Dual Iterative Hard Thresholding: From Non-convex Sparse Minimization to Non-smooth Concave Maximization.
Bo LiuXiao-Tong YuanLezi WangQingshan LiuDimitris N. MetaxasPublished in: ICML (2017)
Keyphrases
- objective function
- convex functions
- piecewise linear
- primal dual
- convexity properties
- hard thresholding
- denoising
- minimization problems
- sparse representation
- linear program
- convex optimization
- image denoising
- efficient optimization
- convex sets
- image processing
- wavelet coefficients
- higher order
- feature space
- image segmentation