A survey and taxonomy of loss functions in machine learning
Abstract
Most state-of-the-art machine learning techniques revolve around the optimisation of loss functions. Defining appropriate loss functions is therefore critical to successfully solving problems in this field. In this survey, we present a comprehensive overview of the most widely used loss functions across key applications, including regression, classification, generative modeling, ranking, and energy-based modeling. We introduce 43 distinct loss functions, structured within an intuitive taxonomy that clarifies their theoretical foundations, properties, and optimal application contexts. This survey is intended as a resource for undergraduate, graduate, and Ph.D. students, as well as researchers seeking a deeper understanding of loss functions.
Keywords
Cite
@article{arxiv.2301.05579,
title = {A survey and taxonomy of loss functions in machine learning},
author = {Lorenzo Ciampiconi and Adam Elwood and Marco Leonardi and Ashraf Mohamed and Alessandro Rozza},
journal= {arXiv preprint arXiv:2301.05579},
year = {2024}
}