人脸识别python训练数据时候train报错

Question

本人学的b站上的课代码按照着敲的，训练数据的时候这报错是什么问题怎么解决：Traceback (most recent call last):
File "C:\Users\cn\PycharmProjects\facedetect\opencv\训练数据.py", line 40, in
recognizer.train(faces,np.array(ids))
​ .error: OpenCV(4.5.4-dev) :-1: error: (-5:Bad argument) in function 'train'

Overload resolution failed:

• labels data type = 19 is not supported
• Expected Ptrcv::UMat for argument 'labels'​

Answer 1