1. Face recognition from single sample based on human face perception;Zhan;Int Conf Image Vis Comput New Zealand,2009
2. http://www.apple.com/tw/ios/siri/
3. https://cloud.google.com/speech/
4. An overview of automatic speaker recognition technology;Reynolds;IEEE Int Conf Acoust Speech Signal Process,2002
5. http://htk.eng.cam.ac.uk