Data Assimilation

• Siyi Chen, Yixuan Jia, Qing Qu, He Sun, Jeffrey A Fessler. FlowDAS: A Flow-Based Framework for Data Assimilation. Arxiv Preprint arXiv:2501.16642, 2025.
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Solving Inverse Problems via Diffusion Models

• Bowen Song*, Soo Min Kwon*, Zecheng Zhang, Xinyu Hu, Qing Qu, Liyue Shen. Solving Inverse Problems with Latent Diffusion Models via Hard Data Consistency. International Conference on Learning Representations (ICLR’24), 2024. (spotlight, top 5%)
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• Xiang Li, Soo Min Kwon, Ismail R. Alkhouri, Saiprasad Ravishankar, Qing Qu. Decoupled Data Consistency with Diffusion Purification for Image Restoration. ArXiv Preprint arXiv:2403.06054, 2024.
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• Ismail Alkhouri, Shijun Liang, Cheng-Han Huang, Jimmy Dai, Qing Qu, Saiprasad Ravishankar, Rongrong Wang. SITCOM: Step-wise Triple-Consistent Diffusion Sampling for Inverse Problems. ArXiv Preprint arXiv:2410.04479, 2024.
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Spectrum Reconstruction for Chip-Scale Spectrometer

• Tuba Sarwar, Can Yaras, Xiang Li, Qing Qu, Pei-Cheng Ku. Miniaturizing a Chip-Scale Spectrometer Using Local Strain Engineering and Total-Variation Regularized Reconstruction. Nano Letters 22 (20), 8174-8180, 2022.
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• Jiyi Chen*, Pengyu Li*, Yutong Wang, Pei-Cheng Ku, Qing Qu. Sim2Real in Reconstructive Spectroscopy: Deep Learning with Augmented Device-Informed Data Simulation. APL Machine Learning, Vol.2, No. 3, pp. 036106, Aug. 2024.
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• Juhyeon Kim, Jiyi Chen, Pengyu Li, Yutong Wang, Qing Qu, Pei-Cheng Ku. UV-VIS chip-scale spectropolarimeter. Proc. SPIE 13026, Next-Generation Spectroscopic Technologies XVI, 13026057, 2024.
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Deep Image Prior with Medical Imaging Applications

• Shijun Liang, Evan Bell, Qing Qu, Rongrong Wang, Saiprasad Ravishankar. Analysis of Deep Image Prior and Exploiting Self-Guidance for Image Reconstruction. IEEE Transactions on Computational Imaging, 2025.
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• Ismail Alkhouri, Shijun Liang, Evan Bell, Qing Qu, Rongrong Wang, Saiprasad Ravishankar. Image Reconstruction Via Autoencoding Sequential Deep Image Prior. Neural Information Processing Systems (NeurIPS’24), 2024.
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• Shijun Liang, Evan Bell, Qing Qu, Rongrong Wang, Saiprasad Ravishankar. Analysis of Deep Image Prior and Exploiting Self-Guidance for Image Reconstruction. ArXiv Preprint arXiv:2402.04097, 2024.
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• Evan Bell, Shijun Liang, Qing Qu, Saiprasad Ravishankar. Robust Self-Guided Deep Image Prior. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP’23), 2023.
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• Ismail Alkhouri*, Shijun Liang*, Rongrong Wang, Qing Qu, Saiprasad Ravishankar. Diffusion-based Adversarial Purification for Robust Deep MRI Reconstruction. ArXiv Preprint arXiv:2309.05794, 2023.
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