DCT and DST Filtering With Sparse Graph Operators.
Keng-Shih LuAntonio OrtegaDebargha MukherjeeYue ChenPublished in: IEEE Trans. Signal Process. (2022)
Keyphrases
- discrete cosine transform
- gaussian graphical models
- image compression
- graph theory
- high dimensional
- directed graph
- sparse data
- sparse representation
- graph structure
- graph representation
- random walk
- graph model
- bipartite graph
- signal recovery
- directed acyclic graph
- graph mining
- weighted graph
- structured data
- filtering algorithm
- filtering method
- dct domain
- compressed images
- jpeg images
- block dct
- directed acyclic
- connected components