It integrates the speediness of small window reptile and the veracity of big window reptile,and presents a new reptile method with memory and alterable window for image boundary tracing.

• 综合小窗口“爬虫”的快速性和大窗口“爬虫”的准确性提出了一种有记忆的变窗“爬虫”边界跟踪方法。