How do I change image scale?

2021 7 7
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更新时间：2021 7 7
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I have a image that has the value of 716x716 double and size 716x716. However, I need to scale the image to a size of 128. Can I use the scale function to perform this or is there a different way scaling the image to a size of 128?
whatisit = double(Phantom_3_Defects(:,:,2))/255;
figure
imagesc(whatisit)
I have also attached the workspace file.

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KSSV
KSSV 2021-7-7

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If I is your image:
I1 = imresize(I,[128 128]) ;

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