Keyphrases
- subband image coding
- vector quantizer
- vector quantization
- coding scheme
- filter bank
- image coding
- lattice structure
- image compression
- distortion measure
- entropy coding
- step size
- noise shaping
- entropy constrained
- quantization scheme
- quantization error
- subband
- neural network
- color quantization
- lattice points
- database
- human perception
- partial order
- frequency domain
- rough sets
- cost function
- genetic algorithm
- uniform quantization