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Reliable Age and Gender Estimation from Face Images: Stating the Confidence of Model Predictions

 
: Terhörst, Philipp; Huber, Marco; Kolf, Jan Niklas; Zelch, Ines; Damer, Naser; Kirchbuchner, Florian; Kuijper, Arjan

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Institute of Electrical and Electronics Engineers -IEEE-:
IEEE 10th International Conference on Biometrics: Theory, Applications and Systems, BTAS 2019
Piscataway, NJ: IEEE, 2019
ISBN: 978-1-7281-1522-1
ISBN: 978-1-7281-1523-8
8 S.
International Conference on Biometrics - Theory, Applications and Systems (BTAS) <10, 2019, Tampa/Fla.>
Bundesministerium für Bildung und Forschung BMBF (Deutschland)
CRISP
Englisch
Konferenzbeitrag
Fraunhofer IGD ()
CRISP; Lead Topic- Smart City; Lead Topic- Visual Computing as a Service; Research Line- Computer vision (CV); Research Line- Human computer interaction (HCI); Biometrics; Face recognition; Facial expression analysis

Abstract
Automated age and gender estimation became of great importance for many potential applications ranging from forensics to social media. Although previous works reported high increased performances, these solutions tend to mispredict under challenging conditions or when the trained model faces a sample that was underrepresented in the training data. In this work, we propose an age and gender estimation model, as well as a novel reliability measure to quantify the confidence of the model’s prediction. Our solution is based on stochastic forward passes through dropout-reduced neural networks that were theoretically proven to approximate Gaussian processes. By utilizing multiple stochastic forward passes, the centrality and dispersion of these predictions are used to derive a confidence statement about the prediction. Experiments were conducted on the Adience benchmark. We showed that the proposed solution reached and exceeded state-ofthe-art performance. Further, we demonstrated that the proposed reliability measure correlates with the prediction performance and thus, is highly successful in quantifying the prediction reliability.

: http://publica.fraunhofer.de/dokumente/N-602287.html