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