Daily gesture recognition during human-robot interaction combining vision and wearable systems

FIORINI, Laura, LOIZZO, Federica G Cornacchia, SORRENTINO, Alessandra, KIM, Jaeseok, ROVINI, Erika, DI NUOVO, Alessandro and CAVALLO, Filippo (2021). Daily gesture recognition during human-robot interaction combining vision and wearable systems. IEEE Sensors Journal.

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Combined_vision_and_wearable_system_for_gesture_recognition_during_daily_activities__IEEE_SENSORS__CameraReady_August21.pdf - Accepted Version
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Official URL: https://ieeexplore.ieee.org/document/9523538
Link to published version:: https://doi.org/10.1109/jsen.2021.3108011
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    Abstract

    The recognition of human gestures is crucial for improving the quality of human-robot cooperation. This article presents a system composed of a Pepper robot that mounts an RGB-D camera and an inertial device called SensHand. The system acquired data from twenty people who performed five daily living activities (i.e. Having Lunch, Personal Hygiene, Working, House Cleaning, Relax). The activities were composed of at least two "basic" gestures for a total of 10 gestures. The data acquisition was performed by two cameras positioned laterally and frontally to mimic the real conditions. The acquired data were off-line classified considering different combinations of sensors to evaluate how the sensor fusion approach improves the recognition abilities. Specifically, the article presents an experimental study that evaluated four algorithms often used in computer vision, i.e. three classical machine learning and one belonging to the field of deep learning, namely Support Vector Machine, Random Forest, K-Nearest Neighbor and Long Short-Term Memory Recurrent Neural Network. The comparative analysis of the results shows a significant improvement of the accuracy when fusing camera and sensors data, i.e. 0.81 for the whole system configuration when the robot is in a frontal position with respect to the user (0.79 if we consider only the index finger sensors) and equal to 0.75 when the robot is in a lateral position. Interestingly, the system performs well in recognising the transitions between gestures when these are presented one after the other, a common event in the real-life that was often neglected in the previous studies.

    Item Type: Article
    Additional Information: © 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Uncontrolled Keywords: Analytical Chemistry; 0205 Optical Physics; 0906 Electrical and Electronic Engineering; 0913 Mechanical Engineering
    Identification Number: https://doi.org/10.1109/jsen.2021.3108011
    SWORD Depositor: Symplectic Elements
    Depositing User: Symplectic Elements
    Date Deposited: 01 Sep 2021 16:08
    Last Modified: 03 Sep 2021 07:22
    URI: http://shura.shu.ac.uk/id/eprint/28983

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