Speckle Noise Reduction Using Fourth Order Complex Diffusion Based Homomorphic Filter.
Jyothisha J. NairV. K. GovindanPublished in: ACITY (2) (2012)
Keyphrases
- fourth order
- nonlinear diffusion
- speckle noise
- anisotropic diffusion
- noise removal
- ultrasound images
- noise reduction
- speckle reducing anisotropic diffusion
- edge preservation
- low contrast
- sar images
- speckle reduction
- partial differential equations
- edge preserving
- additive noise
- diffusion equation
- denoising
- edge detection
- synthetic aperture radar
- diffusion process
- scale spaces
- image denoising
- wavelet domain
- high order
- object recognition
- impulse noise
- signal to noise ratio
- image processing
- level set
- texture information
- scale space
- noise level
- maximum likelihood
- high frequency