通过高斯函数导数检测图像边缘，实质是方向可调小波变换检测图像边缘。

基于小波变换的在恒虚警概率下检测概率方法，具有不错的学习价值。-In CFAR detection probability method based on wavelet transform has a good learning value.

该文章主要介绍了用小波变换实现图像边缘检测，能够实现多角度的检测，更加准确。-This article introduces the wavelet transform image edge detection, can realize multi-angle detection, more accurate.