Research Scientist

Nick 

Dr. Nicholas Chimitt received the B.S. degree in Electrical Engineering from Purdue University Northwest in 2017, and Ph.D. degree in Electrical Engineering from Purdue University West Lafayette in 2023. His research interests include image restoration, turbulence modeling and machine learning.

Postdoc

Xijun 

Xijun Wang (Postdoc, 2024-now) received her Ph.D. degree from Northwestern University in 2024. She received her B.S. degree from Yingcai Honors College of University of Electronic Science and Technology of China (UESTC). Her research interests lie in machine learning and deep learning, particularly focusing on computer vision tasks such as imagevideo generation, imagevideo restoration, activity classification, and temporal action localization. Currently, she is working on projects related to video restoration and generative models, including GANs, diffusion models, and VAEs.

Current Students

Yiheng 

Yiheng Chi (PhD, 2018 - now) received the B.S. degree in Computer Engineering from Purdue University in 2018, where he is currently pursuing the PhD degree. His current research interests include image and video restoration, imaging on mobile devices, denoising, computer vision, machine learning and artificial intelligence.

Guanzhe 

Guanzhe Hong (PhD, 2018 - now) received the B.S. degree in electrical engineering with minor in mathematics from University of Toronto in 2017. He came to Purdue in 2018, and is currently developing deep learning theory for knowledge distillation.

Kent 

Kent Gauen (PhD, 2019 - now) received a B.S. degree in Computer Engineering from Purdue University in 2018. His research interests include unsupervised burst image denoising and continuous-time probabilistic modeling.

Xingguang Zhang 

Xingguang Zhang (PhD, 2021 - now) received the Bachelar's degree of Engineering from Zhejiang University in 2018, and the MS degree in ECE from Purdue University in 2020. He joined the i2Lab in 2021, and is currently studying imaging through turbulence.

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Harshana Weligampola (PhD, 2022 - now) received a B.S. degree in Computer Engineering in 2020 from the University of Peradeniya, Sri Lanka. He is a recipient of the Purdue University Ross Fellowship and currently pursuing his Ph.D. in Electrical and Computer Engineering. His research interests include low-light imaging, artificial intelligence, and optimization.

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Prateek Chennuri (PhD, 2022 - now) received his B.Tech and M.Tech Degrees at the Indian Institute of Technology Gandhinagar in 2021. He worked as a Research Associate at the Spectrum Lab, Indian Institute of Science (IISc) Bangalore during 2021-22. His research interests include computational imaging, image restoration, computer vision, and machine learning.

Kavinga 

Hashan (Kavinga) Weerasooriya (PhD, 2022 - now) received his B.S. Degree in Electrical Engineering from University of Peradeniya, Sri Lanka in 2020. He is currently a PhD student at Purdue West Lafayette. His research interest includes single-photon LiDAR modeling and signal processing.

Yu 

Yu Yuan (PhD, 2023 - now) received the B.Eng. and M.S degrees in Aeronautical and Astronautical Engineering from Shanghai Jiao Tong University, 2020 and 2023, respectively. He is currently a PhD student at Purdue West Lafayette. His research interests include computational photography and machine learning.

Weijian 

Weijian Zhang (PhD, 2023 - now) received the B.Eng. degree in Optoelectronic Information Science from University of Electronic Science and Technology of China in 2021, and M.S. in Electrical Engineering from UCLA in 2023. He was an exchange student at UC Berkeley in 2019. He is currently a Ph.D. student at Purdue West Lafayette.

Almuallem 

Ali Almuallem (PhD, 2023 - now) received the B.S. degree in Computer Science from Arizona State University. He is currently a PhD student at Purdue West Lafayette.

Alumni

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Postdoc 1 Abdullah Al-Shabili (Postdoc, 2022-2023) received the P.hD. degree in electrical engineering from New York University, NY, USA in 2022. He was a Postdoctoral Associate with Purdue University, West Lafayette, IN, USA. He is a recipient of the New York University Ernst Weber Fellowship. His research interests include modeling and solving inverse problems in computational imaging using machine learning, optimization, and signal processing.

Dr. Al-Shabili is now with Sony.

Joon 

PhD 1 Joon Hee Choi (PhD, 2018) received his B.E. in Electronics Engineering and B.B.A. in Business Administration from Sogang University in 2004, M.S. degree in Electrical and Computer Engineering from Purdue University in 2014, and Ph.D. degree in Electrical and Computer Engineering from Purdue University in 2018. Prior to attending Purdue, he was an assistant manager at Samsung Electronics in South Korea from 2003 to 2012. His research interests include machine learning, image/video restoration, computer vision, and optimization algorithms for large-scale datasets.

