Looks Like It - The Hacker Factor Blog
For the last few months, I have had a nearly constant stream of queries asking how TinEye works and, more generally, how to find similar pictures. The truth is, I don't know how the TinEye image search engine works. They don't disclose the specifics of the algorithm(s) that they use. However, based on the type of results it returns, it appears to me to be some variation of a perceptual hash algori
Compressing dictionaries with a DAWG
I know how to make and sell software online, and I can share my tips with you. Email | Twitter | LinkedIn | Comics | All articles Last time, I wrote about how to speed up spell checking using a trie (also known as a prefix tree). However, for large dictionaries, a trie can waste a lot of memory. If you're trying to squeeze an application into a mobile device, every kilobyte counts. Consider this t
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