no code implementations • 27 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.
no code implementations • 10 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.
4 code implementations • 30 Jul 2019 • Iulia M. Comsa, Krzysztof Potempa, Luca Versari, Thomas Fischbacher, Andrea Gesmundo, Jyrki Alakuijala
The timing of individual neuronal spikes is essential for biological brains to make fast responses to sensory stimuli.
1 code implementation • 4 Oct 2018 • Jan Wassenberg, Robert Obryk, Jyrki Alakuijala, Emmanuel Mogenet
Replacing existing generators with Randen can protect randomized algorithms such as reservoir sampling from attack.
Cryptography and Security Data Structures and Algorithms 94A60 G.3
1 code implementation • 24 Mar 2018 • Renata Khasanova, Jan Wassenberg, Jyrki Alakuijala
In various Computer Vision and Signal Processing applications, noise is typically perceived as a drawback of the image capturing system that ought to be removed.
1 code implementation • 13 Mar 2017 • Jyrki Alakuijala, Robert Obryk, Ostap Stoliarchuk, Zoltan Szabadka, Lode Vandevenne, Jan Wassenberg
Guetzli is a new JPEG encoder that aims to produce visually indistinguishable images at a lower bit-rate than other common JPEG encoders.
no code implementations • 13 Mar 2017 • Jyrki Alakuijala, Robert Obryk, Zoltan Szabadka, Jan Wassenberg
We report on pairwise comparisons by human raters of JPEG images from libjpeg and our new Guetzli encoder.
1 code implementation • 19 Dec 2016 • Jyrki Alakuijala, Bill Cox, Jan Wassenberg
HighwayHash is a new pseudo-random function based on SIMD multiply and permute instructions for thorough and fast hashing.
Cryptography and Security D.4.6