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Has anybody measured/found some accuracy tests for the face detection functions in Android SDK?

By example, what percent of a random image database can it correctly recognize? How does it handle difficult scenarios like noise, partially ocluded faces or poor lighting conditions?

I am interested in facts and/or relevant statistics, not just opinions.

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closed as too localized by Izzy, Liam W, Bryan Denny Dec 19 '12 at 14:57

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Good question. Brute-forcing came to my mind. I'm not sure if your question relates to that, but it's worth noting that brute-forcing face detection would be a very, very slow process. I think it takes about 25/30 frames, or almost one second, to match a face. – Matt Jul 19 '12 at 20:48