How to Resize Images in ImageDatastore

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Wazzer
Wazzer 2018-2-17
评论： kawtar oba 2020-3-2
I'm trying to resize several images from a file folder that I put into an ImageDatastore. The example code on Mathworks is the following:
imds.ReadFcn = @(loc)imresize(imread(loc),inputSize);
What is meant by loc? I assumed location but I'm getting errors. Or does this mean I need to make my own function and then call it in my script? Thank you.
https://www.mathworks.com/help/nnet/ug/preprocess-images-for-deep-learning.html#mw_415221ea-4a60-40b2-81bf-281f41ebd2be

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回答（1 个）

Niwin Anto
Niwin Anto 2018-2-20
'loc' is not the location, it is just a dummy parameter. To resize images in an ImageDatastore, assign a new read function to the ReadFcn property.
inputSize = [227 227];
imds.ReadFcn = @(loc)imresize(imread(loc),inputSize);
imshow(preview(imds));

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