环境
Jetson Orin Nano 8G
ubuntu 20.04
usb摄像头
安装cv库
pip3 install opencv-contrib-python
检查usb摄像头是否被识别到
jetson@ubuntu:~$ lsusb
Bus 002 Device 002: ID 0bda:0489 Realtek Semiconductor Corp. 4-Port USB 3.0 Hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 13d3:3549 IMC Networks Bluetooth Radio
Bus 001 Device 004: ID 046d:082d Logitech, Inc. HD Pro Webcam C920
Bus 001 Device 002: ID 0bda:5489 Realtek Semiconductor Corp. 4-Port USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
或者
jetson@ubuntu:~$ ls /dev/video*
/dev/video0 /dev/video1
测试代码
import cv2
cap = cv2.VideoCapture(0)
if not cap.isOpened():
print("Cannot open camera")
exit()
while True:
ret, frame = cap.read()
if not ret:
print("no stream!")
break
cv2.imshow('frame', frame)
if cv2.waitKey(1) == ord('q'):
break
cap.release()
cv2.destroyAllWindows()
效果
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Jetson Orin Nano 使用OpenCV调用USB摄像头文章来源地址https://www.toymoban.com/news/detail-813183.html
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