Medical image compression using DCT-based subband decomposition and modified SPIHT data organization.
Yen-Yu ChenPublished in: Int. J. Medical Informatics (2007)
Keyphrases
- subband decomposition
- image compression
- subband
- compression scheme
- compression algorithm
- compression ratio
- low bit rate
- compressed images
- vector quantization
- entropy coding
- wavelet transform
- discrete cosine transform
- transform coefficients
- image coder
- reconstructed image
- filter bank
- energy compaction
- bit allocation
- frequency domain
- bit rate
- coding scheme
- high frequency
- image processing
- multiresolution
- multiscale
- frequency band
- wavelet filters
- transform coding
- low frequency
- shift invariant
- locally adaptive
- coding method
- reconstruction error
- bitstream
- feature vectors
- feature extraction
- image sequences