Using Extended Three-valued Increment Sign for a denoising model of high-frequency artifacts in JPEG images by estimation of specific frequency. - Reiko Hagawa; Shun'ichi Kaneko; Hidenori Takauji (FCV, 2013)

Multi-staged deep learning with created coarse and appended fine categories. - Reiko Hagawa; Yasunori Ishii; Sotaro Tsukizawa (ACPR, 2015)

Deep learning using heterogeneous feature maps for maxout networks. - Yasunori Ishii; Reiko Hagawa; Sotaro Tsukizawa (ACPR, 2015)