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I must track a person in a scene using a segmentation algorithm. SIFT will do the job but is it definitely considered a segmentation algorithm or something else altogether?

Many thanks.

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SIFT is not a segmentation algorithm. SIFT can be considered and image description method, a keypoint matching algorithm an object recognition method but definitely not a segmentation algorithm.

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I had a feeling this was the case so I avoided SIFT. Thank you :). –  ale Apr 16 '11 at 20:14
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SIFT locates interest points, ie points that have a well defined location in the image. This will often be corners and line ends.

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