Nonsubsampled contourlet transform with cross-guided bilateral filter for despeckling of medical ultrasound images.
Thapasimuthan JoelSivakumar RajagopalPublished in: Int. J. Imaging Syst. Technol. (2021)
Keyphrases
- ultrasound images
- bilateral filter
- edge preserving
- speckle noise
- denoising
- noise removal
- image denoising
- noise reduction
- edge detection
- signal processing
- parameter selection
- ultrasound imaging
- noisy images
- anisotropic diffusion
- speckle reduction
- contourlet transform
- image restoration
- higher order
- image fusion
- low resolution
- natural images
- pattern recognition
- computer vision