Two-stage image denoising algorithm based on noise localization.
Fengcai HuoWeihao ZhangQiong WangWeijian RenPublished in: Multim. Tools Appl. (2021)
Keyphrases
- denoising algorithm
- denoising
- noise level
- image denoising
- noise model
- noise free
- noise reduction
- noise suppression
- denoising methods
- wavelet coefficients
- edge preservation
- noisy images
- nonlocal means
- transform domain
- gaussian noise
- minimum mean square error
- natural images
- multiscale
- wavelet domain
- cone beam computed tomography
- signal to noise ratio
- noise removal
- image segmentation
- gray scale
- input image
- low frequency
- high frequency
- image data
- similarity measure
- gaussian distribution
- anisotropic diffusion
- test images
- grayscale images
- subband
- edge detection
- object recognition