读入一张灰度图片，对其进行伪彩色处理，采用卷帘显示方法，动态显示灰度图片到伪彩色图像的变化过程。要求可以暂停显示过程，能使显示过程加快或变缓，能保存伪彩色图像。-Read into a gray-scale images, their pseudo-color processing, the use of shutter display, dynamic display of gray-scale image to pseudo-color image of the change process