VideoLabeler could not read file; Unable to initialize video properties

Question

Cristoforo Colombo 2023-8-12

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2007697-videolabeler-could-not-read-file-unable-to-initialize-video-properties

回答： Narvik 2023-8-22

Hi - I am trying to use videoLabeler, but I am unable to read the file due to the following error:

>> videoLabeler('right_video.mp4')
Error using groundTruthDataSource/parseAndPopulateInputs
Could not read file due to an unexpected error. Reason: Unable to initialize
the video properties
Error in groundTruthDataSource (line 194)
parseAndPopulateInputs(this, varargin{:});
Error in vision.internal.videoLabeler.videoLabelerInternal
Error in vision.internal.videoLabeler.videoLabelerInternal
Error in videoLabeler (line 101)
vision.internal.videoLabeler.videoLabelerInternal(varargin{:});

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Answer 1

Narvik 2023-8-22

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https://ww2.mathworks.cn/matlabcentral/answers/2007697-videolabeler-could-not-read-file-unable-to-initialize-video-properties#answer_1291147

Hi,

I understand that you faced an issue while using the “videoLabeler” function in MATLAB. This may occur if MATLAB cannot access the appropriate codec properties.

I advise you to follow the instructions provided in the ensuing documentation:

https://in.mathworks.com/help/matlab/import_export/supported-video-file-formats.html?lang=en#mw_4b3385ce-096d-4d3d-9c68-e95fd4d5dc0a

Hope it helps!