Ridge detection with a drop of water principle. - Shinji Koka; Kenshi Nomaki; Kimio Sugita; Kensei Tsuchida; Takeo Yaku (SIGGRAPH ASIA (Posters), 2010)

Tabular form editing with a hexadecimal grid graph model. - Shinji Koka; Kenshi Nomaki; Koichi Anada; Takeo Yaku (VL/HCC, 2011)

A graph grammar model for syntaxes of financial statements. - Yuki Shindo; Koushi Anzai; Koichi Anada; Shinji Koka; Takeo Yaku (VL/HCC, 2011)

Row manipulation in the heterogenous tabular forms with an octal grid model. - Takeo Yaku; Shinji Koka; Koichi Anada; Yuki Shindo; Kensei Tsuchida (VL/HCC, 2011)

Ridge Detection with the Steepest Ascent Method. - Shinji Koka; Koichi Anada; Kenshi Nomaki; Kimio Sugita; Kensei Tsuchida; Takeo Yaku (ICCS, 2011)

Row manipulation in the heterogeneous tabular forms with a hexadecimal grid graph model. - Shinji Koka; Koichi Anada; Kenshi Nomaki; Yuki Shindo; Takeo Yaku (SAC, 2012)

A resolution reduction method for multi-resolution terrain maps. - Goro Akagi; Koichi Anada; Shinji Koka; Yasunori Nakayama; Kenshi Nomaki; Takeo Yaku (SIGGRAPH Posters, 2012)

A Comparison of Ridge Detection Methods for DEM Data. - Shinji Koka; Koichi Anada; Yasunori Nakayama; Kimio Sugita; Takeo Yaku; Ryusuke Yokoyama (SNPD, 2012)

Reduction of resolution for binary images by an octal grid graph representation model. - Yuki Shindo; Taiyou Kikuchi; Koichi Anada; Shinji Koka; Takeo Yaku (ICIS, 2013)

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)

8k-ary Grid Graph Models of Tabular Forms. - Takeo Yaku; Koichi Anada; Koushi Anzai; Shinji Koka; Youzou Miyadera; Kensei Tsuchida (Specification, Algebra, and Software, 2014)

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)

A data structure for triangular dissection of multi-resolution images. - Taiyou Kikuchi; Shinji Koka; Koichi Anada; Youzou Miyadera; Takeo Yaku (SNPD, 2014)

A comparison of ridge detections for terrain maps on homogeneous rectangular dissections. - Koichi Anada; Youzou Miyadera; Shinji Koka; Takeo Yaku (INDIN, 2015)

A Method of Ridge Detection in Triangular Dissections Generated by Homogeneous Rectangular Dissections. - Koichi Anada; Taiyou Kikuchi; Shinji Koka; Youzou Miyadera; Takeo Yaku (SNPD (revised selected papers), 2015)

Ridge line detection of terrain maps represented by homogeneous triangular dissections. - Shinji Koka; Koichi Anada; Takaaki Goto; Hitomi Noto; Takeo Yaku (ICIS, 2017)