@inproceedings{YaoBradskiFei-Fei_CVPR2012, author = "Bangpeng Yao and Gray Bradski and Li Fei-Fei", title = "A Codebook-Free and Annotation-Free Approach for Fine-Grained Image Categorization", booktitle = "IEEE Conference on Computer Vision and Pattern Recognition (CVPR)", year = "2012", month = "June", address = "Providence, RI, USA" }