Search Results for author: Yu-Jun Li

Found 3 papers, 1 papers with code

An Asymptotically Optimal Multi-Armed Bandit Algorithm and Hyperparameter Optimization

1 code implementation11 Jul 2020 Yimin Huang, Yu-Jun Li, Hanrong Ye, Zhenguo Li, Zhihua Zhang

The evaluation of hyperparameters, neural architectures, or data augmentation policies becomes a critical model selection problem in advanced deep learning with a large hyperparameter search space.

Bayesian Optimization Data Augmentation +6

A Stochastic Proximal Point Algorithm for Saddle-Point Problems

no code implementations13 Sep 2019 Luo Luo, Cheng Chen, Yu-Jun Li, Guangzeng Xie, Zhihua Zhang

We consider saddle point problems which objective functions are the average of $n$ strongly convex-concave individual components.

The Error Probability of Random Fourier Features is Dimensionality Independent

no code implementations27 Oct 2017 Jean Honorio, Yu-Jun Li

We show that the error probability of reconstructing kernel matrices from Random Fourier Features for the Gaussian kernel function is at most $\mathcal{O}(R^{2/3} \exp(-D))$, where $D$ is the number of random features and $R$ is the diameter of the data domain.

regression

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