Search Results for author: Matteo Tiezzi

Found 16 papers, 7 papers with code

On the Resurgence of Recurrent Models for Long Sequences -- Survey and Research Opportunities in the Transformer Era

no code implementations12 Feb 2024 Matteo Tiezzi, Michele Casoni, Alessandro Betti, Tommaso Guidi, Marco Gori, Stefano Melacci

A longstanding challenge for the Machine Learning community is the one of developing models that are capable of processing and learning from very long sequences of data.

Neural Time-Reversed Generalized Riccati Equation

no code implementations14 Dec 2023 Alessandro Betti, Michele Casoni, Marco Gori, Simone Marullo, Stefano Melacci, Matteo Tiezzi

This paper introduces a novel neural-based approach to optimal control, with the aim of working forward-in-time.

Continual Learning with Pretrained Backbones by Tuning in the Input Space

no code implementations5 Jun 2023 Simone Marullo, Matteo Tiezzi, Marco Gori, Stefano Melacci, Tinne Tuytelaars

The intrinsic difficulty in adapting deep learning models to non-stationary environments limits the applicability of neural networks to real-world tasks.

Continual Learning Image Classification

PARTIME: Scalable and Parallel Processing Over Time with Deep Neural Networks

1 code implementation17 Oct 2022 Enrico Meloni, Lapo Faggi, Simone Marullo, Alessandro Betti, Matteo Tiezzi, Marco Gori, Stefano Melacci

nature of the streamed data with samples that are smoothly evolving over time for efficient gradient computations.

Stochastic Coherence Over Attention Trajectory For Continuous Learning In Video Streams

1 code implementation26 Apr 2022 Matteo Tiezzi, Simone Marullo, Lapo Faggi, Enrico Meloni, Alessandro Betti, Stefano Melacci

Our experiments leverage 3D virtual environments and they show that the proposed agents can learn to distinguish objects just by observing the video stream.

Graph Neural Networks for Graph Drawing

no code implementations21 Sep 2021 Matteo Tiezzi, Gabriele Ciravegna, Marco Gori

Graph Drawing techniques have been developed in the last few years with the purpose of producing aesthetically pleasing node-link layouts.

Messing Up 3D Virtual Environments: Transferable Adversarial 3D Objects

1 code implementation17 Sep 2021 Enrico Meloni, Matteo Tiezzi, Luca Pasqualini, Marco Gori, Stefano Melacci

In the last few years, the scientific community showed a remarkable and increasing interest towards 3D Virtual Environments, training and testing Machine Learning-based models in realistic virtual worlds.

Benchmarking BIG-bench Machine Learning

Evaluating Continual Learning Algorithms by Generating 3D Virtual Environments

no code implementations16 Sep 2021 Enrico Meloni, Alessandro Betti, Lapo Faggi, Simone Marullo, Matteo Tiezzi, Stefano Melacci

However, in order to devise continual learning algorithms that operate in more realistic conditions, it is fundamental to gain access to rich, fully customizable and controlled experimental playgrounds.

Continual Learning

Friendly Training: Neural Networks Can Adapt Data To Make Learning Easier

no code implementations21 Jun 2021 Simone Marullo, Matteo Tiezzi, Marco Gori, Stefano Melacci

In the last decade, motivated by the success of Deep Learning, the scientific community proposed several approaches to make the learning procedure of Neural Networks more effective.

SAILenv: Learning in Virtual Visual Environments Made Simple

1 code implementation16 Jul 2020 Enrico Meloni, Luca Pasqualini, Matteo Tiezzi, Marco Gori, Stefano Melacci

Recently, researchers in Machine Learning algorithms, Computer Vision scientists, engineers and others, showed a growing interest in 3D simulators as a mean to artificially create experimental settings that are very close to those in the real world.

Optical Flow Estimation

Focus of Attention Improves Information Transfer in Visual Features

no code implementations NeurIPS 2020 Matteo Tiezzi, Stefano Melacci, Alessandro Betti, Marco Maggini, Marco Gori

In order to better structure the input probability distribution, we use a human-like focus of attention model that, coherently with the information maximization model, is also based on second-order differential equations.

Deep Constraint-based Propagation in Graph Neural Networks

1 code implementation5 May 2020 Matteo Tiezzi, Giuseppe Marra, Stefano Melacci, Marco Maggini

The popularity of deep learning techniques renewed the interest in neural architectures able to process complex structures that can be represented using graphs, inspired by Graph Neural Networks (GNNs).

A Lagrangian Approach to Information Propagation in Graph Neural Networks

1 code implementation18 Feb 2020 Matteo Tiezzi, Giuseppe Marra, Stefano Melacci, Marco Maggini, Marco Gori

GNNs exploit a set of state variables, each assigned to a graph node, and a diffusion mechanism of the states among neighbor nodes, to implement an iterative procedure to compute the fixed point of the (learnable) state transition function.

Local Propagation in Constraint-based Neural Network

no code implementations18 Feb 2020 Giuseppe Marra, Matteo Tiezzi, Stefano Melacci, Alessandro Betti, Marco Maggini, Marco Gori

In this paper we study a constraint-based representation of neural network architectures.

Video Surveillance of Highway Traffic Events by Deep Learning Architectures

no code implementations6 Sep 2019 Matteo Tiezzi, Stefano Melacci, Marco Maggini, Angelo Frosini

In this paper we describe a video surveillance system able to detect traffic events in videos acquired by fixed videocameras on highways.

Transfer Learning

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