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南京邮电大学自动化学院、人工智能学院,江苏南京 210023
Received:03 September 2024,
Revised:2024-11-28,
Published Online:06 March 2025,
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ZHU Song-hao, TAN Shao-han. Multi dimension feature refinement based on starting point guidance for lane line detection in complex scene.[J/OL]. ACTA ELECTRONICA SINICA, 2025, 1-10.
ZHU Song-hao, TAN Shao-han. Multi dimension feature refinement based on starting point guidance for lane line detection in complex scene.[J/OL]. ACTA ELECTRONICA SINICA, 2025, 1-10. DOI: 10.12263/DZXB.20240816.
车道线检测作为智能驾驶系统的基石,在车道保持、自适应巡航等辅助驾驶过程中发挥着至关重要的作用.鉴于车道线检测在提升道路安全、促进智能驾驶及智慧交通发展中的关键作用,车道线检测技术的研究具有深远的学术价值与应用前景.然而,由于车道线的多样性、路况的复杂性及天气的多样性等因素,车道线检测面临诸多挑战.研究提出一种基于起始点引导的多维特征细化的复杂场景车道线检测方法,利用全局特征优化模块和车道线感知聚合模块对特征进行优化,捕捉足够的上下文信息,利用起始点坐标预测模块预测车道线的起始点坐标,生成高质量的锚点.为更好适应二维车道线检测,研究提出更为通用的惩罚车道线交并比损失函数评估车道线的预测结果.与目前车道线检测算法中精度最高的CLRNet-DLA34方法相比,所提方法在CULane数据集和CurveLanes数据集的
F
1
@50分别高出了0.62%和0.73%,达到81.39%和86.83%.实验结果表明,所提方法在复杂场景车道线检测任务中取得了良好的检测效果,且在现有方法中具有很强的竞争力.
Lane detection
as the cornerstone of intelligent driving systems
plays a crucial role in assisting driving processes such as lane keeping and adaptive cruise control.Given the crucial role of lane detection in improving road safety
promoting intelligent driving and intelligent transportation development
the research on lane detection technology has profound academic value and application prospects.However
due to the diversity of lane categories
road conditions and weather environments
as well as the different aspect ratios of lane lines
lane detection algorithms face many challenges.This paper proposes a multi-dimensional feature refinement method for complex scene lane detection based on start point guidance.Firstly
a global feature optimization module is utilized to enhance the global feature representation capability and a lane line perception aggregation module is utilized to enhance the correlation of local features
which helps to improve the semantic understanding ability and prediction accuracy of the model.Secondly
a starting point coordinate prediction module is utilized to predict the starting point coordinates of lane line to generate flexible anchors under various complex scenarios.Finally
a more general penalty lane intersection to union ratio is selected as the loss function to represent lane lines with variable virtual widths
which helps to improve the detection accuracy of the model.Compared with the CLRNet-DLA34 method
which has the highest accuracy in current lane detection algorithms
the method proposed in this paper improves the detection accuracy in terms of F1@50 on the CULane and CurveLanes datasets by 0.62%and 0.73%respectively
reaching 81.39%and 86.83%The experimental results demonstrate that the proposed method achieves good detection performance in complex scene lane detection tasks and has strong competitiveness among existing methods.Experimental results demonstrate that the proposed method performs well in lane detection tasks in complex scenes and has strong competitiveness among existing methods.
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