Undefined function or variable 'imdiffusefilt' issue

2018 4 7
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更新时间：2018 5 3
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Dear all,
I have problem while I work on my project. The problem is my matlab show " Undefined function or variable 'imdiffusefilt' " when I run my code, I searched on google but I didn't found any answer, can you help me please.
with sensaraly

7 个评论
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Mustafa Jamal
Mustafa Jamal 2018-4-7
https://ch.mathworks.com/help/images/ref/imdiffusefilt.html
I = imread('pout.tif');
noisyImage = imnoise(I,'gaussian',0,0.005);
imshow(noisyImage)
title('Noisy Image')
n = ssim(I,noisyImage);
disp(['The SSIM value of the noisy image is ',num2str(n),'.'])
B = imdiffusefilt(noisyImage);
imshow(B)
title('Anisotropic Diffusion with Default Parameters')
nB = ssim(I,B);
disp(['The SSIM value using default anisotropic diffusion is ',num2str(nB),'.'])
[gradThresh,numIter] =imdiffuseest(noisyImage,'ConductionMethod','quadratic');
C = imdiffusefilt(noisyImage,'ConductionMethod','quadratic', ... 'GradientThreshold',gradThresh,'NumberOfIterations',numIter);
imshow(C)
title('Anisotropic Diffusion with Estimated Parameters')
nC = ssim(I,C);
disp(['The SSIM value using quadratic anisotropic diffusion is ',num2str(nC),'.'])
David Fletcher
David Fletcher 2018-4-7
Do you have the image processing toolbox installed?
David Fletcher
David Fletcher 2018-4-7
Well there you go. Matlab can't find what you haven't got.
Haseeb Hassan
Haseeb Hassan 2018-5-3
You also check your code again , there is some expression error, as
you can see in the attached image.

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