Satyanadh Gundimada Vijayan K. Asari Adaptive Confidence Level Assignment to Segmented Human Face Regions for Improved Face Recognition. 100-105 2005 conf/aipr/2005 AIPR http://doi.ieeecomputersociety.org/10.1109/AIPR.2005.13 db/conf/aipr/aipr2005.html#GundimadaA05a