How can i resolve this error?

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clc; % Clear the command window.
close all; % Close all figures (except those of imtool.)
clear; % Erase all existing variables.
% workspace; % Make sure the workspace panel is showing.
fontSize = 22;
%Load single MRI image
I = imread('blood.jpg');
% addition of graininess (i.e. noise)
I_noise = imnoise(I, 'gaussian', 0.09);
% the average of 3^2, or 9 values(filters the multidimensional array A with the multidimensional filter h)
h = ones(3,3) / 3^2;
I2 = wiener2(I_noise,h);
% Measure signal-to-noise ratio
img=I;
img=double(img(:));
ima=max(img(:));
imi=min(img(:));
mse=std(img(:));
snr=20*log10((ima-imi)./mse)
% Measure Peak SNR
[peaksnr, snr] = psnr(I_noise, I);
fprintf('\n The Peak-SNR value is %0.4f', peaksnr);
fprintf('\n The SNR value is %0.4f \n', snr);
fprintf('\n The MSE value is %0.4f \n', mse);
%Plot original & filtered figure
subplot(1,2,1), imshow(I_noise), title('Original image')
subplot(1,2,2), imshow(I2), title('Filtered image')
text(size(I,2),size(I,1)+15, ...
'Gaussian = 0.09', ...
'FontSize',10,'HorizontalAlignment','right');
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%Error occured:%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Error in wiener2 (line 38) [g, nhood, noise] = ParseInputs(varargin{:});
Error in ps (line 12) I2 = wiener2(I_noise,h);
  1 个评论
KALYAN ACHARJYA
KALYAN ACHARJYA 2018-9-15
编辑:KALYAN ACHARJYA 2018-9-15
Have you resolved it?Where is the error? Can you share?

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采纳的回答

ahmed nebli
ahmed nebli 2018-9-15
u need to go back to wiener2 function and see how much variable u need, i think you forgot a variable

更多回答(1 个)

KALYAN ACHARJYA
KALYAN ACHARJYA 2018-9-15
编辑:KALYAN ACHARJYA 2018-9-15
% Have you check here the format of Wiener filter
I2=wiener2(image,[m n]);
% Here [m n] specifies the size (m-by-n) of the neighborhood used to estimate the local image mean and standard deviation.
Here you h is
2nd Case: Covert the blood.jpg to gray, then do the rest of operations
  3 个评论
Syed Zenith Rhyhan
Syed Zenith Rhyhan 2018-9-15
Thanks a lot sir for your feedback.Now the program working correctly.

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