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Low-latency Classification of Social Haptic Gestures Using Transformers

Published: 13 March 2023 Publication History

Abstract

Social touch, and its recognition and classification, is increasingly important in human-robot interaction. We present a Transformer-based model trained and evaluated on an open-source dataset. The dataset, the Human-Animal Affective Robot Touch (HAART) dataset, was collected for the 2015 Recognition of Touch Gesture Challenge (RTGC 2015) and contains different haptic actions directed at a robotic animal. The actions are recorded using a multi-resolution pressure sensor. We feed the output, containing the touch type to the Nao robot to make the robot sense the touch type. The proposed transformer-based gesture classification model achieved 72.8% classification accuracy in 2.67 seconds, which outperforms the best-submitted algorithm of the RTGC 2015 which has a test classification accuracy of 70.9 % and needed 8 seconds.

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cover image ACM Conferences
HRI '23: Companion of the 2023 ACM/IEEE International Conference on Human-Robot Interaction
March 2023
612 pages
ISBN:9781450399708
DOI:10.1145/3568294
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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Published: 13 March 2023

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Author Tags

  1. attention mechanism
  2. convolutional neural networks
  3. gestures classification
  4. social touch interaction
  5. transformer

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