1. Bay H, Ess A, Tuytelaars T (2008) Speeded up robust features (SURF). Comput Vis Image Underst 110(3):346–359
2. Crow FC (1984) Summed-area tables for texture mapping. ACM SIGGRAPH Computer Graphics
3. Datta R, Joshi D, Li J, Wang JZ (2008) Image retrieval: Ideas, influences, and trends of the new age. ACM Comput Surv CSUR 40:5. doi: 10.1145/1348246.1348248
4. Eigen. http://eigen.tuxfamily.org .
5. Fischler MA, Bolles RC (1981) Random sample consensus: a paradigm for model fitting with applications to image analysis and automated cartography. Commun ACM. doi: 10.1145/358669.358692