A perceptually tuned sub-band image coder with image dependent quantization and post-quantization data compression.
Robert J. SafranekJames D. JohnstonPublished in: ICASSP (1989)
Keyphrases
- image coder
- subband
- data compression
- image compression
- wavelet image coding
- compression algorithm
- filter bank
- wavelet transform
- compression ratio
- entropy coding
- image coding
- wavelet filters
- wavelet coefficients
- bit rate
- high frequency
- wavelet coding
- multiresolution
- transform coefficients
- wavelet packet
- feature vectors
- frequency domain
- wavelet decomposition
- compression scheme
- wavelet domain
- low bit rate
- reconstruction error
- bitstream
- rate distortion
- low frequency
- discrete cosine transform
- image quality
- reconstructed image
- quadtree
- coding method
- lossless compression
- feature extraction
- natural images
- image denoising
- video coding