Firstly,, the data of a color image were saved into a single chain list.Then the list was scanned, finding two nodes whose chromatism is the least.Finally, the two nodes were combined into a new node.

• 首先将彩色图像的像素数据保存在单链表中，然后对链表进行扫描，并把本次扫描得到的色差最小的两个节点合并成一个新的节点。