OpenCV is a huge image and video processing library designed to work with many languages such as python, C/C++, Java, and more.

最更新的52个必学Python+OpenCV实战项目！ 热乎的，快收藏！ OpenCV学堂 2022-10-18 17:13 2007浏览 0评论 0点赞 【直播】解析工业监控电路系统方案及实战案例 IIC Shenzhen 2025：多元场景汇聚全球领袖大咖 ...

OpenCV C++的图像对象Mat有一个函数convertTo可以把图像数据在不同的精度类型之间来回切换比如从字节到浮点数之间来回切换。非常方便，该函数的官方说明如下： 其中参数alpha可以让数据放缩到指定的范围内，比如从字节到浮点 ...

He whipped up a script in Python and OpenCV to automate the counting. The script measures laps by setting two zones on the track. When the train enters the first zone, the counter is armed.