kmeans image segmentation

Application of kmeans clustering algorithm to segment a grey scale image on diferent classes.

Description

This program gets an image and the desidered number of partitions and finds the means of the different classes and provides a clasified image
(mask).

• MATLAB release: MATLAB 6.5.1 (R13SP1)

[Ramir Sokurka]

Excellent!

[Bashar Nusir]

 

[Stanley Zietz]

Excellent. Works well.

[Xin Huang]

K-means is a classic un-supervised classification algorithm. In your code, is there new ideas about k-means? And can you compare the k-means,ISODATA,SOM mathods?

[Jean-Paul Kouma]

Very good and fast!

[Davor Conejo]

Just Perfect. Very fast and great code.

[kosala jayakody]

 

[cool coolleen]

i m doing my final year project of mini portions segmentation method in face recognition using matlab. may i know how to put my cropped small portions of the face into matrix (eg: 6x9 matrix, where 6 refer to number of photos, n 9 refer to the number of small portions). by the way, i also would like to know how can i compare the matrix column by column in order to get the eigenvalues. n i m new to matlab, so i hope u will help me to clear my doubts. if u have to source code, pls send a copy to me. thanks and really appreciate for your help. Hope can hear from u soon.

[Raj Pai Panandiker]

 

[Milind Potdar]

 

[mohammad sadeghzadeh]

 

[Elena Cher]

workes good

[Mikel Rodriguez (www.cs.ucf.edu/~mikel)]

No errors, well done. For some applications you might want to use Jose Vicente Manjon-Herrera's EM image segmentation implementation though.

[oscar forero]

 

[John Thebridge]

 

[Yurniar Supanggi]

Good work, this code very useful for me, but I need method hierarchical clustering for image..., Any idea for me?

[Volker E.]

 

[smiled fisher]

 

[AYEB YAKOUB]

this function works only for integer values of gray level, not for double

[Santhosh Kumar]

I need a help from u to solve a paper in image processing

[manoj kumar]

helpful

[Adrian López]

 

[Gustavo Meschino]

Very fast implementation!
It would be great if it is improved to enter more than one input image.

[Chris Yang]

please help me, how to use this code

[Ghassan alyami]

 

[fd fdafd]

good

[mcasarah tucker]

 

[Abirami Balasubramaniyan]

good

[Patirniche Dinu]

 

[kiruba mani]

im doing my final year project in image segmentation based on MRF with ANT COLONY SYSTEM,i dont have any idea ab't that,can u help me,my first module is k-means,can u explain k-mans in depth.

[ASHWINI SAPKAL]

I want to apply kmeans for landsat images pls help me for dat

[hbu ]

it is very beauteful,excellent!

[Assaf Zaritsky]

Small bug at line#73, should be:
c=abs(copy(i,j)-mi-mu);
instead of:
c=abs(copy(i,j)-mu); % (mi missing)

Also, performance can be quite improved

[Tai Fei]

Dank!

[Aditya Gupta]

Thanks, works good.

[Bhanu]

Please help me how to execute this code in matlab

[Bhanu]

Please tell how to execute this code

[TRAN VietDung]

nice !

[Airballman]

Works fine, thanks!

A bit long when used on high resolution images. But I guess it comes from the kmeans methods itself :)

[Seena Ghazi]

trabajo bién

[Liu Zhidan]

good

[Nitin Kumar]

 

[Mahmoud Shehadeh]

 

[spectral]

anyone can help me..why i didn't successfully execute the results..
i'm using the jpeg image.tq

[Mahmoud Shehadeh]

sorry that was not the right code :)

[spectral]

'Mahmoud'..do you have the corrected code

[Mahmoud Shehadeh]

I'm gonna send you an email.

[spectral]

>Mahmoud Shehadeh I'm gonna send you an email.

k..tq..does it works on the grayscale image..
 

[sanny]

mahmoud can yo send me the right code?

[Rekha G R]

 

[Ömer KAYA]

there is a problem if there is a total range of grey levels in the image then it is going to be a kind of problem with the solution.

The ımage is complete white?

What shall we do/do not about it?

Nice code...

[Anna]

Can you pls tell me for which k=? did you obtain the result from the image?

[Vinkle kumar]

good one..

[osunmbs unduo]

 

[Ahmed]

 

[ops OPS]

i don't how its work with image !! do u have GUI ?

[David Smith]

 

[David Smith]

Doesn't work for me. Tried to run it on the Shepp-Logan phantom:

>> [u,m]=kmeans(phantom(128),4);

??? Attempted to access h(1.2); index must be a positive integer or logical.

Error in ==> kmeans at 35
  if(ima(i)>0) h(ima(i))=h(ima(i))+1;end;

[Saleh]

The segmented image should be multi colors, based on number of clusters. But I have mask with only one color "always red", Why? I need the segmented image
Help me please...

[Vipul]

 

[lbrce]

xddfd