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基于人头颜色空间和轮廓信息的行人检测方法研究
引用本文:高春霞,董宝田,王爱丽. 基于人头颜色空间和轮廓信息的行人检测方法研究[J]. 交通运输系统工程与信息, 2015, 15(4): 70-77
作者姓名:高春霞  董宝田  王爱丽
作者单位:北京交通大学交通运输学院,北京100044
基金项目:国家863计划项目( 2009 AA11Z207);博士科研基金(20110009110011).
摘    要:为提高智能视频监控中行人统计的实时性,提出了一种基于人头颜色空间和轮廓特征的行人检测方法.该方法首先根据人脸肤色、发色在YCbCr和RGB颜色空间的聚类情况,建立人头颜色模型,分割人头候选区域,并针对行人运动的特征,采用多帧差法提取运动信息,剔除背景噪声,修正候选区域的精度;然后根据改进的Canny 算子提取候选区域的轮廓,融合形态学对边缘进行修正,提取候选区域轮廓信息;最后根据人头轮廓的几何特征,剔除“伪候选”区域,并进行连通域信息标记,检测人头图像,从而对行人进行检测和统计信息.结果表明,该方法能快速有效地检测出人头,在动态场景下的行人检测取得了较好的效果.

关 键 词:智能交通  颜色空间  Canny  伪候选区域  连通域  行人检测  
收稿时间:2015-03-11

Pedestrian Detection Method Based on Head Color Space and Outline Information
GAO Chun-xia,DONG Bao-tian,WANG Ai-li. Pedestrian Detection Method Based on Head Color Space and Outline Information[J]. Journal of Transportation Systems Engineering and Information Technology, 2015, 15(4): 70-77
Authors:GAO Chun-xia  DONG Bao-tian  WANG Ai-li
Affiliation:School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044, China
Abstract:An approach of pedestrian detection based on the head color space and outline information is proposed to meet the requirement of reducing people counting time in real- time video monitoring. A head color model is established according to head feature in YCbCr and RGB color space,which obtain head candidate areas. Multi-frame difference method is adopted to eliminate background noise and correct candidate regions based on the characteristic of pedestrian movement. The outlines of candidate regions are extracted based on improved Canny operator and morphology. Fade candidate regions are removed according to the geometrical characteristics of head contours, the connected components are marked to detect pedestrian information. Experimental results show that this algorithm is fast and effective, which could meet the real- time needs of intelligent video surveillance, the better pedestrian detection results are achieved in dynamic traffic scene.
Keywords:intelligent transportation  color space  Canny  fade candidate regions  connected components  pedestrian detection  
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