How to solve the error Undefined function or variable 'augmentedImageDatastore'?
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Hi, I found this error when trying to resize the images in my program that use Alexnet how can I solve it?
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Walter Roberson
on 16 Mar 2018
https://www.mathworks.com/help/nnet/ref/augmentedimagedatastore.html was new in R2017b, whereas alexnet was new in R2017a. If you are using R2017a you would not have augmentedImageDatastore
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Marcelo Dietrich
on 23 Mar 2018
I'm having the same problem... Any suggestions on how to solve it?
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Sachin Dalvi
on 9 Apr 2018
I am getting the same error. I am using matlab 2017b and when I try to resize images as:
newImds = augmentedImageDatastore(outputSize,imds);
I get error as: Undefined function or variable 'augmentedImageDatastore'.
Could somebody please help with any solution on how to solve this ?
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Stu
on 9 Apr 2018
I installed R2018a and augmentedImageDatastore function worked. I think this function was introduced only in R2018a as it says in the last line of the documentation page. https://www.mathworks.com/help/nnet/ref/augmentedimagedatastore.html
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/181153/image.jpeg)
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Walter Roberson
on 16 Nov 2019
mingwei wen: if you are using before R2018a you should probably upgrade. There is a way to construct an image data store in a couple of releases before that, by constructing a data store and setting the options to make it an image data store, but in those older releases not many functions supported those kinds of data stores.
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