基于EHF-YOLOv11n的茄子病害检测方法
摘要
YOLOv11n的改进检测模型EHF-YOLOv11n。该模型首先在骨干网络前端引入边缘信息增强Stem模块EIEStem
通过Sobel分支提取边缘结构信息并结合最大池化分支保留纹理细节与空间结构以缓解早期下采样造成的细粒
度信息衰减。其次在颈部网络中嵌入分层特征融合编码器HFFE利用空间注意力、空间权重矩阵和坐标注
意力增强低层细节信息与高层语义信息之间的交互减少背景噪声对病害特征表达的干扰。实验结果表明EHFYOLOv11n的精确率和mAP50分别达到85.6%和83.1%较YOLOv11n基线模型分别提升4.3和2.2个百分点。所提模
型能够提高自然环境下茄子病害目标的检测精度可为田间病害监测及后续部署优化提供参考。
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