Automating Transfer Function Design for Comprehensible Volume Rendering Based on 3D Field Topology Analysis. - Issei Fujishiro; Taeko Azuma; Yuriko Takeshima (IEEE Visualization, 1999)

Volume Data Mining Using 3D Field Topology Analysis. - Issei Fujishiro; Yuriko Takeshima; Taeko Azuma; Shigeo Takahashi (IEEE Computer Graphics and Applications, 2000)