how can make a dataset of images?
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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.
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Walter Roberson
2015년 6월 14일
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
추가 답변 (2개)
Image Analyst
2015년 6월 15일
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.
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Bheki Ngobe
2015년 12월 14일
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
2015년 12월 14일
Bheki, see the second code chunk in the FAQ: http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F
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
mukul jain
2017년 2월 18일
algorithm for identifying near surface/sub surface targets using hyperspectral image through Matlab. please guide me
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Walter Roberson
2017년 2월 18일
Please create a new Question for that topic; it has nothing to do with this Question.
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