程序用c写的区域连通算法，根据是Fu Chang，在“A Linear-Time Component-Labeling Algorithm Using Contour Tracing Technique”提出的算法写的，压缩包有相关论文和程序-Program written in c regional connectivity algorithm, according to Fu Chang, " A Linear-Time Component-Labeling Algorithm Using Contour Tracing Technique"　algorithm to write compressed package papers and procedures