how to define 'getsnapshot' for input arguments of type 'vision.Vi​deoFileRea​der'?

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Fitroh Amaluddin
Fitroh Amaluddin 2014-8-20
回答： michael nabil 2018-1-11
vobj = vision.VideoFileReader(filename, 'ImageColorSpace', 'RGB');
v = getsnapshot(vobj);
and then i got this message :
Undefined function 'getsnapshot' for
input arguments of type
'vision.VideoFileReader'.
how to define that 'getsnapshot' for input argument of type 'vision.videofilereader'?

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回答（2 个）

Dima Lisin
Dima Lisin 2014-9-4
Use this:
v = step(vobj)
The vision.VideoFileReader object does not have a getsnapshot method. Instead, you can read the next video frame using the step method.
michael nabil
michael nabil 2018-1-11
try using snapshot instead of getsnapshot it worked with me

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