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Demo: Enabling image analysis tasks in visual sensor networks
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2014 (English)In: Proceedings of the 8th ACM/IEEE International Conference on Distributed Smart Cameras, ICDSC 2014, Association for Computing Machinery (ACM), 2014, a46- p.Conference paper (Refereed)
Abstract [en]

This demo showcases some of the results obtained by the GreenEyes project, whose main objective is to enable visual analysis on resource-constrained multimedia sensor networks. The demo features a multi-hop visual sensor network operated by BeagleBones Linux computers with IEEE 802.15.4 communication capabilities, and capable of recognizing and tracking objects according to two different visual paradigms. In the traditional compress-then-analyze (CTA) paradigm, JPEG compressed images are transmitted through the network from a camera node to a central controller, where the analysis takes place. In the alternative analyze-then-compress (ATC) paradigm, the camera node extracts and compresses local binary visual features from the acquired images (either locally or in a distributed fashion) and transmits them to the central controller, where they are used to perform object recognition/tracking. We show that, in a bandwidth constrained scenario, the latter paradigm allows to reach better results in terms of application frame rates, still ensuring excellent analysis performance.

Place, publisher, year, edition, pages
Association for Computing Machinery (ACM), 2014. a46- p.
Keyword [en]
ARM, Binary local visual features, Object recognition, Object tracking, Visual sensor networks
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-157981DOI: 10.1145/2659021.2669477ScopusID: 2-s2.0-84913551833ISBN: 978-145032925-5OAI: diva2:773375
8th ACM/IEEE International Conference on Distributed Smart Cameras, ICDSC 2014, 4 November 2014 through 7 November 2014, Venezia, Italy

QC 20141218

Available from: 2014-12-18 Created: 2014-12-18 Last updated: 2014-12-18Bibliographically approved

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Dán, GyörgyEriksson, EmilFodor, Viktoria
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