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Emotion Recognition of a Group of People in Video Analytics Using Deep Off-the-Shelf Image Embeddings

  • Alexander V. TarasovEmail author
  • Andrey V. Savchenko
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11179)

Abstract

In this paper we address the group-level emotion classification problem in video analytic systems. We propose to apply the MTCNN face detector to obtain facial regions on each video frame. Next, off-the-shelf image features are extracted from each located face using preliminary trained convolutional neural networks. The features of the whole frame are computed as a mean average of image embeddings of individual faces. The resulted frame features are recognized with an ensemble of state-of-the-art classifiers computed as a weighted sum of their outputs. Experimental results with EmotiW 2017 dataset demonstrate that the proposed approach is 2–20% more accurate when compared to the conventional group-level emotion classifiers.

Keywords

Group emotion recognition Video-analytic system Convolutional neural network Face detection 

Notes

Acknowledgements

The article was prepared within the framework of the Academic Fund Program at the National Research University Higher School of Economics (HSE) in 2017 (grant №17-05-0007) and by the Russian Academic Excellence Project “5-100”.

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  1. 1.National Research University Higher School of EconomicsNizhny NovgorodRussia

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