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Extending the step-size restriction for gradient descent to avoid strict saddle points.
Hayden Schaeffer
Scott G. McCalla
Published in:
CoRR (2019)
Keyphrases
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step size
saddle points
cost function
stochastic gradient descent
scale space
convergence rate
critical points
convergence speed
saddle point
objective function
endpoints
face recognition
image analysis
optical flow
loss function
vector field