About Me
I am currently a Ph.D. student in the Biomedical Imaging Group at University of Southern California (USC), advised by Prof. Richard Leahy.
My research primarily focuses on applying machine learning techniques—particularly generative models, computer vision, and semi-supervised learning—to medical imaging. I prioritize working on problems that require creative and critical thinking, and I value being part of a dynamic, collaborative team where the environment fosters both innovation and productivity.
My Research
My research focuses on applying machine and deep learning techniques, particularly generative models, computer vision, and semi-supervised learning, to medical imaging. I have worked on projects ranging from positive-unlabeled (PU) learning for image data as well as time series EEG signals to developing diffusion models for 3D brain image synthesis and inpainting. Additionally, I have applied quantile regression for anomaly detection and image translation, as well as explored image registration techniques, and image captioning using vision transformers. Currently, my work is centered on creating a multimodal foundational model to handle diverse medical data modalities for unified analysis.
Most Recent Work Experience
- Jan 2021 – Present: Research Assistant
- University of Southern California
- Duties include: Research on the intersection of machine learning and medical imaging
- Advisor: Professor Richard Leahy
- May 2024 – August 2024: Machine Learning Intern
- Insitro
- Duties include: Diffusion Models for Image-to-Image Translation
- Jan 2021 – Jan 2024: Teaching Assistant
- University of Southern California
- Course: EE 503 Probability for Electrical and Computer Engineers
Education
Ph.D. in Electrical Engineering, University of Southern California
2025 (expected)
M.S. in Electrical Engineering, University of Southern California
2023
B.S. in Electrical Engineering, King Saud University
2020
Publications
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Omar Zamzam
arxiv preprints
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Omar Zamzam, Haleh Akrami, Mahdi Soltanolkottabi, Richard Leahy
arxiv preprints
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ICASSP
Haleh Akrami*, Omar Zamzam*, Anand Joshi, Sergul Aydore, Richard Leahy (*Equal Contribution)
International Conference on Acoustics, Speech and Signal Processing
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ICASSP
Omar Zamzam, Haleh Akrami, Richard Leahy
International Conference on Acoustics, Speech and Signal Processing
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OHBM
Omar Zamzam, Anand Joshi, John C Wood, Krishna S Nayak, Richard M Leahy
Organization for Human Brain Mapping
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Brain Communications
Brain Communications Journal
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