Image Processing Toolbox Problems

Hi

I have been having problems with using the imshow function, and other functions related to the image processing toolbox. I've been getting messages like these when I try to use them:

??? Undefined function or variable 'implay'.

??? Undefined function or variable 'imtool'.

or

??? Undefined function or method 'imshow' for input arguments of type 'uint8'.

I'm pretty sure I have the image toolbox installed because when i check the version this shows up in the list:

Image Processing Toolbox Version 7.2 (R2011a)

So if anyone could provide any help I would really appreciate it as this is kind of an urgent matter.

Thanks.

Answer 1

[Wayne King]

Hi Brandon, Can you use any of the functions in Image? If not, are you working in a networked configuration where you have to checkout licenses?

What does:

license('test','image_toolbox')

return?

If that returns a 1, then perhaps try

    addpath(genpath([matlabroot '\toolbox\images\']))
    savepath

If you are in a networked configuration, check with your local MATLAB administrator. If you have a standalone installation and the above suggestion does not work, do contact MathWorks, they will help you.

[Brandon Slattery]

When I try that it returns 0, so I'm guessing this is because I have to borrow a license from my university. I believe I have found a work around by using the basic Matlab functions, because I'm just trying to get this project done involving warps and morphs. I kind of procrastinated a bit so I won't really have the opportunity to talk to my administrator. Thank you for helping me understand why I am having this problem. I must say though that it is kind of silly the way the license system works for addons.

[Dipjyoti Narzari]

It though gave 1 as the ans in my part ... And also I did the next two steps. . But what should I do now ???

[Aboozar S]

for me it gave 1 for license and after adding and saving the path it still gives me the same error, what should I do?

I'm on linux and have R2024a, my problem was with imguassfilt function

the error is: undefined function 'imguassfilt' for input arguments of type 'string'\'double'

the code line is: A=imguassfilt(B,5,FilterDomain='spatial')

B is a 200x180 double

[DGM]

I'm not the one to ask to troubleshoot messed up installations, but if the rest of IPT works, this is equivalent:

% given this parameter
sigma = 5;

% this is the same
A = imgaussfilt(inpict,sigma);

% as this
fk = fspecial('gaussian',2*ceil(2*sigma)+1,sigma);
B = imfilter(inpict,fk,'replicate');

... but if the rest of IPT is somehow not on the path, that won't help either.