Save each image loaded by a loop

Question

MF 2016-5-11

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/283733-save-each-image-loaded-by-a-loop

编辑： Adam 2016-5-11

I have 4 bmp images named Target1.bmp ..Target4.bmp and I want to load them using a loop. I am using the following code but it is giving me only the data of the last image. How can i adjust it to load all the 4 images and each one store it as separately. Thx

for k = 1:4

filename = strcat('Target', num2str(k),'.bmp');
TargetImg = imread(filename);

end

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Answer 1

Adam 2016-5-11

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https://ww2.mathworks.cn/matlabcentral/answers/283733-save-each-image-loaded-by-a-loop#answer_221761

编辑：Adam 2016-5-11

在 MATLAB Online 中打开

TargetImgs{k} = imread(filename);

will put them in a cell array. If all your images are the same size and you intend to do further analysis across all images it would be much better to store them in a 3d numeric array where the 3d dimension is, in this case, 4, but a cell array is the more generic approach if you can't guarantee the images are all the same size.

You can presize with e.g.

TargetImgs = cell.empty( 0, 4 );

before the loop if you wish, but I'm not sure it makes any real difference with a cell array of just 4 values.