activity
20202026
most citedPHNNs: Lightweight Neural Networks via Parameterized Hypercomplex Convolutions

37 citations · 146 across the 33 of their papers we have counts for

collaborators

34 papers

eess.IV2026

Trimodal Glioma Representation Alignment via Volumetric Contrastive Learning

Denise Marini, Eleonora Grassucci, Danilo Comminiello

Glioma grading and survival prediction require the integration of heterogeneous information collected at different spatial and biological scales. Histopathology describes tissue mo…

cs.CV2026

GRAMformer: Any-Order Modality Interactions via Volumetric Multimodal Cross-Attention

Giordano Cicchetti, Eleonora Grassucci, Danilo Comminiello

Transformer-based multimodal models rely on attention mechanisms to integrate information across heterogeneous modalities. Despite their success, existing multimodal attention form…

cs.CV2026

Closing the gap in multimodal medical representation alignment

Eleonora Grassucci, Giordano Cicchetti, Danilo Comminiello

In multimodal learning, CLIP has emerged as the de-facto approach for mapping different modalities into a shared latent space by bringing semantically similar representations close…

cs.LG2026

Closing the Modality Gap Aligns Group-Wise Semantics

Eleonora Grassucci, Giordano Cicchetti, Emanuele Frasca +2

In multimodal learning, CLIP has been recognized as the \textit{de facto} method for learning a shared latent space across multiple modalities, placing similar representations clos…

cs.MM2025

Controllable Audio-Visual Viewpoint Generation from 360° Spatial Information

Christian Marinoni, Riccardo Fosco Gramaccioni, Eleonora Grassucci +1

The generation of sounding videos has seen significant advancements with the advent of diffusion models. However, existing methods often lack the fine-grained control needed to gen…

cs.SD2025

FoleyGRAM: Video-to-Audio Generation with GRAM-Aligned Multimodal Encoders

Riccardo Fosco Gramaccioni, Christian Marinoni, Eleonora Grassucci +3

In this work, we present FoleyGRAM, a novel approach to video-to-audio generation that emphasizes semantic conditioning through the use of aligned multimodal encoders. Building on…

cs.LG2025

A TRIANGLE Enables Multimodal Alignment Beyond Cosine Similarity

Giordano Cicchetti, Eleonora Grassucci, Danilo Comminiello

Multimodal learning plays a pivotal role in advancing artificial intelligence systems by incorporating information from multiple modalities to build a more comprehensive representa…

cs.LG2025

Training-Free Multimodal Guidance for Video to Audio Generation

Eleonora Grassucci, Giuliano Galadini, Giordano Cicchetti +3

Video-to-audio (V2A) generation aims to synthesize realistic and semantically aligned audio from silent videos, with potential applications in video editing, Foley sound design, an…

cs.LG2025

Semantic Compression via Multimodal Representation Learning

Eleonora Grassucci, Giordano Cicchetti, Aurelio Uncini +1

Multimodal representation learning produces high-dimensional embeddings that align diverse modalities in a shared latent space. While this enables strong generalization, it also in…

cs.CY2025

Beyond Answers: How LLMs Can Pursue Strategic Thinking in Education

Eleonora Grassucci, Gualtiero Grassucci, Aurelio Uncini +1

Artificial Intelligence (AI) holds transformative potential in education, enabling personalized learning, enhancing inclusivity, and encouraging creativity and curiosity. In this p…

cs.CV2024

Gramian Multimodal Representation Learning and Alignment

Giordano Cicchetti, Eleonora Grassucci, Luigi Sigillo +1

Human perception integrates multiple modalities, such as vision, hearing, and language, into a unified understanding of the surrounding reality. While recent multimodal models have…

eess.SP2024★ 7 cited

Lightweight Diffusion Models for Resource-Constrained Semantic Communication

Giovanni Pignata, Eleonora Grassucci, Giordano Cicchetti +1

Recently, generative semantic communication models have proliferated as they are revolutionizing semantic communication frameworks, improving their performance, and opening the way…

