@article{Hyunha NAM20152014EDP7335, title={Direct Density Ratio Estimation with Convolutional Neural Networks with Application in Outlier Detection}, author={Hyunha NAM and Masashi SUGIYAMA}, journal={IEICE Transactions on Information and Systems}, volume={E98.D}, number={5}, pages={1073-1079}, year={2015}, doi={10.1587/transinf.2014EDP7335} }