A Bus Delay Reduction Technique Considering Crosstalk. - Kei Hirose; Hiroto Yasuura (DATE, 2000)

Camera-based navigation for service robots using pictographs on the crossing point. - Daisuke Chugo; Kei Hirose; Katsuki Nakashima; Sho Yokota; Hiroyuki Kobayashi; Hiroshi Hashimoto (IECON, 2012)

NNRMLR: A Combined Method of Nearest Neighbor Regression and Multiple Linear Regression. - Hideo Hirose; Yusuke Soejima; Kei Hirose (IIAI-AAI, 2012)

Tuning parameter selection in sparse regression modeling. - Kei Hirose; Shohei Tateishi; Sadanori Konishi (Comput. Stat. Data Anal., 2013)

Estimation of an oblique structure via penalized likelihood factor analysis. - Kei Hirose; Michio Yamamoto (Comput. Stat. Data Anal., 2014)

Sparse estimation via nonconcave penalized likelihood in factor analysis model. - Kei Hirose; Michio Yamamoto (Stat. Comput., 2015)

Robust sparse Gaussian graphical modeling. - Kei Hirose; Hironori Fujisawa; Jun Sese (J. Multivar. Anal., 2017)

Robust Relative Error Estimation. - Kei Hirose; Hiroki Masuda (Entropy, 2018)

Hierarchical clustered multiclass discriminant analysis via cross-validation. - Kei Hirose; Kanta Miura; Atori Koie (Comput. Stat. Data Anal., 2023)

Fast same-step forecast in SUTSE model and its theoretical properties. - Wataru Yoshida; Kei Hirose (Comput. Stat. Data Anal., 2024)