OPENCV调取摄像头检测人脸- python

代码以下： 其中摄像头用 1时：cap = cv2.VideoCapture(0) 2时：cap = cv2.VideoCapture(1)web import cv2 cap = cv2.VideoCapture(1) face_cascade = cv2.CascadeClassifier(r'/home/liuyu/PycharmProjects/faceRecognition-maste

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