Nonlinear diffusion system for simultaneous restoration and binarization of degraded document images.
Zhongjie DuChuanjiang HePublished in: Comput. Math. Appl. (2024)
Keyphrases
- document images
- nonlinear diffusion
- anisotropic diffusion
- scale spaces
- denoising
- image denoising
- image restoration
- edge preserving
- partial differential equations
- document analysis
- restored image
- noisy images
- vector valued
- noise removal
- image processing
- noise reduction
- image binarization
- optical character recognition
- diffusion equation
- scale space
- scanned documents
- translation invariant
- printed documents
- structure tensor
- motion blur
- document image retrieval
- speckle noise
- page layout
- edge detection
- least squares
- pattern recognition