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Accelerating Overrelaxed and Monotone Fast Iterative Shrinkage-Thresholding Algorithms With Line Search for Sparse

Marcelo V W Zibetti, Elias S Helou, Daniel R Pipa

    IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
    |May 3, 2017
    PubMed
    Summary

    This study introduces fast line search to accelerate monotone fast iterative shrinkage-threshold algorithms (MFISTA) for computed tomography image reconstruction. Numerical results confirm improved performance for high-resolution tomographic imaging using these enhanced MFISTA algorithms.

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