A question regarding creation of .mat file

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Ampi
Ampi 2013 年 3 月 4 日
Hello,
I have a question. Say I have 5 images and I have extracted the feature vectors for each of them. Now i want save all the feature vectors in a single .mat file.I have written the following code. I want to know if the code is ok or not?
img = rgb2gray(imread('E:\1.jpeg'));
[r,c]= size(img);
h = NaN(r,c,5); %pre-allocate memory
h(:,:,1) = img;
for k=1:3
h(:,:,k) = rgb2gray(imread(sprintf('%d.jpeg',k)));
end
save h.mat

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回答 (1 件)

Jan
Jan 2013 年 3 月 4 日
You do not want to save all local variables, so I assume this is better:
save h.mat h

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