Research

Hard questions, and the software to answer them.

Thirteen years of research across medical imaging, neuroscience and statistical physics. Driven by impact for the greater good, with computational work as the common thread and an interdisciplinary approach throughout.

Google Scholar profile

01Memorial Sloan Kettering Cancer Center, 2021 – 2025

Making body MRI faster

Pushing the boundaries of diffusion and body magnetic resonance imaging (MRI) for faster, clearer scans, with deep learning reconstruction validated in clinical studies. Together with colleagues in the Medical Physics and Radiology departments.

With Youngwook Kee, Eric Aliotta, Ricardo Otazo and Iva Petkovska.

  1. Accelerated Free-Breathing 5D Multi-Echo Respiratory Motion-Resolved R2*, PDFF, and QSM Using Novel Composite Total Variation

    Mungsoo Kang, Or Alus, Youngwook Kee

    Medical Image Computing and Computer Assisted Intervention (MICCAI), 2025

  2. Free-Breathing 5D Multi-Echo Respiratory Motion-Resolved R2*, PDFF, and QSM Using Novel Composite Total Variation

    Mungsoo Kang, Ricardo Otazo, Gerald Behr, Or Alus, Youngwook Kee

    International Society for Magnetic Resonance in Medicine (ISMRM), abstract, 2025

  3. Clinical evaluation of accelerated diffusion-weighted imaging of rectal cancer using a denoising neural network

    Iva Petkovska*, Or Alus*, Lee Rodriguez, Maria El Homsi, Jennifer S. Golia Pernicka, Maria Clara Fernandes, Junting Zheng, Marinela Capanu, Ricardo Otazo

    European Journal of Radiology (2024): 111802

    *Co-first authors

  4. Accelerating low-distortion diffusion MRI of the head and neck with transfer learning from a different organ, acquisition and scanner

    Or Alus, Victoria Yu, Ricardo Otazo, Eric Aliotta

    ISMRM, abstract, 2024

  5. Convolutional Network Denoising for Acceleration of Multi-Shot Diffusion MRI

    Or Alus, Maria El Homsi, Jennifer Golia Pernicka, Lee Rodriguez, Yousef Mazaheri, Youngwook Kee, Iva Petkovska, Ricardo Otazo

    Magnetic Resonance Imaging 105 (2024): 108–113

  6. Accelerated multi-shot diffusion MRI using deep learning denoising

    Or Alus, Maria El Homsi, Lee Rodriguez, Yousef Mazaheri, Youngwook Kee, Iva Petkovska, Ricardo Otazo

    ISMRM, abstract, 2023

    Magna Cum Laude merit award

  7. Accelerated Diffusion-Weighted MRI of Rectal Cancer Using a Residual Convolutional Network

    Mohaddese Mohammadi, Elena A. Kaye, Or Alus, Youngwook Kee, Jennifer S. Golia Pernicka, Maria El Homsi, Iva Petkovska, Ricardo Otazo

    Bioengineering 10, no. 3 (2023): 359

02Ph.D., Department of Physics, Technion – Israel Institute of Technology, 2012 – 2018

Universality in chaos and dynamical systems

Finding structure and universality in systems that are partly chaotic, both classical and quantum. I had the great privilege of being advised by the late Shmuel Fishman, whom I miss dearly, and of receiving additional guidance from Jim Meiss.

With Shmuel Fishman and Jim Meiss.

  1. Statistical Description of Mixed Phase Space Hamiltonian Systems

    Or Alus

    Ph.D. thesis, Department of Physics, Technion – Israel Institute of Technology, 2018

  2. Quantum correlations for a simple kicked system with mixed phase space

    Or Alus, Shmuel Fishman, Mark Srednicki

    Physical Review E 97, 062213 (2018)

  3. Universal exponent for transport in mixed Hamiltonian dynamics

    Or Alus, Shmuel Fishman, James D. Meiss

    Physical Review E 96, 032204 (2017)

  4. Probing the statistics of transport in the Hénon map

    Or Alus, Shmuel Fishman, James D. Meiss

    European Physical Journal Special Topics 225, 6 (2016): 1181–1186

  5. Diffusion for Ensembles of Standard Maps

    Or Alus, Shmuel Fishman

    Physical Review E 92, 042904 (2015)

  6. Statistics of the Island-Around-Island Hierarchy in Hamiltonian Phase Space

    Or Alus, Shmuel Fishman, James D. Meiss

    Physical Review E 90, 062923 (2014)

Nested islands in the phase space of the Hénon map
Hierarchies of dynamics in a mixed chaotic system, the Hénon map. Physical Review E 90, 062923 (2014)
Quantum spreading of a wave function in the standard map
Quantum spreading of a wave function started in the chaotic component of the standard map. Physical Review E 97, 062213 (2018)

03Undergraduate research in Materials Engineering, with Rafael Advanced Defense Systems, 2010 – 2012

Strain sensing in adhesives

Monitoring the loads inside adhesive joints with fiber-optic Bragg grating sensors.

  1. Monitoring the loads inside adhesive joints by fiber Bragg sensors

    E. Shafir, G. Berkovic, S. Zilberman, Y. Saadi, Or Alus, M. Rein, Y. Shoin, H. Bar, O. Breuer

    Proceedings of the 6th European Workshop on Structural Health Monitoring (EWSHM 2012), ed. C. Boller, pp. 507–514

04Rockefeller University, 2018 – 2021

Other projects

  • Identifying whether subjects under anesthetic drugs are awake or asleep from their electroencephalogram (EEG) signals, with Marcelo Magnasco at Rockefeller University.
  • Analyzing neural imaging of the rodent olfactory bulb to connect the chemical properties of odors to the sense of smell, with Marcelo Magnasco at Rockefeller University.