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Touchsense: classifying finger touches and measuring their force with an electromyography armband

Published: 08 October 2018 Publication History

Abstract

Identifying the finger used for touching and measuring the force of the touch provides valuable information on manual interactions. This information can be inferred from electromyography (EMG) of the forearm, measuring the activation of the muscles controlling the hand and fingers. We present Touch-Sense, which classifies the finger touches using a novel neural network architecture and estimates their force on a smartphone in real time based on data recorded from the sensors of an inexpensive and wireless EMG armband. Using data collected from 18 participants with force ground truth, we evaluate our system's performance and limitations. Our system could allow for new interaction paradigms with appliances and objects, which we exemplarily showcase in four applications.

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cover image ACM Conferences
ISWC '18: Proceedings of the 2018 ACM International Symposium on Wearable Computers
October 2018
307 pages
ISBN:9781450359672
DOI:10.1145/3267242
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 ACM 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: 08 October 2018

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Author Tags

  1. CNN
  2. EMG
  3. LSTM
  4. finger identification
  5. interaction
  6. touch-based interfaces
  7. wearable computing

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UbiComp '18

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Overall Acceptance Rate 38 of 196 submissions, 19%

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