Search Results for author: Alessandro Rozza

Found 10 papers, 1 papers with code

A survey and taxonomy of loss functions in machine learning

no code implementations13 Jan 2023 Lorenzo Ciampiconi, Adam Elwood, Marco Leonardi, Ashraf Mohamed, Alessandro Rozza

This survey aims to provide a reference of the most essential loss functions for both beginner and advanced machine learning practitioners.

regression

Maximum entropy exploration in contextual bandits with neural networks and energy based models

no code implementations12 Oct 2022 Adam Elwood, Marco Leonardi, Ashraf Mohamed, Alessandro Rozza

This provides practitioners with new techniques that perform well in static and dynamic settings, and are particularly well suited to non-linear scenarios with continuous action spaces.

Multi-Armed Bandits

Composition and Style Attributes Guided Image Aesthetic Assessment

no code implementations8 Nov 2021 Luigi Celona, Marco Leonardi, Paolo Napoletano, Alessandro Rozza

In this paper we propose a method for the automatic prediction of the aesthetics of an image that is based on the analysis of the semantic content, the artistic style and the composition of the image.

Ranking Micro-Influencers: a Novel Multi-Task Learning and Interpretable Framework

no code implementations29 Jul 2021 Adam Elwood, Alberto Gasparin, Alessandro Rozza

With the rise in use of social media to promote branded products, the demand for effective influencer marketing has increased.

Marketing Multi-Task Learning

Graph-Based Neural Network Models with Multiple Self-Supervised Auxiliary Tasks

no code implementations14 Nov 2020 Franco Manessi, Alessandro Rozza

Self-supervised learning is currently gaining a lot of attention, as it allows neural networks to learn robust representations from large quantities of unlabeled data.

Auxiliary Learning Graph Classification +3

Learning Combinations of Activation Functions

no code implementations29 Jan 2018 Franco Manessi, Alessandro Rozza

In the last decade, an active area of research has been devoted to design novel activation functions that are able to help deep neural networks to converge, obtaining better performance.

Automated Pruning for Deep Neural Network Compression

no code implementations5 Dec 2017 Franco Manessi, Alessandro Rozza, Simone Bianco, Paolo Napoletano, Raimondo Schettini

In this work we present a method to improve the pruning step of the current state-of-the-art methodology to compress neural networks.

Neural Network Compression Transfer Learning

Dynamic Graph Convolutional Networks

no code implementations20 Apr 2017 Franco Manessi, Alessandro Rozza, Mario Manzo

Many different classification tasks need to manage structured data, which are usually modeled as graphs.

General Classification

Making Deep Neural Networks Robust to Label Noise: a Loss Correction Approach

2 code implementations CVPR 2017 Giorgio Patrini, Alessandro Rozza, Aditya Menon, Richard Nock, Lizhen Qu

We present a theoretically grounded approach to train deep neural networks, including recurrent networks, subject to class-dependent label noise.

Ranked #2 on Image Classification on Clothing1M (using clean data) (using extra training data)

Learning with noisy labels Noise Estimation

A Cross-Entropy-based Method to Perform Information-based Feature Selection

no code implementations25 Jul 2016 Pietro Cassara, Alessandro Rozza, Mirco Nanni

From a machine learning point of view, identifying a subset of relevant features from a real data set can be useful to improve the results achieved by classification methods and to reduce their time and space complexity.

feature selection General Classification

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