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基于多尺度特征增强的改进YOLOv11n桑蚕健康状态实时检测研究
电子技术应用
易云飞1,2,3,史英杰1,陈旺3,施丽媛1,史翔宇1
1.广西科技大学 计算机科学与技术学院;2.河池学院 大数据与计算机学院;3.广西师范大学 计算机科学与工程学院
摘要: 为解决传统桑蚕养殖中病蚕识别滞后、检测精度不足的问题,提出一种改进YOLOv11n的桑蚕健康状态检测方法(MSDA-YOLO)。该方法的核心创新包括:(1)在主干网络中引入多尺度分组空洞卷积(Multi-scale Grouped Dilated Convolution,MSGDC)与C3k2结合设计了C3k2MS模块,以提升对不同尺度特征的提取能力;(2)首次在桑蚕检测研究中引入DySample动态上采样器,提高在密集场景下对蚕体的空间细节感知与几何结构保持能力;(3)使用自适应空间特征融合策略(Adaptively Spatial Feature Fusion,ASFF)改造YOLOv11的检测头,优化多尺度特征融合效能,抑制尺度间特征冲突。实验结果表明,MSDA-YOLO在多项评估指标上均表现出色。具体而言,该方法在精确率上达到87.0%,召回率为77.8%,mAP@0.5为87.3%,mAP@0.5:0.95为52.8%,均领先于基线模型YOLOv11n和目前主流的YOLO系列检测模型,在桑蚕健康检测方面具有明显优势。
中圖分類號:TP391 文獻標志碼:A DOI: 10.16157/j.issn.0258-7998.257687
中文引用格式: 易云飛,史英杰,陳旺,等. 基于多尺度特征增強的改進YOLOv11n桑蠶健康狀態實時檢測研究[J]. 電子技術應用,2026,52(7):142-150.
英文引用格式: Yi Yunfei,Shi Yingjie,Chen Wang,et al. Research on real-time detection of silkworm health status based on improved YOLOv11n with multi-scale feature enhancement[J]. Application of Electronic Technique,2026,52(7):142-150.
Research on real-time detection of silkworm health status based on improved YOLOv11n with multi-scale feature enhancement
Yi Yunfei1,2,3,Shi Yingjie1,Chen Wang3,Shi Liyuan1,Shi Xiangyu1
1.School of Computer Science and Technology, Guangxi University of Science and Technology;2.School of Big Data and Computer Science, Hechi University;3.School of Computer Science and Engineering, Guangxi Normal University
Abstract: This paper proposes an improved silkworm health detection algorithm based on YOLOv11n (MSDA-YOLO) to address the issues of delayed disease recognition and insufficient detection accuracy in traditional silkworm farming. The core innovations of the algorithm include: 1) introducing the Multi-scale Grouped Dilated Convolution in the backbone network and combining it with C3k2 to propose the C3k2MS module, which enhances the model’s ability to extract features at different scales; 2) introducing the DySample dynamic upsampler for the first time in silkworm disease detection, which improves the model’s ability to perceive spatial details and maintain geometric structure for small targets; 3) using the Adaptive Spatial Feature Fusion strategy to modify YOLOv11’s detection head, optimizing multi-scale feature fusion and suppressing feature conflicts between scales. Experimental results show that MSDA-YOLO achieves superior performance, with a precision of 87.0%, recall of 77.8%, mAP@0.5 of 87.3%, and mAP@0.5:0.95 of 52.8%, surpassing the baseline YOLOv11n and other mainstream YOLO models, demonstrating its clear advantage in silkworm health detection.
Key words : YOLOv11n;multi-scale grouped dilated convolution;DySample;adaptively spatial feature fusion

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作者信息:

易云飛1,2,3,史英杰1,陳旺3,施麗媛1,史翔宇1

(1.廣西科技大學 計算機科學與技術學院,廣西 柳州 545006;

2.河池學院 大數據與計算機學院,廣西 河池 546300;

3.廣西師范大學 計算機科學與工程學院,廣西 桂林 541000)

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