Search Results for author: Luca Versari

Found 6 papers, 2 papers with code

Users prefer Jpegli over same-sized libjpeg-turbo or MozJPEG

no code implementations27 Mar 2024 Martin Bruse, Luca Versari, Zoltan Szabadka, Jyrki Alakuijala

We performed pairwise comparisons by human raters of JPEG images from MozJPEG, libjpeg-turbo and our new Jpegli encoder.

High-Fidelity Image Compression with Score-based Generative Models

no code implementations26 May 2023 Emiel Hoogeboom, Eirikur Agustsson, Fabian Mentzer, Luca Versari, George Toderici, Lucas Theis

Despite the tremendous success of diffusion generative models in text-to-image generation, replicating this success in the domain of image compression has proven difficult.

Image Compression Text-to-Image Generation

Intelligent Matrix Exponentiation

no code implementations10 Aug 2020 Thomas Fischbacher, Iulia M. Comsa, Krzysztof Potempa, Moritz Firsching, Luca Versari, Jyrki Alakuijala

We present a novel machine learning architecture that uses the exponential of a single input-dependent matrix as its only nonlinearity.

BIG-bench Machine Learning

Proximity Search For Maximal Subgraph Enumeration

1 code implementation31 Dec 2019 Alessio Conte, Andrea Marino, Roberto Grossi, Takeaki Uno, Luca Versari

Using known techniques, such as reverse search, the space of all maximal solutions induces an implicit directed graph called "solution graph" or "supergraph", and solutions are enumerated by traversing it; however, nodes in this graph can have exponential out-degree, thus requiring exponential time to be spent on each solution.

Data Structures and Algorithms 05C30, 05C85 F.2.2

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