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智能交通卡口监测系统的图像序列压缩编码
引用本文:李振华,张兆杰,徐胜男.智能交通卡口监测系统的图像序列压缩编码[J].计算机工程,2011,37(22):198-201.
作者姓名:李振华  张兆杰  徐胜男
作者单位:1. 山东大学控制科学与工程学院,济南,250061
2. 济南广播电视大学,济南,250001
基金项目:国家自然科学基金资助项目,教育部留学回国人员科研启动基金,国家部委基金
摘    要:根据智能交通卡口监测系统网像序列的特点,提出一种基于车辆目标检测与运动估计的灰度图像序列压缩编码方案,该方案分为帧内编码和帧问编码2个部分.帧内编码,即静止图像编码,采用多级树集合分裂算法对图像的提升9/7小波变换系数进行编码.帧间编码则提取图像序列中的车辆目标,应用双线性插值方法,根据前一帧中的匹配目标预测当前帧中的...

关 键 词:智能交通  图像序列  图像压缩  目标提取  小波变换
收稿时间:2011-04-27

Image Sequence Compression Coding for Intelligent Traffic Bayonet Monitoring System
LI Zhen-hua,ZHANG Zhao-jie,XU Sheng-nan.Image Sequence Compression Coding for Intelligent Traffic Bayonet Monitoring System[J].Computer Engineering,2011,37(22):198-201.
Authors:LI Zhen-hua  ZHANG Zhao-jie  XU Sheng-nan
Affiliation:1.School of Control Science and Engineering,Shandong University,Jinan 250061,China;2.Jinan Radio TV University,Jinan 250001,China)
Abstract:This paper presents a gray image sequence compression method by using vehicle target detection and motion compensation.Intra coding and inter coding are both used in the proposed image sequence coding algorithm.For the intra coding step,it uses the lifting 9/7 wavelet transform based Set Partitioned in Hierarchical Tree(SPIHT) method.For the inter coding step,vehicle targets in the image sequences are extracted,and objects in the current frame are predicted by the matching objects in the former frame using bilinear interpolation.Differences between the predictive frame and the current frame are coded and motion vectors of the matching objects are embedded into the bit stream.Experimental results show the method works well in image sequence coding for intelligent vehicle monitoring systems.
Keywords:intelligent traffic  image sequence  image compression  target extraction  wavelet transform
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