Camera based hand recognition for the graphically extended hand. - Kohei Okahara; Shuhei Ogawa; Daisuke Iwai; Kosuke Sato (GCCE, 2013)

A Camera Recalibration Method for a Top-View Surveillance System based on Relative Camera Pose and Structural Similarity. - Jun Minagawa; Kohei Okahara; Kento Yamazaki; Tsukasa Fukasawa (AVSS, 2019)

View Planning Using Geospatial Information for 3d Reconstruction with Unmanned Aerial Vehicles. - Kento Yamazaki; Kohei Okahara; Akira Minezawa (IGARSS, 2023)