On the Convergence Rate of Projected Gradient Descent for a Back-Projection Based Objective.
Tom TirerRaja GiryesPublished in: SIAM J. Imaging Sci. (2021)
Keyphrases
- convergence rate
- conjugate gradient
- convergence speed
- learning rate
- step size
- global convergence
- cost function
- computationally efficient
- primal dual
- gradient method
- mutation operator
- neural network
- numerical stability
- faster convergence rate
- learning algorithm
- wavelet neural network
- global optimization
- level set
- gravitational search algorithm