A diffusion process for wavelet-transform-based image denoising and its application to document image binarization.
Lixin FanLiying FanChew Lim TanPublished in: ICIP (3) (2003)
Keyphrases
- image denoising
- diffusion process
- denoising
- wavelet coefficients
- anisotropic diffusion
- partial differential equations
- wavelet domain
- denoising algorithm
- denoising methods
- document images
- noisy images
- total variation
- natural images
- bilateral filtering
- diffusion equation
- image processing
- multiscale
- wavelet transform
- subband
- wavelet decomposition
- noise removal
- multiresolution
- discrete wavelet transform
- feature vectors
- nonlinear diffusion
- queue length
- high frequency
- frequency domain
- gaussian noise
- noise level
- input image
- image segmentation
- translation invariant
- edge detection