Risultati di ricerca
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E.Dimaggio, D.Narducci, G.Pennelli, "Fabrication of silicon nanowire forests for thermoelectric applications by Metal Assisted Chemical Etching", Journal of Materials Engineering and Performance, September 2018, doi.org/10.1007/s11665-018-3605-2
Silicon nanowires, whose thermal conductivity is strongly reduced with respect to that of the bulk silicon, are very promising for high-efficient thermoelectric conversion. This work focuses on the development of a technique for the fabrication of...
https://phd.dii.unipi.it/pubblicazioni/item/2296-e-dimaggio,-d-narducci,-g-pennelli,-fabrication-of-silicon-nanowire-forests-for-thermoelectric-applications-by-metal-assisted-chemical-etching-,-journal-of-materials-engineering-and-performance,-september-2018,-doi-org-10-1007-s11665-018-3605-2.html -
G. Pennelli, E. Dimaggio, M. Macucci, "Thermal Conductivity Reduction in Rough Silicon Nanomembranes", IEEE Transactions on Nanotechnology 17 (3), 500, March 2018
Nanostructured silicon is a promising material for thermoelectric conversion because the thermal conductivity in silicon nanostructures can be strongly reduced with respect to that of bulk materials. We present thermal conductivity measurements,...
https://phd.dii.unipi.it/pubblicazioni/item/2295-g-pennelli,-e-dimaggio,-m-macucci,-thermal-conductivity-reduction-in-rough-silicon-nanomembranes-,-ieee-transactions-on-nanotechnology-17-3-,-500,-march-2018.html -
E. Dimaggio, G. Pennelli, "Potentialities of silicon nanowire forests for thermoelectric generation" Nanotechnology 29, 135401, February 2018
Silicon is a material with very good thermoelectric properties, with regard to Seebeck coefficient and electrical conductivity. Low thermal conductivities, and hence high thermal to electrical conversion efficiencies, can be achieved in nanostructures,...
https://phd.dii.unipi.it/pubblicazioni/item/2294-e-dimaggio,-g-pennelli,-potentialities-of-silicon-nanowire-forests-for-thermoelectric-generation-nanotechnology-29,-135401,-february-2018.html -
G. Pennelli, E. Dimaggio, M. Macucci, Note: Improvement of the 3ω thermal conductivity measurement technique for its application at the nanoscale, Review of Scientific Instru-ments, 89, 016104, January 2018
Conventional techniques for thermal conductivity measurements can lead to unreliable results when applied to nanostructures because heaters and temperature sensors needed for the measurement cannot have a negligible size and therefore perturb the...
https://phd.dii.unipi.it/pubblicazioni/item/2293-g-pennelli,-e-dimaggio,-m-macucci,-note-improvement-of-the-3ω-thermal-conductivity-measurement-technique-for-its-application-at-the-nanoscale,-review-of-scientific-instru-ments,-89,-016104,-january-2018.html -
Pennelli G., Dimaggio E., Macucci M., “Fabrication Techniques for Thermoelectric Devices Based on Nanostructured Silicon”, Journal of Nanoscience and Nanotechnology 17, 1623, July 2017
We discuss processes for the fabrication of devices for thermoelectric generation, based on silicon nanostructures. The main issue that we address is the design and development of fabrication processes for devices exploiting a large number of...
https://phd.dii.unipi.it/pubblicazioni/item/2292-pennelli-g-,-dimaggio-e-,-macucci-m-,-“fabrication-techniques-for-thermoelectric-devices-based-on-nanostructured-silicon”,-journal-of-nanoscience-and-nanotechnology-17,-1623,-july-2017.html -
Gabriele Meoni, Luca Pilato, Gabriele Ciarpi, Alessandro Palla, Luca Fanucci: "Fully Digital Low-Power Implementation of an Audio Front-End for Portable Applications", APPLEPIES Conference, 26 - 27 September 2018, Pisa (Italy)
This work presents a fully digital implementation of an audio front-end for portable applications developed in a low-power perspective. Such platform acquires audio samples through a four digital Pulse Digital Modulation (PDM) microphones array and...
https://phd.dii.unipi.it/pubblicazioni/item/2289-gabriele-meoni,-luca-pilato,-gabriele-ciarpi,-alessandro-palla-fully-digital-low-power-implementation-of-an-audio-front-end-for-portable-applications-,-applepies-conference,-26-27-september-2018,-pisa-italy.html -
Gabriele Meoni, Luca Pilato, Luca Fanucci: “ A low power Voice Activity Detector for portable applications “,14th PRIME Conference, 2018, Prague
Voice Activity Detectors (VADs) are used to enhance performances and to reduce the activation rate of speech recognition and key-word spotting applications. The last aspect is crucial for portable applications because it allows to save energy,...
