1.8 V, 25.9 nW, 91.86 dB dynamic range second-order lowpass filter tunable in the range 4-100 Hz.
Jayaram Reddy Machha Krishna ReddyTonse LaxminidhiPublished in: IET Circuits Devices Syst. (2019)
Keyphrases
- light source
- dynamic range
- high pass
- low pass
- bandpass
- low frequency
- frequency band
- transfer function
- high frequency
- histogram equalization
- high dynamic range
- frequency domain
- gaussian filter
- subband
- contrast enhancement
- wavelet transform
- tone mapping
- spatially varying
- filter bank
- discrete wavelet transform
- high speed
- multiscale
- signal to noise ratio
- wavelet decomposition
- multiresolution
- wavelet coefficients
- image quality
- wavelet domain
- image compression
- image data