PDE-based nonlinear diffusion techniques for denoising scientific and industrial images: an empirical study.
Sisira WeeratungaChandrika KamathPublished in: Image Processing: Algorithms and Systems (2002)
Keyphrases
- nonlinear diffusion
- denoising
- edge preservation
- speckle noise
- vector valued images
- image denoising
- gaussian noise
- anisotropic diffusion
- wavelet shrinkage
- fourth order
- noise removal
- ultrasound images
- noisy images
- noise reduction
- denoising methods
- image processing
- scale spaces
- nonlinear diffusion filtering
- edge preserving
- total variation
- wavelet domain
- wavelet denoising
- input image
- edge detection
- object recognition
- vector valued
- partial differential equations
- natural images
- denoising algorithm
- image features
- frequency domain
- image analysis
- structure tensor
- fully automatic
- beltrami flow
- semi implicit