Integral image word length reduction using overlapping rectangular regions. - Tadashi Kasezawa; Hirotaka Tanaka; Hiroshi Ito (ICIT, 2016)

Retinex-based signal enhancement for image dark regions. - Hirotaka Tanaka; Yuji Waizumi; Tadashi Kasezawa (ICSIPA, 2017)

Permutation-Based Signature Generation for Spread-Spectrum Video Watermarking. - Hiroshi Ito; Tadashi Kasezawa (IEICE Trans. Inf. Syst., 2019)

Device Dependent Information Hiding for Images. - Hiroshi Ito; Tadashi Kasezawa (IEICE Trans. Inf. Syst., 2023)