A Comparison of Some Gradient Threshold Estimators for the Nonlinear Diffusion of Perona-Malik. A Novel Proposal to Improve Edges Detection in Mammography Images.
Reinaldo Barrera TraviesoAngela Mireya León-MecíasJosé A. Mesejo-ChiongRichard M. Méndez-CastilloPublished in: IWAIPR (2023)
Keyphrases
- nonlinear diffusion
- speckle noise
- anisotropic diffusion
- perona malik
- edge detection
- scale spaces
- gaussian scale space
- denoising
- ultrasound images
- scale space
- structure tensor
- input image
- image denoising
- edge detector
- image analysis
- fidelity term
- noise reduction
- sar images
- edge preserving
- image structure
- gaussian noise
- diffusion equation
- multiscale
- partial differential equations
- zero crossing
- object recognition
- low contrast
- image processing
- critical points
- texture information
- object identification
- image features
- synthetic aperture radar