Development and progress in sensors and technologies for human emotion recognition

Shantanu Pal, Subhas Mukhopadhyay*, Nagender Suryadevara

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

14 Citations (Scopus)
6 Downloads (Pure)


With the advancement of human-computer interaction, robotics, and especially humanoid robots, there is an increasing trend for human-to-human communications over online platforms (e.g., zoom). This has become more significant in recent years due to the Covid-19 pandemic situation. The increased use of online platforms for communication signifies the need to build efficient and more interactive human emotion recognition systems. In a human emotion recognition system, the physiological signals of human beings are collected, analyzed, and processed with the help of dedicated learning techniques and algorithms. With the proliferation of emerging technologies, e.g., the Internet of Things (IoT), future Internet, and artificial intelligence, there is a high demand for building scalable, robust, efficient, and trustworthy human recognition systems. In this paper, we present the development and progress in sensors and technologies to detect human emotions. We review the state-of-the-art sensors used for human emotion recognition and different types of activity monitoring. We present the design challenges and provide practical references of such human emotion recognition systems in the real world. Finally, we discuss the current trends in applications and explore the future research directions to address issues, e.g., scalability, security, trust, privacy, transparency, and decentralization.

Original languageEnglish
Article number5554
Pages (from-to)1-21
Number of pages21
Issue number16
Publication statusPublished - 2 Aug 2021

Bibliographical note

Copyright the Author(s) 2021. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.


  • sensors
  • human emotion
  • motion analysis
  • wireless communications
  • Internet of Things
  • wearable sensors
  • physiological parameters monitoring


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