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Cabassi F.,Dip. Di Ingegneria dellInformazione | Locatelli M.,Dip. Di Ingegneria dellInformazione
GECCO 2015 - Companion Publication of the 2015 Genetic and Evolutionary Computation Conference | Year: 2015

In this paper we make a detailed computational comparison between different variants of memetic DE approaches, including the two variants Greedy MDE (G-MDE) and Distance MDE (D-MDE), recently introduced in [2]. The computational comparison reveals that G-MDE is quite effective over single funnel functions, while D-MDE usually outperforms the other approaches over multifunnel landscapes. © 2015 ACM. Source


Guerra C.,Dip. Di Ingegneria dellInformazione | Bianchi V.,Dip. Di Ingegneria dellInformazione | De Munari I.,Dip. Di Ingegneria dellInformazione | Ciampolini P.,Dip. Di Ingegneria dellInformazione
Conference Record - IEEE Instrumentation and Measurement Technology Conference | Year: 2015

World population is facing deep demographic changes. A number of societal challenges are to be tackled, and possible support from ICT is sought for. AAL (Ambient Assisted Living) technologies, aimed at fostering independent life of elderly people, are therefore becoming increasingly important. Based on the AAL-system named CARDEA and previously developed at the University of Parma, in this paper a new feature is presented, named CARDEAGate and aimed at providing an inexpensive and scarcely intrusive way for providing user localization and identification information. Such information is needed to implement a number of useful functionalities, and most notably to carry out behavioral analysis in a multi-user context. A simple approach, based on a 'wireless barrier' and exploiting ZigBee protocol features is shown to provide reliable monitoring information. Preliminary test results are given, whereas a full characterization is currently under way. © 2015 IEEE. Source


Guerra C.,Dip. Di Ingegneria dellInformazione | Bianchi V.,Dip. Di Ingegneria dellInformazione | De Munari I.,Dip. Di Ingegneria dellInformazione | Ciampolini P.,Dip. Di Ingegneria dellInformazione
Studies in Health Technology and Informatics | Year: 2015

As the average age of the EU population increases, ICT solutions are going to play a key role in order to find answers to the new challenges the demographic change is carrying on. At the University of Parma an AAL (Ambient Assisted Living) system named CARDEA has been developed during the last 10 years. Within CARDEA, behavioral analysis is carried out, based on environmental sensors. If multiple users live in the same environment, however, data coming from sensors need to be properly tagged: in this paper, a simple technique for such tagging is proposed, which exploits the same wireless transmission used for transmitting data, thus not requiring additional hardware components and avoiding more complex and expensive (radio)localization techniques. Preliminary results are shown, featuring a satisfactory accuracy. © 2015 The authors and IOS Press. All rights reserved. Source


Guerra C.,Dip. Di Ingegneria dellInformazione | Montalto F.,Dip. Di Ingegneria dellInformazione | Bianchi V.,Dip. Di Ingegneria dellInformazione | De Munari I.,Dip. Di Ingegneria dellInformazione | Ciampolini P.,Dip. Di Ingegneria dellInformazione
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | Year: 2014

The European population is becoming older and older, causing AT (Assistive Technology) and AAL (Ambient Assisted Living) topics to become increasingly important. A ZigBee based low-cost home automation system named CARDEA has been developed at the University of Parma, with the aim to allow elderly people to live their lives autonomously and independently. In this paper a new feature is presented, named CARDEAGate: a gateway monitoring system which allows to detect crossing of a doorway or a predefined gateway and, if the person is carrying a wearable ZigBee sensor, to identify he/she. This technology is very useful to supervise the habits of a not completely self-sufficient person monitoring the access to particular locations or tracking he/she in order to execute a long term behavioral analysis. © Springer International Publishing Switzerland 2014. Source

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