activity
20192026
most citedA survey on modern trainable activation functions

575 citations · 880 across the 16 of their papers we have counts for

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Showing cs.LGShow all

15 papers · 1 filter

cs.LG2026

The Impact of Stochasticity on the Rashomon Effect in Machine Learning

Andrea Apicella, Francesco Isgrò, Andrea Pollastro +1

Neural network training is inherently stochastic, with factors such as weight initialization leading to distinct models despite comparable predictive performance. This phenomenon i…

cs.LG2026

Instance-Adaptive Parametrization for Amortized Variational Inference

Andrea Pollastro, Andrea Apicella, Francesco Isgrò +1

Variational autoencoders (VAEs) rely on amortized variational inference to enable efficient posterior approximation, but this efficiency comes at the cost of a shared parametrizati…

cs.LG2026★ 1 cited

Don't stop me now: How Validation Criteria Affect Checkpoint Selection and Early Stopping

Andrea Apicella, Francesco Isgrò, Andrea Pollastro +1

Checkpoint selection is a standard component of neural network training, yet the validation criterion used to select a checkpoint is often chosen heuristically. Moreover, the same…

cs.LG2025

IMPACTX: improving model performance by appropriately constraining the training with teacher explanations

Andrea Apicella, Salvatore Giugliano, Francesco Isgrò +2

The eXplainable Artificial Intelligence (XAI) research predominantly concentrates to provide explainations about AI model decisions, especially Deep Learning (DL) models. However,…

cs.LG2024

Towards a general framework for improving the performance of classifiers using XAI methods

Andrea Apicella, Salvatore Giugliano, Francesco Isgrò +1

Modern Artificial Intelligence (AI) systems, especially Deep Learning (DL) models, poses challenges in understanding their inner workings by AI researchers. eXplainable Artificial…

cs.LG2024★ 73 cited

Don't Push the Button! Exploring Data Leakage Risks in Machine Learning and Transfer Learning

Andrea Apicella, Francesco Isgrò, Roberto Prevete

Machine Learning (ML) has revolutionized various domains, offering predictive capabilities in several areas. However, with the increasing accessibility of ML tools, many practition…

cs.LG2023★ 7 cited

Hidden Classification Layers: Enhancing linear separability between classes in neural networks layers

Andrea Apicella, Francesco Isgrò, Roberto Prevete

In the context of classification problems, Deep Learning (DL) approaches represent state of art. Many DL approaches are based on variations of standard multi-layer feed-forward neu…

cs.LG2022★ 55 cited

Toward cross-subject and cross-session generalization in EEG-based emotion recognition: Systematic review, taxonomy, and methods

Andrea Apicella, Pasquale Arpaia, Giovanni D'Errico +4

A systematic review on machine-learning strategies for improving generalizability (cross-subjects and cross-sessions) electroencephalography (EEG) based in emotion classification w…

cs.LG2022★ 10 cited

Toward the application of XAI methods in EEG-based systems

Andrea Apicella, Francesco Isgrò, Andrea Pollastro +1

An interesting case of the well-known Dataset Shift Problem is the classification of Electroencephalogram (EEG) signals in the context of Brain-Computer Interface (BCI). The non-st…

cs.LG2022★ 71 cited

On The Effects Of Data Normalisation For Domain Adaptation On EEG Data

Andrea Apicella, Francesco Isgrò, Andrea Pollastro +1

In the Machine Learning (ML) literature, a well-known problem is the Dataset Shift problem where, differently from the ML standard hypothesis, the data in the training and test set…

cs.LG2021★ 17 cited

Exploiting auto-encoders and segmentation methods for middle-level explanations of image classification systems

Andrea Apicella, Salvatore Giugliano, Francesco Isgrò +1

A central issue addressed by the rapidly growing research area of eXplainable Artificial Intelligence (XAI) is to provide methods to give explanations for the behaviours of Machine…

cs.LG2021★ 28 cited

Adaptive Filters in Graph Convolutional Neural Networks

Andrea Apicella, Francesco Isgrò, Andrea Pollastro +1

Over the last few years, we have witnessed the availability of an increasing data generated from non-Euclidean domains, which are usually represented as graphs with complex relatio…

cs.LG2020★ 1 cited

A general approach to compute the relevance of middle-level input features

Andrea Apicella, Salvatore Giugliano, Francesco Isgrò +1

This work proposes a novel general framework, in the context of eXplainable Artificial Intelligence (XAI), to construct explanations for the behaviour of Machine Learning (ML) mode…

cs.LG2020★ 575 cited

A survey on modern trainable activation functions

Andrea Apicella, Francesco Donnarumma, Francesco Isgrò +1

In neural networks literature, there is a strong interest in identifying and defining activation functions which can improve neural network performance. In recent years there has b…

cs.LG2019★ 41 cited

A simple and efficient architecture for trainable activation functions

Andrea Apicella, Francesco Isgrò, Roberto Prevete

Learning automatically the best activation function for the task is an active topic in neural network research. At the moment, despite promising results, it is still difficult to d…