Research Interests
I'm interested in Computational Imaging, Computer Vision, and deep learning applications in these domains. Within these fields, I have a special interest in Implicit Neural Representations (INRs).
I currently work on wavefront estimation (a.k.a. phase retrieval) problems for aberrations corrections.
Manuscripts and Puplications
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Opto-Electronic Convolutional Neural Network Design Via Direct Kernel Optimization
Ali Almuallem, Harshana Weligampola, Abhiram Gnanasambandam, Wei Xu, Dilshan Godaliyadda, Hamid R. Sheikh, Stanley H. Chan, and Qi Guo.
Manuscript (under-review), 2025
ArXiv | PDF
An efficient two-stage approach to designing a hybrid optical electronic CNNs.
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Wavefront Estimation From a Single Measurement: Uniqueness and Algorithms
Nicholas Chimitt, Ali Almuallem, Qi Guo, and Stanley H. Chan.
IEEE Transactions on Computational Imaging, 2025
ArXiv | Project page
Toward real-time wavefront estimation from a single measurement for adaptive optics.
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Phase Retrieval of a Point Spread Function
Nicholas Chimitt, Ali Almuallem and Stanley H. Chan.
SPIE Unconventional Imaging, Sensing, and Adaptive Optics, 2024
PDF
A non-iterative method to estimate the wavefront (aberrations) from a single measurement of the PSF.
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Latest Updates
- 2025, Sep: Our paper Wavefront Estimation From a Single Measurement: Uniqueness and Alorithms was accepted in IEEE Transactions on Computational Imaging.
- 2023, AUG: I joined the Intelligent Imaging Lab at Purdue University as a doctoral student with Prof. Stanley H. Chan.
- 2023, APR: I was awarded the Inspiring Global Citizen Award by ASU for the graduating class of spring 2023.
- 2022, DEC: I was selected for and was awarded the FURI research funding for spring 2023.
- 2022, MAY: I started a research internship with Prof. Wolfgang Heidrich.
- 2022, APR: I presented my work on batched rays CT in the FURI symposium. Project | Image
- 2021, DEC: I was selected for and was awareded the FURI research funding for spring 2022.
- 2021, AUG: I joined the Imaging Lyceum Lab at ASU to work with Prof. Suren Jayasuriya
- 2021, JUN: I was selected to participate in the SSI summer research internship with Prof. Peter Wonka at KAUST.
- 2020, AUG: I joined Arizona State University for my undergraduate degree in Computer Science.
- 2019, AUG: I joined Seattle Central College to finish my math, physics, and basic general classes.
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Notable Classes
- ECE51300: Digital Camera and Fourier Optics (Grad-level, in-progress, Fall 2025.)
- STAT59800: Machine Learning (Grad-level)
- ECE60146: Deep Learning (Grad-level)
- ECE66100: Computer Vision (Grad-level)
- EEE598: Physics-based Computer Vision (Grad-level at ASU.)
- EEE598: Remote Sensing and Synthetic Aperture Imaging (Grad-level at ASU.)
- CSE499: Independent research in Computed Tomography reconstruction using Implicit Neural Representations. (at ASU.)
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Languages
- Python
- Java
- C++.
- Familiar with: HTML, Javascript, MATLAB, and C.
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Research Comunity Service
- Reviewer for IEEE ICIP 2025
- Reviewer for IEEE ICASSP2025
- Reviewer for IEEE CVPR 2024: 7th Workshop and Challenge Bridging the Gap between Computational Photography and Visual Recognition (UG2+)
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~3500M ASL, Mount Kilimanjaro, Tanzania . June 2019. (c) Ali Almuallem.
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