4 Contributo in Atti di Convegno (Proceeding)

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Fusing Multiscale Texture and Residual Descriptors for Multilevel 2D Barcode Rebroadcasting Detection

Nowadays, 2D barcodes have been widely used for advertisement, mobile payment, and product authentication. However, in applications related to product authentication, an authentic 2D barcode can be illegally copied and attached to a counterfeited product in such a way to bypass the authentication scheme. In this paper, we employ a proprietary 2D barcode pattern and use multimedia forensics methods to analyse the scanning and printing artefacts resulting from the copy (re-broadcasting) attack....

Attacking and Defending Printer Source Attribution Classifiers in the Physical Domain

The security of machine learning classifiers has received increasing attention in the last years. In forensic applications, guaranteeing the security of the tools investigators rely on is crucial, since the gathered evidence may be used to decide about the innocence or the guilt of a suspect. Several adversarial attacks were proposed to assess such security, with a few works focusing on transferring such attacks from the digital to the physical domain. In this work, we focus on physical d...

Learning Grasping Strategies for a Soft Non-Anthropomorphic Hand from Human Demonstrations

Finding effective grasp strategies constitutes one of the main challenges in robotic manipulation, especially when dealing with soft, underactuated, and non-anthropomorphic hands. This work presents a Learning from Demonstration approach to extract grasp primitives using a novel reconfigurable soft hand, the Soft ScoopGripper (SSG). Starting from human demonstrations, we derived Gaussian models through which we were able to devise different grasping strategies, exploiting the SSG features. As...

IBM Watson Analytics for Managing Congestive Heart Failure

The purpose of this study is the evaluation of the web cloud-based analytic service IBM Watson Analytics as a tool for the management of Congestive Heart Failure (CHF). In particular, we want to assess if this service is suitable for the identification of physiological parameters able to predict outputs of interest such as disease severity, among a set of various physiological parameters and the realization of a predictive model. Using IBM Watson Analytics, we analyzed a database consisting o...

Evidence-based approach to medical equipment maintenance monitoring

Maintenance is a crucial part of the life cycle of medical equipment. We applied a specific set of codes to classify the corrective and scheduled maintenance work orders at the University Hospital of Careggi (Florence, Italy). A set of Key Performance Indicators (KPI) (financial, technological and organizational) helps in evaluating the performance of the medical equipment maintenance. The analysis of KPIs (related to costs, age and SM completion rate) revealed some problems in maintenance st...

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