Contourlet transform based adaptive nonlinear diffusion filtering for speckle noise removal in ultrasound images.
L. JubairahmedS. SatheeskumaranC. VenkatesanPublished in: Clust. Comput. (2019)
Keyphrases
- ultrasound images
- noise removal
- edge detection
- speckle noise
- denoising
- anisotropic diffusion
- noise suppression
- nonlinear diffusion
- noise reduction
- speckle reduction
- image enhancement
- medical ultrasound
- image denoising
- diffusion equation
- multiscale
- gaussian noise
- image processing
- edge detector
- edge preserving
- impulse noise
- noisy images
- mathematical morphology
- signal to noise ratio
- natural images
- multiresolution
- wavelet domain
- partial differential equations
- denoising algorithm