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Abstract
We present an erratum to our Letter [Opt. Lett. 46, 5360 (2021) [CrossRef] ]. This erratum refers to Fig. 3, where a previous version was wrongly uploaded during the final resubmission of the paper. This correction has no influence on the text, the results, and the conclusions of the original Letter.
© 2022 Optica Publishing Group
There was an unintended error in Fig. 3 that did not appear in its final version in the original Letter [1]. The correct version of Fig. 3 is now shown here in Fig. 1. We note that this figure is now consistent with the published text of the paper and that neither the results nor the conclusions of the original Letter are affected by this correction.
Fig. 1. (a) Azimuthally averaged and (b) radially averaged MTFs for the different lensless PSFs indicated in the legend. (c) Isotropic parameter $\gamma$ computed for different lensless PSFs considering $50$ realizations of uniformly random initial conditions. (d) Sparsity of the CH-based PSF with respect to the model parameter $\varepsilon$ in the CH equation.
Funding
Army Research Laboratory (W911NF-12-2-0023); National Science Foundation (ECCS-2015700).
Disclosures
The authors declare no conflicts of interest.
REFERENCE
1. Y. Chen, W. A. Britton, and L. Dal Negro, Opt. Lett. 46, 5360 (2021). [CrossRef]
