为数码照片加上标签语（纯文本标签、标准图片标签及带蔽罩层的图片标签）等。-For digital photos labeling language (plain text labels, labeling and with the standard picture layer mask to hide the picture label) and so on.

Simple image 2-pass labeling algorithm, included warshall algorithm to fill the equivalent matrix.

这里列举二值图像连通域标记算法包括直接扫描标记算法和二值图像连通域标记快速算法-Here are the binary image connected component labeling algorithm including direct scan labeling algorithm and a binary image connected component labeling fast algorithm