1. R. Al-Rfou, G. Alain, A. Almahairi, C. Angermueller, D. Bahdanau, N. Ballas, F. Bastien, J. Bayer, A. Belikov, A. Belopolsky, et al., Theano: A python framework for fast computation of mathematical expressions, arXiv preprint arXiv:1605.02688 (2016).
2. F. Chollet, Keras: Theano-based deep learning library, Code: https://github.com/fchollet. Documentation: http://keras.io (2015).
3. Histograms of oriented gradients for human detection;Dalal,2005
4. Object detection with discriminatively trained part-based models;Felzenszwalb;IEEE Trans. Pattern Anal. Mach. Intell.,2010
5. Pictorial structures for object recognition;Felzenszwalb;Int. J. Comput. Vis.,2005