Risultati di ricerca
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F. Carrara, F. Falchi, R. Caldelli, G. Amato, R. Fumarola, R. Becarelli, “Detecting adversarial example attacks to deep neural networks”, Proceedings of the 15th International Workshop on Content-Based Multimedia Indexing (CBMI), June 2017
Deep learning has recently become the state of the art in many computer vision applications and in image classification in particular. However, recent works have shown that it is quite easy to create adversarial examples, i.e., images intentionally...
https://phd.dii.unipi.it/pubblicazioni/item/1651-f-carrara,-f-falchi,-r-caldelli,-g-amato,-r-fumarola,-r-becarelli,-“detecting-adversarial-example-attacks-to-deep-neural-networks”,-proceedings-of-the-15th-international-workshop-on-content-based-multimedia-indexing-cbmi-,-june-2017.html -
G. Amato, F. Carrara, F. Falchi, C. Gennaro: “Efficient Indexing of Regional Maximum Activations of Convolutions using Full-Text Search Engines”, Proceedings of the 2017 ACM on International Conference on Multimedia Retrieval (ICMR), June 2017
In this paper, we adapt a surrogate text representation technique to develop efficient instance-level image retrieval using Regional Maximum Activations of Convolutions (R-MAC). R-MAC features have recently showed outstanding performance in visual...
https://phd.dii.unipi.it/pubblicazioni/item/1650-g-amato,-f-carrara,-f-falchi,-c-gennaro-“efficient-indexing-of-regional-maximum-activations-of-convolutions-using-full-text-search-engines”,-proceedings-of-the-2017-acm-on-international-conference-on-multimedia-retrieval-icmr-,-june-2017.html -
F. Carrara, A. Esuli, T. Fagni, F. Falchi, A.M. Fernández: "Picture It In Your Mind: Generating High Level Visual Representations From Textual Descriptions", Neu-IR '16 SIGIR non-archival Workshop on Neural Information Retrieval
In this paper we tackle the problem of image search when the query is a short textual description of the image the user is looking for. We choose to implement the actual search process as a similarity search in a visual feature space, by learning to...
https://phd.dii.unipi.it/pubblicazioni/item/1649-f-carrara,-a-esuli,-t-fagni,-f-falchi,-am-fernández-picture-it-in-your-mind-generating-high-level-visual-representations-from-textual-descriptions-,-neu-ir-sigir-2016-workshop-on-neural-information-retrieval,-july-21,-2016,-pisa,-italy.html -
S. Fani, S. Ciotti, E. Battaglia, A. Moscatelli and M. Bianchi (2017), "W-FYD: a Wearable Fabric-based Display for Haptic Multi-Cue Delivery and Tactile Augmented Reality," in IEEE Transactions on Haptics, vol. PP, no. 99, pp. 1-1.
Abstract: Despite the importance of softness, there is no evidence of wearable haptic systems able to deliver controllable softness cues. Here, we present the Wearable Fabric Yielding Display (W-FYD), a fabric-based display for multi-cue delivery that...
https://phd.dii.unipi.it/pubblicazioni/item/1648-s-fani,-s-ciotti,-e-battaglia,-a-moscatelli-and-m-bianchi,-w-fyd-a-wearable-fabric-based-display-for-haptic-multi-cue-delivery-and-tactile-augmented-reality,-in-ieee-transactions-on-haptics,-vol-pp,-no-99,-pp-1-1.html -
Della Santina C, Bianchi M, Averta G, Ciotti S, Arapi V, Fani S et al. Postural Hand Synergies during Environmental Constraint Exploitation. Frontiers in Neurorobotics. 2017;11:41.
