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How to read images from one directory into variables using loop?

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Md Farhad Mokter
Md Farhad Mokter 2019 年 5 月 27 日
Commented: Rik 2019 年 5 月 28 日
I am new in Matlab. I want to read all images from a directory and store each of them into separate variables. For example, if there are 225 images then i should have 225 variables, each of them containing pixel values of corresponding image, no matter same name as image or different.

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Image Analyst
Image Analyst 2019 年 5 月 28 日
See the FAQ for explanation and code samples: The FAQ

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Rik
Rik 2019 年 5 月 27 日
You don't want numbered variables. Try a cell array instead. That way you can much more easily loop through your images to do the further processing.

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Rik
Rik 2019 年 5 月 28 日
There is no reason to store your images in separate variables. Why do you think you need that?
Md Farhad Mokter
Md Farhad Mokter 2019 年 5 月 28 日
I need the ratio of black pixels to other pixels for every image, so I am trying to store all the black pixels of each image into a separate variable.
Rik
Rik 2019 年 5 月 28 日
You are much better off just processing the images in a loop without storing the intermediate steps. You could also consider a struct array with a field for the file name and a field with the property of interest (and you could even add a field with the image itself).

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