对一些人类在视觉上存在明显区别的几何图形， 提出了轮廓搜索 、折点定位的改进算法。通过搜索

出的轮廓折点， 根据它的数量， 以及相邻折点之间连线的相互几何关系， 最后识别出图形的快速算法。本文对大量

几何测试图形用该算法实验， 结果证明该识别算法具有运算速度快， 准确度高的特点， 在图形发生拉伸 、旋转等变

形时也能很好对图形进行识别。-A clear distinction between some human visual geometry, contour search, the improved algorithm of the break point positioning. By searching

Out the contours of turning point, according to its quantity, as well as the connection between adjacent turning point of mutual geometric relationships, and finally identify a fast algorithm for graphics. In this paper, a large number of

Geometry test pattern experiment with this algorithm, the results prove that the identification algorithm has a computing speed, high accuracy, the tensile graphics, rotation change

Well shaped graphics to identify.