Viola P, Jones M. Robust real-time face detection[J]. International Journal of Computer Vision, 2004,57 (5) : 137 - 154.
[4]
Lowe D. Distinctive image features from scale-invariant key points [J]. International Journal of Computer Vision, 2004,60(2) :91 - 110.
[5]
Lowe, David G, Object recognition from local scale invariant features [ A ]. In:Proceedings of International Conference on Computer Vision [C], Corfu, Greece, 1999:1150-1157.
[6]
Ke Y, Sukthankar R. PCA-SIFT: A more distinctive representation for local image descriptors [ A ]. In: Proceedings of IEEE Conference on Computer Vision and Pattern Recognition [C] , Washington DC, USA, 2004:506 - 513.