Setting up a loop: Round 1

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Frank
Frank 2011-5-18
Hello!
I've narrowed down what I want this script to do, but I want it to loop through every specified image in a folder through a multiple select with "uiget" and then deposit the looped images into a different folder. However, I don't know how to set it up for a loop. Can anyone help?
  • I'm using the first image as a reference to the other images, so the loop function would run through the second image.
Thanks!
-Frank
Code:
%First Image
i = imread('343b #10000.tif');
j = size(i);
imtool(i);
for k = 1:j(1)
for l = 1:j(2)
if i(k,l) > 160 & i(k,l) > 160
d(k,l) = 1;
else
d(k,l) = 0;
end
end
end
imtool(d);
labela = bwlabel(d);
imagesc(labela);
[labela,num] = bwlabel(d,4);
stats = regionprops(labela,'basic');
stats(1).Area
stats(1).Centroid
max_area = max([stats.Area]);
biggrain = find([stats.Area]== max_area);
p = stats(biggrain).Centroid
%Second Image
z = uigetfile('*tif') %select a file for displacement
a = imread(z); %reads the selected file
b = size(a); %gauges the size of the selected file
imtool(a);
for c = 1:b(1)
for l = 1:b(2)
if a(c,l) > 160 & a(c,l) > 160
e(c,l) = 1;
else
e(c,l) = 0;
end
end
end
imtool(e);
labelb = bwlabel(e);
imagesc(labelb);
[labelb,num] = bwlabel(e,4);
stats = regionprops(labelb,'basic');
stats(1).Area
stats(1).Centroid
max_area = max([stats.Area]);
biggrain = find([stats.Area]== max_area);
o = stats(biggrain).Centroid
%Calculates the differences in the centroid
displacement = p -o %Calculates the difference in centroids
x = displacement(1); %Places x value from displacement into x
%%IM Translate
a2 = imtranslate(a, [0 x]); %Note: [y x] for imtranslate, if it's negative make it positive
imshow(a2)
imwrite(a2, z, 'tif')

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采纳的回答

Andrew Newell
Andrew Newell 2011-5-18
You could set up a loop like this:
%Second Image
z = uigetfile('*tif'); %select a file for displacement
while ~isequal(z,0) %if no file is selected, uigetfile returns 0
% process the image here
o = stats(biggrain).Centroid;
z = uigetfile('*tif');
end

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