Efficient noise reduction in images using directional modified sigma filter.
Hye-Youn LimDae-Seong KangPublished in: J. Supercomput. (2013)
Keyphrases
- noise reduction
- edge detection
- speckle noise
- edge preservation
- noise free
- multiplicative noise
- noise filtering
- signal to noise ratio
- median filter
- edge preserving
- noise removal
- noisy environments
- directional filtering
- noise level
- input image
- wiener filter
- edge preserving smoothing
- image analysis
- edge enhancement
- noise detection
- fine details
- noise cancellation
- multiscale
- denoising methods
- bilateral filter
- image processing
- gaussian noise
- noisy images
- nonlinear diffusion
- speech enhancement
- high pass
- impulsive noise
- impulse noise
- input output
- hearing aids