A Delta-Sigma Modulator Using a Non-uniform Quantizer Adjusted for the Probability Density of Input Signals.
Toru KitayabuMao HagiwaraHiroyasu IshikawaHiroshi ShiraiPublished in: IEICE Trans. Commun. (2012)
Keyphrases
- delta sigma
- probability density
- input signals
- noise shaping
- image coding
- filter bank
- density estimation
- linear combination
- random variables
- gaussian mixture model
- subband
- error diffusion
- probability density function
- probability distribution
- operating conditions
- mixture model
- multiresolution
- graphical models
- image coder
- quantization noise
- image quality
- multiscale
- feature vectors
- similarity measure
- bit rate
- probabilistic model
- computer vision