Elevator-Waiting People Counting System Based on MeanShift Segmentation and SVM Classification

ZHANG Yu-Yang; LIU Man-hua; HAN Tao

doi:10.3788/OPE.20132104.1079

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Elevator-Waiting People Counting System Based on MeanShift Segmentation and SVM Classification

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- Elevator-Waiting People Counting System Based on MeanShift Segmentation and SVM Classification
- Optics and Precision Engineering Vol. 21, Issue 4, Pages: 1079-1085(2013)
- 作者机构：
  
  上海交通大学电子信息与电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20132104.1079
  CLC： TP391.4
- Received：30 November 2012，
  
  Revised：29 December 2012，
  
  Published Online：20 April 2013，
  
  Published：15 April 2013
- 稿件说明：
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张宇洋刘满华韩韬. 基于MeanShift图像分割结合SVM判决的候梯人数视觉检测系统[J]. 光学精密工程, 2013,21(4): 1079-1085

ZHANG Yu-Yang LIU Man-hua HAN Tao. Elevator-Waiting People Counting System Based on MeanShift Segmentation and SVM Classification[J]. Editorial Office of Optics and Precision Engineering, 2013,21(4): 1079-1085
张宇洋刘满华韩韬. 基于MeanShift图像分割结合SVM判决的候梯人数视觉检测系统[J]. 光学精密工程, 2013,21(4): 1079-1085 DOI： 10.3788/OPE.20132104.1079.

ZHANG Yu-Yang LIU Man-hua HAN Tao. Elevator-Waiting People Counting System Based on MeanShift Segmentation and SVM Classification[J]. Editorial Office of Optics and Precision Engineering, 2013,21(4): 1079-1085 DOI： 10.3788/OPE.20132104.1079.

摘要

根据电梯群控系统的需求，提出了一种基于视觉检测技术获得候梯人数的新方法。考虑候梯人数检测系统的监测目标为候梯人群，而候梯人群的心理、建筑风格，摄像机的安装角度、复杂背景等因素均会影响到待识别模式的提取，故作者提出了以人体头部作为模式进行模式识别来检测候梯乘客的数量。该方法以Mean Shift图像分割算法和支持向量机(SVM)决策分类器为核心，考虑候梯人群图像采集角度、拍摄镜头的特殊性等对候梯人群头部进行精确识别，较为快速地得到了准确的识别结果。实验证明，该方法处理图像速度可保持在每幅图片2 s以内，准确率超过80%，满足了电梯群控系统的需求。由于能够使电梯群控系统获得稳定可靠的输入参数，从而提高了电梯群的运送效率。

Abstract

According to the requirements of elevator-group-control systems

a new method based on computer vision detection technology was proposed to obtain the number of passengers waiting outside of an elevator. As the detecting target of the system was the passengers waiting outside of the elevator

the feelings of passengers

building styles

the installation angle of a camera and the complex background would effect the detection pattern. Therefore

this paper took the human head as the model to implement the pattern recognition and to detect the number of passengers waiting outside of the elevator. The proposed method based on computer vision detection algorithm combined Mean Shift image segmentation and Support Vector Machine (SVM) classification and recognized the human head features according to the angles of image acquisition and special lenses of cameras. It can obtain accurate recognition results. Experimental results show that the method has an image processing speed by 2 s/image in real time and the accuracy above 80%

which meets the needs of elevator-group-control systems. As a results

the transport efficiency has been improved greatly due to the stable input parameters for the elevator-group-control systems.

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Keywords

references

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