Intelligent Imaging Lab
Welcome
Welcome to Purdue Intelligent Imaging Lab (i2Lab). Follow us at
Mission
In i2lab, our mission is to build intelligent cameras by co-designing sensors and algorithms to enable seeing in all imaging conditions.
Books and Tutorials
Seminar / Tutorials
Research News
- 2026-09 New paper “Markov-Renewal Single-Photon LiDAR Simulator”, ECCV.
- 2026-06 New paper “SeeU: Seeing the Unseen World via 4D Dynamics-aware Generation”, CVPR.
- 2026-06 New paper “FlowSteer: Conditioning Flow Field for Consistent Image Restoration”, CVPR.
- 2026-05 New paper “Diffusion Algorithm for Metalens Optical Aberration Correction”, ICASSP.
- 2026-05 New paper “Real-Time Markov Modeling for Single-Photon LiDAR”, ICASSP.
- 2026-04 New paper “NewtonGen: Physics-Consistent and Controllable Text-to-Video Generation”, ICLR.
- 2025-09 Best Paper Award IEEE ICIP 2025 “Quanta Diffusion”
- 2025-05 New paper “BIST: Bayesian-Inspired Space-Time Superpixels”, ICCV.
- 2025-03 New paper “Learning Phase Distortion with Selective State Space Models for Video Turbulence Mitigation”, CVPR.
- 2025-03 New paper “Generative Photography: Scene-Consistent Camera Control for Realistic Text-to-Image Synthesis”, CVPR.
- 2024-10 New paper “Why Fine-grained Labels in Pretraining Benefit Generalization?”, TMLR.
- 2024-09 New paper “Soft Superpixel Neighborhood Attention”, NeurIPS.
- 2024-09 New paper “Quanta Video Restoration”, ECCV.
- 2024-09 New paper “Kernel Diffusion: An Alternate Approach to Blind Deconvolution”, ECCV.
- 2024-07 New paper “Parametric Modeling and Estimation of Photon Registrations for 3D Imaging”, MMSP.
- 2024-07 New paper “Analysis and Improvement of Rank-Ordered Mean Algorithm in Single-Photon LiDAR”, MMSP.
- 2024-05 New paper “PCH-EM: A solution to information loss in the photon transfer method”, IEEE TED.
- 2024-03 New paper “Resolution Limit of Single-Photon LiDAR”, CVPR.
- 2024-03 New paper “Generative Quanta Color Imaging”, CVPR.
- 2024-02 New paper “Spatio-Temporal Turbulence Mitigation: A Translational Perspective”, CVPR.
- 2024-01 New paper “Imaging through the Atmosphere using Turbulence Mitigation Transformer”, IEEE TCI.
- 2024-01 New paper “Spatially Varying Exposure With 2-By-2 Multiplexing: Optimality and Universality”, IEEE TCI.
- 2023-10 New paper “Driver-centric Risk Object Identification”, IEEE TPAMI.
- 2023-08 New paper “Anisoplanatic Optical Turbulence Simulation for Near-Continuous Cn2 Profiles without Wave Propagation”, SPIE Optical Engineering.
- 2023-07 New paper “Physics-Driven Turbulence Image Restoration with Stochastic Refinement”, ICCV.
- 2023-03 New paper “HDR Imaging with Spatially Varying Signal-to-Noise Ratios”, CVPR.
- 2023-03 New paper “Structured Kernel Estimation for Photon-Limited Deconvolution”, CVPR.
- 2023-01 New paper “On the Insensitivity of Bit Density to Read Noise in One-bit Quanta Image Sensors”, IEEE Sensors Journal.
News of i2Lab Faculty
- 2025-08 Prof Chan is appointed as the Deputy Editor in Chief for IEEE Transactions on Computational Imaging.
- 2024-07 Prof Chan is now the chair of the CNSIP area in ECE.
- 2024-04 Prof Chan is promoted to full professor.
- 2022-01 Prof Chan won the IEEE Signal Processing Society Best Paper Award for Plug-and-Play ADMM published in IEEE Trans. Comp. Imaging in 2017.
- 2022-05 Prof Chan is recognized as an outstanding reviewer for CVPR 2022.
- 2021-08 Prof Chan is recognized by the IEEE Signal Processing Society as an Outstanding Associate Editor for the IEEE Transactions on Computational Imaging.
- 2021-08 Prof Chan is recognized as an Outstanding engineering teacher.
- 2021-05 Prof Chan is promoted to Elmore Associate Professor of Electrical and Computer Engineering.
