A new method based on SOM network to generate coarse meshes for overlapping unstructured multigrid algorithm.
Hongqiang LuYizhao WuSongcan ChenPublished in: Appl. Math. Comput. (2003)
Keyphrases
- k means
- high accuracy
- detection algorithm
- optimization algorithm
- dynamic programming
- improved algorithm
- preprocessing
- cost function
- experimental evaluation
- clustering method
- computational cost
- recognition algorithm
- computational complexity
- multiresolution
- detection method
- significant improvement
- input data
- computationally efficient
- segmentation algorithm
- tree structure
- convergence rate
- mesh refinement
- similarity measure
- objective function
- support vector machine svm
- optimization method
- classification algorithm
- segmentation method
- learning algorithm
- matching algorithm
- delaunay triangulation
- image analysis
- generation method
- star shaped
- simulated annealing
- sparse linear
- reconstruction method
- mesh generation
- neural network structure
- triangular mesh
- expectation maximization
- edge detection
- marching cubes
- image segmentation
- competitive learning
- unsupervised learning
- probabilistic model
- support vector machine