用蒙特卡洛模拟的方法计算美式期权的价格以及基本描述,实现了图像的灰度化并进一步用于视频监视控，在matlab环境中自动识别连通区域的大小。- Monte Carlo simulation method of calculating the American option price and basic descr iption, Achieve a grayscale image and further control for video surveillance, Automatic iden