Multiscale numerical methods for passive advection-diffusion in incompressible turbulent flow fields.
Yoonsang LeeBjörn EngquistPublished in: J. Comput. Phys. (2016)
Keyphrases
- velocity field
- numerical methods
- flow field
- multiscale
- partial differential equations
- anisotropic diffusion
- diffusion process
- optical flow
- optical flow estimation
- diffusion equation
- optic flow
- fluid motion
- image sequences
- differential equations
- vector field
- image flow
- nonlinear diffusion
- semi implicit
- motion analysis
- edge detection
- motion field
- scale space
- heat equation
- motion segmentation
- wavelet transform
- image segmentation
- optical flow fields
- natural images
- piecewise constant
- image processing
- coarse to fine
- level set method
- image enhancement
- video sequences
- feature extraction
- dynamical systems
- motion model
- wavelet coefficients
- structure tensor
- normal flow
- three dimensional