Wavelet Diffusion for Document Image Denoising.
Lixin FanLiying FanChew Lim TanPublished in: ICDAR (2003)
Keyphrases
- image denoising
- denoising
- wavelet coefficients
- nonlinear diffusion
- wavelet domain
- wavelet shrinkage
- noisy images
- natural images
- denoising methods
- denoising algorithm
- total variation
- wavelet denoising
- partial differential equations
- image processing
- wavelet transform
- anisotropic diffusion
- multiscale
- additive gaussian noise
- bilateral filtering
- image deblurring
- singularity detection
- higher peak signal to noise ratio
- shift invariant
- noise removal
- subband
- wavelet domain hidden markov tree
- nonlocal means
- document classification
- diffusion process
- gaussian noise
- wavelet decomposition
- speckle noise
- sar images
- frequency domain
- multiresolution
- high frequency
- object recognition
- similarity measure