彩色图像视觉注意程序,并有绘制ROC曲线和AUC计算功能-visual attention code for color image，it can plot AUC and ROC

it is used to plot cicul by nice way. Plot a circle v - center (either 2 or 3 dimensional vector) r - radius default = 1 c - color default = white n - number of plot points default = 20 -it is used to plot cicul by nice way.