1. Abdel-Hakim, A.E., Farag, A.A.: CSIFT: A SIFT descriptor with color invariant characteristics. In: Proc. IEEE Conf. Computer Vision and Pattern Recognition, vol. 2, pp. 1978–1983 (2006)
2. Baumberg, A.: Reliable feature matching across widely separated views. In: IEEE Conf. Computer Vision and Pattern Recognition, vol. 1, pp. 774–781 (2000)
3. Belongie, S., Malik, J., Puzicha, J.: Shape matching and object recognition using shape contexts. IEEE Trans. Pattern Anal. Mach. Intell. 24(4), 509–522 (2002)
4. Blostein, D., Ahuja, N.: A multiscale region detector. Comput. Vis. Graph. Image Process. 45, 22–41 (1989)
5. Bosch, A., Zisserman, A., Muñoz, X.: Scene classification using a hybrid generative/discriminative approach. IEEE Trans. Pattern Anal. Mach. Intell. 30(4), 712–727 (2008)