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。

方向可调小波图像边缘检测，该算法的主要功能是通过小波变换将图像的边缘检测出来。图像的边缘，按像素点来看应该是灰度值突变的地方，方向可调小波边缘检测正式应用这一特性将图像的边缘提取出来-The steerable wavelet image edge detection, the main function of the algorithm is the edge of the image detected by the wavelet transform. The edge of the ima

基于方向小波变换的图像边缘检测算子研究 基于方向小波变换的图像边缘检测算子研究基于方向小波变换的图像边缘检测算子研究-Image edge detection operator based on wavelet transform researchImage edge detection operator based on wavelet transform researchImage edge detection operator based on wavelet transform rese