| 2015 | INDIN | A comparison of ridge detections for terrain maps on homogeneous rectangular dissections. | Koichi Anada, Youzou Miyadera, Shinji Koka, Takeo Yaku |
| 2015 | SNPD | A Method of Ridge Detection in Triangular Dissections Generated by Homogeneous Rectangular Dissections. | Koichi Anada, Taiyou Kikuchi, Shinji Koka, Youzou Miyadera, Takeo Yaku |
| 2014 | SNPD | A data structure for triangular dissection of multi-resolution images. | Taiyou Kikuchi, Shinji Koka, Koichi Anada, Youzou Miyadera, Takeo Yaku |
| 2013 | SNPD | 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 |
| 2012 | SIGGRAPH | A resolution reduction method for multi-resolution terrain maps. | Goro Akagi, Koichi Anada, Shinji Koka, Yasunori Nakayama, Kenshi Nomaki, Takeo Yaku |
| 2012 | SAC | Row manipulation in the heterogeneous tabular forms with a hexadecimal grid graph model. | Shinji Koka, Koichi Anada, Kenshi Nomaki, Yuki Shindo, Takeo Yaku |
| 2012 | SNPD | A Comparison of Ridge Detection Methods for DEM Data. | Shinji Koka, Koichi Anada, Yasunori Nakayama, Kimio Sugita, Takeo Yaku, Ryusuke Yokoyama |
| 2010 | SiggraphA | Ridge detection with a drop of water principle. | Shinji Koka, Kenshi Nomaki, Kimio Sugita, Kensei Tsuchida, Takeo Yaku |