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Machine Learning

Unveiling core-collapse supernova progenitors: characterization and physical insights through explainable artificial intelligence

Core-collapse supernovae (CC-SNe) represent the final evolutionary explosive phase of sufficiently massive stars. Their characterization consists in understanding the progenitor …

Journal
Marco Grassia, Stefano Pio Cosentino, Giuseppe Mangioni, Maria Letizia Pumo
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Brain-Grasp: Graph-Based Saliency Priors for Improved FMRI-Based Visual Brain Decoding

Recent progress in brain-guided image generation has improved the quality of fMRI-based reconstructions; however, fundamental challenges remain in preserving object-level structure …

Conference
Mohammad Moradi, Morteza Moradi, Marco Grassia, Giuseppe Mangioni
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Machine-enhanced reconstruction of functional connectomes unravels discriminative brain sub-systems in health and disease

Reconstructing functional brain networks from functional Magnetic Resonance Imaging (fMRI) data typically relies on statistical pruning, where pairwise correlations between brain …

Journal
Marco Grassia, Valeria d’Andrea, Karolina Finc, Manlio De Domenico et al.
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LLMsFold: Integrating Large Language Models and Biophysical Simulations for De Novo Drug Design

Abstract The discovery of novel small molecules is challenging because of the vastness of chemical space and the complexity of protein-ligand interactions, leading to low success …

Preprint
Wageesha Widuranga, Davide Rigoni, Fabio Bove, Dario Righelli et al.
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ProtoGuide: Prototype-Driven Guidance for Class-Conditional Graph Generation

Discrete diffusion models are a prominent family for graph generation, but standard class-conditional mechanisms embed the class signal in the denoiser during training, tying the …

Preprint
Salvatore Romano, Marco Grassia, Pietro Liò, Giuseppe Mangioni
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How Well is Human Attention Preserved in fMRI-Based VisualBrain Decoding?

This paper investigates the preservation of human visual attention in brain activity patterns captured through fMRI during visual decoding tasks. We explore how well attention …

Conference
Mohammad Moradi, Morteza Moradi, Marco Grassia, Giuseppe Mangioni
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What is Wrong with Visual Brain Decoding? A Saliency-based Investigation

Recent advancements in diffusion-based image generation and large vision/language models have revolutionized visual brain decoding (VBD), driving progress in neuroscience and …

Conference
Mohammad Moradi, Morteza Moradi, Marco Grassia, Giuseppe Mangioni
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Machine Learning Supernovae’s Progenitor Characterization

In this work, we present a Deep Learning framework to predict the progenitor star’s characteristics of Supernovae (SNe) from their observed light curves. This task is crucial for …

Conference
Marco Grassia, Stefano Pio Cosentino, Maria Letizia Pumo, Giuseppe Mangioni
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Saliency Matters: From Nodes to Objects

Due to their intrinsic capabilities in capturing, modeling, and representing relationships between pieces of information, graphs have been used in a wide variety of application …

Conference
Mohammad Moradi, Morteza Moradi, Marco Grassia, Giuseppe Mangioni
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Beyond MMD: Evaluating Graph Generative Models with Geometric Deep Learning

Graph generation is a crucial task in many fields, including network science and bioinformatics, as it enables the creation of synthetic graphs that mimic the properties of …

Preprint
Salvatore Romano, Marco Grassia, Giuseppe Mangioni
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