Haozhu Wang 

I'm a Ph.D. student in EECS Department at University of Michigan, where I work on machine learning and applications to science and engineering. Previously, I received my B.Eng. in Optoelectronics from a joint program at Tianjin University and Nankai University. I visited QNN lab at MIT RLE during my last year of undergraduate study.

I always enjoy collaborating with aspiring researchers. Please feel free to send me an email if you want to discuss about research ideas.

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Research

I'm developing machine learning algorithms for speeding up scientific discoveries and engineering designs. In the past, I've worked on model compression and ML applications in healthcare. I have broad interests in computer vision, time series modeling, deep learning, Bayesian optimization, and reinforcement learning.

There is nothing more practical than a good theory.Kurt Lewin

Automated Optical Multi-layer Design via Deep Reinforcement Learning
Haozhu Wang , Zeyu Zheng, Chengang Ji, L. Jay Guo
arXiv, 2020
arXiv/ code

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.

Learning Credible Models
Jiaxuan Wang, Jeeheh Oh, Haozhu Wang , Jenna Wiens
KDD, 2018
paper/ code

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.

Teaching
cs188 EECS 504 Fundations of Computer Vision (W20), Prof. Andrew Owens
Graduate Student Instructor

EECS 545 Machine Learning (F17), Prof. Mert Pilanci
Graduate Student Instructor

Service
Reviewer: NeurIPS'20, AMIA'20, MLHC'18-20
Useful Links

The source code of this website is from Jon Barron.

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