Fast Eigenpairs Computation with Operator Adapted Wavelets and Hierarchical Subspace Correction.
Hehu XieLei ZhangHouman OwhadiPublished in: SIAM J. Numer. Anal. (2019)
Keyphrases
- multiresolution
- wavelet transform
- subspace learning
- feature extraction
- image compression
- high dimensional
- signal processing
- image processing
- hierarchical structure
- dimensionality reduction
- feature space
- feature vectors
- multiscale
- coarse to fine
- wavelet packet
- data sets
- hierarchical model
- subspace clusters
- compactly supported