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    Hand Gesture Recognition Using Ultrasonic Waves

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    Thesis_final.pdf
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    Thesis final
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    Type
    Thesis
    Authors
    AlSharif, Mohammed H. cc
    Advisors
    Al-Naffouri, Tareq Y. cc
    Committee members
    Alouini, Mohamed-Slim cc
    Laleg-Kirati, Taous-Meriem cc
    Program
    Electrical and Computer Engineering
    KAUST Department
    Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division
    Date
    2016-04
    Embargo End Date
    2017-05-13
    Permanent link to this record
    http://hdl.handle.net/10754/609434
    
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    Access Restrictions
    At the time of archiving, the student author of this thesis opted to temporarily restrict access to it. The full text of this thesis became available to the public after the expiration of the embargo on 2017-05-13.
    Abstract
    Gesturing is a natural way of communication between people and is used in our everyday conversations. Hand gesture recognition systems are used in many applications in a wide variety of fields, such as mobile phone applications, smart TVs, video gaming, etc. With the advances in human-computer interaction technology, gesture recognition is becoming an active research area. There are two types of devices to detect gestures; contact based devices and contactless devices. Using ultrasonic waves for determining gestures is one of the ways that is employed in contactless devices. Hand gesture recognition utilizing ultrasonic waves will be the focus of this thesis work. This thesis presents a new method for detecting and classifying a predefined set of hand gestures using a single ultrasonic transmitter and a single ultrasonic receiver. This method uses a linear frequency modulated ultrasonic signal. The ultrasonic signal is designed to meet the project requirements such as the update rate, the range of detection, etc. Also, it needs to overcome hardware limitations such as the limited output power, transmitter, and receiver bandwidth, etc. The method can be adapted to other hardware setups. Gestures are identified based on two main features; range estimation of the moving hand and received signal strength (RSS). These two factors are estimated using two simple methods; channel impulse response (CIR) and cross correlation (CC) of the reflected ultrasonic signal from the gesturing hand. A customized simple hardware setup was used to classify a set of hand gestures with high accuracy. The detection and classification were done using methods of low computational cost. This makes the proposed method to have a great potential for the implementation in many devices including laptops and mobile phones. The predefined set of gestures can be used for many control applications.
    Citation
    AlSharif, M. H. (2016). Hand Gesture Recognition Using Ultrasonic Waves. KAUST Research Repository. https://doi.org/10.25781/KAUST-6S4B0
    DOI
    10.25781/KAUST-6S4B0
    ae974a485f413a2113503eed53cd6c53
    10.25781/KAUST-6S4B0
    Scopus Count
    Collections
    MS Theses; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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