方向小波变换及其在运动弱目标检测中的应用

被引:6
作者
周杰
彭嘉雄
丁明跃
机构
[1] 清华大学自动化系,华中理工大学图象识别与人工智能研究所,华中理工大学图象识别与人工智能研究所北京,武汉,武汉
关键词
弱目标; 图象序列; 小波变换; 目标检测;
D O I
10.13976/j.cnki.xk.1996.01.003
中图分类号
TP391.41 [];
学科分类号
080203 ;
摘要
定义了一种新的小波变换即"方向小波变换",它不仅保持了传统小波变换良好的时频局部分析能力,还具有良好的方向分析特性.研究了它在运动弱目标检测中的应用,提出一种多尺度的运动弱目标检测方法,其可以充分利用目标的不稳定"面"信息,迅速有效地检测出运动弱目标的轨迹.
引用
收藏
页码:21 / 27
页数:7
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