CV
Updated September 2026.
Contact Information
| Name | Haozhe (Hank) Si |
| Professional Title | Ph.D. Student, Electrical and Computer Engineering |
| haozhes3@illinois.edu |
Professional Summary
Research interests: multimodal foundation models, remote sensing, generative models, parameter-efficient transfer learning, and out-of-distribution generalization.
Experience
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2023 - 2026 Research Assistant
IBM-Illinois Discovery Accelerator Institute (IIDAI)
- With Prof. Han Zhao and Dr. Hendrick Hamann.
- Designed flexible and efficient foundation models for multimodal and hyperspectral geospatial data.
- Researched foundation models for spatiotemporal and multi-source geospatial data.
- Developed large-scale geospatial datasets and pipelines for multi-source acquisition, spatial and temporal indexing, alignment, metadata management, quality control, and scalable preprocessing.
- Worked on a large-scale event-centric InSAR dataset, including event discovery, geospatial sampling, temporal organization, preprocessing, and quality assessment.
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2025 - 2025 Applied Scientist Intern
Amazon — Customer Trust
- With Prof. Rui Song, Prof. Hengrui Cai, and Prof. Sheng Wang.
- Researched conditioned text-embedding synthesis via an autoregressive conditional variational autoencoder.
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2024 - 2024 Applied Scientist Intern
Amazon — Merch on Demand
- With Dr. Zhixiong Zhang.
- Enhanced text controllability and identity fidelity for personalized image generative models.
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2022 - 2023 Research Intern
Shanghai AI Lab
- With Prof. Bin Zhao.
- Researched fully self-supervised depth from defocus.
Education
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2022 - 2027 Ph.D.
University of Illinois Urbana-Champaign
Electrical and Computer Engineering
- Expected graduation: May 2027. GPA: 4.0.
- Advisor: Prof. Han Zhao.
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2018 - 2021 Bachelor of Science
University of Illinois Urbana-Champaign
Computer Engineering
- GPA: 3.97.
- Highest Honors at Graduation.
Publications
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2026 LESSViT: Robust Hyperspectral Representation Learning under Spectral Configuration Shift
Advances in Neural Information Processing Systems
Haozhe Si, Y. Wan, Y. Wang, M. Do, Han Zhao
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2025 Moment Alignment: Unifying Gradient and Hessian Matching for Domain Generalization
Conference on Uncertainty in Artificial Intelligence
Y. Chen, Haozhe Si, G. Zhang, Han Zhao
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2025 Towards a Foundation Model for Multi-modal and Multi-spectral Geospatial Data
TerraBytes Workshop at ICML
Haozhe Si, Y. Wan, M. Do, V. Deepak, Han Zhao, H. F. Hamann
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2024 Furry IP-Adapter: Preserving the Text-to-Image Capability of Stable Diffusion in IP-Adapter
Amazon Computer Vision Conference Workshop on Multimodal Generation
Haozhe Si, X. Zhang, Z. Zhang
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2024 Enhancing Compositional Generalization via Compositional Feature Alignment
Transactions on Machine Learning Research
Haoxiang Wang, Haozhe Si, Huajie Shao, Han Zhao
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2023 Fully Self-Supervised Depth Estimation from Defocus Clue
IEEE/CVF Conference on Computer Vision and Pattern Recognition
Haozhe Si, Bin Zhao, Dong Wang, Mulin Chen, Yunpeng Gao, Zhigang Wang, Xuelong Li
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2022 Provable Domain Generalization via Invariant-Feature Subspace Recovery
International Conference on Machine Learning
Haoxiang Wang, Haozhe Si, Bo Li, Han Zhao
Preprints
- ChronoEarth-492K: A Large Scale and Long Horizon Spatiotemporal Hyperspectral Dataset and Benchmark. Haozhe Si, Y. Wan, Y. Wang, M. Do, Han Zhao. Under review at ISPRS Journal of Photogrammetry and Remote Sensing.
- Invariant-Feature Subspace Recovery: A New Class of Provable Domain Generalization Algorithms. Haoxiang Wang (equal contribution), G. Balasubramaniam (equal contribution), Haozhe Si, Bo Li, Han Zhao. Under review at Journal of Machine Learning Research (JMLR).
Service
Reviewer: NeurIPS (2023, 2026); TPAMI (2023, 2024, 2026); AAAI (2024); TMLR (2024); CVPR (2026); ECCV (2026).
Awards
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James Scholar, Grainger College of Engineering
University of Illinois Urbana-Champaign
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The O. Thomas and Martha S. Purl Scholarship
University of Illinois Urbana-Champaign
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Highest Honors at Graduation, Grainger College of Engineering
University of Illinois Urbana-Champaign
Teaching
ECE 544: Pattern Recognition: Fall 2026, University of Illinois Urbana-Champaign.
ECE 385: Digital Systems Laboratory: Spring 2023 and Fall 2023, University of Illinois Urbana-Champaign.