Cited by 36Hand Gesture Recognition SystemsContext-Aware Activity Recognition SystemsGaze Tracking and Assistive Technology

Gesture recognition with the linear optical sensor and recurrent neural networks

Czuszynski, Krzysztof, Ruminski, Jacek, Kwasniewska, Alicja·2018·IEEE Sensors Journal

Abstract

In this paper, the optical linear sensor, a representative of low-resolution sensors, was investigated in the multiclass recognition of near-field hand gestures. The recurrent neural network (RNN) with a gated recurrent unit (GRU) memory cell was utilized as a gestures classifier. A set of 27 gestures was collected from a group of volunteers. The 27 000 sequences obtained were divided into training, validation, and test subsets. The primary research goal was to define the most appropriate model architecture in terms of the accurate recognition of each gesture. An additional aim of the research was to investigate the kind of input data, i.e., raw data or preprocessed (feature) data, which generally produces better results. Therefore, three datasets were generated: raw data, simple features data, and high-level features data. (This includes information about hand poses which are already recognized.) The random search method was applied to achieve hyperparameter optimization to find the best possible topology for the neural network. The analysis performed shows that selected models were characterized by a test score at a level of 96.89% for the raw data, 95.75% for simple features, and 93.38% for high-level features. Results indicate that the direct use of raw data obtained from the optical linear sensor evaluated on the RNN with GRU memory cells allows for the reliable recognition of even complex gestures. Therefore, such solutions may have the potential to serve as a support to or as an alternative to video-based sensors especially for mobile devices.

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Crossref · 10.1109/jsen.2018.2834968

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  • Ref. [197] showed that training an RNN with raw data and with simple custom features yielded similar performance for gesture recognition (96.89% vs 93.38%).

    “Ref. [197] showed that training an RNN with raw data and with simple custom features yielded similar performance for gesture recognition (96.89% vs 93.38%).”

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Authors
Czuszynski, K., Ruminski, J., & Kwasniewska, A.
Venue
IEEE Sensors Journal
Published
2018-07-01
Volume
18
Issue
13
Pages
5429-5438
ISSN
  • 1530-437X (ISSN-L)
  • 1558-1748
  • 2379-9153
OpenAlex
W2802617992
Cited by
36
References
45
Citations by year
2026: 1 · 2025: 2 · 2024: 3 · 2023: 3 · 2022: 8 · 2021: 3 · 2020: 8 · 2019: 4 · 2018: 4
FWCI
4.74
Type
journal article
Language
en
Open access
closed
Locations
IEEE Sensors Journal (publishedVersion)
Funders
  • NCBiR, FWF, SNSF, ANR, and FNR in the framework of ERA-NET CHIST-ERA II through Project eGLASSES—The interactive eyeglasses for mobile, perceptual computing
  • Statutory Funds of the Electronics, Telecommunications and Informatics Faculty, Gdansk University of Technology
Topics
  • Physical Sciences › Computer Science › Human-Computer Interaction › Hand Gesture Recognition Systems
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
  • Physical Sciences › Computer Science › Human-Computer Interaction › Gaze Tracking and Assistive Technology
Keywords
gesture recognition, low-resolution sensors, recurrent neural networks, gated recurrent unit, raw sensor data, feature extraction, hyperparameter optimization, random search, mobile devices

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