Large-Scale Twitter Food Photo Mining and Its Applications. - Keiji Yanai; Kaimu Okamoto; Tetsuya Nagano; Daichi Horita (BigMM, 2019)

A Large-Scale Analysis of Regional Tendency of Twitter Photos Using Only Image Features. - Tetsuya Nagano; Takumi Ege; Wataru Shimoda; Keiji Yanai (MIPR, 2019)

Approach to Cryptography from Differential Geometry with Example. - Tetsuya Nagano; Hiroaki Anada (SECITC, 2020)

Finsler Encryption. - Tetsuya Nagano; Hiroaki Anada (ICISC (2), 2023)