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. Author manuscript; available in PMC: 2009 Jan 21.
Published in final edited form as: Annu Rev Neurosci. 2008;31:411–437. doi: 10.1146/annurev.neuro.30.051606.094238

Figure 1.

Figure 1

(a) The two most diagnostic features defining a face comprise the first level of the detection cascade in the Viola-Jones algorithm for face detection. From (Viola & Jones 2004). (b) The Sinha algorithm for face detection, showing the “ratio-templates” defining a face. From (Sinha 2002a).

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