Journal of Jilin University(Engineering and Technology Edition) ›› 2024, Vol. 54 ›› Issue (7): 1894-1902.doi: 10.13229/j.cnki.jdxbgxb.20221129

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Accurate lane detection of complex environment based on double feature extraction network

Yun-zuo ZHANG1,2(),Yu-xin ZHENG1,Cun-yu WU1,Tian ZHANG1   

  1. 1.School of Information Science and Technology,Shijiazhuang Tiedao University,Shijiazhuang 050043,China
    2.Hebei Key Laboratory of Electromagnetic Environmental Effects and Information Processing,Shijiazhuang Tiedao University,Shijiazhuang 050043,China
  • Received:2022-09-02 Online:2024-07-01 Published:2024-08-05

Abstract:

The existing lane detection methods have the problem of low detection accuracy due to fuzzy details in a complex environment. Therefore, this paper proposes an accurate lane detection algorithm based on a double feature extraction network in a complex environment. Firstly, a double feature extraction network is built to obtain feature maps of different scales, extract more effective features, and improve the feature extraction ability of the model in complex environments. Besides, a cross-channel joint attention module is constructed to improve the attention of the model to lane details and suppress useless information. Finally, combined with the improved void space pyramid pooling module, the receptive field is enlarged to improve the utilization of context information of the model, to strengthen the detection ability. The experimental results show that the F1-measure of the proposed algorithm on CULane dataset reaches 72.43%, which is 4.03% higher than that of the mainstream UFSD algorithm. When detecting lane lines in complex scenes, the detection effect of the proposed method is significantly improved, which has been proven to be able to meet the needs of practical applications.

Key words: computer application, lane detection, double feature extraction, multi-scale, combined attention mechanism

CLC Number: 

  • TP391.4

Fig.1

Overall structure of the algorithm proposed in this paper"

Fig.2

DFE-Net network structure"

Fig.3

Across channels united attention module"

Fig.4

Atrous spatial pyramid pooling modul"

Table 1

CULane data set category information"

类别正 常拥挤强光阴影无车道线箭头弯道交叉路口夜晚
占比/%27.723.41.42.711.72.61.29.020.3

Table 2

Comparison of results of different algorithm models on CULane test set"

算法模型FastDraw24SCNN23SAD25UFSD20CurveLanes26本文
综合-71.6070.8068.4071.4072.43
正常85.9090.6090.1087.7088.3090.72
拥挤63.669.7068.8066.0068.6072.28
强光57.058.5060.2058.4063.2064.56
阴影59.966.9065.9062.8068.0068.89
无车道线40.643.4041.6040.2047.9043.38
箭头79.484.1084.0081.0082.5086.46
弯道65.264.4065.7057.9066.0064.12
交叉路口701319901998174328171804
夜晚57.866.1066.0062.1066.2066.53

Fig.5

Comparison of detection effect between this algorithm and the UFSD algorithm"

Table 3

Results of comparing different modules"

基础模型20DFE-NetCBAM21AUAMASPP27ASPP*F1-measure
68.40
69.97
70.03
70.56
71.92
72.43

Table 4

Ablation experiment results"

基础模型DFE-NetAUAMASPP*F1-measure
68.40
69.97
70.56
72.43
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