Adaptive step size selection in distributed optimization with observation noise and unknown stochastic target variation.
Siyu XieMasoud H. NazariLe Yi WangGeorge YinPublished in: Autom. (2022)
Keyphrases
- step size
- adaptive filter
- variable step size
- faster convergence
- steepest descent method
- stochastic gradient descent
- line search
- convergence rate
- cost function
- convergence speed
- noise free
- hessian matrix
- adaptive filtering
- least mean square
- optimization algorithm
- global convergence
- global optimization
- wavelet coefficients
- noise level
- quantization step
- optimization methods
- signal to noise ratio
- image quality
- least squares