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. Author manuscript; available in PMC: 2017 Jun 1.
Published in final edited form as: Invest Radiol. 2016 Jun;51(6):349–364. doi: 10.1097/RLI.0000000000000274

Figure 9.

Figure 9

(left) An image generated using a sparse reconstruction with properly tuned parameters. The image appears clear and with no obvious aliasing artifacts remaining. (right) An image generated with the same data and sparse reconstruction but with a larger regularization term. The overemphasis on the sparsifying transform, in this case total variation, leads to a blurry reconstruction.