| 2022 | ICASSP | A Method For Estimating The Grouping Of Participants In Classroom Group Work Using Only Audio Information. | Osamu Ichikawa, Yuuto Shima, Takahiro Nakayama, Hajime Shirouzu |
| 2021 | Interspeech | Multi-Channel VAD for Transcription of Group Discussion. | Osamu Ichikawa, Kaito Nakano, Takahiro Nakayama, Hajime Shirouzu |
| 2017 | ICASSP | Effective joint training of denoising feature space transforms and Neural Network based acoustic models. | Takashi Fukuda, Osamu Ichikawa, Gakuto Kurata, Ryuki Tachibana, Samuel Thomas, Bhuvana Ramabhadran |
| 2017 | ICASSP | Harmonic feature fusion for robust neural network-based acoustic modeling. | Osamu Ichikawa, Takashi Fukuda, Masayuki Suzuki, Gakuto Kurata, Bhuvana Ramabhadran |
| 2017 | Interspeech | Factorial Modeling for Effective Suppression of Directional Noise. | Osamu Ichikawa, Takashi Fukuda, Gakuto Kurata, Steven J. Rennie |
| 2016 | ICASSP | Convolutional neural network pre-trained with projection matrices on linear discriminant analysis. | Takashi Fukuda, Osamu Ichikawa, Ryuki Tachibana |
| 2014 | Interspeech | Regularized feature-space discriminative adaptation for robust ASR. | Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura, Steven J. Rennie, Vaibhava Goel |
| 2013 | ICASSP | Channel-mapping for speech corpus recycling. | Osamu Ichikawa, Steven J. Rennie, Takashi Fukuda, Masafumi Nishimura |
| 2012 | ICASSP | Model-based noise reduction leveraging frequency-wise confidence metric for in-car speech recognition. | Osamu Ichikawa, Steven J. Rennie, Takashi Fukuda, Masafumi Nishimura |
| 2011 | Interspeech | Combining Feature Space Discriminative Training with Long-Term Spectro-Temporal Features for Noise-Robust Speech Recognition. | Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura |
| 2011 | Interspeech | Breath-Detection-Based Telephony Speech Phrasing. | Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura |
| 2010 | ICASSP | Improved voice activity detection using static harmonic features. | Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura |
| 2009 | Interspeech | Dynamic features in the linear domain for robust automatic speech recognition in a reverberant environment. | Osamu Ichikawa, Takashi Fukuda, Ryuki Tachibana, Masafumi Nishimura |
| 2008 | ICASSP | Local peak enhancement combined with noise reduction algorithms for robust automatic speech recognition in automobiles. | Osamu Ichikawa, Takashi Fukuda, Masafumi Nishimura |
| 2008 | Interspeech | Phone-duration-dependent long-term dynamic features for a stochastic model-based voice activity detection. | Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura |
| 2008 | Interspeech | Short- and long-term dynamic features for robust speech recognition. | Takashi Fukuda, Osamu Ichikawa, Masafumi Nishimura |
| 2005 | Interspeech | Simultaneous adaptation of echo cancellation and spectral subtraction for in-car speech recognition. | Osamu Ichikawa, Masafumi Nishimura |
| 1996 | EDBT | Amalgamating SGML Documents and Databases. | Masatoshi Yoshikawa, Osamu Ichikawa, Shunsuke Uemura |