Efficient and Fully Secure Forward Secure Ciphertext-Policy Attribute-Based Encryption. - Takashi Kitagawa; Hiroki Kojima; Nuttapong Attrapadung; Hideki Imai (ISC, 2013)

A new design principle for an autonomous robot. - Itsuki Doi; Takashi Ikegami; Atsushi Masumori; Hiroki Kojima; Kohei Ogawa; Hiroshi Ishiguro (ECAL, 2017)

Some discrete inequalities for central-difference type operators. - Hiroki Kojima; Takayasu Matsuo; Daisuke Furihata (Math. Comput., 2017)

Cleaning Behavior Estimation for Self-Supported Cognitive Rehabilitation System. - Hiroki Kojima; Minori Kitano; Kazuaki Yokota; Sho Ooi; Mutsuo Sano (IICAIET, 2018)

Artificial Cognitive Map System based on Generative Deep Neural Networks. - Hiroki Kojima; Takashi Ikegami (ALIFE, 2021)

Multimodal Pseudo-Labeling Under Various Shooting Conditions: Case Study on RGB and IR Images. - Hiroki Kojima; Naoshi Kaneko; Seiya Ito; Kazuhiko Sumi (IW-FCV, 2022)

Organization of a Latent Space structure in VAE/GAN trained by navigation data. - Hiroki Kojima; Takashi Ikegami (Neural Networks, 2022)

Implementation of Lenia as a Reaction-Diffusion System. - Hiroki Kojima; Takashi Ikegami (CoRR, 2023)

Evolution of Collective AI Beyond Individual Optimization. - Ryosuke Takata; Yujin Tang; Yingtao Tian; Norihiro Maruyama; Hiroki Kojima; Takashi Ikegami (CoRR, 2024)

Lossless Phase Conversion Method for Object Wave-based Hologram Compression. - Hiroki Kojima; Ryota Koiso; Ryosuke Watanabe; Keisuke Nonaka (ICASSP, 2025)