Calibrationless parallel MRI using CLEAR

Research output: Chapter in Book/Report/Conference proceedingConference contribution

23 Citations (Scopus)

Abstract

"Auto-calibrated" parallel imaging (PI) strategies provide a robust mechanism for accelerating MRI acquisitions. However, most such strategies require the explicit formation of either coil sensitivity profiles or a cross-coil correlation operator, and as a result reconstruction corresponds to solving a challenging bilinear optimization problem. In this work, we present a novel image-domain approach to calibration-free parallel imaging (CPI) reconstruction called CLEAR. After reviewing contemporary parallel MRI strategies and overviewing CLEAR, we investigate its computational complexity and memory footprint, demonstrate its standalone application to undersampled Cartesian acquisitions, and discuss generalizations and future directions of investigation.

Original languageEnglish (US)
Title of host publicationConference Record - Asilomar Conference on Signals, Systems and Computers
Pages75-79
Number of pages5
DOIs
StatePublished - 2011
Event45th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2011 - Pacific Grove, CA, United States
Duration: Nov 6 2011Nov 9 2011

Other

Other45th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2011
CountryUnited States
CityPacific Grove, CA
Period11/6/1111/9/11

Fingerprint

Magnetic resonance imaging
Imaging techniques
Computational complexity
Calibration
Data storage equipment

Keywords

  • Calibrationless
  • CLEAR
  • Low-Rank
  • MRI
  • Parallel Imaging

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing

Cite this

Trazasko, J. D., & Manduca, A. (2011). Calibrationless parallel MRI using CLEAR. In Conference Record - Asilomar Conference on Signals, Systems and Computers (pp. 75-79). [6189958] https://doi.org/10.1109/ACSSC.2011.6189958

Calibrationless parallel MRI using CLEAR. / Trazasko, Joshua D; Manduca, Armando.

Conference Record - Asilomar Conference on Signals, Systems and Computers. 2011. p. 75-79 6189958.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Trazasko, JD & Manduca, A 2011, Calibrationless parallel MRI using CLEAR. in Conference Record - Asilomar Conference on Signals, Systems and Computers., 6189958, pp. 75-79, 45th Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2011, Pacific Grove, CA, United States, 11/6/11. https://doi.org/10.1109/ACSSC.2011.6189958
Trazasko JD, Manduca A. Calibrationless parallel MRI using CLEAR. In Conference Record - Asilomar Conference on Signals, Systems and Computers. 2011. p. 75-79. 6189958 https://doi.org/10.1109/ACSSC.2011.6189958
Trazasko, Joshua D ; Manduca, Armando. / Calibrationless parallel MRI using CLEAR. Conference Record - Asilomar Conference on Signals, Systems and Computers. 2011. pp. 75-79
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