Keyphrases
- noise removal
- noise level
- noise reduction
- gaussian noise
- multiscale
- edge detection
- noisy images
- diffusion equation
- denoising
- sparsely connected
- densely connected
- edge preservation
- salt and pepper noise
- image processing
- fourth order
- anisotropic diffusion
- impulse noise
- information networks
- community structure
- denoising algorithm
- image enhancement
- edge preserving
- signal to noise ratio
- error rate
- network structure
- wavelet transform
- median filter
- training set
- signal processing
- image representation
- complex networks
- image restoration
- input image
- wavelet domain
- spatial domain
- scale space
- nonlinear diffusion
- image denoising
- object recognition
- pattern recognition
- overlapping communities
- feature extraction
- machine learning