程序运行首先生成传统的Logistic映射Feigenbaum分岔图。水平方向是参数u，取值范围是0—4；竖直方向是变量x，取值范围是0—1。-running first generation traditional Logistic Map Feigenbaum bifurcation diagram. The direction is the level parameters u, value in the range of 0-4; Vertical direction is variab

图像边缘检测(Canny 算法)的Java实现 Canny边缘检测算法 step1:用高斯滤波器平滑图象； step2:用一阶偏导的有限差分来计算梯度的幅值和方向； step3:对梯度幅值进行非极大值抑制； step4:用双阈值算法检测和连接边缘 -Edge Detection (Canny algorithm) to the Java Canny edge detection algorithm ste p1 : Gaussian smoothing filte