ArticleMagma (New York, N.Y.)2021
Di-chromatic interpolation of magnetic resonance metabolic images.
Article in Magma (New York, N.Y.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Volumetric Patch-Based Super-Resolution Reconstruction of HyperpolarizedIEEE access : practical innovations, open solutions · 2024Article
- A variable resolution approach for improved acquisition of hyperpolarizedMagnetic resonance in medicine · 2020Article
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Authors and funding
7 authors.
Funding
Abstract
objectiveMagnetic resonance imaging with hyperpolarized contrast agents can provide unprecedented in vivo measurements of metabolism, but yields images that are lower resolution than that achieved with proton anatomical imaging. In order to spatially localize the metabolic activity, the metabolic image must be interpolated to the size of the proton image. The most common methods for choosing the unknown values rely exclusively on values of the original uninterpolated image.
methodsIn this work, we present an alternative method that uses the higher-resolution proton image to provide additional spatial structure. The interpolated image is the result of a convex optimization algorithm which is solved with the fast iterative shrinkage threshold algorithm (FISTA).
resultsResults are shown with images of hyperpolarized pyruvate, lactate, and bicarbonate using data of the heart and brain from healthy human volunteers, a healthy porcine heart, and a human with prostate cancer.
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