基于SAR图像的点状目标检测方法研究

Study on point targets detection in SAR images

分析了SAR图像目标检测中常用的方差法、恒虚警算法 ,讨论了对纹理和灰度都敏感的扩展分形法 ,然后针对弱目标的检测 ,提出了基于小波多分辨率能级分析的检测方法 ,最后对四种算法的性能作了比较 。

The conventional target detections in SAR images such as VAR method, constant false alarm rate algorithm and extended fractal method were introduced. A new scheme based on wavelet multi resolution energy analysis was proposed to resolve the problem of dim point targets detection. The performances of four methods are compared by simulation examples.