https://phd.dii.unipi.it/pubblicazioni/item/2288-gabriele-meoni,-luca-pilato,-luca-fanucci-“-a-low-power-voice-activity-detector-for-portable-applications-“,14th-prime-conference,-2018,-prague.html -
Gionata Benelli, Gabriele Meoni, Luca Fanucci: “A low power keyword spotting algortihm for memory constrained embedded systems “ - 26th IFIP/IEEE International Conference on Very Large Scale Integration Verona, Italy, 8-10 October 2018
Nowadays Voice User Interfaces (VUIs) have become popular thanks to their easiness of use that makes them accessible to the elderly and people with disability. Nevertheless, their use in embedded systems for the realization of portable devices is...
https://phd.dii.unipi.it/pubblicazioni/item/2287-gionata-benelli,-gabriele-meoni,-luca-fanucci-“a-low-power-keyword-spotting-algortihm-for-memory-constrained-embedded-systems-“-26th-ifip-ieee-international-conference-on-very-large-scale-integration-verona,-italy,-8-10-october-2018.html -
Luca Pilato, Gabriele Meoni, Luca Fanucci: “ Design Optimization for High Throughput Recursive Systematic Convolutional Encoders” – ICSTCC 2018 Conference, Sinaia, Romania
Recursive Systematic Convolutional (RSC) codes are the building blocks of the modern communication systems. In this paper we propose a new analytical model to manipulate the modulo-2 algebraic operations and a finite state machine model describing the...
https://phd.dii.unipi.it/pubblicazioni/item/2286-luca-pilato,-gabriele-meoni,-luca-fanucci-“-design-optimization-for-high-throughput-recursive-systematic-convolutional-encoders”-–-icstcc-2018-conference,-sinaia,-romania.html -
V.S.Raghavan, D.Kanoulas, C.Zhou, D.Caldwell, and N.Tsagarakis, "A Study on Low-Drift State Estimation for Humanoid Locomotion, using LiDAR and Kinematic-Inertial Data Fusion", IEEE-RAS International Conference on Humanoid Robots, November 2018
Several humanoid robots will require to navigate in unsafe and unstructured environments, such as those after a disaster, for human assistance and support. To achieve this, humanoids require to construct in real-time, accurate maps of the environment...
https://phd.dii.unipi.it/pubblicazioni/item/2284-v-s-raghavan,-d-kanoulas,-c-zhou,-d-caldwell,-and-n-tsagarakis,-a-study-on-low-drift-state-estimation-for-humanoid-locomotion,-using-lidar-and-kinematic-inertial-data-fusion-,-ieee-ras-international-conference-on-humanoid-robots,-november-2018.html -
F. Martinelli, F. Mercaldo, C. Michailidou, A. Saracino: “Phylogenetic Analysis for Ransomware Detection and Classification into Families”
The widespread of ransomware experienced in the last years has been caused also by the ability of attackers to introduce changes and mutations that make the malware hard to identify from antimalware software. In this paper we propose a two-phase method...
https://phd.dii.unipi.it/pubblicazioni/item/2283-f-martinelli,-f-mercaldo,-c-michailidou,-a-saracino-“phylogenetic-analysis-for-ransomware-detection-and-classification-into-families”.html -
V. Gkioulos, A. Rizos, C. Michailidou, F. Martinelli, P. Mori, A. Saracino: “Enhancing Usage Control for Performance: An Architecture for Systems of Systems”
The distributiveness and heterogeneity of today’s systems of systems, such as the Internet of Things (IoT), on-line banking systems, and contemporary emergency information systems, require the integration of access and usage control mechanisms, for...
https://phd.dii.unipi.it/pubblicazioni/item/2282-v-gkioulos,-a-rizos,-c-michailidou,-f-martinelli,-p-mori,-a-saracino-“enhancing-usage-control-for-performance-an-architecture-for-systems-of-systems”.html -
V. Gkioulos, A. Rizos, C. Michailidou, F. Martinelli, P. Mori: " Enhancing Usage Control for Performance: A proposal for Systems of Systems "
Modern interconnected systems of systems, such as the Internet of Things (IoT), demand the presence of access and usage control mechanisms which will be able to manage the right of access to the corresponding services, and the plethora of information...
https://phd.dii.unipi.it/pubblicazioni/item/2281-v-gkioulos,-a-rizos,-c-michailidou,-f-martinelli,-p-mori-enhancing-usage-control-for-performance-a-proposal-for-systems-of-systems.html -
F.Martinelli, C. Michailidou, P. Mori, A. Saracino: " Too long, did not enforce: A qualitative hierarchical risk-aware data usage control model for complex policies in distributed environments"
Distributed environments such as Internet of Things, have an increasing need of introducing access and usage control mechanisms, to manage the rights to perform specific operations and regulate the access to the plethora of information daily generated...
