Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 127 for “"Settore ING-INF/05 - Sistemi di Elaborazione delle Informazioni"”.
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Guaranteeing Communication Quality in Real World WSN Deployments
… physical one. The interaction over a wireless medium is simultaneously the technology enabler and the primary hindering factor. The complexity and variability of the behavior of low power wireless communication is one of the challenges making the design and deployment of a system based on this …
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Evaluating Adversarial Robustness of Detection-based Defenses against Adversarial Examples
Machine Learning algorithms provide astonishing performance in a wide range of tasks, including sensitive and critical applications. On the other hand, it has been shown that they are vulnerable to adversarial attacks, a set of techniques that violate the integrity, confidentiality, or availability …
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Unmasking Deepfakes, Adversarial Attacks, and Mobile Users in The Deep Learning Era
… systems into society is continually increasing, thanks to their rapid solutions that are often more efficient than those of humans. Since these technologies process personal data, they need to be robust and secure. This thesis examines these crucial factors, investigating the vulnerabilities …
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The Art of Fingerprint Spoofing
The natural instinct of every human being is to want to protect themselves from their surroundings. Starting from the classic passwords required to access specific information, we moved on to safer and more accurate methods based on the specific characteristics of each user: biometrics. The first …
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Adaptation in Non-Parametric State Estimation with Application to People Tracking
… systems has brought in as many challenges as disadvantages. While the integration of multiple cameras into a network has the potential advantage of fusing complementary observations from sensors and enlarging visual coverage, it also increases the complexity of tracking tasks and poses …
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Detecting Brain Effective Connectivity with Supervised and Bayesian Methods
… has drawn the attention of researchers from many different fields for centuries. In particular, nowadays causal inference is a central question in neuroscience and an entire body of research, called brain effective connectivity, is devoted to detecting causal interactions between distinct brain …
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Multimodal Personality Recognition from Audiovisual Data
… behavior analysis lies at the intersection of different social and technical research domains. The interdisciplinarity of the field, provides researchers with the means to study the manifestations of human constructs, such as personality. A branch of human behavior analyis, the study of …
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Designing Wearables for Climbing: Integrating the Practice and the Experience Perspectives of Outdoor Adventure Sports
… HCI for sport and addresses the topic of designing wearable devices for sport. To date, the design of wearables for sport has focused on the measurable aspects of performance such as speed, heartbeat and calories burnt. Such design is driven by the possibilities offered by the miniaturisation of …
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Implicit Culture Framework for behavior transfer. Definition, implementation and applications
People belong to different communities: business communities, Web 2.0 communities, religious communities, scientific communities, just to name a few. Everyone can belong to and acquire experience in more than one community. This experience is related to the community activity and comes in the form …
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Holistic Security Requirements Engineering for Socio-Technical Systems
Security has been a growing concern for large organizations, especially financial and gov- ernmental institutions, as security breaches in the systems they depend have repeatedly resulted in losses of billions per year, and this cost is on the rise. A primary reason for these breaches is the …
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Techniques for robust source separation and localization in adverse environments: Issues and performance of a new framework of emerging techniques for frequency-domain convolutive blind/semi-blind separation and localization of acoustic sources
… is a relatively recent topic of signal processing which aims to simultaneously separate many acoustic sources recorded through one or more microphones. Such a problem was formulated to emulate the natural capability of the human auditory system which is able to recognize and enhance the sound …
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Data mining techniques for complex application domains
… form in a number of application domains including healthcare, e- business, and e-learning. Everyday a large amount of records are stored electronically. However, finding useful information from such a large data collection is a challenging issue. Data mining technology aims automatically …
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Design techniques for high-reliability complex electronic systems
… integrate a large number of functions inside a single system. Eventually, users want to assign mission- critical or safety-critical tasks to digital systems. This kind of delegation makes reliability a major requirement for digital systems. The activities to achieve system reliability include …
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Cybersecurity for future interconnected and smart vehicles
L'abstract è presente nell'allegato / the abstract is in the attachment
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Implementation of Machine Learning Algorithms on Ultra-Low-Power Hardware for In-Sensor Inference
L'abstract è presente nell'allegato / the abstract is in the attachment
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Fusion of fingerprint presentation attacks detection and matching: a real approach from the LivDet perspective
… system cannot ignore the vulnerability to spoofing or presentation attacks (PAs), which must be addressed by effective countermeasures from the beginning of the design process. However, despite significant improvements, especially by adopting deep learning approaches to fingerprint Presentation …
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Clustering analysis using Swarm Intelligence
… of the swarm intelligence methods in clustering analysis of datasets. The main objectives of the thesis are ∙ Take the advantage of a novel evolutionary algorithm, called artificial bee colony, to improve the capability of K-means in finding global optimum clusters in nonlinear partitional …
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Efficient Motion Planning for Wheeled Mobile Robotics
Nowadays, the field of wheeled robotics is undergoing an impressive growth and development. Different hardware and software components are being developed and applied in various contexts, including assistive robotics, industrial robotics, automotive, ... Motion Planning is a fundamental aspect for …
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Greedy Feature Selection in Tree Kernel Spaces
Tree Kernel functions are powerful tools for solving different classes of problems requiring large amounts of structured information. Combined with accurate learning algorithms, such as Support Vector Machines, they allow us to directly encode rich syntactic data in our learning problems without …
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Agon: a Gamification-Based Framework for Acceptance Requirements
… behavioral and social factors which may influence intrinsic and extrinsic motivations of the user. Operationalization techniques for Acceptance Requirements largely consist of making a game out of software usage where users are rewarded depending on the degree of their participation. The …
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