Computer and Modernization ›› 2024, Vol. 0 ›› Issue (08): 98-107.doi: 10.3969/j.issn.1006-2475.2024.08.016

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Survey on Group-level Emotion Recognition in Images

  

  1. (College of Computer Science and Technology, China University of Petroleum (East China), Qingdao 266580, China)
  • Online:2024-08-28 Published:2024-08-29

Abstract:  In recent years, image-based group emotion recognition has received widespread attention, which aims to accurately determine the overall emotional state of groups in different scenes and with different numbers of people. Since group emotion recognition involves the analysis and fusion of multiple group emotion clues such as facial emotional features, scene features, and human posture features in pictures, this field is very challenging. At this stage, there is a lack of relevant review articles in this field to sort out the existing research, so as to better conduct the next step of research. This article carefully sorts out and categorizes group emotion recognition models with different emotional cues and different processing methods in this field. At the same time, the processing methods and characteristics of existing models are reviewed and analyzed, and models with different fusion methods and mainstream databases in this field are sorted out. Finally, a brief summary and outlook on the development of this field are given.

Key words: group-level emotion recognition, deep learning, convolutional neural network, attention mechanism

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