Use of Volterra Filters in OCDMA-based PON to Estimate Beat Noise.
Yasuyuki OkumuraKatsuyuki FujiiPublished in: Inf. Media Technol. (2012)
Keyphrases
- wiener filter
- median filter
- image enhancement
- filtering method
- noise reduction
- wiener filtering
- signal to noise ratio
- linear filters
- morphological filters
- low pass filter
- noise level
- estimation error
- impulsive noise
- order statistics
- impulse response
- least squares
- noise removal
- noise suppression
- additive noise
- gaussian filter
- image noise
- noisy data
- edge detection
- denoising
- noise model
- bilateral filter
- anisotropic diffusion
- image restoration
- openings and closings
- adaptive filter
- higher order statistics
- multiscale
- high pass
- noise detection
- image details
- adaptive filtering
- super resolution
- color images