Abstract: Humans are able to intuitively exploit the shape of an object and environmental constraints to achieve stable grasps and perform dexterous manipulations. In doing that, a vast range of kinematic strategies can be observed. However, in this...
https://phd.dii.unipi.it/pubblicazioni/item/1647-della-santina-c,-bianchi-m,-averta-g,-ciotti-s,-arapi-v,-fani-s-et-al-postural-hand-synergies-during-environmental-constraint-exploitation-frontiers-in-neurorobotics-2017-11-41.html -
Condino S, Viglialoro R M, Fani S et al. (2016) Tactile Augmented Reality for Arteries Palpation in Open Surgery Training. In: Medical Imaging and Augmented Reality. MIAR 2016. Lecture Notes in Computer Science, vol 9805. Springer, Cham
Abstract: Palpation is an essential step of several open surgical procedures for locating arteries by arterial pulse detection. In this context, surgical simulation would ideally provide realistic haptic sensations to the operator. This paper presents...
https://phd.dii.unipi.it/pubblicazioni/item/1646-condino-s,-viglialoro-r-m,-fani-s-et-al-2016-tactile-augmented-reality-for-arteries-palpation-in-open-surgery-training-in-medical-imaging-and-augmented-reality-miar-2016-lecture-notes-in-computer-science,-vol-9805-springer,-cham.html -
Fani S, Bianchi M, Jain S, et al. Assessment of Myoelectric Controller Performance and Kinematic Behavior of a Novel Soft Synergy-Inspired Robotic Hand for Prosthetic Applications. Frontiers in Neurorobotics. 2016;10:11.
Abstract: Myoelectric artificial limbs can significantly advance the state of the art in prosthetics, since they can be used to control mechatronic devices through muscular activity in a way that mimics how the subjects used to activate their muscles...
https://phd.dii.unipi.it/pubblicazioni/item/1645-fani-s,-bianchi-m,-jain-s,-et-al-assessment-of-myoelectric-controller-performance-and-kinematic-behavior-of-a-novel-soft-synergy-inspired-robotic-hand-for-prosthetic-applications-frontiers-in-neurorobotics-2016-10-11.html -
Davalle D., Dello Sterpaio L., Fanucci L., Leoni A.: “Design and implementation of Test Equipment for SpaceFibre Links,” SpaceFibre World Conference 2016, Yokohama, JAPAN.
ABSTRACT - SpaceFibre is the upcoming European standard for on-board high-speed communications. The need for data-rate beyond 1 Gb/s is already present in space missions, and it is currently fulfilled by non-standard approaches based on...
https://phd.dii.unipi.it/pubblicazioni/item/1641-davalle-d-,-dello-sterpaio-l-,-fanucci-l-,-leoni-a-“design-and-implementation-of-test-equipment-for-spacefibre-links,”-spacefibre-world-conference-2016,-yokohama,-japan.html -
Simulation Method of Forward Scatter Radar Sea Clutter Based on Experimental Data
Abstract: A Forward Scatter Radar (FSR) system is clutter-limited, rather than noise limited. It does not have range resolution so the clutter is collected from the whole surface illuminated by the antenna radar. This paper introduces an approach to...
https://phd.dii.unipi.it/pubblicazioni/item/1639-http-ieeexplore-ieee-org-document-8008189.html -
Cozzi C., Polito G., Kolasinski K. W. and Barillaro G. (2017, 5). Controlled Fabrication of High-Aspect-Ratio Microstructures in Silicon at Etching Rates Beyond State-of-the-Art Microstructuring Technologies. ECS Transaction, 77, 199-205.
Abstract: The controlled electrochemical etching at room temperature of deep (up to 200 μm) silicon microstructures with aspect ratio ranging from 5 to 100 and etching rates from 10 to 3 μm/min, respectively, is here reported and discussed. This allows...
https://phd.dii.unipi.it/pubblicazioni/item/1638-cozzi-c-,-polito-g-,-kolasinski-k-w-and-barillaro-g-2017,-5-controlled-fabrication-of-high-aspect-ratio-microstructures-in-silicon-at-etching-rates-beyond-state-of-the-art-microstructuring-technologies-ecs-transaction,-77,-199-205.html -
Polito G., Cozzi C. and Barillaro G. (2017, 5). Controlling the Electrochemical Etching of Pores with High Aspect Ratio at the Submicrometer Scale In Silicon. ECS Transaction, 77, 259-265.
