中文说明：此程序将彩色图像转换为灰度图像。转换基于彩色图像输入灰度图像一并报送。事实上它将转移到一种灰度图像的颜色。
English Description：
This program converts a gray image to color image. The conversion is based on color image submitted along with the input gray image. Actualy it transfers color to a grayscale image.