FFT, FMM, or MULTIGRID? A comparative study of state-of-the-art poisson solvers.
Amir GholamiDhairya MalhotraHari SundarGeorge BirosPublished in: CoRR (2014)
Keyphrases
- fast fourier transform
- frequency domain
- fourier transform
- multiscale
- boundary conditions
- image analysis
- closed form
- poisson distribution
- shape from shading
- comparative study
- multiresolution
- tomographic image reconstruction
- edge preserving
- emission tomography
- computationally expensive
- shift variant
- hamilton jacobi
- floating point
- poisson process
- fourier transformation
- sat solvers
- negative binomial
- eigenvalue problems
- inverse problems
- sat instances
- flow field
- orders of magnitude
- fourier domain
- numerical methods
- numerically stable
- image enhancement
- image reconstruction
- signal processing
- denoising
- pattern recognition