@InProceedings{Sharma-ARSO-2009,
  Title                    = {A Hierarchal Approach to Facial Expression Recognition using Active Appearance Models for Service Robots (ARSO)},
  Author                   = {Sharma, Abhishek and Stricker, Ronny},
  Booktitle                = {IEEE Workshop on Advanced Robotics and its Social Impacts},
  Year                     = {2009},
  Pages                    = {36--41}
}