Nonlinear diffusion equation with a dynamic threshold-based source for text binarization.
Zhongjie DuChuanjiang HePublished in: Appl. Math. Comput. (2024)
Keyphrases
- diffusion equation
- scale space
- anisotropic diffusion
- diffusion process
- partial differential equations
- noise removal
- image enhancement
- boundary conditions
- diffusion coefficient
- gaussian kernel
- filtering method
- numerical integration
- scale spaces
- diffusion processes
- edge detection
- preprocessing
- finite difference
- nonlinear diffusion
- reaction diffusion
- machine learning
- gaussian noise
- higher order
- denoising
- feature vectors
- multiscale
- image processing