ASCII Printable Characters-Based Chinese Character Encoding for Internet Messages. - Ya-Gui Wei; Yun Fei Zhang; Jian Q. Li; Jian Ding; Yuan Jiang (RFC, 1995)

Multidirectional Gradient Feature With Shape Index for Effective Texture Classification. - Xi Chen; Jiangmei Li; Yun Fei Zhang (Int. J. Semantic Web Inf. Syst., 2022)