I develop machine learning algorithms for healthcare and physical science applications. Specifically, I'm interested in reinforcement learning, meta-learning, domain adaptation, representation learning, and neuroscience.
There is nothing as practical as a good theory. — Kurt Lewin
Automated Optical Multi-layer Design via Deep Reinforcement Learning Haozhu Wang ,
Zeyu Zheng,
Chengang Ji,
L. Jay Guo
Machine Learning: Science and Technology, 2021
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code/
abridged NeurIPS workshop version/
Training a novel sequence generation network with Proximal Policy Optimization for automatically discovering near-optimal optical designs.
COVID-19 Risk Scoring in Los Angeles County
Litian Zhou, Wenxue Li, Zhangxing Bian, Yuxuan Cao, Xinyu Li, Weixiao Wang, Zixian Ma
Junhwan Kim, Zijin Chu, Yuxi Xie, Yueze Song, Chaoyi Wang, Ruopeng Wang, Linh Tran
Haozhu Wang*, L. Jay Guo*
RMDS COVID-19 Challenge, 2020 (*: correspondence)
report
Apply LSTM and LR models for spatio-temporal COVID-19 risk prediction.
Return to Work After Injury: A Sequential Prediction & Decision Problem
Erkin Ötleş*
Haozhu Wang *,
Suyanpeng Zhang,
Brian Denton,
Jenna Wiens,
Jon Seymour
Machinet Learning for Healthcare (clinical abstract), 2019 (*: equal contribution)
report
Apply Q-learning to insurance claim data to learn near-optimal dynamic treatment regimes.
Expert-yielded-estimates regularizer for incorporating expert knowledge into linear models.
Learning to Share: Simultaneous Parameter Tying and Sparsification in Deep Learning
Dejiao Zhang*,
Haozhu Wang *,
Mario A.T. Figueiredo,
Laura Balzano
ICLR, 2018 (*: equal contribution)
paper/
code
Group-ordered-weighted lasso (GrOWL) for deep model compression.
Surface Plasmon Polariton Laser based on a Metallic Trench Fabry-Perot Resonator
Wenqi Zhu,
Ting Xu,
Haozhu Wang ,
Cheng Zhang,
Parag B. Deotare,
Amit Agrawal,
Henri J. Lezec
Science Advances, 2017
paper
Surface plasmon polariton laser with a novel device structure.
Single-Photon Imager based on a Superconducting Nanowire Delay Line
Qing-Yuan Zhao,
Di Zhu,
Niccolò Calandri,
Andrew E. Dane,
Adam N. McCaughan,
Francesco Bellei,
Hao-Zhu Wang,
Daniel F. Santavicca,
Karl K. Berggren
Nature Photonics, 2017
paper
Superconduting nanowire single photon detector as a highly-sensitive imager.