Poisson-Gaussian Noise Reduction for X-Ray Images Based on Local Linear Minimum Mean Square Error Shrinkage in Nonsubsampled Contourlet Transform Domain.
Sangyoon LeeMoon Gi KangPublished in: IEEE Access (2021)
Keyphrases
- gaussian noise
- x ray images
- denoising
- denoising algorithm
- transform domain
- image denoising
- noisy images
- x ray
- spatial domain
- frequency domain
- signal to noise ratio
- noise model
- medical images
- natural images
- image processing
- wavelet domain
- noise removal
- noise variance
- noise level
- jpeg compression
- impulse noise
- noise reduction
- multiresolution
- low frequency
- wavelet coefficients
- computational complexity
- multiscale
- three dimensional