JOURNAL ARTICLE

基于改进YOLOv8算法的遥感图像目标检测

张秀再 Zhang Xiuzai沈涛 Shen Tao许岱 Xu Dai

Year: 2024 Journal:   Laser & Optoelectronics Progress Vol: 61 (10)Pages: 1028001-1028001

Abstract

针对遥感图像目标检测算法漏检和误检率高、目标定位不精确、无法准确识别目标类别等问题,提出一种基于改进YOLOv8的目标检测算法。为提高模型的损失函数对梯度分配的灵活性,适应各种形状和尺寸的物体,设计了非单调聚焦机制与边界框几何因素相结合的边界框回归损失函数;为扩大模型的感受野并削弱遥感图像背景对检测目标的影响,采用全局注意力机制与残差块结合的方式,设计了残差全局注意力机制;为使模型适应遥感图像中目标物体的形变与不规则排列,对YOLOv8模型中的C2f模块进行改进,融入可变形卷积与可变形感兴趣区域池化层。实验结果表明,在DOTA数据集和RSOD数据集上,所提算法的平均精度均值([email protected])达到72.1%和94.6%,优于对比算法,提高了遥感图像目标检测精度,为遥感图像识别提供了新的手段。

Keywords:
Computer science

Metrics

12
Cited By
6.36
FWCI (Field Weighted Citation Impact)
25
Refs
0.94
Citation Normalized Percentile
Is in top 1%
Is in top 10%

Citation History

Topics

Advanced Image and Video Retrieval Techniques
Physical Sciences →  Computer Science →  Computer Vision and Pattern Recognition
Advanced Neural Network Applications
Physical Sciences →  Computer Science →  Computer Vision and Pattern Recognition
Robotics and Sensor-Based Localization
Physical Sciences →  Engineering →  Aerospace Engineering

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