High-performance variable band-pass/band-stop state-space digital filters using Gramian-preserving frequency transformation.
Shunsuke KoshitaKeita MiyoshiMasahide AbeMasayuki KawamataPublished in: Digit. Signal Process. (2014)
Keyphrases
- digital filters
- bandpass
- state space
- frequency band
- low pass
- high pass
- transfer function
- discrete wavelet transform
- low pass filter
- frequency spectrum
- iir filters
- subband
- frequency domain
- low frequency
- infinite impulse response
- high frequency
- frequency response
- multiresolution
- image fusion
- gaussian filter
- filter bank
- wavelet coefficients
- fir filters
- image enhancement
- median filter
- spatial domain
- filter responses
- textured images
- zero crossing
- image features
- contrast enhancement