Using Fisheye Camera For Cost-Effective Multi-View People Localization

Yueh-Cheng Huang, Chin-Wei Liu, Jen-Hui Chuang
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引用次数: 4

Abstract

In advanced multi-view video surveillance systems, people localization is usually a crucial part of the complete system and need to be accomplished in a short time to reserve sufficient processing time for subsequent high-level analysis. As the surveillance area increases, it is required to install a large number of cameras for multi-view people localization. To lower the equipment cost and setup time, we incorporate fisheye (or wide-angle) camera to an efficient vanishing point-based line sampling scheme for people localization, by ensuring the fisheye camera is looking downward so that its principal point becomes the vanishing point of vertical lines. Experimental results show that the utilization of fisheye-camera can (i) achieve localization accuracy comparable or superior to that using ordinary cameras, (ii) reduce the camera count by 75% on the average while covering the same or larger size of a monitored area, and (iii) greatly simplify the camera installation process.
利用鱼眼相机进行高性价比的多视角人物定位
在先进的多视点视频监控系统中,人员定位通常是整个系统的关键部分,需要在较短的时间内完成定位,为后续的高层分析预留足够的处理时间。随着监控面积的增加,需要安装大量的摄像机进行多视点人员定位。为了降低设备成本和设置时间,我们将鱼眼(或广角)相机结合到一种高效的基于消失点的人物定位线采样方案中,通过确保鱼眼相机向下看,使其主点成为垂直线的消失点。实验结果表明,利用鱼眼摄像机可以(1)达到与普通摄像机相当或更好的定位精度,(2)在覆盖相同或更大的监控区域的情况下,平均减少75%的摄像机数量,(3)大大简化了摄像机的安装过程。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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