How can I run the same code for all my images?

Now I have my codes to run for a single image, but I have more than 1000 images.

The problem is how can I write a code to make all the images run the codes I wrote and get more than 1000 results.

Thank you very much. The codes below is what i have done and it can be run for a single image, and i attached my original and result image.

% read and shows the image
X= imread('1.tif');
 imshow(X)

% segment image into three levels using two thresholds
% calculate two threshold levels
thresh = multithresh(X,2);
% Segment the image into three levels using imquantize
seg_X = imquantize(X,thresh);
% Convert segmented image into color image using label2rgb and display it
RGB = label2rgb(seg_X);
imshow(RGB)

%low pass filter the image to make it blurred
h = ones(5,5) / 25;
a = imfilter(RGB,h);
imshow(a)

% Convert the image to black and white 
 I = rgb2gray(a);
threshold = graythresh(I);
bw = im2bw(I,threshold);
imshow(bw)

% remove all object containing fewer than 5000 pixels
b = bwareaopen(bw,5000);
imshow(b)

% remove all object containing fewer than 1000 pixels
e = bwareaopen(~b,1000);
imshow(e)

% filter the extra part except the droplet
se = strel('disk',14);
f = imopen(e,se);
imshow(f,[])

%calculate the max width and max height of the droplet
%max width is the length of the droplet
%max height is the inner diameter of the tube
[w,h]=size(~f);        
w_max=0;h_max=0;
for k=1:w
  mx=h-sum(~f(k,:));    
  w_max=max([w_max mx]);   
end
for k=1:h
  mx=w-sum(~f(:,k));
  h_max=max([h_max mx]);
end
disp('   width height');
disp([w_max h_max]);

x = (w_max*100)/h_max;
disp(' The length of droplet')
disp( x );

[Geoff Hayes]

Ge - what are you doing with the results? Saving them to another file (is this your f?) or just displaying x

 The length of droplet ..

Are all of your files in the same directory, and what is the naming convention for each file? Is it 1.tif, 2.tif,...*999.tif*, 1000.tif?

[Ge]

hello Geoff, i want to use results of the length of droplet to plot a graph, so for each image i have a result of length. all my files are in the same directory. yes the naming convention is like 1.tif,2.tif.....

thank you

[Geoff Hayes]

See the answer from Image Analyst on how to read/process a sequence of files. You can adapt that for your code. And since you are recording the length of the droplets, just define an array outside of your loop (that which will read the files) and populate that array on each iteration

 dropletLengths = zeros(1000,1);
 for k=1:10000
     % load image

     % process image (code from above)

     % save droplet length
     dropletLengths(k) = x;
 end

 % now plot the droplet lengths

[Image Analyst]

And while you're at it, try to pick descriptive variable names, like Geoff and I do. It's hard to follow your code when you have an alphabet soup of one and two letter variable names - you don't instantly know what they are or what they mean or represent.

Answer 1

[Image Analyst]

See the FAQ for code samples: http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F