Image Processing Toolbox Problems

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divya_shah - 2022-01-06T10:26:29+00:00
Question: 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.

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    • Expert Answer

    Profile picture of Kshitij Singh Kshitij Singh answered . 2025-11-20

    Hi,
     
    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 Matlabsolutions, they will help you.
     


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