Sparse graph signal reconstruction and image processing on circulant graphs.
Madeleine S. KotzagiannidisPier Luigi DragottiPublished in: GlobalSIP (2014)
Keyphrases
- signal reconstruction
- image processing
- compressive sensing
- graph representation
- graph structure
- graph theory
- adjacency matrix
- graph mining
- directed graph
- weighted graph
- graph matching
- image reconstruction
- basis functions
- graph databases
- graph construction
- directed acyclic
- random projections
- signal processing
- graph data
- gaussian graphical models
- pattern recognition
- undirected graph
- multiscale
- sparse representation
- dimensionality reduction
- least squares
- color images
- computer vision
- image analysis
- linear combination
- text mining
- multiresolution
- zero crossing
- image representation