1. Imagenet: a large-scale hierarchical image database;Deng,2009
2. Nearest-neighbor classification using unlabeled data for real world image application;Wang,2010
3. Image classification by non-negative sparse coding, low-rank and sparse decomposition;Zhang,2011
4. Low-rank sparse coding for image classification;Zhang,2013
5. Very deep convolutional networks for large-scale image recognition;Simonyan,2015