本文提供了彩色图像的简单降采样，缩小，及方法功能，以及图像成倍给打上马赛克的matlab有效可执行代码，希望对大家的学习有帮助。-This article provides a simple down-sampled color image, narrow, and functional method, and an image mosaic matlab doubled to effectively marked executable code, we hope to help learnin