WCGAN: Robust portrait watercolorization with adaptive hierarchical localized constraints. - Hongjin Lyu; Paul L. Rosin; Yu-Kun Lai (Displays, 2023)

SCD: Statistical Color Distribution-Based Objective Image Colorization Quality Assessment. - Hongjin Lyu; Hareeharan Elangovan; Paul L. Rosin; Yu-Kun Lai (CGI (1), 2024)