Human-machine collaboration for face recognition

S Ravindranath, R Baburaj… - Proceedings of the 7th …, 2020 - dl.acm.org
S Ravindranath, R Baburaj, VN Balasubramanian, NR Namburu, S Gujar, CV Jawahar
Proceedings of the 7th ACM IKDD CoDS and 25th COMAD, 2020dl.acm.org
Despite advances in deep learning and facial recognition techniques, the problem of fault-
intolerant facial recognition remains challenging. With the current state of progress in the
field of automatic face recognition and the in-feasibility of fully manual recognition, the
situation calls for human-machine collaborative methods. We design a system that uses
machine predictions for a given face to generate queries that are answered by human
experts to provide the system with the information required to predict the identity of the face …
Despite advances in deep learning and facial recognition techniques, the problem of fault-intolerant facial recognition remains challenging. With the current state of progress in the field of automatic face recognition and the in-feasibility of fully manual recognition, the situation calls for human-machine collaborative methods. We design a system that uses machine predictions for a given face to generate queries that are answered by human experts to provide the system with the information required to predict the identity of the face correctly. We use a Markov Decision Process for which we devise an appropriate query structure and a reward structure to generate these queries in a budget or accuracy-constrained setting. Finally, as we do not know the capabilities of the human experts involved, we model each human as a bandit and adopt a multi-armed bandit approach with consensus queries to efficiently estimate their individual accuracies, enabling us to maximize the accuracy of our system. Through careful analysis and experimentation on real-world data-sets using humans, we show that our system outperforms methods that exploit only machine intelligence, simultaneously being highly cost-efficient as compared to fully manual methods. In summary, our system uses human-machine collaboration for face recognition problem more intelligently and efficiently.
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