Optimal fourth-order staggered-grid finite-difference scheme for 3D frequency-domain viscoelastic wave modeling.
Yang LiBo HanLudovic MétivierRomain BrossierPublished in: J. Comput. Phys. (2016)
Keyphrases
- frequency domain
- finite difference
- fourth order
- partial differential equations
- spatial domain
- fourier transform
- noise removal
- denoising
- diffusion equation
- numerical solution
- feature extraction
- image denoising
- prolate spheroidal
- anisotropic diffusion
- high order
- image processing
- level set
- wavelet domain
- subband
- noise reduction
- higher order
- numerical analysis
- multiscale
- image enhancement
- motion estimation
- image interpolation
- nonlinear diffusion
- ultrasound images
- natural images
- estimation error
- wavelet transform