An augmented Lagrangian approach for sparse principal component analysis.
Zhaosong LuYong ZhangPublished in: Math. Program. (2012)
Keyphrases
- augmented lagrangian
- sparse principal component analysis
- constrained optimization
- total variation
- constrained optimization problems
- convex optimization
- image denoising
- linear programming problems
- image restoration
- regularization term
- denoising
- principle component analysis
- lagrange multipliers
- optimization problems
- natural images
- energy function
- crossover operator
- graph cuts