Dr. Choi is now an Principal Engineer / Manager at Samsung Semiconductor.

Omar 

PhD 2 Omar A. Elgendy (PhD, 2019) received the B.Sc. degree in Electronics and Communications Engineering (Distinction with honors) in 2010, the M.Sc. degree in Engineering Mathematic in 2015, from Faculty of Engineering, Cairo University, and the PhD degree in Electrical and Computer Engineering from Purdue University, West Lafayette, IN, in 2019. Dr. Elgendy is the recipient of the Best Paper Award in the 2016 IEEE International Conference on Image Processing (ICIP 2016) with Prof. Stanley Chan. He also receive the Bilsland Dissertation Fellowship 2018 from Purdue University. His research interests include statistical signal processing, single-photon imaging, pattern classification, and optimization.

Dr. Elgendy is now an Image Processing Specialist at GigaJot Tech.

Xiran 

PhD 3 Xiran Wang (PhD, 2019) received his B.Sc. in Electrical Engineering from Rice University in 2013, and the PhD degree in Electrical and Computer Engineering from Purdue University, West Lafayette, IN in 2019. His research interests include image and video restoration, large-scale optimization and computational photography. He is a recipient of the Purdue University Ross Fellowship.

Dr. Wang is now a Video Algorithm Engineer at Zoom.

Chengxi 

PhD 4 Chengxi Li (PhD, 2021) received the B.S. degree in electrical engineering Fudan University in 2016. She received the PhD degree in Electrical and Computer Engineering from Purdue University, West Lafayette, IN in 2021. Her research interests include computer vision, image processing, and autonomouns driving.

Dr. Li is now a Research Scientist at Meta.

Abhiram 

PhD 5 Abhiram Gnanasambandam (PhD, 2022) received the B.S. degree in Electrical Engineering from India Institute of Technolongy, Madras in 2017. He received the PhD degree in Electrical and Computer Engineering from Purdue University, West Lafayette, IN in 2022. His research interests include applcation of statistical signal processing to Quanta Image Sensors and other low light imaging applications. Dr. Abhiram is a recipient of the Purdue College of Engineering Outstanding Graduate Researcher Award 2022.

Dr. Abhirma is now a Senior Engineer at Samsung Research America.

Xiangyu 

PhD 6 Xiangyu Qu (PhD, 2023) received the B.S. degree in Electrical Engineering from Purdue University in 2017. He joined the i2Lab in 2016 as a team member for the Signal Processing Cup 2016, and continued doing research on computational photography during his senior year. He is a recipient of the Purdue University Ross Fellowship. His research interests include photon limited imaging, computer vision and machine learning.

Dr. Qu is now a Senior Engineer at Apple.

Zhiyuan 

PhD 7 Zhiyuan Mao (PhD, 2023) received the B.Eng. degree in Electronic and Computer Engineering from Hong Kong University of Science and Technology in 2017. In 2016 he was an exchange student at UT-Austin. His research interests include convex optimization, image restoration and computational imaging.

Dr. Mao is now a Senior Engineer at Samsung Research America.

Yash 

Yash Sanghvi (PhD, 2019 - 2024) received the B. Tech and M. Tech degrees in electrical engineering from India Institute of Technology, Bombay in 2019. He is currently a PhD student in electrical engineering at Purdue University, West Lafayette, IN.

Dr. Sanghvi is now an Engineer at Qualcomm.

Kevin Valanarasu 

MS 1 Kevin Valanarasu (MS, 2022) received the B.Tech degree in electrical engineering from India Institute of Technology, Madras in 2018. He was a software engineer at Texas Instrument from 2018-2021. He joined Purdue in 2021, and worked on on quanta image sensors.

Mr. Valanarasu is now a DSP Firmware Engineer at Apple.

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MS 2 Preston Rahim (MS, 2023) received his B.S. in Computer Engineering from Purdue University in Spring 2022. He spent his undergraduate Summers at NASA and Milwaukee Tool. He was an MS student in the i2Lab working towards his M.S. in Electrical and Computer Engineering.

Undergraduate students

  • Maximilian Drach (2023-now), will join Stanford as an MS student.

  • Vikramaditya Baid (2023-now).

  • Mykhailo Tsysin (2021-now).

  • Akshat Bisht (2021-now).

  • Xinyu Yang (2022-2023), now MS student at Purdue.

  • Tanon Chokkhanchitchai (2021-2022), now MS student at Stanford.

  • Praneeth Medepalli (2019-2021), now MS student at Stanford.

  • Natat Sombuntham (2018-2019), now at Facebook.

  • Yiheng Chi (2018-2019), now PhD student at Purdue.

  • Xiangyu Qu (2016), now at Apple.