Conference proceeding
Unified reconstruction and motion estimation in cardiac perfusion MRI
2011 IEEE International Symposium on Biomedical Imaging: From Nano to Macro, pp.65-68
03/2011
DOI: 10.1109/ISBI.2011.5872355
Abstract
We introduce a novel unifying approach to jointly estimate the motion and the dynamic images in first pass cardiac perfusion MR imaging. We formulate the recovery as an energy minimization scheme using a unified objective function that combines data consistency, spatial smoothness, motion and contrast dynamics penalties. We introduce a variable splitting strategy to simplify the objective function into multiple sub problems, which are solved using simple algorithms. These sub-problems are solved in an iterative manner using efficient continuation strategies. Preliminary validation using a numerical phantom and in-vivo perfusion data demonstrate the utility of the proposed scheme in recovering the perfusion images from considerably under-sampled data.
Details
- Title: Subtitle
- Unified reconstruction and motion estimation in cardiac perfusion MRI
- Creators
- Sajan G Lingala - Dept. of Biomed. Eng., Univ. of Rochester, Rochester, NY, USAMariappan Nadar - Siemens Corp. Res., Princeton, NJ, USAChristophe Chefd'hotel - Siemens Corp. Res., Princeton, NJ, USALi Zhang - Siemens Corp. Res., Princeton, NJ, USAMathews Jacob - Dept. of Biomed. Eng., Univ. of Rochester, Rochester, NY, USA
- Resource Type
- Conference proceeding
- Publication Details
- 2011 IEEE International Symposium on Biomedical Imaging: From Nano to Macro, pp.65-68
- Publisher
- IEEE
- DOI
- 10.1109/ISBI.2011.5872355
- ISSN
- 1945-7928
- eISSN
- 1945-8452
- Language
- English
- Date published
- 03/2011
- Academic Unit
- Roy J. Carver Department of Biomedical Engineering; Radiology; Electrical and Computer Engineering; Iowa Neuroscience Institute; Radiation Oncology
- Record Identifier
- 9984070977702771
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