Superpixel-driven graph transform for image compression.
Giulia FracastoroFrancesco VerdojaMarco GrangettoEnrico MagliPublished in: ICIP (2015)
Keyphrases
- image compression
- transform coding
- wavelet transform
- subband decomposition
- vector quantization
- graph representation
- energy compaction
- compression scheme
- subband
- compression algorithm
- graph theory
- graph structure
- compressed images
- bipartite graph
- random walk
- directed graph
- structured data
- data driven
- compression ratio
- entropy coding
- discrete cosine transform
- graph theoretic
- bayesian networks
- graph based algorithm
- low bit rate
- directed acyclic graph
- spanning tree
- superpixels
- image processing
- graph matching