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Detection and Tracking of Moving Objects Using a Network of Laser Scanners
In our previous work,we reported a system that
monitors an intersection using a network of horizontal laser
scanners.This paper focuses on an algorithm for moving-object
detection and tracking,given a sequence of distributed laser scan
data of an intersection.The goal is to detect each moving object
that enters the intersection;estimate state parameters such as
size;and track its location,speed,and direction while it passes
through the intersection.This work is unique,to the best of the
authors’knowledge,in that the data is novel,which provides new
possibilities but with great challenges;the algorithm is the first
proposal that uses such data in detecting and tracking all moving
objects that pass through a large crowded intersection with focus
on achieving robustness to partial observations,some of which
result from occlusions,and on performing correct data associa-
tions in crowded situations.Promising results are demonstrated
using experimental data from real intersections,whereby,for 1063
objects moving through an intersection over 20 min,988 are
perfectly tracked from entrance to exit with an excellent tracking
ratio of 92.9%.System advantages,limitations,and future work
are discussed.
2012-06-06
A Contour-Based Moving Object Detection and Tracking
基于轮廓的视觉跟踪,可以很好的进行动态跟踪与识别,能够较好的获得要检测物体。
2012-06-06
手机常识汇总-----为我们解决手机常见的问题
在手机使用过程中,难免会遇到一些问题,那是不是有时出现了问题就要找手机维修站呢?不用,其实我们时刻以自己解决很多问题的。这篇文章就是在分析了手机机理的前提下,为我们提供解决问题的方法。
2011-05-12
蓝牙HCI-UART主控制接口的FPGA设计与实现
蓝牙技术作为一种短间隔的无线通讯技术,具有巨大的发展潜力,本文意从
HCI层进行蓝牙技术的应用开发。本文首先容了HCI和UART的结构与原理,在分析和比较HCI三种类型接口USB、RS-232和UART优缺点的基础,提出了一种基于FPGA采用硬件设计HCI-UART的实现方式。本设计在Quartus II 9.0集成设计环境下,采用硬件描述语言Verilog分模块设计完成,设计经过Modelsim 6.4a仿真与验证。
2011-05-12
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