How to use multiple USB webcam in Matlab
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I can't preview 3 figure webcam same time in matlab. Can you help me?
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/157715/image.jpeg)
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Walter Roberson
2016년 3월 14일
Is the problem using 3 webcams, or is the problem with the 4th device specifically? If you only use
D = videoinput('winvideo', 4);
preview(D)
then is it able to preview it?
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Wenyin Wei
2019년 7월 7일
편집: Wenyin Wei
2019년 7월 7일
Hello Trung,
I also met the problem and fixed it by making the cameras use different ports rather than sharing the same port.
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Help Center 및 File Exchange에서 MATLAB Support Package for IP Cameras에 대해 자세히 알아보기
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