Convergence Analysis of Nonconvex Distributed Stochastic Zeroth-order Coordinate Method

no code implementations • 24 Mar 2021 • Shengjun Zhang, Yunlong Dong, Dong Xie, Lisha Yao, Colleen P. Bailey, Shengli Fu

This paper investigates the stochastic distributed nonconvex optimization problem of minimizing a global cost function formed by the summation of $n$ local cost functions.

Stochastic Optimization

Obstacle Avoidance and Navigation Utilizing Reinforcement Learning with Reward Shaping

no code implementations • 28 Mar 2020 • Daniel Zhang, Colleen P. Bailey

In this paper, we investigate the obstacle avoidance and navigation problem in the robotic control area.

reinforcement-learning Reinforcement Learning (RL)

Extremal Region Analysis based Deep Learning Framework for Detecting Defects

no code implementations • 19 Mar 2020 • Zelin Deng, Xiaolong Yan, Shengjun Zhang, Colleen P. Bailey

A maximally stable extreme region (MSER) analysis based convolutional neural network (CNN) for unified defect detection framework is proposed in this paper.

Defect Detection