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，比如从字节到浮点数类型 CV_8U 转换为CV_32Falpha=1.0/255.0 ...

Learn how to use OpenCV and MediaPipe in Python to detect facial landmarks like a pro. #ComputerVision #FacialRecognition #PythonAI 32 dead, including 14 children in deadly Texas flooding Ann-Margret, ...