Detection of edges in spectral data III-refinement of the concentration method
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Publication:618370
DOI10.1007/s10915-007-9170-8zbMath1203.94009OpenAlexW2087312929MaRDI QIDQ618370
Publication date: 16 January 2011
Published in: Journal of Scientific Computing (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1007/s10915-007-9170-8
Random fields; image analysis (62M40) Inference from stochastic processes and spectral analysis (62M15) Numerical aspects of computer graphics, image analysis, and computational geometry (65D18) Image processing (compression, reconstruction, etc.) in information and communication theory (94A08)
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Cites Work
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- Robust reprojection methods for the resolution of the Gibbs phenomenon
- A practical assessment of spectral accuracy for hyperbolic problems with discontinuities
- Family of spectral filters for discontinuous problems
- Detection of edges in spectral data
- Exponentially accurate approximations to periodic Lipschitz functions based on Fourier series partial sums
- Determination of the jumps of a bounded function by its Fourier series
- Towards the resolution of the Gibbs phenomena.
- Reducing the effects of noise in image reconstruction
- Adaptive mollifiers for high resolution recovery of piecewise smooth data from its spectral information
- Enhanced spectral viscosity approximations for conservation laws
- Adaptive edge detectors for piecewise smooth data based on the minmod limiter
- Detecting derivative discontinuity locations in piecewise continuous functions from Fourier spectral data
- Detection of Edges in Spectral Data II. Nonlinear Enhancement
- Optimal filter and mollifier for piecewise smooth spectral data
- Spectral Methods for Time-Dependent Problems
- Authenticating edges produced by zero-crossing algorithms
- Singularity detection and processing with wavelets
- On the Gibbs Phenomenon and Its Resolution
- On a high order numerical method for functions with singularities
- Accurate Reconstructions of Functions of Finite Regularity from Truncated Fourier Series Expansions
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