Search Results for author: Gian Antonio Susto

Found 30 papers, 8 papers with code

Enabling Efficient and Flexible Interpretability of Data-driven Anomaly Detection in Industrial Processes with AcME-AD

1 code implementation29 Apr 2024 Valentina Zaccaria, Chiara Masiero, David Dandolo, Gian Antonio Susto

While Machine Learning has become crucial for Industry 4. 0, its opaque nature hinders trust and impedes the transformation of valuable insights into actionable decision, a challenge exacerbated in the evolving Industry 5. 0 with its human-centric focus.

Anomaly Detection

Multi-Label Continual Learning for the Medical Domain: A Novel Benchmark

no code implementations10 Apr 2024 Marina Ceccon, Davide Dalle Pezze, Alessandro Fabris, Gian Antonio Susto

This method aims to mitigate forgetting while adapting to new classes and domain shifts by combining the advantages of the Replay and Pseudo-Label methods and solving their limitations in the proposed scenario.

Class Incremental Learning Incremental Learning +2

A Fairness-Oriented Reinforcement Learning Approach for the Operation and Control of Shared Micromobility Services

no code implementations23 Mar 2024 Luca Vittorio Piron, Matteo Cederle, Marina Ceccon, Federico Chiariotti, Alessandro Fabris, Marco Fabris, Gian Antonio Susto

As Machine Learning systems become increasingly popular across diverse application domains, including those with direct human implications, the imperative of equity and algorithmic fairness has risen to prominence in the Artificial Intelligence community.

Fairness Q-Learning

AcME-AD: Accelerated Model Explanations for Anomaly Detection

no code implementations2 Mar 2024 Valentina Zaccaria, David Dandolo, Chiara Masiero, Gian Antonio Susto

Pursuing fast and robust interpretability in Anomaly Detection is crucial, especially due to its significance in practical applications.

Anomaly Detection Decision Making +2

Exploiting Estimation Bias in Deep Double Q-Learning for Actor-Critic Methods

no code implementations14 Feb 2024 Alberto Sinigaglia, Niccolò Turcato, Alberto Dalla Libera, Ruggero Carli, Gian Antonio Susto

This paper introduces innovative methods in Reinforcement Learning (RL), focusing on addressing and exploiting estimation biases in Actor-Critic methods for continuous control tasks, using Deep Double Q-Learning.

Computational Efficiency Continuous Control +2

Bayesian Deep Learning for Remaining Useful Life Estimation via Stein Variational Gradient Descent

1 code implementation2 Feb 2024 Luca Della Libera, Jacopo Andreoli, Davide Dalle Pezze, Mirco Ravanelli, Gian Antonio Susto

In particular, we show through experimental studies on simulated run-to-failure turbofan engine degradation data that Bayesian deep learning models trained via Stein variational gradient descent consistently outperform with respect to convergence speed and predictive performance both the same models trained via parametric variational inference and their frequentist counterparts trained via backpropagation.

Variational Inference

Heterogeneous Domain Adaptation and Equipment Matching: DANN-based Alignment with Cyclic Supervision (DBACS)

no code implementations3 Jan 2023 Natalie Gentner, Gian Antonio Susto

Motivated by the need to transfer and standardize established processes to different, non-identical environments and by the challenge of adapting to heterogeneous data representations, this work introduces the Domain Adaptation Neural Network with Cyclic Supervision (DBACS) approach.

Domain Adaptation MULTI-VIEW LEARNING +1

Continual Learning Approaches for Anomaly Detection

1 code implementation21 Dec 2022 Davide Dalle Pezze, Eugenia Anello, Chiara Masiero, Gian Antonio Susto

The proposed technique scales and compresses the original images using a Super Resolution model which, to the best of our knowledge, is studied for the first time in the Continual Learning setting.

Anomaly Detection Continual Learning +2

Band Relevance Factor (BRF): a novel automatic frequency band selection method based on vibration analysis for rotating machinery

no code implementations4 Dec 2022 Lucas Costa Brito, Gian Antonio Susto, Jorge Nei Brito, Marcus Antonio Viana Duarte

The monitoring of rotating machinery has now become a fundamental activity in the industry, given the high criticality in production processes.

Fault Diagnosis using eXplainable AI: a Transfer Learning-based Approach for Rotating Machinery exploiting Augmented Synthetic Data

no code implementations6 Oct 2022 Lucas Costa Brito, Gian Antonio Susto, Jorge Nei Brito, Marcus Antonio Viana Duarte

Artificial Intelligence (AI) is one of the approaches that has been proposed to analyze the collected data (e. g., vibration signals) providing a diagnosis of the asset's operating condition.

