1. Distinctive image features from scale-invariant keypoints;Lowe;International Journal of Computer Vision,2004
2. A Bayesian hierarchical model for learning natural scene categories;Fei-Fei,2005
3. Discovering object categories in image collections;Sivic,2005
4. Describing visual scenes using transformed objects and parts;Sudderth;International Journal of Computer Vision,2005
5. A coarse-to-fine taxonomy of constellations for fast multi-class object detection;Fidler,2010