New multirate bandpass sigma-delta modulators.
Francisco Colodro RuizAntonio TorralbaAlfredo Pérez Vega-LealFrancisco Perez RidaoPublished in: IEEE Trans. Circuits Syst. I Regul. Pap. (2004)
Keyphrases
- sigma delta
- bandpass
- subband
- filter bank
- low pass
- frequency domain
- high order
- wavelet transform
- frequency band
- image compression
- multiresolution
- high frequency
- bit rate
- wavelet coefficients
- image sensor
- low frequency
- feature vectors
- matlab simulink
- textured images
- geometric distortions
- spatial domain
- higher order
- computer vision
- high quality
- grey level
- control algorithm
- simulation model
- bitstream
- visual quality
- image analysis
- gray scale
- denoising
- control system
- color images