From Heuristic Optimization to Dictionary Learning: A Review and Comprehensive Comparison of Image Denoising Algorithms.
Ling ShaoRuomei YanXuelong LiYan LiuPublished in: IEEE Trans. Cybern. (2014)
Keyphrases
- denoising algorithm
- dictionary learning
- denoising
- image denoising
- sparse representation
- image classification
- sparse coding
- input image
- image data
- natural images
- noise level
- noise reduction
- image features
- nonlocal means
- denoising methods
- multiscale
- image representation
- edge detection
- image segmentation
- test images
- noisy images
- transform domain
- gaussian noise
- noise model
- wavelet coefficients
- image regions
- high resolution
- image retrieval
- feature selection
- machine learning
- high dimensional
- signal processing