QR Iterative Subspace Identification and Its Application in Image Denoising.
Chanzi LiuQingchun ChenPublished in: ICIG (2011)
Keyphrases
- image denoising
- denoising
- noisy images
- natural images
- total variation
- partial differential equations
- image processing
- soft thresholding
- wavelet coefficients
- wavelet domain
- denoising algorithm
- qr decomposition
- denoising methods
- feature space
- nonlinear diffusion
- additive gaussian noise
- feature extraction
- singular value decomposition
- image deblurring
- principal component analysis
- statistical model
- higher order
- augmented lagrangian
- total variation regularization
- high dimensional
- wavelet domain hidden markov tree
- error correction
- dimensionality reduction
- object recognition