https://phd.dii.unipi.it/pubblicazioni/item/2280-https-dl-acm-org-citation-cfmid-3198463.html -
R. Costanzi, D. Fenucci, V. Manzari, et al.: "At-Sea NATO Operational Experimentation with Interoperable Underwater Assets Using Different Robotic Middlewares", Proceedings of NAV 2018: 19th International Conference on Ship & Maritime Research
Autonomous Underwater Vehicles (AUVs) are offering new capabilities for a wide range of military and civilian applications. The interoperability of heterogeneous AUVs with different skills is critical to accomplish such complex tasks. Indeed, the...
https://phd.dii.unipi.it/pubblicazioni/item/2277-r-costanzi,-d-fenucci,-v-manzari,-et-al-at-sea-nato-operational-experimentation-with-interoperable-underwater-assets-using-different-robotic-middlewares-,-proceedings-of-nav-2018-19th-international-conference-on-ship-maritime-research.html -
Giacomo Giorgi, Fabio Martinelli, Andrea Saracino, Mina Sheikhalishahi : Walking Through the Deep: Gait Analysis for User Authentication through Deep Learning
Seamless authentication is a desired feature which is becoming more and more relevant, due to the distribution of personal and wearable mobile devices. With seamless authentication, biometric features such as human gait, become a way to control...
https://phd.dii.unipi.it/pubblicazioni/item/2272-https-www-iit-cnr-it-sites-default-files-walking-20through-20the-20deep-20gait-20analysis-20for-20user-20authentication-20through-20deep-20learning-pdf.html -
Giacomo Giorgi, Fabio Martinelli, Andrea Saracino, Mina Sheikhalishahi : Try Walking in My Shoes, if you can: Accurate Gait Recognition through Deep Learning
Human gait seamless continuous authentication, based on wearable accelerometers, is a novel biometric instrument which can be exploited to identify the user of mobile and wearable devices. In this paper, we present a study on recognition of user...
https://phd.dii.unipi.it/pubblicazioni/item/2271-https-www-iit-cnr-it-sites-default-files-main_24-pdf.html -
Giacomo Giorgi, Antonio La Marra, Fabio Martinelli, Paolo Mori, and Andrea Saracino : Smart Parental Advisory: A Usage Control and Deep Learning-Based Framework for Dynamic Parental Control on Smart TV
Parental Control functionalities currently included in Smart TVs, DBS decoders and Pay TV services are cumbersome to use, not flexible and, in the end, are seldom used. This paper presents a framework for dynamic enforcement of parental control policies...
https://phd.dii.unipi.it/pubblicazioni/item/2270-https-www-iit-cnr-it-sites-default-files-parental_control-pdf.html -
L.Baldanzi, L.Crocetti, M.Bertolucci, L. Fanucci, S. Saponara : "Analysis of Cybersecurity Weakness in Automotive In-Vehicle Networking and Hardware Accelerators for Real-time Cryptography", ApplePies 2018, Pisa, September 2018
The work analyses the cybersecurity weakness in state-of-art automotive in-vehicle networks and discusses possible countermeasures at architecture level. Due to stringent real-time constraints (throughput and latency) of fail-safe automotive...
https://phd.dii.unipi.it/pubblicazioni/item/2269-l-baldanzi,-l-crocetti,-m-bertolucci,-l-fanucci,-s-saponara-analysis-of-cybersecurity-weakness-in-automotive-in-vehicle-networking-and-hardware-accelerators-for-real-time-cryptography-,-applepies-2018,-pisa,-september-2018.html -
L. Rizzo, P. Valente, G. Lettieri, V. Maffione: "PSPAT: software packet scheduling at hardware speed", Computer Communications 120 (2018): 32-45.
Tenants in a cloud environment run services, such as Virtual Network Function instantiations, that may legitimately generate millions of packets per second. The hosting platform, hence, needs robust packet scheduling mechanisms that support these rates...
https://phd.dii.unipi.it/pubblicazioni/item/2260-l-rizzo,-p-valente,-g-lettieri,-v-maffione-pspat-software-packet-scheduling-at-hardware-speed-,-computer-communications-120-2018-32-45.html
News
- Modifica Date Corso - Prof. Marcos Rodriguez Pino, Universidad de Oviedo (SPAIN), Dr. Andrea Motroni, University of Pisa, "Measurement techniques for microwave devices and antennas", 25-29 September 2023
- Modifica Date Corso - Dr. Alessio Ferrari, ISTI-CNR Pisa – Italy, "Empirical Research Methods in Software Engineering", 13-21 September 2023
- Dr. Emilio Calvanese Strinati, CEA-LETI Grenoble - France, "5G, Beyond 5G and 6G: the next frontier", 13,14,15 June, 17,19,20 July 2023
- Modifica Date Corso - Prof. Francesco Banterle, ISTI-CNR – Italy, "Monte Carlo methods and sampling for computing", 23 May, 1,6,13 June 2023
- Corso ANNULLATO - Dr.ssa Silvia Zorzetti, Dr. David Van Zanten, Fermi National Accelerator Laboratory, USA, "Characterization of superconducting qubits"
