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README in English

#交通检测资料资料索引
####导言 交通检测主要分为以下四项内容:

  1. 车道线
  2. 车辆、行人检测
  3. 交通标识
  4. 距离检测

其中以车辆行人检测、车道线检测为较难,检测基于多帧,并使用许多感性的认识来做过滤。 CV的库: opencv、libccv


##车辆、行人检测 车辆行人检测可分为四个步骤,(该方式参考论文:Pedestrian Detection for Driving Assistance Systems: Single-frame Classification and System Level Performance)

  1. 在图像上,生成多个可重叠检测窗口,这些窗口的位置,可以是集中在车道线上,而不是在图像顶部(在图像中,顶部既是天空),用这个方法来避免全图扫描,并做到并发。
  2. 单帧检测,涉及DPM
  3. 多帧跟踪,连续多帧内,检测到的物体不会跑太远,有一定的运动规则,利用这点来避免重复的DPM,并过滤一定噪音(既上一帧存在,这一帧消失了,有可能是噪音)
  4. 用方框框出目标,并测出方框距离,速度等等。这个时候可以利用方框在路面上、人脚在方框底部这个感性认识来过滤噪音

关于步骤2,有以下参考论文:
30Hz Object Detection with DPM V5

DPM: Object Detection with Discriminatively Trained Part Based Models
中文翻译
libccv提供DPM

HOG: Histograms of Oriented Gradients for Human Detection
中文翻译

用图像分割来辅助后续的检测也是一个思路: Distinctive Image Features from Scale-Invariant Keypoints
opencv上的有 金字塔、分水岭、均值漂移
均值漂移算法的研究与应用
符合人类视觉感知的图像对象分割方法

##车道线检测 这篇论文描述了基本的几个车道检测方法,从检测到跟踪
基于成像模型的车道线检测与跟踪方法

弯道拟合 Lane detection and tracking using B-S

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