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