构：

关键词： dairy cow;lightweight model;YOLO v11;target detection;multi-target tracking

期刊名称： ANIMALS

ISSN： 2076-2615

年卷期： 2025 年 15 卷 16 期

页码：

收录情况： SCIE（2025版）

摘要： With the development of precision livestock farming, in order to achieve the goal of fine management and improve the health and welfare of dairy cows, research on dairy cow motion monitoring has become particularly important. In this study, considering the problems surrounding a large amount of model parameters, the poor accuracy of multi-target tracking, and the nonlinear motion of dairy cows in dairy farming scenes, a lightweight detection model based on improved YOLO v11n was proposed and four tracking algorithms were compared. Firstly, the Ghost module was used to replace the standard convolutions in the YOLO v11n network and a more lightweight attention mechanism called ELA was replaced, which reduced the number of model parameters by 18.59%. Then, a loss function called SDIoU was used to solve the influence of different cow target sizes. With the above improvements, the improved model achieved an increase of 2.0 percentage points and 2.3 percentage points in mAP@75 and mAP@50-95, respectively. Secondly, the performance of four tracking algorithms, including ByteTrack, BoT-SORT, OC-SORT, and BoostTrack, was systematically compared. The results show that 97.02% MOTA and 89.81% HOTA could be achieved when combined with the OC-SORT tracking algorithm. Considering the demand of equipment in lightweight models, the improved object detection model in this paper reduces the number of model parameters while offering better performance. The OC-SORT tracking algorithm enables the tracking and localization of cows through video surveillance alone, creating the necessary conditions for the continuous monitoring of cows.

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