Current-mode operational transconductance amplifier-capacitor biquad filter structures based on Tarmy-Ghausi Active-RC filter and second-order digital all-pass filters.
Dattaguru V. KamatPemmaraju V. Ananda MohanK. Gopalakrishna PrabhuPublished in: IET Circuits Devices Syst. (2010)
Keyphrases
- image filters
- filtering scheme
- steerable filters
- impulse response
- median filter
- high pass
- image filtering
- adaptive filter
- correlation filters
- noise reduction
- nonlinear filters
- filter design
- gaussian filter
- noise suppression
- morphological filters
- order statistics
- filtering algorithm
- optimal filter
- frequency response
- error criterion
- rank order
- adaptive filtering
- bilateral filter
- filtering method
- low pass filter
- impulsive noise
- perfect reconstruction
- filtering process
- bandpass
- digital filters
- filter bank
- short circuit
- image processing
- vessel enhancement
- quadrature mirror
- iir filters
- spatial filtering
- low pass
- image enhancement
- higher order
- color images