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All publications by Hirotaka Hachiya
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Squared-loss Mutual Information Regularization: A Novel Information-theoretic Approach to Semi-supervised Learning
Gang Niu, Wittawat Jitkrittum, Bo Dai, Hirotaka Hachiya and Masashi Sugiyama
Proceedings of the 30th International Conference on Machine Learning (ICML-13), 2013


Artist Agent: A Reinforcement Learning Approach to Automatic Stroke Generation in Oriental Ink Painting
Ning Xie, Hirotaka Hachiya and Masashi Sugiyama
Proceedings of the 29th International Conference on Machine Learning (ICML-12), 2012


Relative Density-Ratio Estimation for Robust Distribution Comparison
Makoto Yamada, Taiji Suzuki, Takafumi Kanamori, Hirotaka Hachiya and Masashi Sugiyama
Advances in Neural Information Processing Systems 24, 2011


Analysis and Improvement of Policy Gradient Estimation
Tingting Zhao, Hirotaka Hachiya, Gang Niu and Masashi Sugiyama
Advances in Neural Information Processing Systems 24, 2011


On Information-Maximization Clustering: Tuning Parameter Selection and Analytic Solution
Masashi Sugiyama, Makoto Yamada, Manabu Kimura and Hirotaka Hachiya
Proceedings of the 28th International Conference on Machine Learning (ICML-11), 2011


Nonparametric Return Distribution Approximation for Reinforcement Learning
Tetsuro Morimura, Masashi Sugiyama, Hisashi Kashima, Hirotaka Hachiya and Toshiyuki Tanaka
Proceedings of the 27th International Conference on Machine Learning (ICML-10), 2010


Conditional Density Estimation via Least-Squares Density Ratio Estimation
Masashi Sugiyama, Ichiro Takeuchi, Taiji Suzuki, Takafumi Kanamori, Hirotaka Hachiya and Daisuke Okanohara
Proceedings of the Thirteenth International Conference on Artificial Intelligence and Statistics (AISTATS-10), 2010