creating .mat file

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FIR
FIR 2011-10-7
评论： Walter Roberson 2017-10-28
Sir I have 15 images ,I want to create .mat file so that i can load these images easily,please tell how to create .mat file

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Wayne King
Wayne King 2011-10-7
1.) If the images are the same size you can put them in an array and save that. If different, use a cell array.
2.) You can use matfile() to create a writable .mat file, save data into it, and then load that.
matobj = matfile('c:\data\mymat','Writable',true);
matobj.image1 = randn(256,256);
matobj.image2 = randn(256,256);
loadimage1 = matobj.image1;
% or
load('mymat.mat','image1');
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Image Analyst
Image Analyst 2011-10-7
Single image how? Tiled, like with the montage() function? Or stacked into a volumetric 3D image like with cat(3, .....)?
FIR
FIR 2011-10-7
sir ,it is stacking of an 15 slices image into one,is it possible

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Wayne King
Wayne King 2011-10-7
Yes, you can create an image volume. Create a 3-D array and place the images in that array.
X = zeros(256,256,15);
X(:,:,1) = image1;
X(:,:,2) = image2;
and so on
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Zoe
Zoe 2017-10-28
Hi Wayne, is there a way to do it in a loop?? I have around 400 hundred matrices in my workspace and I want to store them in a 3d array. Thank you.

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