A lapped transform domain enhanced lee filter with edge detection for speckle noise reduction in SAR images.
Deepika HazarikaVijay Kumar NathManabendra BhuyanPublished in: ReTIS (2015)
Keyphrases
- noise reduction
- transform domain
- edge detection
- sar images
- edge detector
- speckle noise
- synthetic aperture radar
- spatial domain
- wavelet domain
- multiplicative noise
- edge preserving
- median filter
- multiscale
- signal to noise ratio
- image enhancement
- noisy images
- image processing
- discrete cosine transform
- anisotropic diffusion
- speckle reduction
- noise level
- canny edge detector
- impulse noise
- impulsive noise
- image coding
- ultrasound images
- wavelet decomposition
- discrete wavelet transform
- frequency domain
- additive noise
- filter bank
- watermarking algorithm
- denoising algorithm
- maximum likelihood
- denoising
- motion estimation