Gaussian noise removal with exponential functions and spectral norm of weighted Hankel matrices.
Tianyu QiuWenjing LiaoDi GuoDongbao LiuXin WangXiaobo QuPublished in: CoRR (2020)
Keyphrases
- noise removal
- gaussian noise
- denoising
- anisotropic diffusion
- fourth order
- image enhancement
- noise reduction
- weight matrices
- edge detection
- noisy images
- impulsive noise removal
- edge preservation
- diffusion filtering
- salt and pepper noise
- image restoration
- partial differential equations
- signal to noise ratio
- image details
- diffusion equation
- bilateral filter
- multiresolution
- image interpolation
- edge preserving
- impulse noise
- image compression
- natural images
- image denoising
- digital images
- noise level