The Research on Two Important Counter-Examples of Four-Color Problem. - Jinbiao Wang; Shu Qin (IITSI, 2010)

Facial expression recognition based on Gabor wavelet transform and 2-channel CNN. - Shu Qin; Zhengzhou Zhu; Yuhang Zou; Xiaowei Wang (Int. J. Wavelets Multiresolution Inf. Process., 2020)