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Steve Hanov

stevehanov.ca

I know how to make and sell software online, and I can share my tips with you.

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Visit stevehanov.ca → RSS feedOn Hacker News Aug 2009 – Apr 2026

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4

VP trees: A data structure for finding stuff fast

<img src="http://stevehanov.ca/wavelet/cup.png"/> Let's say you have millions of pictures of faces tagged with names. Given a new photo, how do you find the name of person that the photo most resembles? <p> In the cases I mentioned, each record has hundreds or thousands of elements: the pixels in a photo, or patterns…