Sparse orthonormal transforms for image compression.
Osman Gokhan SezerOztan HarmanciOnur G. GuleryuzPublished in: ICIP (2008)
Keyphrases
- image compression
- sparse matrix
- wavelet bases
- energy compaction
- vector quantization
- wavelet transform
- subband
- compression scheme
- compression algorithm
- high dimensional
- compressed images
- denoising
- compression ratio
- reconstructed image
- low bit rate
- sparse data
- image processing
- image transmission
- transform coding
- discrete cosine transform
- compressive sensing
- vector field
- compressed sensing
- dictionary learning
- lossless compression
- random projections
- vector valued
- image coding
- progressive transmission
- least squares
- computer vision
- reversible integer