Structured Dictionary Learning for Image Denoising Under Mixed Gaussian and Impulse Noise.
Hong ZhuMichael K. NgPublished in: IEEE Trans. Image Process. (2020)
Keyphrases
- gaussian noise
- image denoising
- impulse noise
- denoising
- noisy images
- sparse coding
- natural images
- sparse representation
- total variation
- noise level
- noise removal
- partial differential equations
- impulsive noise
- image processing
- image deblurring
- denoising algorithm
- higher order
- image patches
- multiscale
- nonlinear diffusion
- bilateral filter
- object recognition
- denoising methods
- test images
- image representation
- image classification
- face recognition
- feature space
- edge preservation
- machine learning
- high quality
- input image
- median filter
- signal processing
- signal to noise ratio