Unsupervised Classification in Hyperspectral Imagery With Nonlocal Total Variation and Primal-Dual Hybrid Gradient Algorithm.
Wei ZhuVictoria ChayesAlexandre TiardStephanie SánchezDevin DahlbergAndrea L. BertozziStanley J. OsherDominique ZossoDa KuangPublished in: IEEE Trans. Geosci. Remote. Sens. (2017)
Keyphrases
- primal dual
- dual formulation
- total variation
- convex optimization
- unsupervised classification
- image restoration
- denoising
- linear programming
- computational complexity
- image denoising
- linear program
- augmented lagrangian
- linear programming problems
- convergence rate
- worst case
- np hard
- objective function
- k means
- high quality
- interior point methods
- optimal solution