On the Saturation Phenomenon of Stochastic Gradient Descent for Linear Inverse Problems.

Bangti Jin Zehui Zhou Jun Zou

Published in: CoRR (2020)

Keyphrases

stochastic gradient descent
loss function
least squares
matrix factorization
step size
total least squares
support vector machine
weight vector
collaborative filtering
regularization parameter
image restoration
image processing
similarity measure
high resolution
missing data
multiple kernel learning