Publications
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Preprints
Technical Reports
- R. A. Lobos, C.-C. Chan, J. P. Haldar.
PISCO Software Version 1.0
University of Southern California, Los Angeles, CA, Technical Report USC-SIPI-458, March 2023.
Related software.
Journal
R. A. Lobos, C.-C. Chan, J. P. Haldar.
New Theory and Faster Computations for Subspace-Based Sensitivity Map Estimation in Multichannel MRI
IEEE Transactions on Medical Imaging 43:286-296, 2024. (Extended preprint).
Related software.- D. Kim, J. Coll-Font, R. A. Lobos, D. Stab, J. Pang, A. Foster, T. Garrett, X. Bi, P. Speier, J. P. Haldar, C. Nguyen.
Single breath-hold CINE imaging with combined Simultaneous Multi-Slice (SMS) and Region-Optimized Virtual (ROVir) coils
Magnetic Resonance in Medicine, 90:222-230, 2023. - G. Ramos-Llorden, R. A. Lobos, T. H. Kim, Q. Tian, T. Witzel, H.-H. Lee, A. Scholz, B. Keil, A. Yendiki, B. Bilgic, J. P. Haldar, S. Y. Huang.
High-fidelity, high-spatial-resolution diffusion MRI of the ex vivo whole human brain at ultra-high gradient strength with structured low-rank EPI ghost correction
NMR in Biomedicine 36:e4831, 2023. - R. A. Lobos, J. P. Haldar.
On the Shape of Convolution Kernels in MRI Reconstruction: Rectangles versus Ellipsoids
Magnetic Resonance in Medicine 87:2989-2996, 2022. - R. A. Lobos, M. U. Ghani, W. C. Karl, R. M. Leahy, J. P. Haldar.
Autoregression and Structured Low-Rank Modeling of Sinogram Neighborhoods.
IEEE Transactions on Computational Imaging 6:1044-1054, 2021. - R. A. Lobos, W. S. Hoge, A. Javed, C. Liao, K. Setsompop, K. S. Nayak, J. P. Haldar.
Robust Autocalibrated Structured Low-Rank EPI Ghost Correction.
Magnetic Resonance in Medicine 85:3404-3419, 2021. - Gonzalo Díaz, Julián M. Ortiz, Jorge F. Silva, Rodrigo A. Lobos, Alvaro Egaña.
Variogram-Based Descriptors for Comparison and Classification of Rock Texture Images.
Mathematical Geoscience 52(4):451-476, 2020. - Sebastián Espinosa, Jorge F. Silva, Rene A. Mendez, Rodrigo Lobos, Marcos E. Orchard.
Optimality of the maximum likelihood estimator in astrometry.
Astronomy & Astrophysics 618:A95, 2018. - R. A. Lobos, T. H. Kim, W. S. Hoge, J. P. Haldar.
Navigator-free EPI Ghost Correction with Structured Low-Rank Matrix Models: New Theory and Methods.
IEEE Transactions on Medical Imaging 37(11):2390-2402, 2018. - Rodrigo A. Lobos, Jorge F. Silva, Julián M. Ortiz, Gonzalo Díaz, Alvaro Egaña.
Analysis and Classification of Natural Rock Textures based on New Transform-based Features.
Mathematical Geoscience 48(7):835-870, 2016. - Rodrigo Lobos, Jorge F. Silva, Rene A. Mendez, Marcos E. Orchard.
Performance analysis of the Least-Squares estimator in astrometry.
Publications of the Astronomical Society of the Pacific 127:580-594, 2015. - Rene A. Mendez, Jorge F. Silva, Rodrigo Orostica, Rodrigo Lobos.
Analysis of the Cramér-Rao lower-bound in the joint estimation of astrometry and photometry.
Publications of the Astronomical Society of the Pacific 126(942):798, 2014. - Rene A. Mendez, Jorge F. Silva, Rodrigo Lobos.
Analysis and interpretation of the Cramér-Rao lower-bound in astrometry: One dimensional case.
Publications of the Astronomical Society of the Pacific 125(927):580-594, 2013.
Conference
R. A. Lobos, C.-C. Chan, J. P. Haldar.
New Theory and Faster Computations for Subspace-Based Sensitivity Map Estimation.
International Society for Magnetic Resonance in Medicine Virtual Conference & Exhibition, 2023. (In press).G. Ramos-Llorden, R. A. Lobos, T. H. Kim, Q. Tian, S. Tounetki, T. Witzel, B. Keil, A. Yendiki, B. Bilgic, J. P. Haldar, S. Huang.
Improved multi-shot EPI ghost correction for high gradient strength diffusion MRI using structured low-rank modeling k-space reconstruction.
International Society for Magnetic Resonance in Medicine Virtual Conference & Exhibition, 2021, p. 1346.D. Kim, R. A. Lobos, J. Coll-Font, M. van den Boomen, J. Conklin, J. Pang, D. Staeb, P. Speier, X. Bi, B. Ghoshhajra, J. P. Haldar, C. T. Nguyen.
Feasibility of single breath-hold CINE with combined simultaneous multi-slice (SMS) and region-optimized virtual (ROVir) coils.
International Society for Magnetic Resonance in Medicine Virtual Conference & Exhibition, 2021, p. 25.
Recipient of a Magna Cum Laude ISMRM Merit Award.Rodrigo A. Lobos, Tae Hyung Kim, Kawin Setsompop, Justin P. Haldar.
Advanced New Linear Predictive Reconstruction Methods for Simultaneous Multislice Imaging.
International Society for Magnetic Resonance in Medicine Virtual Conference & Exhibition, 2020, p. 3437.Rodrigo A. Lobos, R. M. Leahy, Justin P. Haldar.
Autoregression and Structured Low-Rank Modeling of Sinograms.
IEEE International Symposium on Biomedical Imaging, Iowa City, 2020, pp. 1437-1440.
Finalist for the IEEE ISBI 2020 Best Student Paper Award.Rodrigo A. Lobos, R. M. Leahy, Justin P. Haldar.
Low-Rank Modeling of Local Sinogram Neighborhoods with Tomographic Applications.
Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, 2019, pp. 65-68. .
Invited presentation.Rodrigo A. Lobos, Justin P. Haldar.
Improving the Performance of Accelerated Image Reconstruction in K-Space: The Importance of Kernel Shape.
International Society for Magnetic Resonance in Medicine 27th Annual Meeting, Montreal, 2019, p. 2407.Rodrigo A. Lobos, A. Javed, K. S. Nayak, W. S. Hoge, J. P. Haldar.
Robust Autocalibrated LORAKS for Improved EPI Ghost Correction with Structured Low-Rank Matrix Models.
Joint Annual Meeting ISMRM-ESMRMB, Paris, 2018, p. 3533.Rodrigo A. Lobos, A. Javed, K. S. Nayak, W. S. Hoge, J. P. Haldar.
Robust Autocalibrated LORAKS for EPI Ghost Correction.
IEEE International Symposium on Biomedical Imaging, Washington, DC, 2018, pp. 663-666.Rodrigo A. Lobos, T. H. Kim, W. S. Hoge, J. P. Haldar.
Navigator-free EPI ghost correction using low-rank matrix modeling: Theoretical insights and practical improvements.
International Society for Magnetic Resonance in Medicine 25th Annual Meeting, Honolulu, 2017, p. 449.
Recipient of a Summa Cum Laude ISMRM Merit Award (Featured with a Power Pitch presentation (hand-selected as one of the 220 most interesting abstracts out of 6,780 submissions to the conference).