Bandpass Filters Using Tunable Half-Wavelength Resonators with Transmission Zeros.
Kouji WadaShinya WatanabeRyosuke SugaOsamu HashimotoPublished in: IEICE Trans. Electron. (2005)
Keyphrases
- bandpass
- low pass
- frequency domain
- subband
- high frequency
- frequency band
- filter bank
- textured images
- low frequency
- spatial domain
- zero crossing
- discrete wavelet transform
- edge information
- contrast enhancement
- grey level
- geometric distortions
- image processing
- wavelet transform
- feature extraction
- image enhancement
- bit rate
- video quality
- signal processing
- digital images
- high resolution