Speaker verification based on comparing normalized spectrograms. - Jia-Guu Leu; Liang-tsair Geeng; Chang En Pu; Jyh-Bin Shiau (ICCST, 2011)

Tracking formants in spectrograms and its application in speaker verification. - Jia-Guu Leu; Liang-tsair Geeng; Chang En Pu; Jyh-Bin Shiau (ICCST, 2012)