Two-level additive preconditioners for edge element discretizations of time-harmonic Maxwell equations.
Liuqiang ZhongChunmei LiuShi ShuPublished in: Comput. Math. Appl. (2013)
Keyphrases
- linear systems
- edge information
- edge detection
- edge detector
- iterative methods
- edge preserving
- linear equations
- image restoration
- mathematical model
- differential equations
- edge direction
- data sets
- nonlinear equations
- edge points
- sufficient conditions
- image segmentation
- genetic algorithm
- information retrieval
- neural network