Visualizing Highly Abstract Mathematical Concepts: A Case Study in Animation of Homology Groups. - Tosiyasu L. Kunii; Hirohisa Hioki; Yoshihisa Shinagawa (MMM, 1993)

Recognizing three-dimensional shapes while measuring them. - Yoshihisa Shinagawa; Hirohisa Hioki; Junko Morimoto; Tosiyasu L. Kunii (Shape Modeling International, 1997)

Adaptive Light Projection and Highlight Analysis Method for Measuring Three-Dimensional Scene. - Hirohisa Hioki (ICIP, 2000)

Steganogallery: Steganographic gallery. - Hirohisa Hioki (MMSP, 2008)

Web behind Web - A Steganographic Web Framework. - Hirohisa Hioki (IIH-MSP, 2009)

Video colorization based on optical flow and edge-oriented color propagation. - Mayu Otani; Hirohisa Hioki (Computational Imaging, 2014)

A Measurement Method for Speed Distribution of Collective Motion with Optical Flow and its Application to Estimation of Rotation Curve. - Kei Terayama; Hirohisa Hioki; Masa-Aki Sakagami (ISM, 2014)

A practical classifier for photographs and non-photographic images based on local visual features. - Kei Terayama; Hirohisa Hioki (MVA, 2015)

A Measurement Method for Speed Distribution of Collective Motion with Optical Flow and Its Applications to School of Fish. - Kei Terayama; Hirohisa Hioki; Masa-Aki Sakagami (Int. J. Semantic Comput., 2015)