Abstract: The controlled electrochemical etching at high anodic voltage (up to 35 V) of two-dimensional arrays of ordered pores with sub-micrometric diameter (down to 800 nm) at high depths (up to 40 µm) and high density (spacing 1.8 µm), yielding a...
https://phd.dii.unipi.it/pubblicazioni/item/1637-polito-g-,-cozzi-c-and-barillaro-g-2017,-5-controlling-the-electrochemical-etching-of-pores-with-high-aspect-ratio-at-the-submicrometer-scale-in-silicon-ecs-transaction,-77,-259-265.html -
Polito G, Robbiano V, Cozzi C, [...] Barillaro, G. Template Assisted Preparation of Micrometric Suspended Membrane Lattices of Photoluminescent and Non-Photoluminescent Polymers by Capillarity-Driven Solvent Evaporation:Application to Microtagging.
Scientific Report, 7, 8351, 2017 Abstract: In this work, the bottom-up template-assisted preparation of high-density lattices (up to 11 · 10 6 membranes/cm 2 ) of suspended polymer membranes with micrometric size (in the order of few μm 2 ) and...
https://phd.dii.unipi.it/pubblicazioni/item/1636-polito-g,-robbiano-v,-cozzi-c,-barillaro,-g-template-assisted-preparation-of-micrometric-suspended-membrane-lattices-of-photoluminescent-and-non-photoluminescent-polymers-by-capillarity-driven-solvent-evaporation-application-to-microtagging.html -
M. Assante, L. Candela, D. Castelli, G. Coro, F. Mangiacrapa, P. Pagano and C. Perciante: "Enacting Open Science by gCube" - IWGS, 9th International Workshop on Science Gateways, Poznań (Poland)
The Open Science movement is promising to revolutionise the way science is conducted with the goal to make it more fair, solid and democratic. This revolution is destinedto remain just a wish if it is not supported by...
https://phd.dii.unipi.it/pubblicazioni/item/1635-m-assante,-l-candela,-d-castelli,-g-coro,-f-mangiacrapa,-p-pagano-and-c-perciante-enacting-open-science-by-gcube-iwgs,-9th-international-workshop-on-science-gateways,-poznań-poland.html -
Y. Tzitzikasand, Y. Marketakis, N. Minadakis, M. Mountantonakis, L. Candela, F. Mangiacrapa, P. Pagano, C. Perciante, D. Castelli, and M. Taconet: "Towards a Global Record of Stocks and Fisheries" - HAICTA, Sept. 2017, Chania, Crete, Greece
The collation of information for the monitoring of fish stocks and fisheries is a difficult and time-consuming task, as the information is scattered across different databases and is modelled using different formats and semantics. Our purpose is to...
https://phd.dii.unipi.it/pubblicazioni/item/1634-y-tzitzikasand,-y-marketakis,-n-minadakis,-m-mountantonakis,-l-candela,-f-mangiacrapa,-p-pagano,-c-perciante,-d-castelli,-and-m-taconet-towards-a-global-record-of-stocks-and-fisheries-haicta,-sept-2017,-chania,-crete,-greece.html -
D. Davalle, A. Leoni, L. dello Sterpaio, L. Fannuci, "Design and implementation of test equipment for SpaceFibre links", Yokohama, Japan, December 2016
SpaceFibre is the upcoming European standard for on-board high-speed communications. The need for data-rate beyond 1 Gb/s is already present in space missions, and it is currently fulfilled by non-standard approaches based on Serialiser/Deserialiser...
