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iam unable to call function in for loop?

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barath V
barath V on 6 Feb 2020
Commented: barath V on 6 Feb 2020
this is the error iam getting
The file name or URL argument must be a character vector or string scalar.
Error in imread (line 342)
[source, fmt_s, extraArgs, was_cached_fmt_used] = parse_inputs(cached_fmt, varargin{:});
im = double(imread(image))
clc;
clear all;
D = 'C:\Users\PRL\Desktop\barathfocus\for-matlab-testonly';
S = dir(fullfile(D,'*.tif')); % pattern to match filenames.
for k = 1:numel(S)
F = fullfile(D,S(k).name);
I = double(imread(F));
a = bodekke(I);
end
function[addition] = bodekke(image)
im = double(imread(image))
bd = [-1 0 1]
cbd = conv2(im,bd)
squaredcbd = cbd.^2
addition = sum(squaredcbd(:))
imshow(cbd)
end
  2 Comments
barath V
barath V on 6 Feb 2020
yes,is working thanks bhaskar.
but i dont understand why it works.
i have passed the image to variable I.
and i call the function with image I it should work.
why it is working if i call by using its name

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Accepted Answer

Shunichi Kusano
Shunichi Kusano on 6 Feb 2020
The argument for imread must be file location. "image" in the function is an array.
HTH
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