Bipartite Approximation for Graph Wavelet Signal Decomposition.
Jin ZengGene CheungAntonio OrtegaPublished in: IEEE Trans. Signal Process. (2017)
Keyphrases
- wavelet packet
- graph model
- bipartite graph
- original signal
- wavelet analysis
- wavelet packet transform
- graph partitioning
- wavelet transform
- denoising
- undirected graph
- wavelet function
- graph representation
- energy compaction
- soft threshold
- structural learning
- graph structure
- mexican hat
- weighted graph
- wavelet coefficients
- signal processing
- tree decomposition
- approximation algorithms
- multiresolution
- frequency domain
- high frequency
- graph theory
- closed form
- wavelet decomposition
- directed graph
- power spectrum
- real valued
- non stationary
- subband
- decomposition method
- vertex set
- dual tree
- directed acyclic graph
- wavelet compression
- image compression
- energy distribution
- low frequency
- filter bank
- connected components
- multiresolution analysis
- social network analysis
- efficient computation
- image coding
- min sum
- link prediction
- multiscale
- spatial domain