MATLAB: Imbinarize…Undefined function

Image Processing Toolboximbinarizethresholdundefined function

By using MATLAB R2013a.

I am the beginners and forgive me if question is not narrated in well. The Matlab shows " Undefined function 'imbinarize' for input arguments of type 'uint8'" for the following [ imbinarize(I)]

 I= imread('cameraman.tif');
>> imshow (I)
>> imbinarize(I)
Undefined function 'imbinarize' for input arguments of type 'uint8'.
Thanks for support

Best Answer

You can search for "Matlab imbinarize" in the net to find out, that this function belongs to the Image Processing Toolbox. Use the ver command to find out, if you have it installed and a licence for it.

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See my Image Segmentation Tutorial where I demonstrate that: http://www.mathworks.com/matlabcentral/fileexchange/25157-image-segmentation-tutorial---blobsdemo--

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Use imerode.

From Matlab documentation:

IM2 = imerode(IM,SE) erodes the grayscale, binary, or packed binary image IM, returning the eroded image IM2. The argument SE is a structuring element object or array of structuring element objects returned by the strel function.

Example:

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originalBW = imread('circles.png');  
se = strel('disk',11);        
erodedBW = imerode(originalBW,se);
imshow(originalBW), figure, imshow(erodedBW)

Best Answer

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