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139 papers · 1 filter
MinkLoc3D-SI: 3D LiDAR place recognition with sparse convolutions, spherical coordinates, and intensity
Kamil Żywanowski, Adam Banaszczyk, Michał R. Nowicki +1
The 3D LiDAR place recognition aims to estimate a coarse localization in a previously seen environment based on a single scan from a rotating 3D LiDAR sensor. The existing solution…
Thermalization of light's orbital angular momentum in nonlinear multimode waveguide systems
Fan O. Wu, Qi Zhong, Huizhong Ren +3
We show that the orbital angular momentum (OAM) of a light field can be thermalized in a nonlinear cylindrical multimode optical waveguide. We find, that upon thermal equilibrium,…
Applying SoftTriple Loss for Supervised Language Model Fine Tuning
Witold Sosnowski, Anna Wroblewska, Piotr Gawrysiak
We introduce a new loss function TripleEntropy, to improve classification performance for fine-tuning general knowledge pre-trained language models based on cross-entropy and SoftT…
On a Problem of Steinhaus
Marcin Anholcer, Bartłomiej Bosek, Jarosław Grytczuk +4
Let be a positive integer. A sequence of points in the unit interval is piercing if $\{x_1,x_2,\ldots,x_n\}\cap \left[\frac{i}{n},\frac{i+1}{n}…
Discovery of Crime Event Sequences with Constricted Spatio-Temporal Sequential Patterns
Piotr S. Maciąg, Robert Bembenik, Artur Dubrawski
In this article, we introduce a novel type of spatio-temporal sequential patterns called Constricted Spatio-Temporal Sequential (CSTS) patterns and thoroughly analyze their propert…
Pure shape dynamics: General framework
Tim Koslowski, Pedro Naranjo, Antonio Vassallo
We put forward a general framework for describing relational physical theories, which we call Pure Shape Dynamics (PSD). Elaborating on the original insights brought about by the S…