New wavelet preconditioner for solving boundary integral equations over nonsmooth boundaries.
Stuart C. HawkinsKe ChenPublished in: Int. J. Comput. Math. (2004)
Keyphrases
- object boundaries
- nonlinear equations
- inverse problems in image processing
- algebraic equations
- linear systems
- multiscale
- polynomial equations
- wavelet coefficients
- multiresolution
- wavelet transform
- denoising
- gauss seidel method
- variational inequalities
- linear equations
- boundary points
- bilevel programming
- low frequency
- active contours
- hamilton jacobi
- numerical solution
- newton method
- image restoration
- iterative methods
- high frequency
- occlusion boundaries
- set of linear equations
- variational level set method
- superlinear convergence
- mathematical programming
- combinatorial optimization