how can make a dataset of images?

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jack nn
jack nn am 14 Jun. 2015
Kommentiert: Walter Roberson am 18 Feb. 2017
I provided a code that gets an initial image as input and gives me 4 images as result. I should run this code as loop that user enters an initial images. in this loop every time I should save all the results because I want to make a dataset of these images and then do feature extraction. how can I do this? Can I use structure for this? I think that we can imagine every image as a matrix but I don't how we can do this .I think I should have a dataset of images like this:
but I dont know how can make this.do you think this idea is rational?or I should change my approach.
I appreciate your helps and supports in advanced.

Akzeptierte Antwort

Walter Roberson
Walter Roberson am 14 Jun. 2015
A struct is fine.
datastruct = struct('IMG1', [], 'IMG2', [], 'IMG3', [], 'IMG4', []);
while true
[filename, pathstr] = uigetfile('Select an image');
if ~ischar(filename) %user canceled
break;
end
fullname = fullfile(pathstr, filename); %it might not be in current directory
... process file named by fullname
datastruct(end+1).IMG1 = image1;
datastruct(end).IMG2 = image2;
datastruct(end).IMG3 = image3;
datastruct(end).IMG4 = image4;
end

Weitere Antworten (2)

Image Analyst
Image Analyst am 15 Jun. 2015
Why can't you do feature extraction immediately after you create them, and not worry about saving these intermediate images? Why do you have to save them all? If, for some reason you do, then I'd just save them in .mat files until you need them at some later time.
  7 Kommentare
Bheki Ngobe
Bheki Ngobe am 14 Dez. 2015
Hi
I am trying out this code, but how I tell matlab the location of my images ? (I am them stored in a folder). Thanks in advance
Image Analyst
Image Analyst am 14 Dez. 2015
Alternatively, see this to get up to speed quickly with a nice GUI: http://www.mathworks.com/matlabcentral/fileexchange/24224-magic-matlab-generic-imaging-component

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mukul jain
mukul jain am 18 Feb. 2017
algorithm for identifying near surface/sub surface targets using hyperspectral image through Matlab. please guide me

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