Sasaki, Hiroaki

15 publications

AISTATS 2022 Mode Estimation on Matrix Manifolds: Convergence and Robustness Hiroaki Sasaki, Jun-Ichiro Hirayama, Takafumi Kanamori

JMLR 2022 Representation Learning for Maximization of MI, Nonlinear ICA and Nonlinear Subspaces with Robust Density Ratio Estimation Hiroaki Sasaki, Takashi Takenouchi

UAI 2020 Robust Contrastive Learning and Nonlinear ICA in the Presence of Outliers Hiroaki Sasaki, Takashi Takenouchi, Ricardo Monti, Aapo Hyvarinen

UAI 2020 Robust Modal Regression with Direct Gradient Approximation of Modal Regression Risk Hiroaki Sasaki, Tomoya Sakai, Takafumi Kanamori

AISTATS 2019 Nonlinear ICA Using Auxiliary Variables and Generalized Contrastive Learning Aapo Hyvarinen, Hiroaki Sasaki, Richard Turner

AISTATS 2017 Estimating Density Ridges by Direct Estimation of Density-Derivative-Ratios Hiroaki Sasaki, Takafumi Kanamori, Masashi Sugiyama

AISTATS 2017 Least-Squares Log-Density Gradient Clustering for Riemannian Manifolds Mina Ashizawa, Hiroaki Sasaki, Tomoya Sakai, Masashi Sugiyama

ACML 2017 Whitening-Free Least-Squares Non-Gaussian Component Analysis Hiroaki Shiino, Hiroaki Sasaki, Gang Niu, Masashi Sugiyama

AISTATS 2016 Non-Gaussian Component Analysis with Log-Density Gradient Estimation Hiroaki Sasaki, Gang Niu, Masashi Sugiyama

AISTATS 2015 Direct Density-Derivative Estimation and Its Application in KL-Divergence Approximation Hiroaki Sasaki, Yung-Kyun Noh, Masashi Sugiyama

ACML 2015 Sufficient Dimension Reduction via Direct Estimation of the Gradients of Logarithmic Conditional Densities Hiroaki Sasaki, Voot Tangkaratt, Masashi Sugiyama

ECML-PKDD 2014 Clustering via Mode Seeking by Direct Estimation of the Gradient of a Log-Density Hiroaki Sasaki, Aapo Hyvärinen, Masashi Sugiyama

AISTATS 2014 Estimating Dependency Structures for Non-Gaussian Components with Linear and Energy Correlations Hiroaki Sasaki, Michael Gutmann, Hayaru Shouno, Aapo Hyvärinen

MLJ 2013 Correlated Topographic Analysis: Estimating an Ordering of Correlated Components Hiroaki Sasaki, Michael Gutmann, Hayaru Shouno, Aapo Hyvärinen

ACML 2012 Topographic Analysis of Correlated Components Hiroaki Sasaki, Michael U. Gutmann, Hayaru Shouno, Aapo Hyvärinen