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Old 30th April 2012, 01:03   #6  |  Link
Didée
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Join Date: Apr 2002
Location: Germany
Posts: 5,391
Diggin' an old post about phase correlation: <click>

Briefly: Phase correlation tells you that there IS something. But it doesn't tell you WHERE it is.

Practical examples: straight camera panning -> phase correlation works beautifully. Closeup of a bustling anthill -> phase correlation is utterly useless.
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