Search Results for author: Eleonora Grassucci

Found 20 papers, 14 papers with code

Lightweight Diffusion Models for Resource-Constrained Semantic Communication

1 code implementation3 Oct 2024 Giovanni Pignata, Eleonora Grassucci, Giordano Cicchetti, Danilo Comminiello

Despite their impressive ability to regenerate content from the compressed semantic information received, generative models pose crucial challenges for communication systems in terms of high memory footprints and heavy computational load.

Quantization Semantic Communication

Language-Oriented Semantic Latent Representation for Image Transmission

1 code implementation16 May 2024 Giordano Cicchetti, Eleonora Grassucci, Jihong Park, Jinho Choi, Sergio Barbarossa, Danilo Comminiello

In the new paradigm of semantic communication (SC), the focus is on delivering meanings behind bits by extracting semantic information from raw data.

Image to text Semantic Communication

Rethinking Multi-User Semantic Communications with Deep Generative Models

no code implementations16 May 2024 Eleonora Grassucci, Jinho Choi, Jihong Park, Riccardo F. Gramaccioni, Giordano Cicchetti, Danilo Comminiello

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 are posing.

Semantic Communication

Demystifying the Hypercomplex: Inductive Biases in Hypercomplex Deep Learning

no code implementations11 May 2024 Danilo Comminiello, Eleonora Grassucci, Danilo P. Mandic, Aurelio Uncini

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 superior results when dealing with multidimensional signals in real-world 3D and 4D paradigms.

Deep Learning Inductive Bias

Towards Explaining Hypercomplex Neural Networks

1 code implementation26 Mar 2024 Eleonora Lopez, Eleonora Grassucci, Debora Capriotti, Danilo Comminiello

To achieve this, we define a type of cosine-similarity transform within the parameterized hypercomplex domain.

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

no code implementations10 Jan 2024 Eleonora Grassucci, Jihong Park, Sergio Barbarossa, Seong-Lyun Kim, Jinho Choi, Danilo Comminiello

Disclosing generative models capabilities in semantic communication paves the way for a paradigm shift with respect to conventional communication systems, which has great potential to reduce the amount of data traffic and offers a revolutionary versatility to novel tasks and applications that were not even conceivable a few years ago.

Denoising Semantic Communication

Generalizing Medical Image Representations via Quaternion Wavelet Networks

1 code implementation16 Oct 2023 Luigi Sigillo, Eleonora Grassucci, Aurelio Uncini, Danilo Comminiello

The proposed quaternion wavelet network (QUAVE) can be easily integrated with any pre-existing medical image analysis or synthesis task, and it can be involved with real, quaternion, or hypercomplex-valued models, generalizing their adoption to single-channel data.

Medical Image Analysis

Hypercomplex Multimodal Emotion Recognition from EEG and Peripheral Physiological Signals

1 code implementation11 Oct 2023 Eleonora Lopez, Eleonora Chiarantano, Eleonora Grassucci, Danilo Comminiello

Multimodal emotion recognition from physiological signals is receiving an increasing amount of attention due to the impossibility to control them at will unlike behavioral reactions, thus providing more reliable information.

EEG Multimodal Emotion Recognition

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

no code implementations11 Oct 2023 Guilherme Vieira, Eleonora Grassucci, Marcos Eduardo Valle, Danilo Comminiello

To overcome these limitations, we employ a dual quaternion representation of rigid motions in the 3D space that jointly describes rotations and translations of point sets, processing each of the points as a single entity.

Human Pose Forecasting

PHYDI: Initializing Parameterized Hypercomplex Neural Networks as Identity Functions

1 code implementation11 Oct 2023 Matteo Mancanelli, Eleonora Grassucci, Aurelio Uncini, Danilo Comminiello

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

Enhancing Semantic Communication with Deep Generative Models -- An ICASSP Special Session Overview

no code implementations5 Sep 2023 Eleonora Grassucci, Yuki Mitsufuji, Ping Zhang, Danilo Comminiello

Semantic communication is poised to play a pivotal role in shaping the landscape of future AI-driven communication systems.

Semantic Communication

Generative Semantic Communication: Diffusion Models Beyond Bit Recovery

1 code implementation7 Jun 2023 Eleonora Grassucci, Sergio Barbarossa, Danilo Comminiello

We prove, through an in-depth assessment of multiple scenarios, that our method outperforms existing solutions in generating high-quality images with preserved semantic information even in cases where the received content is significantly degraded.

Semantic Communication

Hypercomplex Image-to-Image Translation

1 code implementation4 May 2022 Eleonora Grassucci, Luigi Sigillo, Aurelio Uncini, Danilo Comminiello

Image-to-image translation (I2I) aims at transferring the content representation from an input domain to an output one, bouncing along different target domains.

Image-to-Image Translation Translation

Multi-View Hypercomplex Learning for Breast Cancer Screening

1 code implementation12 Apr 2022 Eleonora Lopez, Eleonora Grassucci, Martina Valleriani, Danilo Comminiello

To overcome such limitations, in this paper, we propose a methodological approach for multi-view breast cancer classification based on parameterized hypercomplex neural networks.

 Ranked #1 on Cancer-no cancer per breast classification on InBreast (using extra training data)

Breast Tumour Classification Cancer Classification +4

Dual Quaternion Ambisonics Array for Six-Degree-of-Freedom Acoustic Representation

1 code implementation4 Apr 2022 Eleonora Grassucci, Gioia Mancini, Christian Brignone, Aurelio Uncini, Danilo Comminiello

We show that our dual quaternion SELD model with temporal convolution blocks (DualQSELD-TCN) achieves better results with respect to real and quaternion-valued baselines thanks to our augmented representation of the sound field.

Sound Event Localization and Detection

PHNNs: Lightweight Neural Networks via Parameterized Hypercomplex Convolutions

4 code implementations8 Oct 2021 Eleonora Grassucci, Aston Zhang, Danilo Comminiello

In this paper, we define the parameterization of hypercomplex convolutional layers and introduce the family of parameterized hypercomplex neural networks (PHNNs) that are lightweight and efficient large-scale models.

Sound Event Detection

Quaternion Generative Adversarial Networks

3 code implementations19 Apr 2021 Eleonora Grassucci, Edoardo Cicero, Danilo Comminiello

Latest Generative Adversarial Networks (GANs) are gathering outstanding results through a large-scale training, thus employing models composed of millions of parameters requiring extensive computational capabilities.

Image Generation

A Quaternion-Valued Variational Autoencoder

3 code implementations22 Oct 2020 Eleonora Grassucci, Danilo Comminiello, Aurelio Uncini

Deep probabilistic generative models have achieved incredible success in many fields of application.

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