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Topic: Scalable recognition with a vocabulary tree
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Anton Escobedo  9
09-28-2006 01:38 PM ET (US)
I'm not sure I completely understand how entropy works, but why is it better to "use entropy relative to the root of the tree and ignore dependencies within the path" than to assign entropy relative to the parent node, even though assigning entropy based on the node above seems more intuitively correct?
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