How to solve the error Undefined function or variable 'augmented​ImageDatas​tore'?

2018 3 16
6 个回答
更新时间：2019 11 16
6 次查看（30 天）

1 个投票

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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回答（6 个）

Walter Roberson
Walter Roberson 2018-3-16

0 个投票

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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leyue wang
leyue wang 2018-3-22
I am using R2017b while I have the same problem using augmentedImageDatastore
Dikshant Bisht
Dikshant Bisht 2018-3-28
I'm also having same problem using augmentedImageDatastore, when looking into add-on explorer it is showing installed but still i can't use it
Shamim
Shamim 2018-4-2
编辑：Shamim 2018-4-2
try 'augmentedImageSource()' instead of 'augmentedImageDatastore()'
Upeka Somaratne
Upeka Somaratne 2018-4-5
'augmentedImageSource()' works but matlab (R2017b)is crashing..

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Sachin Dalvi
Sachin Dalvi 2018-4-9

0 个投票

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 ?
Stu
Stu 2018-4-9

0 个投票

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

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Walter Roberson
Walter Roberson 2019-11-16
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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