cv学习
一个校级的cv比赛决赛题目，需要实验，论文和答辩
图像识别
现有一15.88cm*15.88cm的正方形图片，每张图片由一个阿拉伯数字和打乱的二维码背景组成。数字于gif图中依次更换，每张图片停留3s。如下图所示：
处理gif
二维码对数字的干扰
想办法去掉图中干扰的二维码
1、二值化
2、一次5，5膨胀
3、删除200以下轮廓
4、第二次5，5膨胀路
结果如图：
明显不行
将gif抽帧成图片
使用模板匹配
opencv中的macthTemplate函数
结果如图：
https://blog.csdn.net/gaohuazhao/article/details/72886450
#color_test 可能会发专利
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