A method for vehicle target recognition in a complex scene based on YOLO-FSG

By improving the YOLO-FSG model and utilizing the spatial frequency hybrid convolution module and the global-local adaptive module, the problem of low vehicle target recognition accuracy in complex scenarios was solved, achieving higher detection accuracy and robustness.

CN122415979APending Publication Date: 2026-07-17DALIAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DALIAN UNIV
Filing Date
2026-04-13
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing vehicle target recognition methods have low recognition accuracy in complex scenes, especially under factors such as occlusion, changes in lighting, and background interference, which makes it difficult to effectively capture subtle features, resulting in a decrease in detection accuracy.

Method used

The YOLO-FSG model is adopted, and the C3K2 module in the backbone network is replaced with a spatial frequency hybrid convolutional module (SFHC), a P2 detection head is added, and a global local adaptive module (GLAM) is introduced to improve vehicle recognition accuracy.

Benefits of technology

It significantly improves the accuracy and noise resistance of vehicle target recognition, and can achieve accurate detection in complex lighting and multi-scale scenes. The evaluation indicators are improved by 3%-5%, surpassing other mainstream models.

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Abstract

本发明涉及车辆目标识别技术领域,具体涉及一种基于YOLO‑FSG的复杂场景中车辆目标识别的方法,包括:获取车辆识别数据集,对所述数据集进行预处理;将预处理后的数据集划分为训练集、验证集和测试集;构建车辆目标识别模型,所述车辆目标识别模型基于YOLO‑FSG模型建立,所述YOLO‑FSG模型基于YOLOv11n改进得到,改进在于:在骨干网络中采用空间频率混合卷积模块替换传统YOLO‑FSG的C3K2模块,在头部网络中增加了P2检测头,引入全局局部自适应模块连接骨干网络和颈部网络;利用所述训练集和验证集训练所述车辆目标识别模型,得到训练好的车辆目标识别模型;将所述测试集输入至训练好的车辆目标识别模型中,以实现车辆识别。本发明能够在路况复杂的情况下精准识别车辆目标。
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