。本实验要求编写一个程序，程序的输入为图像中指定的两个灰度级范围，程序的输出为RGB格式图像，其中，一个灰度级范围显示为指定的彩色，其余的像素以RGB形式显示为与输入图像相同的灰度色。并且用上述的程序处理所要求处理的图像了，要求使河流呈现黄色，其余区域像素与原输入图像灰度保持一致。-. In this study, prepared at the request of a program, the program specified in the input image gray-scale range, the output of the program image to RGB format, in which, a gray-scale range for the specified color to the rest of the pixels in RGB form the same gray color as the input image. And require processing the image using the above procedures, requirements of the river yellow, the remaining area of ​ ​ pixels with the original input image gray consistent.