Image denoising via sparse approximation using eigenvectors of graph Laplacian.
Yibin TangYing ChenNing XuAimin JiangYuan GaoPublished in: VCIP (2015)
Keyphrases
- graph laplacian
- image denoising
- spectral clustering
- denoising
- noisy images
- natural images
- noise model
- basis functions
- total variation
- sparse coding
- image processing
- pointwise
- wavelet coefficients
- semi supervised learning
- multiscale
- linear combination
- semi supervised
- maximum likelihood
- image classification
- principal component analysis
- active learning
- pairwise
- object recognition
- gaussian process
- machine learning