Neural Network Approximation of Graph Fourier Transforms for Sparse Sampling of Networked Flow Dynamics.
Alessio PaganiZhuangkun WeiRicardo SilvaWeisi GuoPublished in: CoRR (2020)
Keyphrases
- fourier transform
- neural network
- sparse sampling
- frequency domain
- signal processing
- signal and image processing
- fourier domain
- correlation function
- fourier analysis
- pattern recognition
- shift variant
- feature selection
- polar coordinates
- discrete fourier transform
- flow field
- spatial domain
- self organizing maps
- high quality
- piecewise constant
- approximation algorithms
- partial differential equations