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,表示出两帧图像间各个像素点的相对情况，实现了对10个数字音的识别。- Monte Carlo simulation method of calculating the American option price and basic descr iption, Between two images showing the relative circumstances of each pixel, To achieve the recognition of 10 digital sound.