Noise reduction system using modified DFT pair.
N. NakanishiYoshio ItohYutaka FukuiKensaku FujiiPublished in: ISCAS (2) (2001)
Keyphrases
- noise reduction
- signal to noise ratio
- edge preserving
- edge detection
- noisy environments
- noise level
- frequency domain
- median filter
- speckle noise
- pairwise
- noise removal
- wiener filter
- edge enhancement
- noise detection
- noise filtering
- speech enhancement
- multiscale
- image enhancement
- noise free
- discrete fourier transform
- multiplicative noise
- total variation
- bilateral filter
- speech recognition