Sparse Spectral Methods for Solving High-Dimensional and Multiscale Elliptic PDEs.
Craig GrossMark A. IwenPublished in: CoRR (2023)
Keyphrases
- high dimensional
- spectral methods
- multiscale
- partial differential equations
- manifold learning
- low dimensional
- spectral analysis
- random walk
- dimensionality reduction
- high dimensional data
- image processing
- high dimensionality
- edge detection
- wavelet transform
- image denoising
- dimension reduction
- data mining applications
- nearest neighbor
- spectral clustering
- level set
- data points
- input space
- feature space
- feature selection
- wavelet coefficients
- pairwise
- superpixels