Import of multiple images, problem with values

Hi there,

I'm very new into Mathlab an programming. What I try to do is to import multiple images into Mathlab, and to calculate the mean value of a ROI.

The good news is, that it works. The bad is that I always get the value of the last image only. It seams to me, that the code calculates the first image's value and overwrites it with the next value and that is why I get the last value only.

My problem is, that I need all values.

Here is my code: +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

clear all

file = dir('C:\Users\Icoo\Documents\MATLAB\iPro\Schwärzung\*.tif'); X = length(file);

for k = 1:X

   % some code is missing here I guess. :)

end

 Image = imread(fullfile('C:\Users\Icoo\Documents\MATLAB\iPro\Schwärzung\', file(k).name));
    Image(:,:,1);             % red channel
    Image(:,:,2)=0;           % green channel
    Image(:,:,3)=0;           % blue channel 
    M = mean(Image(:))*3;     % calculates ROI's mean value

figure, imshow(Image); % shows red channel ROI impixelregion

figure, imshow(M); % shows mean impixelregion

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

I realy hope somebody can help me out. :)

Answer 1

[Image Analyst]

The "code that is missing" is contained in the FAQ: http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F

Use that and post your updated code if you still have trouble. And don't use Image as the name of a variable since image() is a built in function.

[Icoo]

Hi Image Analyst,

I managed to save the data into an array.

Thank you very much for the hint. :D