A Novel Image Denoising Algorithm Based on Non-subsampled Contourlet Transform and Modified NLM.
Huayong YangXiaoli LinPublished in: ICIC (3) (2018)
Keyphrases
- denoising algorithm
- denoising
- nonlocal means
- image denoising
- noise level
- noise reduction
- noise model
- transform domain
- noisy images
- wavelet coefficients
- denoising methods
- input image
- natural images
- cone beam computed tomography
- image processing
- wavelet domain
- image data
- multiscale
- non subsampled contourlet transform
- image segmentation
- edge detection
- spatial domain
- image analysis
- test images
- region of interest
- high frequency
- image features
- color images
- gaussian noise
- high resolution
- feature vectors