Fast codebook searching in a SOM-based vector quantizer for image compression.
Arijit LahaBhabatosh ChandaNikhil R. PalPublished in: Signal Image Video Process. (2008)
Keyphrases
- vector quantizer
- vector quantization
- image compression
- neural gas
- input vector
- wavelet transform
- image coding
- entropy constrained
- self organizing maps
- bit allocation
- subband image coding
- compression scheme
- low bit rate
- subband
- compression algorithm
- distortion measure
- compression ratio
- codebook design
- tree structured vector quantization
- image processing
- finite state vector quantization
- reconstructed image
- vector quantized
- competitive learning
- compressed images
- transform coding
- lossless compression
- entropy coding
- image coder
- neural network
- markov chain
- progressive transmission
- subband coding
- frequency domain
- input data
- pattern recognition
- machine learning