Direction scalability of adaptive directional wavelet transform: An approach using block-lifting based DCT and SPIHT.
Yuichi TanakaMadoka HasegawaShigeo KatoTaizo SuzukiMasaaki IkeharaPublished in: ISCAS (2010)
Keyphrases
- wavelet transform
- image compression
- subband
- daubechies wavelet
- transform coefficients
- wavelet coding
- wavelet coefficients
- image coding
- discrete cosine transform
- lifting wavelet transform
- dual tree
- low bit rate
- directional information
- dct coefficients
- multiresolution
- blocking artifacts
- lifting scheme
- compression scheme
- compression algorithm
- multiscale
- compressed images
- image coder
- multiresolution representation
- coded images
- high frequency
- wavelet domain
- singularity detection
- image coding algorithm
- filter bank
- compression ratio
- low frequency
- entropy coding
- set partitioning in hierarchical trees
- image blocks
- wavelet filters
- feature extraction
- coding scheme
- bit plane
- directional filtering
- wavelet packet
- dct domain
- block size
- reconstructed image
- discrete wavelet transform
- wavelet bases
- data compression