https://phd.dii.unipi.it/pubblicazioni/item/1630-daniele-davalle,-alessandro-leoni,-luca-dello-sterpaio,-luca-fannuci,-design-and-implementation-of-test-equipment-for-spacefibre-links-,-yokohama,-japan,-october-2016.html -
A. Leoni, F. Siegle, "SpaceFibre Transaction Layer", 27th SpaceWire Working Group, ESTEC, ESA, Noordwijk, Netherlands, September 19th, 2017
The presentation analyzes the currently missing features in SpaceFibre, with a special focus about the fulfillment of the OSRA requirements. Some possible solutions are proposed (Time-slot guardian, Wormhole timeout), supported by simulation results.
https://phd.dii.unipi.it/pubblicazioni/item/1629-alessandro-leoni,-felix-siegle,-spacefibre-transaction-layer-,-estec,-esa,-noordwijk,-netherlands,-september-19,-2017.html -
A. Leoni, D. Davalle, L. Fanucci, "ARM-based embedded system for SpaceFibre Link Analyzer", Em-bedded World, Nuremberg, Germany, March 2017
In this paper, a unique test equipment for SpaceFibre links is presented. The test equipment is realized as an ARM-based embedded architecture. It comprises two SpaceFibre interfaces, two SpaceWire interfaces and both a Gigabit Ethernet port and PCIe...
https://phd.dii.unipi.it/pubblicazioni/item/1628-arm-based-embedded-system-for-spacefibre-link-analyzer.html -
Della Santina, C., Bianchi, M., Grioli, G., Angelini, F., Catalano, M., Garabini, M., & Bicchi, A. (2017). Controlling Soft Robots. IEEE Robotics & Automation Magazine.
Soft robots (SRs) represent one of the most significant recent evolutions in robotics. Designed to embody safe and natural behaviors, they rely on compliant physical structures purposefully designed to embody desirable and sometimes variable impedance...
https://phd.dii.unipi.it/pubblicazioni/item/1627-della-santina,-c-,-bianchi,-m-,-grioli,-g-,-angelini,-f-,-catalano,-m-,-garabini,-m-,-bicchi,-a-2017-controlling-soft-robots-ieee-robotics-automation-magazine.html -
A FE tool to simulate a trans-catheter anchorbased system for mitral valve regurgitation. E. Gasparotti , E. Vignali , K. Capellini , G. Vivoli , A.G. Cerillo , V. Positano , S. Berti , L. Landini ,S. Celi. ESB-ITA Congress 2017
Mitral Regurgitation (MR) is an alteration of normal mitral valve (MV) function that leads to mitral insufficiency. Undersized Mitral Annuloplasty (MA) is the preferred surgical treatment for chronic ischemic mitral regurgitation. However, the preferred...
https://phd.dii.unipi.it/pubblicazioni/item/1624-a-fe-tool-to-simulate-a-trans-catheter-anchorbased-system-for-mitral-valve-regurgitation-e-gasparotti-,-e-vignali-,-k-capellini-,-g-vivoli-,-a-g-cerillo-,-v-positano-,-s-berti-,-l-landini-,s-celi.html -
A morphological and mechano-biological comparison between ascending thoracic aneurysms with bicuspid and tricuspid via in-vivo and ex-vivo investigation. E. Vignali, K. Capellini, S. Celi, P. Losi, G. Vivoli, E. Cerone et al. ESC Congress 2017
Current clinical intervention criteria for ascending thoracic aneurysms (ATAAs) are based on the maximum diameter value, however rupture may occur even at smaller dilatation levels. Moreover, the presence of the bicuspid aortic valve complication (BAV)...
https://phd.dii.unipi.it/pubblicazioni/item/1623-a-morphological-and-mechano-biological-comparison-between-ascending-thoracic-aneurysms-with-bicuspid-and-tricuspid-via-in-vivo-and-ex-vivo-investigation-e-vignali,-k-capellini,-s-celi,-p-losi,-g-vivoli,-e-cerone-et-al-esc-congress-2017.html
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