包括了小波变换、canny算子、robot算子、LOG算子、等等一系列边缘检测算子、可以应用这些对图像进行对比试验。有很强的应用性能。很不错的东西-Including wavelet transform, canny operator, robot operator, LOG operator, so a series of edge detection operators can apply these image comparison test. Strong application performance. A very good thing