| 2025 | ICASSP | CardioFlow: Learning to Generate ECG from PPG with Rectified Flow. | Yuta Nambu, Masahiro Kohjima, Ryuji Yamamoto |
| 2025 | IJCNN | Personalizing Dialog Policy in Health Guidance via Model-based Multitask Reinforcement Learning. | Taiga Sano, Masahiro Kohjima, Masami Takahashi, Kaori Fujimura, Tae Sato, Yurika Katagiri |
| 2025 | SDM | Meta-learning of Class Knowledge in Zero-shot Learning. | Yuta Nambu, Masahiro Kohjima, Tomoharu Iwata, Ryuji Yamamoto |
| 2024 | AAAI | Shuffled Deep Regression. | Masahiro Kohjima |
| 2024 | HCI | Evaluation of Virtual Audience Synchronized with Cheering Motion of the User's Light Stick During Music Concerts. | Wakana Oshiro, Masahiro Kohjima, Haruno Kataoka, Masanori Yokoyama, Yuta Nambu, Motohiro Makiguchi, Rika Mochizuki, Ryuji Yamamoto |
| 2024 | ICASSP | On The Equivalence Of Dynamic Mode Decomposition And Complex Nonnegative Matrix Factorization. | Masahiro Kohjima |
| 2023 | IJCNN | Latent Neural Phase Model for Synchronization Analysis. | Masahiro Kohjima |
| 2023 | PAKDD | Inverse Problem of Censored Markov Chain: Estimating Markov Chain Parameters from Censored Transition Data. | Masahiro Kohjima, Takeshi Kurashima, Hiroyuki Toda |
| 2022 | ICONIP | General Algorithm for Learning from Grouped Uncoupled Data and Pairwise Comparison Data. | Masahiro Kohjima, Yuta Nambu, Yuki Kurauchi, Ryuji Yamamoto |
| 2022 | ICTIR | Uncoupled Nonnegative Matrix Factorization with Pairwise Comparison Data. | Masahiro Kohjima |
| 2021 | AAAI | Integrated Optimization of Bipartite Matching and Its Stochastic Behavior: New Formulation and Approximation Algorithm via Min-cost Flow Optimization. | Yuya Hikima, Yasunori Akagi, Hideaki Kim, Masahiro Kohjima, Takeshi Kurashima, Hiroyuki Toda |
| 2021 | PRICAI | Price and Time Optimization for Utility-Aware Taxi Dispatching. | Yuya Hikima, Masahiro Kohjima, Yasunori Akagi, Takeshi Kurashima, Hiroyuki Toda |
| 2020 | IJCAI | Learning with Labeled and Unlabeled Multi-Step Transition Data for Recovering Markov Chain from Incomplete Transition Data. | Masahiro Kohjima, Takeshi Kurashima, Hiroyuki Toda |
| 2020 | ICPR | Can Reinforcement Learning Lead to Healthy Life?: Simulation Study Based on User Activity Logs. | Masami Takahashi, Masahiro Kohjima, Takeshi Kurashima, Hiroyuki Toda |
| 2019 | ACML | Exemplar Based Mixture Models with Censored Data. | Masahiro Kohjima, Tatsushi Matsubayashi, Hiroyuki Toda |
| 2019 | ICASSP | Generalized Interval Valued Nonnegative Matrix Factorization. | Masahiro Kohjima, Tatsushi Matsubayashi, Hiroyuki Toda |
| 2018 | PRIMA | Multi Agent Flow Estimation Based on Bayesian Optimization with Time Delay and Low Dimensional Parameter Conversion. | Hiroshi Kiyotake, Masahiro Kohjima, Tatsushi Matsubayashi, Hiroyuki Toda |
| 2017 | FlAIRS | What-If Prediction via Inverse Reinforcement Learning. | Masahiro Kohjima, Tatsushi Matsubayashi, Hiroshi Sawada |
| 2017 | ICANN | Phase Transition Structure of Variational Bayesian Nonnegative Matrix Factorization. | Masahiro Kohjima, Sumio Watanabe |
| 2016 | ICPR | Non-negative multiple matrix factorization with Euclidean and kullback-leibler mixed divergences. | Masahiro Kohjima, Tatsushi Matsubayashi, Hiroshi Sawada |
| 2015 | CIKM | Probabilistic Non-negative Inconsistent-resolution Matrices Factorization. | Masahiro Kohjima, Tatsushi Matsubayashi, Hiroshi Sawada |
| 2015 | IV | Regularity Measure and Influence Weight for Analysis and Visualization of Consumer's Attitude. | Aki Hayashi, Masahiro Kohjima, Tatsushi Matsubayashi, Hiroshi Sawada |