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A Battery-Free Long-Range Wireless Smart Camera for Face Recognition

Published:15 November 2021Publication History

ABSTRACT

In this demo we present a battery-free smart camera that exploits aggressive power management and energy harvesting to achieve face recognition in an energy-neutral fashion. A novel hardware accelerator for Convolution Neural Networks is employed to speed up the inference of the Tiny Machine Learning algorithm. The recognized face, and not the entire image, is sent via LoRa in a sensor network-like scenario. Experimental results demonstrated the capability of the developed sensor node to start and work perpetually with only a small photovoltaic panel array.

References

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  1. A Battery-Free Long-Range Wireless Smart Camera for Face Recognition

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      • Published in

        cover image ACM Conferences
        SenSys '21: Proceedings of the 19th ACM Conference on Embedded Networked Sensor Systems
        November 2021
        686 pages
        ISBN:9781450390972
        DOI:10.1145/3485730

        Copyright © 2021 Owner/Author

        Permission to make digital or hard copies of part or all 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 third-party components of this work must be honored. For all other uses, contact the Owner/Author.

        Publisher

        Association for Computing Machinery

        New York, NY, United States

        Publication History

        • Published: 15 November 2021

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        Qualifiers

        • demonstration
        • Research
        • Refereed limited

        Acceptance Rates

        SenSys '21 Paper Acceptance Rate25of139submissions,18%Overall Acceptance Rate174of867submissions,20%

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