k-means algorithm for construct vocabulary for bag of words

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hamed abdulaziz
hamed abdulaziz 2014-3-10
回答： Dima Lisin 2014-11-20
Hi All,
I have medical images and I need to classify them to normal and abnomal using bag of words model where I divided each image to patches(blocks) and extracted local features from each patch,my question how can I use k-means algorithm to constrcut visual words vocabulary,could any one provide me matlab code for this job,and thanks in advance.

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Dima Lisin
Dima Lisin 2014-11-20
There is now support for image classification using the bag of words model in the Computer Vision System Toolbox. See this example.

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