Spectral methods in non-tensor geometry, Part II: Chebyshev versus Zernike polynomials, gridding strategies and spectral extension on squircle-bounded and perturbed-quadrifolium domains.
Shan LiJohn P. BoydPublished in: Appl. Math. Comput. (2015)
Keyphrases
- spectral methods
- spectral analysis
- manifold learning
- random walk
- spectral clustering
- graph partitioning
- high order
- eigendecomposition
- laplacian matrix
- data mining applications
- multiscale
- dimensionality reduction
- higher order
- graph clustering
- markov chain
- moment invariants
- microarray
- data clustering
- low dimensional
- denoising
- clustering approaches
- graph construction
- semi supervised
- pattern recognition
- image segmentation