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Special Issue "Visual Sensor Networks and Related Applications"

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Networks".

Deadline for manuscript submissions: 30 June 2019

Special Issue Editors

Guest Editor
Prof. Daniel G. Costa

Department of Technology, State University of Feira de Santana, 44036-900 Feira de Santana, Brazil
Website | E-Mail
Interests: emerging networks and applications; smart cities; Internet of Things and wireless networks; real-time and multimedia communications
Guest Editor
Prof. Dr. Francisco Vasques

Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
Website | E-Mail
Interests: real-time communication; reliable communication; wireless sensor networks; wireless industrial networks; mobile body area networks; energy-efficiency systems; Internet of Things
Guest Editor
Prof. Dr. Mario Collotta

Engineering and Architecture Faculty, Kore University of Enna, 94100 Enna, Italy
Website | E-Mail
Interests: expert systems and networks in distributed systems; IoT; real-time and healthcare application

Special Issue Information

Dear Colleagues,

The development of affordable low-power electronic devices with embedded capabilities for sensing, processing and communication functions spread the use of wireless sensor networks technologies, opening new frontiers for monitoring and control applications. Being inherently distributed and autonomous, the use of cameras as sensing units can provide multi-perspective visual data, which may be highly valuable for multiple types of monitoring applications. The resulting Visual Sensor Networks (VSN) can then be used for applications in smart cities, the Internet of things, Industry 4.0, vehicular networks, health assistance, home automation, and immersive entertainment, among many others, paving the way for impressive developments in those areas, built on the multiple-perspective available visual data.

Since the first experiments with wirelessly connected camera sensors, multiple innovative research challenges have driven research efforts in the area of VSNs. In more than a decade, real-time transmission, energy efficiency, coverage optimization, visual data processing, Quality of Service (QoS) and Quality of Experience (QoE), reliability and availability, security and many other aspects of multi-perspective visual sensing have been addressed by the academic community and industry, strengthen VSNs as an effective resource for distributed visual data acquisition and processing.

In this Special Issue, innovative research papers addressing classical and new challenges of visual sensor networks are especially welcome. Emerging applications for smart cities, vehicular networks, immersive entertainment and IoT environments have brought new challenges for visual sensor networks, mostly due to the integration of distributed and/or multi-perspective visual sensing with new data processing paradigms (e.g., big data, machine learning and crowdsensing algorithms). Therefore, this Special Issue aims to compile classical and new emerging challenges of visual sensor networks and applications, welcoming submissions covering their different aspects.

Prof. Daniel G. Costa
Prof. Francisco Vasques
Prof. Mario Collotta
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Real-time transmission and processing in VSN
  • Multi-perspective visual sensing
  • Visual coverage optimizations
  • Reliability, availability and robustness of VSN communications
  • Performance enhancement in VSN
  • VSN management and security
  • QoS, QoE and visual data quality
  • Dependable architecture design in VSN
  • Authentication and key agreement for VSN
  • Security and privacy in VSN
  • Malware detection in VSN
  • Protocols and algorithms for VSN
  • Emerging applications of VSNs, including smart cities, the Internet of things, Industry 4.0, vehicular networks, health assistance, home automation and immersive entertainment

Published Papers (2 papers)

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Research

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Open AccessArticle Bandwidth Modeling of Silicon Retinas for Next Generation Visual Sensor Networks
Sensors 2019, 19(8), 1751; https://doi.org/10.3390/s19081751
Received: 23 January 2019 / Revised: 23 March 2019 / Accepted: 3 April 2019 / Published: 12 April 2019
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Abstract
Silicon retinas, also known as Dynamic Vision Sensors (DVS) or event-based visual sensors, have shown great advantages in terms of low power consumption, low bandwidth, wide dynamic range and very high temporal resolution. Owing to such advantages as compared to conventional vision sensors, [...] Read more.
Silicon retinas, also known as Dynamic Vision Sensors (DVS) or event-based visual sensors, have shown great advantages in terms of low power consumption, low bandwidth, wide dynamic range and very high temporal resolution. Owing to such advantages as compared to conventional vision sensors, DVS devices are gaining more and more attention in various applications such as drone surveillance, robotics, high-speed motion photography, etc. The output of such sensors is a sequence of events rather than a series of frames as for classical cameras. Estimating the data rate of the stream of events associated with such sensors is needed for the appropriate design of transmission systems involving such sensors. In this work, we propose to consider information about the scene content and sensor speed to support such estimation, and we identify suitable metrics to quantify the complexity of the scene for this purpose. According to the results of this study, the event rate shows an exponential relationship with the metric associated with the complexity of the scene and linear relationships with the speed of the sensor. Based on these results, we propose a two-parameter model for the dependency of the event rate on scene complexity and sensor speed. The model achieves a prediction accuracy of approximately 88.4% for the outdoor environment along with the overall prediction performance of approximately 84%. Full article
(This article belongs to the Special Issue Visual Sensor Networks and Related Applications)
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Review

Jump to: Research

Open AccessReview A Survey of Energy-Efficient Communication Protocols with QoS Guarantees in Wireless Multimedia Sensor Networks
Sensors 2019, 19(1), 199; https://doi.org/10.3390/s19010199
Received: 3 December 2018 / Revised: 29 December 2018 / Accepted: 2 January 2019 / Published: 7 January 2019
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Abstract
In recent years, wireless multimedia sensor networks (WMSNs) have emerged as a prominent technique for delivering multimedia information such as still images and videos. Being under the great spotlight of research communities, however, multimedia delivery over resource- constraint WMSNs poses great challenges, especially [...] Read more.
In recent years, wireless multimedia sensor networks (WMSNs) have emerged as a prominent technique for delivering multimedia information such as still images and videos. Being under the great spotlight of research communities, however, multimedia delivery over resource- constraint WMSNs poses great challenges, especially in terms of energy efficiency and quality-of-service (QoS) guarantees. In this paper, recent developments in techniques for designing highly energy-efficient and QoS-capable WMSNs are surveyed. We first study the unique characteristics and the relevantly imposed requirements of WMSNs. For each requirement we also summarize their existing solutions. Then we review recent research efforts on energy-efficient and QoS-aware communication protocols, including MAC protocols, with a focus on their prioritization and service differentiation mechanisms and disjoint multipath routing protocols. Full article
(This article belongs to the Special Issue Visual Sensor Networks and Related Applications)
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