Ricardo Otazo: Publications

View a full listing of Ricardo Otazo: Publications’ journal articles.

Original research (selected)

  1. Otazo R, Kim D, Axel L, Sodickson DK. Combination of Compressed Sensing and Parallel Imaging for Highly Accelerated First-Pass Cardiac Perfusion MRI. Magn Reson Med. 2010; 64(3):767-76.
  2. Chandarana H, Feng L, Block TK, Rosenkrantz AB, Lim RP, Babb JS, Sodickson DK, Otazo R. Free-breathing contrast-enhanced multiphase MRI of the liver using a combination of compressed sensing, parallel imaging, and golden-angle radial sampling. Invest Radiol. 2013;48(1):10-6.
  3. Feng L, Block KT, Grimm R, Chandarana H, Kim S, Xu J, Axel L, Sodickson DK, Otazo R. Golden-Angle Radial Sparse Parallel MRI: Combination of compressed sensing, parallel imaging and golden-angle radial sampling for fast and flexible dynamic volumetric MRI. Magn Reson Med. 2014 Sep;72(3):707-17.
  4. Otazo R, Candès E, Sodickson DK. Low-rank plus sparse matrix decomposition for accelerated dynamic MRI with separation of background and dynamic components. Magn Reson Med. 2015 Mar;73(3):1125-36.
  5. Chandarana H, Feng L, Ream J, Wang A, Babb JS, Block KT, Sodickson DK, Otazo R. Respiratory Motion-Resolved Compressed Sensing Reconstruction of Free-Breathing Radial Acquisition for Dynamic Liver Magnetic Resonance Imaging. Invest Radiol. 2015 Nov;50(11):749-56.
  6. Feng L, Axel L, Chandarana H, Block KT, Sodickson DK, Otazo R. XD-GRASP: Golden-angle radial MRI with reconstruction of extra motion-state dimensions using compressed sensing. Magn Reson Med. 2016 Feb;75(2):775-88.
  7. Chandarana H, Doshi AM, Shanbhogue A, Babb JS, Bruno MT, Zhao T, Raithel E, Zenge MO, Li G, Otazo R. Three-dimensional MR Cholangiopancreatography in a Breath Hold with Sparsity-based Reconstruction of Highly Undersampled Data. Radiology. 2016 Aug;280(2):585-94.
  8. Otazo R, Nittka M, Bruno M, Raithel E, Geppert C, Gyftopoulos S, Recht M, Rybak L, Sparse-SEMAC: rapid and improved SEMAC metal implant imaging using SPARSE-SENSE accelation. Magn Reson Med. 2017 Jul;78(1):79-87.
  9. Feng L, Coppo S, Piccini D, Yerly J, Lim RP, Masci PG, Stuber M, Sodickson DK, Otazo R. 5D whole-heart sparse MRI. Magn Reson Med. 2018 Feb;79(2):826-838.
  10. Chen B, Kobler E, Muckley MJ, Sodickson AD, O’Donnell T, Flohr T, Schmidt B, Sodickson DK, Otazo R. SparseCT: System concept and design of multislit collimators. Med Phys. 2019 Jun;46(6):2589-2599
  11. Muckley MJ, Chen B, Vahle T, O’Donnell T, Knoll F, Sodickson A, Sodickson D, Otazo R. Image reconstruction for interrupted-beam X-ray CT on diagnostic clinical scanners. Phys Med Biol. 2019 Aug 7;64(15):155007
  12. Feng L, Tyagi N, Otazo R. MRSIGMA: Magnetic Resonance SIGnature MAtching for real-time volumetric imaging. Magn Reson Med. 2020 Sep;84(3):1280-1292.
  13. Kaye EA, Aherne EA, Duzgol C, Haggstrom I, Kobler E, Mazaheri Y, Fung MM, Zhang Z, Otazo R, Vargas HA, Akin O. Accelerating prostate diffusion weighted MRI using guided denoising convolutional neural network: Retrospective feasibility study. Radiol Artif Intell. 2020 Aug 26;2(5):e200007.
  14. Yu VY, Zakian K, Tyagi N, Zhang M, Romesser PB, Dresner A, Cerviño L, Otazo R. Combined Compressed Sensing and SENSE to Enhance Radiation Therapy Magnetic Resonance Imaging Simulation. Adv Radiat Oncol. 2021 Sep 9;7(1):100799.
  15. Cohen O, Yu VY, Tringale KR, Young RJ, Perlman O, Farrar CT, Otazo R. CEST MR fingerprinting (CEST-MRF) for brain tumor quantification using EPI readout and deep learning reconstruction. Magn Reson Med. 2023 Jan;89(1):233-249.
  16. Wu C, Krishnamoorthy G, Yu V, Subashi E, Rimner A, Otazo R. 4D lung MRI with high-isotropic-resolution using half-spoke (UTE) and full-spoke 3D radial acquisition and temporal compressed sensing reconstruction.  Phys Med Biol. 2023 Jan 27;68(3).
  17. Kang M, Behr GG, Jafari R, Gambarin M, Otazo R, Kee Y. Free-breathing high isotropic resolution quantitative susceptibility mapping (QSM) of liver using 3D multi-echo UTE cones acquisition and respiratory motion-resolved image reconstruction. Magn Reson Med . 2023 Nov;90(5):1844-1858
  18. Murray V, Siddiq S, Crane C, El Homsi M, Kim TH, Wu C, Otazo R. Movienet: Deep space-time-coil reconstruction network without k-space data consistency for fast motion-resolved 4D MRI. Magn Reson Med. 2024 Feb;91(2):600-614.
  19. Siddiq S, Murray V, Tyagi N, Borman P, Gui C, Crane C, Wu C, Otazo R. MR signature matching (MRSIGMA) implementation for true real-time free-breathing volumetric imaging with sub-200 ms latency on an MR-Linac. Magn Reson Med . 2024 Sep;92(3):1162-1176
  20. Murray V, Wu C, Otazo R. High-definition motion-resolved MRI using 3D radial kooshball acquisition and deep learning spatial-temporal 4D reconstruction. Phys Med Biol. 2025 Jun 17;70(12):10.1088/1361-6560/ade195.  

Reviews (selected)

  1. Feng L, Benkert T, Block KT, Sodickson DK, Otazo R, Chandarana H. Compressed sensing for body MRI. J Magn Reson Imaging. 2017 Apr;45(4):966-987. Epub 2016 Dec 16.
  2. Otazo R. Motion-tolerant quantitative cardiovascular MRI. Nat Biomed Eng. 2018 Apr;2(4):199-200. DOI: 10.1038/s41551-018-0228-8.
  3. Bouwmans T, Javed S, Zhang H, Lin Z, Otazo R. On the applications of robust PCA in image and video processing. IEEE Proceedings 2018 Jun; 106(8): 1427-57.
  4. Bogner W, Otazo R, Henning A. Accelerated MR spectroscopic imaging - a review of current and emerging techniques. NMR Biomed. 2021 May;34(5):e4314. Epub 2020 May 12.
  5. Otazo R, Lambin P, Pignol JP, Ladd ME, Schlemmer HP, Baumann M, Hricak H. MRI-guided radiation therapy: An emerging paradigm in adaptive radiation oncology. Radiology 2021 Feb;298(2):248-260.