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一种基于纹理特征的车道线检测方法研究

DOI: 10.3969/j.issn.1674-0696.2014.05.26, PP. 116-119

Keywords: 交通工程,车道线,Gabor变换,纹理特征,消失点,trafficengineering,lanemarking,Gabortransform,texturefeature,vanishingpoint

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Abstract:

:？为提高车道线检测的准确性，根据车道图像信息前景区域纹理特征较为清晰的特点，提出了一种准确的车道线检测方法。针对车道中车辙印对应的纹理特征，通过不同尺度不同方向的Gabor模板变换分析，得到5个尺度、8个方向的特征图，并将其进行融合，得到像素点的纹理方向特征及其方向索引值；利用每一像素点的方向索引值对候选消失点进行投票，确定道路消失点，进而由消失点确定一个扇形扫描区域，定位车道线，建立其直线方程。实验表明该方法对强光照、阴影、车道线遮掩等情况有较强的鲁棒性。

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