News of i2Lab Members
- 2025-12 Nick Chimitt recieved IEEE SPS Best PhD Dissertation Award!
- 2025-07 Guanzhe Hong passed his Ph.D. defense. Congratulations Dr. Hong!
- 2025-05 Xingguang Zhang pass his Ph.D. defense. Congratulations Dr. Zhang!
- 2024-11 Kent Gauen passed his Ph.D. defense. Congratulations Dr. Gauen!
- 2024-05 Yiheng Chi passed his Ph.D. defense. Congratulations Dr. Chi!
- 2024-04 Yash Sanghvi passed his Ph.D. defense. Congratulations Dr. Sanghvi!
- 2023-05 Xiangyu Qu passed his Ph.D. defense. Congratulations Dr. Qu!
- 2023-05 Zhiyuan Mao passed his Ph.D. defense. Congratulations Dr. Mao!
- 2022-04 Abhiram Gnanasambandam passed his Ph.D. defense. Congratulations Dr. Abhiram!
- 2022-03 Abhiram Gnanasambandam received Outstanding Graduate Researcher Award 2022.
- 2021-10 Chengxi Li passed her Ph.D. defense. Congratulations Dr. Li!
- 2020-04 Guanzhe Hong received Magoon Excellence TA Award 2020.
- 2019-07 Xiran Wang passed his Ph.D. defense. Congratulations Dr. Wang!
- 2019-05 Omar Elgendy passed his Ph.D. defense. Congratulations Dr. Elgendy!
- 2018-05 Joon Hee Choi passed his Ph.D. defense. Congratulations Dr. Choi!
- 2018-01 Omar Elgendy received the Purdue Bilsland Dissertation Fellowship.
Education News
- 2024-04 Summer course on Machine Learning for Beginners. Registration open!
- 2023-05 Summer course on Machine Learning for Beginners. Registration open!
- 2022-04 Summer course on Machine Learning for Beginners. Registration open!
- 2022-01 New course ECE495 Cameras, Images, Inverse Problems
- 2021-06 Summer course on Machine Learning for Beginners.
- 2020-11 New book on Introduction to Probability for Data Science.
- 2020-08 ECE302 Undergraduate Probability Fall 2020. See course Lectures and Videos.
- 2021-01 ECE595 Machine Learning I Spring 2021. See course Lectures and Videos.
Media Coverage
- 2021-08 Optical adversarial attack can change the meaning of road signs (unite.ai).
- 2020-11 New HDR imaging capability using single-photon image sensors (Purdue ECE News).
- 2020-07 New breakthroughs in computer vision for imaging in the dark (Purdue ECE News).
- 2020-07 Resolving fast movement in low light (Image Sensor World Blog).
- 2020-06 Training one deep neural network for all noise levels (Purdue ECE News).
- 2020-05 ECE researcher to study adversarial attack in real environment (Purdue ECE News).
Sponsors
Research at i2Lab is sponsored by
- NSF: CCSS: Small: Wavefront Estimation (2025-2027) (PI)
- NSF: CIF: Small: Angular Encoded Imaging (2025-2027) (co-PI)
- DARPA: Cidar Challenge (2025-2026) (PI)
- DARPA-SRC JUMP 2.0 (2023-2027) (co-PI)
- Samsung Global Research Outreach Award 2023, 2024, 2025 (PI)
- Samsung Research America (2022, 2023, 2024, 2025, 2026) (single PI)
- IARPA (2021-2024) (co-PI)
- NSF: RI: Small Learning to See Through Atmospheric Turbulence (2022-2024) (single PI)
- NSF: SCALE MoDL: Robust Deep Learning in Real Physical Space: Generalization, Scalability, and Credibility (2021-2024) (co-PI)
- NSF: CCSS: Small: Short-Exposure Imaging through Atmospheric Turbulence using Single Photon Image Sensors (2020-2023) (single PI)
- Army Research Office: Adversarial Robustness in Real Environment (2020-2021) (single PI)
- NSF: CIF: Medium: Multi-Agent Consensus Equilibrium: Modular Methods for Integrating Disparate Sources of Expertise (2018-2022) (co-PI)
- NSF: CIF: Small: Signal Processing for Quanta Image Sensors: Reconstruction, Sampling, and Applications (2017-2021) (single PI)
- Air Force Research Lab and Leidos: Mitigating Turbulence in Long Range Imagery using Consensus Equilibrium (2018 - 2019) (single PI)
- HypeVR: Image Processing for Virtual Reality Applications (2017-2018) (single PI)
- and other sponsors.



