黄金科学技术 ›› 2021, Vol. 29 ›› Issue (1): 136-146.doi: 10.11872/j.issn.1005-2518.2021.01.089
Jinghua WANG(),Liguan WANG,Lin Bi()
摘要:
针对传统计算机视觉方法难以实现障碍物实时检测和定位的问题,提出传统计算机视觉技术与深度学习目标检测算法YOLOv3相结合的障碍物智能检测方法。首先,采集电机车行驶区域(即有效检测区域)存在的障碍物数据并制作VOC格式数据集,使用YOLOv3训练数据集,得到障碍物检测模型;然后,采用传统计算机视觉技术定位到轨道,使用“3邻域”搜索法获得轨道线坐标值,根据距离信息向轨道外侧扩展一定距离,提取有效检测区域,同时网格化图片,将障碍物的坐标换算为实际距离;最后,使用障碍物检测模型对有效检测区域进行检测。试验结果表明:该方法可以识别行驶区域内多种特征差异很大的目标物体,如电机车、人和大块落石等;该方法每秒可以处理6帧图片,现场采集的实际数据测试平均精确率达到93.2%。
中图分类号:
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