| 2012 | ICPR | Time series alignment with Gaussian processes. | Nobuo Suematsu, Akira Hayashi |
| 2012 | ISITA | Performance characteristics of LSB steganalysis based on statistics of image difference signal. | Tadakazu Sakakura, Akira Hayashi |
| 2010 | ISITA | On the critical density associated with the matrix type knapsack cryptosystem. | Akira Hayashi |
| 2010 | ISITA | A simple detection scheme of LSB steganography based on statistics of image difference signal. | Tadakazu Sakakura, Akira Hayashi |
| 2008 | ICONIP | Sampling Curve Images to Find Similarities among Parts of Images. | Kazunori Iwata, Akira Hayashi |
| 2008 | ICONIP | Sports Video Segmentation Using a Hierarchical Hidden CRF. | Hirotaka Tamada, Akira Hayashi |
| 2007 | ICANN | Identifying the Underlying Hierarchical Structure of Clusters in Cluster Analysis. | Kazunori Iwata, Akira Hayashi |
| 2007 | ICONIP | Component Reduction for Hierarchical Mixture Model Construction. | Kumiko Maebashi, Nobuo Suematsu, Akira Hayashi |
| 2007 | ICONIP | Learning a Kernel Matrix for Time Series Data from DTW Distances. | Hiroyuki Narita, Yasumasa Sawamura, Akira Hayashi |
| 2007 | IDEAL | A Discriminative Model Corresponding to Hierarchical HMMs. | Takaaki Sugiura, Naoto Gotou, Akira Hayashi |
| 2006 | AVSS | View Independent Gait Identification Using a Particle Filter. | Mitsuharu Emoto, Akira Hayashi, Nobuo Suematsu, Kazunori Iwata |
| 2006 | ICANN | Theory of a Probabilistic-Dependence Measure of Dissimilarity Among Multiple Clusters. | Kazunori Iwata, Akira Hayashi |
| 1999 | IROS | Making a local map of indoor environments by swiveling a camera and a sonar. | Shigang Li, Toshihiko Kanbara, Akira Hayashi |
| 1998 | IROS | Robot navigation in outdoor environments by using GPS information and panoramic views. | Shigang Li, Akira Hayashi |
| 1997 | ICML | A Bayesian Approach to Model Learning in Non-Markovian Environments. | Nobuo Suematsu, Akira Hayashi, Shigang Li |
| 1996 | ICPR | Qualitative representation of outdoor environment along route. | Shigang Li, Saburo Tsuji, Akira Hayashi |
| 1992 | IROS | A Continuous Approach To Robot Motion Planning With Many Degrees Of Freedom. | Akira Hayashi, Benjamin Kuipers |
| 1991 | AAAI | Path Planning for Highly Redundant Manipulators Using a Continuous Model. | Akira Hayashi, Benjamin Kuipers |