Noise reduction system based on frequency domain adaptive filter using modified DFT pair.
Isao NakanishiYoshio ItohYutaka FukuiPublished in: ISCAS (2) (2001)
Keyphrases
- frequency domain
- noise reduction
- adaptive filter
- noise free
- spectrum analysis
- fourier transform
- spatial domain
- median filter
- signal to noise ratio
- discrete fourier transform
- adaptive filtering
- image filtering
- noise level
- filtering algorithm
- edge detection
- feature extraction
- noise removal
- denoising
- step size
- impulse noise
- denoising algorithm
- fourier analysis
- subband
- face recognition
- wavelet domain
- noisy images