Handwritten Character Distinction Method Inspired by Human Vision Mechanism. - Jumpei Koyama; Masahiro Kato; Akira Hirose 001 (ICONIP (1), 2007)

Local-spectrum-based distinction between handwritten and machine-printed characters. - Jumpei Koyama; Akira Hirose 001; Masahiro Kato (ICIP, 2008)

Distinction between handwritten and machine-printed characters with no need to locate character or text line position. - Jumpei Koyama; Masahiro Kato; Akira Hirose 001 (IJCNN, 2008)

Coefficient sign bit compression in video coding. - Jumpei Koyama; Akihiro Yamori; Kimihiko Kazui; Satoshi Shimada; Akira Nakagawa (PCS, 2012)

Enhancement on the motion vector derivation of HEVC for interlace format. - Satoshi Shimada; Jumpei Koyama; Akihiro Yamori; Kimihiko Kazui; Hidenobu Miyoshi; Akira Nakagawa (PCS, 2012)

Interframe compression with selective update framework of local features for mobile augmented reality. - Jumpei Koyama; Mina Makar; André F. Araújo 001; Bernd Girod (ICME Workshops, 2014)