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Indoor occupancy sensing with ultrasounds

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Defense Thèse de doctorat : Univ. Genève, 2018 - GSEM 64 - 2018/11/23
Abstract As human beings, we rely on audible sounds as one way to communicate between each other and to infer information about our surrounding environment. Similarly, ultrasounds are used by some species in the animal kingdom to sense objects around them and get relevant information about their environment. In this thesis, we build on the inherent characteristics of ultrasounds and explore their application in occupancy sensing of indoor spaces, as ultrasounds exhibit interesting advantages compared to other technologies. Specifically, we design methods and algorithms to generate and process ultrasonic signals and infer the room occupancy, and we develop systems to evaluate their performance. Throughout the work, we address the implementation of our methods using commodity hardware, we pay attention to design algorithms that are computationally efficient, and we evaluate their time and space complexity. We focus on the reusability aspects in our designs, with the aim of bringing the technology to a wide range of existing and potential commercial devices, that would be able to implement our methods and algorithms seamlessly, and offer insights for new applications (like improving users' experience, enhancing home automation, etc.).
Keywords UltrasoundOccupancy sensingPersons detectionIndoor localizationFrequency/Time analysisMachine learningSmart EnvironmentsEnvironment sensingMotion sensorsPower switching
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URN: urn:nbn:ch:unige-1123552
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HAMMOUD, Abbass. Indoor occupancy sensing with ultrasounds. Université de Genève. Thèse, 2018. doi: 10.13097/archive-ouverte/unige:112355 https://archive-ouverte.unige.ch/unige:112355

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Deposited on : 2018-12-17

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