提出一种分块阴影检测算法，并描述了算法的实现，实验表明该算法克服了传统的边缘检测算法的缺点，阴影检测效果比传统算

法更好。

-A shadow detection algorithm block, and describes the algorithm, experiments show that the algorithm is to overcome the traditional shortcomings of the edge detection algorithm, shadow detection and better than traditional algorithms.