Power and Noise Reduction of High-Frequency Variable Gain Amplifier.
C. S. SajinT. A. Shahul HameedPublished in: J. Circuits Syst. Comput. (2022)
Keyphrases
- high frequency
- noise reduction
- low frequency
- signal to noise ratio
- edge preserving
- visual quality
- edge detection
- noise level
- high resolution
- subband
- median filter
- wavelet transform
- wiener filter
- high frequencies
- discrete wavelet transform
- noisy environments
- low pass
- wavelet decomposition
- speckle noise
- high frequency components
- speech enhancement
- dynamic range
- high pass
- frequency band
- machine learning
- low bit rate coding
- wavelet coefficients
- multiresolution
- image processing
- feature selection