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Arman Rahmim, Ph.D.

Arman Rahmim, Ph.D.

Photo of Dr. Arman Rahmim, Ph.D.

Chief Physicist, Section of High Resolution Brain PET Imaging, Division of Nuclear Medicine, Department of Radiology

Associate Professor of Radiology and Radiological Science

Background

Dr. Arman Rahmim is an Associate Professor in the Johns Hopkins Medicine Department of Radiology and Radiological Science. Additionally, he serves as chief physicist in the Section of High Resolution Brain PET Imaging in the Division of Nuclear Medicine.

Dr. Rahmim received his M.S. in condensed matter physics and a Ph.D. in medical imaging physics from the University of British Columbia. His laboratory at the division of nuclear medicine pursues state-of-the-art tomographic image reconstruction and analysis methods that can assist in brain, cardiac and oncologic applications. He is a principal investigator or co-investigator on a number of grants focusing on enhanced quantitative imaging, with particular focus on translation to clinical imaging.

Dr. Rahmim also holds a joint appointment in the Johns Hopkins University Department of Electrical & Computer Engineering. He lectures for ECE/BME students as well as nuclear medicine residents and post-doctoral fellows.

Dr. Rahmim was elected as an IEEE Senior Member in 2012, and is a member of the Public Education Board at the American Association of Physicists in Medicine (AAPM), and the Computer and Instrumentation Council (CaIC) of the Society of Nuclear Medicine & Molecular Imaging (SNMMI). 

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Titles

  • Chief Physicist, Section of High Resolution Brain PET Imaging, Division of Nuclear Medicine, Department of Radiology
  • Associate Professor of Radiology and Radiological Science

Departments / Divisions

Research & Publications

Lab

The Rahmim Lab pursues interdisciplinary research toward enhanced quantitative image generation and analysis for tomographic medical imaging devices (PET, SPECT, CT) including emphasis on multi-modality imaging (e.g., PET/MRI, PET/CT). Our lab has extensive experience and expertise with mathematical, computational and engineering tools to achieve state-of-the-art medical imaging, and we continue to lead collaborations with researchers in the areas of imaging physics/engineering, mathematics, computer science, radiochemistry, biological modeling and medicine. We aim to develop and validate novel solutions for medical device data acquisition, data correction, image reconstruction and quantification. We actively pursue and lead research on the three fronts of brain, cardiac and oncologic imaging, all aimed at robust and feasible quantitative imaging.

Selected Publications

View all on Pubmed

  1. Alessio AM, Rahmim A, Orton CG. "Resolution modeling enhances PET imaging." Med Phys. 2013 Dec;40(12):120601. doi: 10.1118/1.4821088.
  2. Karakatsanis NA, Lodge MA, Zhou Y, Wahl RL, Rahmim A. "Dynamic whole-body PET parametric imaging: II. Task-oriented statistical estimation." Phys Med Biol. 2013 Oct 21;58(20):7419-45. doi: 10.1088/0031-9155/58/20/7419. Epub 2013 Sep 30.
  3. Karakatsanis NA, Lodge MA, Tahari AK, Zhou Y, Wahl RL, Rahmim A. "Dynamic whole-body PET parametric imaging: I. Concept, acquisition protocol optimization and clinical application." Phys Med Biol. 2013 Oct 21;58(20):7391-418. doi: 10.1088/0031-9155/58/20/7391. Epub 2013 Sep 30.
  4. Rahmim A, Tang J. "Noise propagation in resolution modeled PET imaging and its impact on detectability." Phys Med Biol. 2013 Oct 7;58(19):6945-68. doi: 10.1088/0031-9155/58/19/6945. Epub 2013 Sep 13.
  5. Mehranian A, Rad HS, Rahmim A, Ay MR, Zaidi H. "Smoothly clipped absolute deviation (SCAD) regularization for compressed sensing MRI using an augmented Lagrangian scheme." Magn Reson Imaging. 2013 Oct;31(8):1399-411. doi: 10.1016/j.mri.2013.05.010. Epub 2013 Jul 24.

Activities & Honors

Memberships

  • American Association of Physicists in Medicine
  • IEEE senior member
  • Society of Nuclear Medicine and Molecular Imaging

Professional Activities

  • Diplomate, American Board of Science in Nuclear Medicine
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