Cover Image

Detection of Edges in Spectral Data II. Nonlinear Enhancement

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Gelb, Anne, Tadmor, Eitan
Format:	Preprint
Published:	2001
Subjects:	Numerical Analysis 42A10; 42A50; 65T10
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Similar Items

Adaptive Mollifiers for High Resolution Recovery of Piecewise Smooth Data from its Spectral Information
by: Tadmor, Eitan, et al.
Published: (2001)

Fourier Extension Based on Weighted Generalized Inverse
by: Zhao, Zhenyu, et al.
Published: (2025)

A Levinson-Galerkin algorithm for regularized trigonometric approximation
by: Strohmer, Thomas
Published: (1999)

Image reconstruction from structured subsampled 2D Fourier data
by: Plonka, Gerlind, et al.
Published: (2025)

A modified FC-Gram approximation algorithm with provable error bounds
by: Anand, Akash, et al.
Published: (2024)

Four short stories about Toeplitz matrix calculations
by: Strohmer, Thomas
Published: (2000)

MOCCA: A Fast Algorithm for Parallel MRI Reconstruction Using Model Based Coil Calibration
by: Plonka, Gerlind, et al.
Published: (2024)

Spectral Eigen-subspace and Tree Structure for a Cantor Measure
by: Deng, Guotai, et al.
Published: (2024)

Spectral Schur analysis of structured moment matrices for quadratic histopolation
by: Guessab, Allal, et al.
Published: (2026)

Numerical Analysis of the Non-uniform Sampling Problem
by: Strohmer, Thomas
Published: (2000)

Approximation of generalized Wiener classes of functions of several variables in different metrics
by: Shidlich, Andrii
Published: (2026)

Approximation of a Multivariate Function of Bounded Variation from its Scattered Data
by: Dachiraju, Rajesh
Published: (2020)

Exact convergence rates of lightning plus polynomial approximation for branch singularities with uniform exponentially clustered poles
by: Xiang, Shuhuang, et al.
Published: (2025)

Besov regularity of multivariate non-periodic functions in terms of half-period cosine coefficients and consequences for recovery and numerical integration
by: Schäfer, Martin, et al.
Published: (2025)

On the Failure of Step-Response Tests to Certify Admissibility of Spectral Averaging Operators
by: Grieshop, Justin
Published: (2026)

Hyperinterpolation beyond exact cubature: a spectral multiplier approach
by: Wu, Hao-Ning
Published: (2026)

A convergent adaptive finite element stochastic Galerkin method based on multilevel expansions of random fields
by: Bachmayr, Markus, et al.
Published: (2024)

Adaptive stochastic Galerkin finite element methods: Optimality and non-affine coefficients
by: Bachmayr, Markus, et al.
Published: (2025)

Error Analysis of Truncation Legendre Method for Solving Numerical Differentiation
by: Kyselov, Maksym
Published: (2025)

Numerical Differentiation of Functions of Two Variables Using Chebyshev Polynomials
by: Kyselov, Maksym, et al.
Published: (2026)

Recovery of differential operators from a noisy Fourier transform
by: Osipenko, Konstantin Yu.
Published: (2024)

On the critical length conjecture for spherical Bessel functions in CAGD
by: Kounchev, Ognyan, et al.
Published: (2025)

On enforcing non-negativity in polynomial approximations in high dimensions
by: Chen, Yuan, et al.
Published: (2024)

Completeness of sparse, almost integer and finite local complexity sequences of translates in $L^p(\mathbb{R})$
by: Lev, Nir, et al.
Published: (2025)

Efficient inverse $Z$-transform and Wiener-Hopf factorization
by: Boyarchenko, Svetlana, et al.
Published: (2024)

Refinement-based Christoffel sampling for least squares approximation in non-orthogonal bases
by: Herremans, Astrid, et al.
Published: (2025)

Approximation of the Hilbert Transform on the unit circle
by: Fermo, Luisa, et al.
Published: (2024)

A Bivariate Spline Construction of Orthonormal Polynomials over Polygonal Domains and Its Applications to Quadrature
by: Lai, Ming-Jun
Published: (2026)

Error Estimates for Gauss--Christoffel Quadrature under Reduced Regularity Conditions
by: Hamzehnejad, Mehdi, et al.
Published: (2025)

Legendre Expansions of Products of Functions with Applications to Nonlinear Partial Differential Equations
by: Djellouli, Rabia, et al.
Published: (2021)

Actual problems of the approximation theory in metrics of discrete spaces on sets of summable periodic and almost periodic functions
by: Serdyuk, Anatolii, et al.
Published: (2024)

Computing weak distance between the 2-sphere and its nonsmooth approximations
by: Koga, Kazuki
Published: (2023)

Sharp Estimates for Conjugate Functions with Applications to Trigonometric Polynomials
by: Brazitikos, Silouanos
Published: (2026)

Background Denoising for Ptychography via Wigner Distribution Deconvolution
by: Melnyk, Oleh, et al.
Published: (2024)

A multi-level algorithm for the solution of moment problems
by: Scherzer, Otmar, et al.
Published: (1999)

A Variational Equation and Lower Bound for the Linear Least-Squares Backward Error
by: Hallman, Eric
Published: (2026)

Characterization of the weak-type boundedness of the Hilbert transform on weighted Lorentz spaces
by: Agora, Elona, et al.
Published: (2024)

Lorentz-Shimogaki and Boyd theorems for weighted Lorentz spaces
by: Agora, Elona, et al.
Published: (2024)

Weak Type Boundedness of the Hardy Littlewood Maximal Operator on Weighted Lorentz Spaces
by: Agora, Elona, et al.
Published: (2024)

Sparse and low-rank approximations of parametric elliptic PDEs: the best of both worlds
by: Bachmayr, Markus, et al.
Published: (2025)