How to use DoG Pyramid in SIFT

Posted by Ahmet Keskin on Stack Overflow See other posts from Stack Overflow or by Ahmet Keskin
Published on 2010-04-24T14:45:13Z Indexed on 2010/04/24 14:53 UTC
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sift

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image-processing

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pattern-recognition

Hi all, I am very new in image processing and pattern recognition. I am trying to implement SIFT algorithm where I am able to create the DoG pyramid and identify the local maximum or minimum in each octave. What I don't understand is that how to use these local max/min in each octave. How do I combine these points?

My question may sound very trivial. I have read Lowe's paper, but could not really understand what he did after he built the DoG pyramid. Any help is appreciated.

Thank you

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