An adaptive finite element method for high-frequency scattering problems with smoothly varying coefficients.
Anton ArnoldSjoerd GeeversIlaria PerugiaDmitry PonomarevPublished in: Comput. Math. Appl. (2022)
Keyphrases
- high frequency
- low frequency
- wavelet coefficients
- finite element method
- low frequency coefficients
- high resolution
- visual quality
- numerical methods
- wavelet transform
- high frequencies
- computer vision
- low pass
- single image
- theoretical analysis
- numerical simulations
- edge detection
- discrete wavelet transform
- image processing