Space-Frequency Quantization for Image Compression With Directionlets.
Vladan VelisavljevicBaltasar Beferull-LozanoMartin VetterliPublished in: IEEE Trans. Image Process. (2007)
Keyphrases
- image compression
- space frequency quantization
- image coding
- wavelet packet
- wavelet transform
- subband
- vector quantization
- image coder
- filter bank
- low bit rate
- compression ratio
- discrete cosine transform
- wavelet decomposition
- reconstructed image
- compression algorithm
- compression scheme
- transform coding
- wavelet domain
- high frequency
- wavelet coefficients
- multiresolution
- denoising
- multiscale
- pattern recognition
- compressed images
- feature extraction
- image processing
- frequency domain
- vector quantizer
- arithmetic coding