cs.CV2024

Language-Oriented Semantic Latent Representation for Image Transmission

Giordano Cicchetti, Eleonora Grassucci, Jihong Park +3

In the new paradigm of semantic communication (SC), the focus is on delivering meanings behind bits by extracting semantic information from raw data. Recent advances in data-to-tex…

cs.LG2024

Demystifying the Hypercomplex: Inductive Biases in Hypercomplex Deep Learning

Danilo Comminiello, Eleonora Grassucci, Danilo P. Mandic +1

Hypercomplex algebras have recently been gaining prominence in the field of deep learning owing to the advantages of their division algebras over real vector spaces and their super…

eess.SP2024★ 3 cited

Training-Free Multi-User Generative Semantic Communications via Null-Space Diffusion Sampling

Eleonora Grassucci, Jinho Choi, Jihong Park +3

In recent years, novel communication strategies have emerged to face the challenges that the increased number of connected devices and the higher quality of transmitted information…

cs.CV2024

Towards Explaining Hypercomplex Neural Networks

Eleonora Lopez, Eleonora Grassucci, Debora Capriotti +1

Hypercomplex neural networks are gaining increasing interest in the deep learning community. The attention directed towards hypercomplex models originates from several aspects, spa…

cs.IT2024

Semantic Communication Challenges: Understanding Dos and Avoiding Don'ts

Jinho Choi, Jihong Park, Eleonora Grassucci +1

Semantic communication, emerging as a promising paradigm for data transmission, offers an innovative departure from the constraints of Shannon theory, heralding significant advance…

cs.CL2024★ 7 cited

Generative AI Meets Semantic Communication: Evolution and Revolution of Communication Tasks

Eleonora Grassucci, Jihong Park, Sergio Barbarossa +3

While deep generative models are showing exciting abilities in computer vision and natural language processing, their adoption in communication frameworks is still far underestimat…

cs.HC2023

Hypercomplex Multimodal Emotion Recognition from EEG and Peripheral Physiological Signals

Eleonora Lopez, Eleonora Chiarantano, Eleonora Grassucci +1

Multimodal emotion recognition from physiological signals is receiving an increasing amount of attention due to the impossibility to control them at will unlike behavioral reaction…

cs.AI2023

Dual Quaternion Rotational and Translational Equivariance in 3D Rigid Motion Modelling

Guilherme Vieira, Eleonora Grassucci, Marcos Eduardo Valle +1

Objects' rigid motions in 3D space are described by rotations and translations of a highly-correlated set of points, each with associated coordinates that real-valued netwo…

cs.LG2023

PHYDI: Initializing Parameterized Hypercomplex Neural Networks as Identity Functions

Matteo Mancanelli, Eleonora Grassucci, Aurelio Uncini +1

Neural models based on hypercomplex algebra systems are growing and prolificating for a plethora of applications, ranging from computer vision to natural language processing. Hand…

eess.IV2023★ 9 cited

Generalizing Medical Image Representations via Quaternion Wavelet Networks

Luigi Sigillo, Eleonora Grassucci, Aurelio Uncini +1

Neural network generalizability is becoming a broad research field due to the increasing availability of datasets from different sources and for various tasks. This issue is even w…

eess.IV2023★ 2 cited

Attention-Map Augmentation for Hypercomplex Breast Cancer Classification

Eleonora Lopez, Filippo Betello, Federico Carmignani +2

Breast cancer is the most widespread neoplasm among women and early detection of this disease is critical. Deep learning techniques have become of great interest to improve diagnos…

cs.SD2023

Diffusion models for audio semantic communication

Eleonora Grassucci, Christian Marinoni, Andrea Rodriguez +1

Directly sending audio signals from a transmitter to a receiver across a noisy channel may absorb consistent bandwidth and be prone to errors when trying to recover the transmitted…