笔电脑自带摄像头和外接USB摄像头Python+OpenCV测试代码

笔电脑自带摄像头和外接USB摄像头Python+OpenCV测试代码

复制代码到pycharm或其他编辑器运行

import cv2capture = cv2.VideoCapture(0)capture_usb = cv2.VideoCapture(1)# 打开自带的摄像头if capture.isOpened():if capture_usb.isOpened():capture.set(cv2.CAP_PROP_FRAME_WIDTH, 640)capture.set(cv2.CAP_PROP_FRAME_HEIGHT, 480)capture_usb.set(cv2.CAP_PROP_FRAME_WIDTH, 640)capture_usb.set(cv2.CAP_PROP_FRAME_HEIGHT, 480)# 持续读取摄像头数据while True:read_code, frame = capture.read()read_code2, frame2 = capture_usb.read()if not read_code or not read_code2:breakcv2.imshow("screen_title", frame)cv2.imshow("screen_title_usb", frame2)# 输入 q 键，保存当前画面为图片if cv2.waitKey(1) == ord('q'):# 设置图片分辨率frame = cv2.resize(frame, (1920, 1080))cv2.imwrite('pic.jpg', frame)capture_usb.release()break# 释放资源capture.release()cv2.destroyWindow("screen_title")

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