Maxout filter networks referencing morphological filters. - Makoto Nakashizuka; Kei-ichiro Kobayashi; Toru Ishikawa; Kiyoaki Itoi (EUSIPCO, 2017)

Convex Filter Networks Based on Morphological Filters and their Application to Image Noise and Mask Removal. - Makoto Nakashizuka; Kei-ichiro Kobayashi; Toru Ishikawa; Kiyoaki Itoi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017)

An Extraction Method of Handwritten Characters on Printed Documents by Maxout Filter Networks. - Kiyoaki Itoi; Makoto Nakashizuka (ISPACS, 2018)

Massive MIMO Antenna Arrangement Considering Spatial Efficiency and Correlation between Antennas in Mobile Communications. - Kiyoaki Itoi; Masanao Sasaki; Hiroaki Nakabayashi (IEICE Trans. Commun., 2020)

Path Loss Prediction Method Merged Conventional Models Effectively in Machine Learning for Mobile Communications. - Hiroaki Nakabayashi; Kiyoaki Itoi (IEICE Trans. Commun., 2022)