Color Error Diffusion Based on Neugebauer Model. - Hengjun Yu; Kohei Inoue; Kenji Hara; Kiichi Urahama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)

Saturation improvement in hue-preserving color image enhancement without gamut problem. - Hengjun Yu; Kohei Inoue; Kenji Hara; Kiichi Urahama (ICT Express, 2018)