An Efficient Preconditioner for 3-D Finite Difference Modeling of the Electromagnetic Diffusion Process in the Frequency Domain.
Jian LiJianxin LiuGary D. EgbertRong LiuRongwen GuoKejia PanPublished in: IEEE Trans. Geosci. Remote. Sens. (2020)
Keyphrases
- frequency domain
- diffusion process
- finite difference
- diffusion equation
- spatial domain
- anisotropic diffusion
- cross correlation
- partial differential equations
- edge preserving
- diffusion processes
- scale space
- feature extraction
- denoising
- subband
- numerical solution
- scale spaces
- numerical analysis
- finite element
- image analysis
- linear systems
- computer vision
- image denoising
- image restoration
- object recognition
- nonlinear diffusion
- image processing