2 code implementations • 8 Nov 2022 • XiLin Li
A matrix free and a low rank approximation preconditioner are proposed to accelerate the convergence of stochastic gradient descent (SGD) by exploiting curvature information sampled from Hessian-vector products or finite differences of parameters and gradients similar to the BFGS algorithm.
no code implementations • 18 May 2022 • Marvin Tammen, XiLin Li, Simon Doclo, Lalin Theverapperuma
In mobile speech communication applications, wind noise can lead to a severe reduction of speech quality and intelligibility.
no code implementations • 10 Sep 2018 • Silvia L. Pintea, Jian Zheng, XiLin Li, Paulina J. M. Bank, Jacobus J. van Hilten, Jan C. van Gemert
We focus on the problem of estimating human hand-tremor frequency from input RGB video data.