Modified pyramid dual tree direction filter-based image denoising via curvature scale and nonlocal mean multigrade remnant filter.
Lin TengHang LiShoulin YinPublished in: Int. J. Commun. Syst. (2018)
Keyphrases
- image denoising
- dual tree
- nonlocal means
- scale space
- denoising
- multiscale
- natural images
- noisy images
- denoising methods
- zero crossing
- noise reduction
- denoising algorithm
- wavelet coefficients
- image processing
- partial differential equations
- noise removal
- wavelet domain
- wavelet transform
- nl means
- image structure
- multiresolution
- input image
- discrete wavelet transform
- shift invariant
- image analysis
- noise model
- object recognition
- contourlet transform
- image data
- image features
- image restoration
- noise level
- higher order