Lane line extraction method and apparatus

The invention discloses a lane line extraction method, apparatus and system, relates to the technical field of traffic, and mainly aims to improve lane line extraction precision and efficiency. The method comprises the steps of collecting a measureable real scene road image; by analyzing the measureable real scene road image, constructing a grid dynamic window-based lane identification region of interest, and performing lane line edge detection on the lane identification region of interest; and extracting lane lines according to lane line information obtained by detection and a lane line extraction model subjected to line fitting correction in a preset lane. The lane line extraction method, apparatus and system is suitable for measureable real scene road image-based lane line extraction. 本发明公开了种车道线提取方法、装置及系统，涉及交通技术领域，主要目的在于提升车道线提取精度和效率。所述方法包括：采集可量测实景道路图像；通过对所述可量测实景道路图像进行分析，构建基于网格动态窗口的车道识别感兴趣区，并对所述车道识别感兴趣区进行车道线边缘检测；根据检测得到的车道线信息和预设车道中线拟合修正的车道线提取模型提取车道线。本发明适用于基于可量测实景道路图像的车道线提取。