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Euroscepticism and Nationalist Populism
(Wilfried Martens Centre for European Studies, 2017)In recent years Eurosceptic parties have gained significant ground in national and European Parliament elections in many EU countries. This trend is related to the effects of the ongoing economic crisis, which has drastically ...
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Image classification by addition of spatial information based on histograms of orthogonal vectors
(PLOS ONE, 2018-06-08)The Bag-of-Visual-Words (BoVW) model is widely used for image classification, object recognition and image retrieval problems. In BoVW model, the local features are quantized and 2-D image space is represented in the form ...
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A Real-time Targeted Recommender System for Supermarkets
(SciTePress-Publication, 2017)Supermarket customers find it difficult to choose from a large variety of products or be informed for the latest offers that exist in a store based on the items that they need or wish to purchase. This paper presents a ...
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CoMo: A Compact Composite Moment-Based Descriptor for Image Retrieval
(ACM, 2017-06-19)Low level features play a vital role in image retrieval. Image moments can effectively represent global information of image content while being invariant under translation, rotation, and scaling. This paper briefly presents ...
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CoMo: a scale and rotation invariant compact composite moment-based descriptor for image retrieval
(Springer International Publishing, 2018-03-01)Low level features play a significant role in image retrieval. Image moments can effectively represent global information of image content while being invariant under translation, rotation, and scaling. This paper presents ...
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Radio Propagation in Industrial Wireless Sensor Network Environments: From Testbed to Simulation Evaluation
(ACM, 2012)In recent years, sensor networks characteristics have led to incremental utilization in different types of applications. Several techniques have been proposed to evaluate the performance of WSNs; the two most popular being ...
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Mobility Management in WSNs using Fuzzy Logic: An Industrial Application Scenario
(IEEE, 2012)Mobility management in Wireless Sensor Networks is considered to be of an up most importance for today's critical applications. In this paper, we present a soft mobility management solution where the mobility procedures ...
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S-GinMob: Soft-Handoff Solution for Mobile Users in Industrial Environments
(IEEE, 2011)In current research studies and testbed deployments of sensor networks, individual sensor nodes are usually assumed to be static. However, recent applications require mobile sensor nodes, something that poses unique ...
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Handoff Triggering for Wireless Sensor Networks with Performance Needs
(IEEE, 2013)In this paper, we deal with mobility management for wireless sensor networks and we focus on the first phase of a handoff procedure which is concerned with the mechanics of measuring important parameters and initiating ...
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An Experimental Analysis of the Mobile IPv6 Handover Latency Components
(2009)This paper examines the handover process of Mobile IPv6 in a real wireless testbed, based on IEEE 802.11b and extracts information on the actions taken by network entities during the movement of a mobile node. This work ...
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An Analysis of the Handover Latency Components in Mobile IPv6
(IEEE, 2009)This article analyses the latency components in Mobile IPv6 handovers. It provides real-implementation results for significant parts of the handover process through measurements in a real MIPv6 implementation on a wireless ...
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The GINSENG System for Wireless Monitoring and Control: Design and Deployment Experiences
(ACM, 2013)Today’s industrial facilities, such as oil refineries, chemical plants, and factories, rely on wired sensor systems to monitor and control the production processes. The deployment and maintenance of such cabled systems is ...
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Controlling the Handoff Procedure in an Oil Refinery Environment Using Fuzzy Logic
(IEEE, 2012)Mobility is one of the most important challenges in a wireless sensor system. Usually, continuous connectivity of a Mobile Node (MN) is achieved by supporting handoff from one connection point to another. In order to ...
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Wireless sensor networks mobility management using fuzzy logic
(Elsevier, 2014)This paper presents a novel, intelligent controller to support mobility in wireless sensor networks. In particular, the focus is on the deployment of such mobility solution to critical applications, like personnel safety ...
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Water Supply Optimization: An IPA Approach
(Elsevier, 2014)In this paper we address the problem of deciding whether a water source should be used by a water utility such that the production cost as well as the penalty cost due to water shortages is minimized while certain ...
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Fuzzy Logic Control for Mobility Support in Industrial Wireless Sensor Networks
(Springer, 2014)Mobility management is a crucial problem for wireless mobile communication, especially in wireless sensor networks (WSN). In this chapter, we show the need of providing an intelligent mobility controller, applicable to any ...
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Content based radiology image retrieval using a fuzzy rule based scalable composite descriptor
(2010)The rapid advances made in the field of radiology, the increased frequency in which oncological diseases appear, as well as the demand for regular medical checks, led to the creation of a large database of radiology ...
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Accurate Image Retrieval Based on Compact Composite Descriptors and Relevance Feedback Information
(World Scientific Publishing Company, 2010)In this paper a new set of descriptors appropriate for image indexing and retrieval is proposed. The proposed descriptors address the tremendously increased need for e±cient content-based image retrieval (CBIR) in many ...
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Investigating the Behavior of Compact Composite Descriptors in Early Fusion, Late Fusion and Distributed Image Retrieval
(2010)In Content-Based Image Retrieval (CBIR) systems, the visual content of the images is mapped into a new space named the feature space. The features that are chosen must be discriminative and sufficient for the description ...
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A novel cellular automata based technique for visual multimedia content encryption
(Elsevier, 2010)This paper proposes a new method for visual multimedia content encryption using Cellular Automata (CA). The encryption scheme is based on the application of an attribute of the CLF XOR filter, according to which the original ...
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