本程序可以实现从输入的图片中找到其中的方形，算法简单！本程序是基于OpenCV的，使用前，请安装此软件。-this procedure can be achieved from the import of the pictures to find the square, the algorithm is simple! This procedure is based on OpenCV, before use, install the software.

基于频域的方字识别算法 -Word recognition algorithm based on the square of the frequency domain

扑克牌识别。工程内用对A~10的纸牌识别，导入了本人自创的均方差排列式去旋转性算法，一个小课程设计，代码有点乱-Card identification. Within the engineering use of ~ 10 A card identification, imported the mean square deviation arrangement of my own style to rotate algorithm, A small curriculum design, the