A comparative study of image compression based on directional wavelets.
Kun LiWenli XuQionghai DaiYao WangPublished in: VCIP (2007)
Keyphrases
- image compression
- wavelet transform
- dual tree
- vector quantization
- embedded zerotree
- subband
- directional filter banks
- compression scheme
- compression ratio
- compression algorithm
- contourlet transform
- multiresolution analysis
- image processing
- high compression
- discrete cosine transform
- comparative study
- low bit rate
- directional information
- lossless compression
- wavelet bases
- progressive transmission
- reconstructed image
- multiresolution
- lifting scheme
- transform coding
- image coding
- directional features
- compressed images
- wavelet decomposition
- wavelet coefficients
- compactly supported
- denoising