Efficient Expression Neutrality Estimation with Application to Face Recognition Utility Prediction

The recognition performance of biometric systems strongly depends on the quality of the compared biometric samples. Motivated by the goal of establishing a common understanding of face image quality and enabling system interoperability, the committee draft of ISO/IEC 29794-5 introduces expression neutrality as one of many component quality elements affecting recognition performance. In this study, we train classifiers to assess facial expression neutrality using seven datasets. We conduct extensive performance benchmarking to evaluate their classification and face recognition utility prediction …

application biometric cs.cv cs.hc draft enabling face face recognition image interoperability iso performance prediction quality recognition samples systems understanding utility