English
Related papers

Related papers: A Constructive Approach for Building Wavelet Bases…

200 papers

In electronic structure theory, variational methods offer a valuable paradigm for approximating electronic ground states. However, for historical reasons, this principle is mostly restricted to model chemistries in pre-defined fixed basis…

Quantum Physics · Physics 2025-11-17 Fabian Langkabel , Stefan Knecht , Jakob S. Kottmann

We tackle the problem of multi-class relational sequence learning using relevant patterns discovered from a set of labelled sequences. To deal with this problem, firstly each relational sequence is mapped into a feature vector using the…

Artificial Intelligence · Computer Science 2010-06-29 Nicola Di Mauro , Teresa M. A. Basile , Stefano Ferilli , Floriana Esposito

In this paper, we propose a novel physics-informed generative learning approach, named RadioDiff-$k^2$, for accurate and efficient multipath-aware radio map (RM) construction. As future wireless communication evolves towards…

Machine Learning · Computer Science 2025-10-20 Xiucheng Wang , Qiming Zhang , Nan Cheng , Ruijin Sun , Zan Li , Shuguang Cui , Xuemin Shen

We suggest a new method of basis construction for the kernel of a linear form on the Laurent polynomial module related to multivariate wavelets, and demonstrate its applications to box spline prewavelets, leading to small mask supports for…

Numerical Analysis · Mathematics 2025-08-05 Oleg Davydov , Anatolii Tushev

Real-time visualization of large-scale volumetric data remains challenging, as direct volume rendering and voxel-based methods suffer from prohibitively high computational cost. We propose Variable Basis Mapping (VBM), a framework that…

Graphics · Computer Science 2026-01-15 Qibiao Li , Yuxuan Wang , Youcheng Cai , Huangsheng Du , Ligang Liu

Imaging an object embedded within a scattering medium requires the correction of complex sample-induced wave distortions. Existing approaches have been designed to resolve them by optimizing signal waves recorded in each 2D image. Here, we…

Optics · Physics 2022-10-17 Ye-Ryoung Lee , Dong-Young Kim , Yonghyeon Jo , Moonseok Kim , Wonshik Choi

Collective variable-based enhanced sampling methods are routinely used on systems with metastable states, where high free energy barriers impede proper sampling of the free energy landscapes when using conventional molecular dynamics…

Chemical Physics · Physics 2022-08-09 Benjamin Pampel , Omar Valsson

Wavelets have proven to be highly successful in several signal and image processing applications. Wavelet design has been an active field of research for over two decades, with the problem often being approached from an analytical…

Machine Learning · Computer Science 2021-07-26 Dhruv Jawali , Abhishek Kumar , Chandra Sekhar Seelamantula

Large Vision Language Models (LVLMs) excel in various vision-language tasks. Yet, their robustness to visual variations in position, scale, orientation, and context that objects in natural scenes inevitably exhibit due to changes in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Zhiyuan Fan , Yumeng Wang , Sandeep Polisetty , Yi R. Fung

This study introduces a systematic and optimised methodology for designing Linear Variable Differential Transformer (LVDT) sensors and Voice Coil (VC) actuators, tailored for high-precision applications such as gravitational wave detectors…

Instrumentation and Detectors · Physics 2026-03-10 Kumar Akhil Kukkadapu , Hans Van Haevermaet , Wim Beaumont , Nick van Remortel

This paper studies separating invariants: mappings on $D$ dimensional domains which are invariant to an appropriate group action, and which separate orbits. The motivation for this study comes from the usefulness of separating invariants in…

Machine Learning · Computer Science 2023-11-22 Nadav Dym , Steven J. Gortler

We propose a method for the construction of sets of variable dimension strong non-overlapping matrices basing on any strong non-overlapping set of strings.

Combinatorics · Mathematics 2023-09-07 Elena Barcucci , Antonio Bernini , Stefano Bilotta , Renzo Pinzani

We construct certain Hilbert spaces associated with a class of non-linear dynamical systems X. These are systems which arise from a generalized self-similarity, and an iterated substitution. We show that when a weight function W on X is…

Dynamical Systems · Mathematics 2007-05-23 Dorin Ervin Dutkay , Palle E. T. Jorgensen

In this paper we give a multiresolution construction in Bergman space. The successful application of rational orthogonal bases needs a priori knowledge of the poles of the transfer function that may cause a drawback of the method. We give a…

Complex Variables · Mathematics 2011-09-08 Margit Pap

We present an algorithm for construction step wavelets on local fields of positive characteristic.

Functional Analysis · Mathematics 2017-02-07 Gleb Berdnikov , Iuliia Kruss , Sergey Lukomskii

We present applications of variational-wavelet approach to nonlinear (rational) rms envelope equations. We have the solution as a multiresolution (multiscales) expansion in the base of compactly supported wavelet basis. We give extension of…

Accelerator Physics · Physics 2017-08-23 Antonina N. Fedorova , Michael G. Zeitlin

We present a preconditioning method for the multi-dimensional Helmholtz equation with smoothly varying coefficient. The method is based on a frame of functions, that approximately separates components associated with different singular…

Numerical Analysis · Mathematics 2010-10-25 Christiaan C. Stolk

Recent deep learning approaches for multi-view depth estimation are employed either in a depth-from-video or a multi-view stereo setting. Despite different settings, these approaches are technically similar: they correlate multiple source…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Philipp Schröppel , Jan Bechtold , Artemij Amiranashvili , Thomas Brox

Wavelet frames for $L^2({\mathbb R})$ can be characterized by means of spectral techniques. This work uses spectral formulas to determine all the tight wavelet frames for $L^2({\mathbb R})$ with a fixed finite number of generators of…

Functional Analysis · Mathematics 2019-01-24 F. Gómez-Cubillo , S. Villullas

Vessels are complex structures in the body that have been studied extensively in multiple representations. While voxelization is the most common of them, meshes and parametric models are critical in various applications due to their…