Problem with images loading

[olga_kruglova]

Hi everybody,

I am very new to octave and programming. So, I need to write a program to
subtract images from each other. I was reading different advices and wrote
some routine but it keeps giving me an error and I can't see why it happens.
If somebody would point out what is wrong and where I should correct I would
be very grateful. So, here is the routine:

filePaths =dir( 'E:\data\EHD_flow\Particle_1µm6µl\01m_nacl_4v_100hz\*.tif');
fileNames = {filePaths.name};
numberOfImageFiles = numel(fileNames);
rows=2;
columns=2;

subtractedSequence = zeros(rows, columns, numberOfImageFiles-1, 1);
for i = 1 : numberOfImageFiles
        priorImage{i} = imread(fileNames{i});
        currentImage{i+1} = imread(fileNames(i+1));
        subtractedSequence(:,:, i-1, :) = currentImage - priorImage;
        priorImage = currentImage;
        outputFileName = sprintf('Subtraction.tif',i);
                           imwrite(subtractedSequence, outputFileName ); 
        end
And here is error I get:

>>>error: imread: cannot find 0000001.tif
error: called from:
error:   C:\Octave\3.2.4_gcc-4.4.0\share\octave\3.2.4\m\image\imread.m at
line 
53, column 5
error:   Images.m at line 10, column 17
 Thank you very much in advance!!!

Olga

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