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Related papers: Jacobi Set Driven Search for Flexible Fiber Surfac…

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Superpixel segmentation can be used as an intermediary step in many applications, often to improve object delineation and reduce computer workload. However, classical methods do not incorporate information about the desired object.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-08 Felipe Belém , Benjamin Perret , Jean Cousty , Silvio J. F. Guimarães , Alexandre Falcão

Exploratory analysis of scalar fields on surface meshes presents significant challenges in identifying and visualizing important regions, particularly on the surface's backside. Previous visualization methods achieved only a limited…

Graphics · Computer Science 2024-05-30 Kai Lawonn , Monique Meuschke , Tobias Günther

The fields of view of Extremely Large Telescopes will contain vast numbers of spatial sampling elements (spaxels) as their Adaptive Optics systems approach the diffraction limit over wide fields. Since this will exceed the detection…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 G. J. Murray , J. R. Allington-Smith

High-quality astronomical images delivered by modern ground-based and space observatories demand adequate, reliable software for their analysis and accurate extraction of sources, filaments, and other structures, containing massive amounts…

Instrumentation and Methods for Astrophysics · Physics 2021-05-26 A. Men'shchikov

Fabry-P\'erot interferometers (FPIs) have become very popular in solar observations because they offer a balance between cadence, spatial resolution, and spectral resolution through a careful design of the spectral sampling scheme according…

Solar and Stellar Astrophysics · Physics 2023-05-03 C. J. Díaz Baso , L. Rouppe van der Voort , J. de la Cruz Rodríguez , J. Leenaarts

Recent advancements in visualizing deep neural networks provide insights into their structures and mesh extraction from Continuous Piecewise Affine (CPWA) functions. Meanwhile, developments in neural surface representation learning…

Machine Learning · Computer Science 2024-10-21 Jin-Hwa Kim

Molecular surface representations have been advertised as a great tool to study protein structure and functions, including protein-ligand binding affinity modeling. However, the conventional surface-area-based methods fail to deliver a…

Biomolecules · Quantitative Biology 2022-06-02 Md Masud Rana , Duc Duy Nguyen

Iterative methods for solving large sparse systems of linear equations are widely used in many HPC applications. Extreme scaling of these methods can be difficult, however, since global communication to form dot products is typically…

Mathematical Software · Computer Science 2020-09-29 Nick Brown , J. Mark Bull , Iain Bethune

A method for quantitative analysis of local pattern strength and defects in surface self-assembly imaging is presented and applied to images of stripe and hexagonal ordered domains. The presented method uses "shapelet" functions which were…

Computer Vision and Pattern Recognition · Computer Science 2015-02-27 Robert Suderman , Daniel Lizotte , Nasser Mohieddin Abukhdeir

We show that an invariant surface allows to construct the Jacobi vector field along a geodesic and construct the formula for the normal component of the Jacobi field. If a geodesic is the transversal intersection of two invariant surfaces…

dg-ga · Mathematics 2011-08-22 V. S. Matveev , P. J. Topalov

Foundation Vision Encoders have become essential for a wide range of dense vision tasks. However, their low-resolution spatial feature outputs necessitate feature upsampling to produce the high-resolution modalities required for downstream…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Paul Couairon , Loick Chambon , Louis Serrano , Jean-Emmanuel Haugeard , Matthieu Cord , Nicolas Thome

The Jacobi set is a useful descriptor of mutual behavior of functions defined on a common domain. We introduce the piecewise linear Jacobi set for general vector fields on simplicial complexes. This definition generalizes the definition of…

Classical Analysis and ODEs · Mathematics 2022-08-30 A. N. Adilkhanov , A. V. Pavlov , I. A. Taimanov

Using fiber bundle theory and conformal mappings, we continuously select a point from the interior of Jordan domains in Riemannian surfaces. This selection can be made equivariant under isometries, and take on prescribed values such as the…

Differential Geometry · Mathematics 2024-08-20 Igor Belegradek , Mohammad Ghomi

Cosmological weak lensing has been a highly successful and rapidly developing research field since the first detection of cosmic shear in 2000. However, it has recently been pointed out in Yoo et al. that the standard weak lensing formalism…

Cosmology and Nongalactic Astrophysics · Physics 2018-08-03 Nastassia Grimm , Jaiyul Yoo

Fiber-reinforced ceramic-matrix composites are advanced materials resistant to high temperatures, with application to aerospace engineering. Their analysis depends on the detection of embedded fibers, with semi-supervised techniques usually…

Image and Video Processing · Electrical Eng. & Systems 2021-01-18 Alexandre Fioravante de Siqueira , Daniela Mayumi Ushizima , Stéfan van der Walt

Datasets with non-trivial large scale topology can be hard to embed in low-dimensional Euclidean space with existing dimensionality reduction algorithms. We propose to model topologically complex datasets using vector bundles, in such a way…

Computational Geometry · Computer Science 2023-03-17 Luis Scoccola , Jose A. Perea

We present an efficient, trivially parallelizable algorithm to compute offset surfaces of shapes discretized using a dexel data structure. Our algorithm is based on a two-stage sweeping procedure that is simple to implement and efficient,…

Graphics · Computer Science 2019-04-10 Zhen Chen , Daniele Panozzo , Jeremie Dumas

This paper presents a framework for analyzing and designing cylindrical omega-bianisotropic metasurfaces, inspired by mode matching and digital signal processing techniques. Using the discrete Fourier transform, we decompose the the…

Classical Physics · Physics 2022-03-10 Gengyu Xu , George V. Eleftheriades , Sean V. Hum

In the calculation of thermodynamic properties and three dimensional structures of macromolecules, such as proteins, it is important to have a good algorithm for computing solvent accessible surface area of macromolecules. Here we propose a…

Condensed Matter · Physics 2007-05-23 Shura Hayryan , Chin-Kun Hu , Jaroslav Skřivánek , Edik Hayryan , Imrich Pokorny

The paradigm of differentiable programming has significantly enhanced the scope of machine learning via the judicious use of gradient-based optimization. However, standard differentiable programming methods (such as autodiff) typically…

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