Ill-conditioning of the truncated singular value decomposition, Tikhonov regularization and their applications to numerical partial differential equations.
Zi-Cai LiHung-Tsai HuangYimin WeiPublished in: Numer. Linear Algebra Appl. (2011)
Keyphrases
- singular value decomposition
- partial differential equations
- anisotropic diffusion
- image denoising
- least squares
- level set
- image processing
- singular values
- image enhancement
- low rank
- multiscale
- principal component analysis
- energy functional
- dimensionality reduction
- diffusion equation
- vector valued
- high order
- edge detection
- natural images
- regularization parameter
- pattern recognition
- original data
- denoising
- machine learning
- reproducing kernel hilbert space