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A Preconditioner for A Primal-Dual Newton Conjugate Gradient Method for Compressed Sensing Problems.
Ioannis K. Dassios
Kimon Fountoulakis
Jacek Gondzio
Published in:
SIAM J. Sci. Comput. (2015)
Keyphrases
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primal dual
compressed sensing
interior point
interior point methods
linear programming
conjugate gradient method
iterative methods
approximation algorithms
image reconstruction
linear program
convergence rate
convex optimization
random projections
natural images
reinforcement learning
multiscale
active learning