空间目标跟踪技术中应用小波变换的探讨  

An Investigation for Application of Wavelet Transform to Space Target Tracking

作　　者：徐继友[1] 朱耆祥[1] 

机构地区：[1]中国科学院光电技术研究所,四川成都610209

出　　处：《光电工程》2000年第5期52-57,共6页Opto-Electronic Engineering

摘　　要：介绍了小波变换的特点及其在图象边缘提取中的意义 ,说明了扩展目标用小波变换进行目标形心计算的详细步骤 ,并以飞机图象为目标在不同图象模糊程度及背景噪音情况下用小波变换进行了目标形心坐标提取 ,比较了不同图象模糊程度及背景噪音情况下目标形心坐标提取的精度 ,展示了小波变换在扩展目标跟踪技术中应用的前景。The characteristics of wavelet transform and its significance in image edge extraction are presented.The detailed steps for the extended target c entroid calculation with wavelet transform are described.Extracting target(airp la ne) centroid coordinates when airplane images are in the background noise condit ions with different image fuzzy degrees by using wavelet transform,the extracti ng accuracy for target centroid coordinates under the different image fuzzy degr ees and background noise conditions are compared.The application prospect of wav elet transform in the extended target tracking is shown.

关 键 词：空间目标跟踪 小波变换 边缘提取 图像处理 

分 类 号：TN911.74[电子电信—通信与信息系统] V556[电子电信—信息与通信工程]