Object's contour detection scheme based on image fusion. - Peng Zhao; Ting-Fa Xu; Guo-Qiang Ni (Int. J. Comput. Math., 2010)

Learning from Ideal Edge for Image Restoration. - Jin-Ping He; Kun Gao; Guo-Qiang Ni; Guang-Da Su; Jian-Sheng Chen (IEICE Trans. Inf. Syst., 2013)