Analytical Synthesis of High-Pass, Band-Pass and Low-Pass Biquadratic Filters and its Quadrature Oscillator Application Using Current-Feedback Operational Amplifiers.
San-Fu WangHua-Pin ChenYi-Tsen KuMing-Xiu ZhongPublished in: IEEE Access (2021)
Keyphrases
- low pass
- bandpass
- high pass
- frequency domain
- high frequency
- subband
- filter bank
- wavelet decomposition
- discrete wavelet transform
- low frequency
- wavelet transform
- low pass filter
- gaussian filter
- geometric distortions
- contrast enhancement
- spatial domain
- frequency band
- multiresolution
- textured images
- filter responses
- wavelet domain
- visual quality
- edge information
- histogram equalization
- computational complexity
- feature extraction
- multiscale