1. Bay H, Tuytelaars T, Van Gool L (2006) Speeded-up robust features (SURF). Springer 3951:404–417
2. Bishop CM (2006) Pattern recognition and machine learning. Springer, pp 1–4
3. Sivic J, Zisserman A (2003) Video Google: a text retrieval approach to object matching in videos. Citeseer 2:1470–1477
4. Nister D, Stewenius H (2006) Scalable recognition with a vocabulary tree. Citeseer 5