Face Recognition Based on Dual-Tree Complex Wavelet Transform under Low Illumination Environments. - Deng-Yuan Huang; Shr-Huan Di; Wu-Chih Hu; Yi-Jen Su (IVCNZ, 2014)

Face Recognition Using the Diagonal Relative Gradient Method in a Low Illumination Environment. - Deng-Yuan Huang; Chun-Jih Lin; Shr-Huan Dai (J. Inf. Hiding Multim. Signal Process., 2014)