本次设计在圆检测中的HOUGH变换前增加预处理过程。结果表明，使用我们提出的算法仍能基本保留传统HOUGH变换的优点，并且对图像场景中的干扰不敏感,在圆周残缺不全的情况下仍能进行正确检测.-The circular design in the detection of pre-treatment before the HOUGH transform process. The results show that our proposed algorithm can still retain the