The Number of Cells in Regions Shifted on 2D Images Represented by Raster Data with Heterogeneous Parts. - Koichi Anada; Shinji Koka; Akihito Kubota; Yuki Shindo; Takeo Yaku (SNPD, 2013)

Translation and Projection Algorithms for Multiple Layer Images with a Hexadecimal Grid Graph Model. - Koichi Anada; Taikoh Ikeda; Shinji Koka; Akihito Kubota; Takeo Yaku (IIAI-AAI, 2014)