how can i use imdisp to display images from the folder?

I have code which saves matched images into a folder... how can retrieve images from the folder and display multiple or all images of folder using "imdisp" ...

[MATLAB 7]

Answer 1

[Walter Roberson]

imdisp is a File Exchange contribution which has been replaced by SC

Anyhow: http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F

Be careful if your images are named something img_9.bmp img_10.bmp and so on instead of img_09.bmp img_10.bmp (with fixed number of digits). If you use variable number of digits you will probably want to use https://www.mathworks.com/examples/matlab/community/19425-natsortfiles-examples

[Walter Roberson]

dinfo = dir('*.png');
numfile = length(dinfo);
image_stack = [];
for K = 1 : numfile
   thisfile = dinfo(K).name;
   thisimage = imread(thisfile);
   image_stack(1:size(thisimage,1), 1:size(thisimage,2), :, K) = thisimage;
end

imdisp(image_stack);

[hp]

sir its giving error for my code.. please see this:

listing = dir(strcat(dir_in,'i*.',file_ext));
numfile = length(listing);
>> image_stack = [];
>> for k = 1 : numfile
thisfile = listing(k).name;
thisimage = imread(thisfile);
image_stack(1:size(thisimage,1), 1:size(thisimage,2), :, k) = thisimage;
end
??? Error using ==> imread at 315
File "i1.jpg" does not exist.

[hp]

sorry some lines were missing in the above code:

dir_in = 'C:\Program Files\hemaMATLAB\R2007b\work\capinput\';
  dir_out = 'C:\Program Files\hemaMATLAB\R2007b\work\output\';
  file_ext = 'jpg';

listing = dir(strcat(dir_in,'i*.',file_ext));
numfile = length(listing);
>> image_stack = [];
>> for k = 1 : numfile
thisfile = listing(k).name;
thisimage = imread(thisfile);
image_stack(1:size(thisimage,1), 1:size(thisimage,2), :, k) = thisimage;
end
??? Error using ==> imread at 315
File "i1.jpg" does not exist.

[Guillaume]

Don't use strcat use fullfile instead.

Don't use length use numel instead.

Your error is because you haven't specified the full path of the file in your imread call.

thisimage = imread(fullfile(dir_in, thisfile));