Noise level estimation using weak textured patches of a single noisy image.
Xinhao LiuMasayuki TanakaMasatoshi OkutomiPublished in: ICIP (2012)
Keyphrases
- noise level
- noisy images
- image patches
- noise estimation
- noise model
- denoising algorithm
- image denoising
- denoising
- additive noise
- hyperparameters
- edge detection
- gaussian noise
- map estimation
- noise variance
- natural images
- radon transform
- spatially varying
- noise reduction
- line fitting
- denoising methods
- estimation algorithm
- impulse noise
- error rate
- noise removal
- image processing
- test images
- restored image
- wavelet coefficients
- image data