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ValueError about video_demo #27

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zuoVision opened this issue Jan 16, 2019 · 5 comments
Open

ValueError about video_demo #27

zuoVision opened this issue Jan 16, 2019 · 5 comments

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@zuoVision
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Hi ! i'm facing the issue when i run video_demo.py ,i'm looking forward you reply, Thanks.

VIDEOIO ERROR: V4L: can't open camera by index 0
Traceback (most recent call last):
File "video_demo.py", line 37, in
raise ValueError("No image!")
ValueError: No image!

@YunYang1994
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can't open camera by index 0 ? there is something wrong with your camera

@brealisty
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@zuoVision do u fix this err? I met this in windows, but linux is ok.

@Dontla
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Dontla commented Aug 30, 2019

Hi, I met an error on windows10, when I ranpython video_demo.py # if use camera, set video_path = 0, when the video demo ran to the end, it came out the errorValueError: No image!, I don't know how to solve it, could you help me?
image

@zuoVision
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zuoVision commented Aug 30, 2019 via email

@UryWu
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UryWu commented Sep 16, 2019

I have the same problem,can somebody past master solve it?

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5 participants