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A dual scheme for compression and restoration of sequentially transmitted images over wireless sensor networks
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.ORCID iD: 0000-0003-0126-1897
Department of Informatics and Telecommunications, University of Athens.
Department of Electrical and Computer Engineering, University of Patras.
Department of Electronics, Technological Educational Institute of Athens.
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2013 (English)In: Ad hoc networks, ISSN 1570-8705, E-ISSN 1570-8713, Vol. 11, no 1, p. 410-426Article in journal (Refereed) Published
Abstract [en]

A dual scheme for the compression and restoration of sequentially transmitted images over Wireless Sensor Networks (WSN) is presented. These networks are characterized by low transmission rates, extended packet losses and limited power resources, factors that degrade the overall system performance. Especially in the cases of transmitting multimedia content, a considerable number of data packets are dropped, with a corresponding direct effect on the received image quality. For dealing with this loss of valuable information, various retransmission schemes have been proposed that act as quality of service modules. However, this approach increases energy consumption and inserts considerable time delays, due to the rise of the traffic load in the network. This article proposes a novel dual transmission scheme, targeting mainly the area of Multimedia WSNs (WMSN), that aims to decrease the overall traffic load introduced by the retransmission schemes, by performing image restoration for lost data packets, at the receiver side. The proposed novel dual scheme is based on: a) the Quad Tree Decomposition algorithm that is adopted for compressing the image data before transmission over the WSN, and b) the fast image inpainting algorithm for restoring the effect of the missing data packets. The overall proposed scheme has been applied inmultiple experimental studies that prove its efficacy.

Place, publisher, year, edition, pages
2013. Vol. 11, no 1, p. 410-426
Keyword [en]
Information technology - Automatic control
Keyword [sv]
Informationsteknik - Reglerteknik
National Category
Control Engineering
Research subject
Control Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-7143DOI: 10.1016/j.adhoc.2012.07.003Local ID: 57718543-1ee8-4dcc-b977-c84476ea9b5aOAI: oai:DiVA.org:ltu-7143DiVA: diva2:980031
Note
Validerad; 2013; 20120709 (geonik)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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