An augmented Lagrangian multi-scale dictionary learning algorithm.
Qiegen LiuJianhua LuoShanshan WangMoyan XiaoMeng YePublished in: EURASIP J. Adv. Signal Process. (2011)
Keyphrases
- augmented lagrangian
- multiscale
- learning algorithm
- constrained optimization
- total variation
- convex optimization
- constrained optimization problems
- image denoising
- duality gap
- linear programming problems
- machine learning
- natural images
- lagrange multipliers
- regularization term
- edge detection
- scale space
- image processing
- primal dual
- wavelet coefficients
- wavelet transform
- denoising
- training data
- image restoration
- differential evolution
- penalty function
- optimization problems
- linear programming