Undefined function 'imsegkmeans' for input arguments of type 'uint8'.

>> RGB = imread('013.jpg');

RGB = imresize(RGB,0.5);

imshow(RGB)

L = imsegkmeans(RGB,2);

B = labeloverlay(RGB,L);

imshow(B)

title('Labeled Image');

Warning: Image is too big to fit on screen; displaying at 67%

> In imuitools\private\initSize at 72

In imshow at 283

Undefined function 'imsegkmeans' for input arguments of type 'uint8'.

Answer 1

[Adam Danz]

imsegkmeans accepts uint8 values which means either

1. You don't have the image processing Toolbox, or
2. You are using a MATLAB release prior to R2018b which is when imsegkmeans became available.

To test wether you have image processing toolbox,

license('test','image_toolbox')  % returns 1 if you have the toolbox

To test whether you are using a MATLAB release 18b or later,

~verLessThan('matlab','9.5')  % returns true if using >=18b

[sheroo]

ok thanks

Answer 2

[Steven Lord]

The imsegkmeans function is part of Image Processing Toolbox and was introduced in release R2018b. Do you have this toolbox installed and licensed and are you using release R2018b or later? You can check both of these by running the ver command and looking for a line starting with "Image Processing Toolbox" in the displayed output.

If that line does not exist you will need to install Image Processing Toolbox to use this function.

If that line exists but it lists a release earlier than R2018b then you will need to upgrade your installation to R2018b or later to use this function.

[sheroo]

ok thanks