Decision Making Explainable artificial intelligence +2

Active Learning-based Isolation Forest (ALIF): Enhancing Anomaly Detection in Decision Support Systems

no code implementations8 Jul 2022 Elisa Marcelli, Tommaso Barbariol, Gian Antonio Susto

The detection of anomalous behaviours is an emerging need in many applications, particularly in contexts where security and reliability are critical aspects.

Active Learning Anomaly Detection

On the Properties of Adversarially-Trained CNNs

no code implementations17 Mar 2022 Mattia Carletti, Matteo Terzi, Gian Antonio Susto

Adversarial Training has proved to be an effective training paradigm to enforce robustness against adversarial examples in modern neural network architectures.

Learning to Rank from Relevance Judgments Distributions

1 code implementation13 Feb 2022 Alberto Purpura, Gianmaria Silvello, Gian Antonio Susto

Learning to Rank (LETOR) algorithms are usually trained on annotated corpora where a single relevance label is assigned to each available document-topic pair.

Learning-To-Rank

AcME -- Accelerated Model-agnostic Explanations: Fast Whitening of the Machine-Learning Black Box

no code implementations23 Dec 2021 David Dandolo, Chiara Masiero, Mattia Carletti, Davide Dalle Pezze, Gian Antonio Susto

In the context of human-in-the-loop Machine Learning applications, like Decision Support Systems, interpretability approaches should provide actionable insights without making the users wait.

BIG-bench Machine Learning Feature Importance

Improving Robustness with Image Filtering

no code implementations21 Dec 2021 Matteo Terzi, Mattia Carletti, Gian Antonio Susto

By leveraging the IGE representation, we build a new defense method, Filtering As a Defense, that does not allow the attacker to entangle pixels to create malicious patterns.

Adversarial Robustness Data Augmentation

TiWS-iForest: Isolation Forest in Weakly Supervised and Tiny ML scenarios

1 code implementation30 Nov 2021 Tommaso Barbariol, Gian Antonio Susto

Unsupervised anomaly detection tackles the problem of finding anomalies inside datasets without the labels availability; since data tagging is typically hard or expensive to obtain, such approaches have seen huge applicability in recent years.

Unsupervised Anomaly Detection

Lazy FSCA for Unsupervised Variable Selection

1 code implementation3 Mar 2021 Federico Zocco, Marco Maggipinto, Gian Antonio Susto, Seán McLoone

In this paper a "lazy" implementation of the FSCA algorithm (L-FSCA) is proposed, which, although not equivalent to FSCA due to the absence of submodularity, has the potential to yield comparable performance while being up to an order of magnitude faster to compute.

Dimensionality Reduction Variable Selection

Neural Feature Selection for Learning to Rank

no code implementations22 Feb 2021 Alberto Purpura, Karolina Buchner, Gianmaria Silvello, Gian Antonio Susto

LEarning TO Rank (LETOR) is a research area in the field of Information Retrieval (IR) where machine learning models are employed to rank a set of items.

feature selection Information Retrieval +2

$β$-Variational Classifiers Under Attack

no code implementations20 Aug 2020 Marco Maggipinto, Matteo Terzi, Gian Antonio Susto

Deep Neural networks have gained lots of attention in recent years thanks to the breakthroughs obtained in the field of Computer Vision.

IntroVAC: Introspective Variational Classifiers for Learning Interpretable Latent Subspaces

no code implementations3 Aug 2020 Marco Maggipinto, Matteo Terzi, Gian Antonio Susto

Learning useful representations of complex data has been the subject of extensive research for many years.

Proximal Deterministic Policy Gradient

no code implementations3 Aug 2020 Marco Maggipinto, Gian Antonio Susto, Pratik Chaudhari

This paper introduces two simple techniques to improve off-policy Reinforcement Learning (RL) algorithms.

Continuous Control reinforcement-learning +1

Adversarial Training Reduces Information and Improves Transferability

no code implementations22 Jul 2020 Matteo Terzi, Alessandro Achille, Marco Maggipinto, Gian Antonio Susto

Recent results show that features of adversarially trained networks for classification, in addition to being robust, enable desirable properties such as invertibility.

Interpretable Anomaly Detection with DIFFI: Depth-based Isolation Forest Feature Importance

1 code implementation21 Jul 2020 Mattia Carletti, Matteo Terzi, Gian Antonio Susto

Anomaly Detection is an unsupervised learning task aimed at detecting anomalous behaviours with respect to historical data.

Feature Importance feature selection +1

Directional Adversarial Training for Cost Sensitive Deep Learning Classification Applications

no code implementations8 Oct 2019 Matteo Terzi, Gian Antonio Susto, Pratik Chaudhari

Adversarial Training is a training procedure aiming at providing models that are robust to worst-case perturbations around predefined points.

Classification General Classification

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