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http://hdl.handle.net/10397/106980
Title: | Conjugate gradient method for phase retrieval based on the Wirtinger derivative | Authors: | Wei, Z Chen, W Qiu, CW Chen, X |
Issue Date: | 1-May-2017 | Source: | Journal of the Optical Society of America A: Optics and Image Science, and Vision, 1 May 2017, v. 34, no. 5, p. 708-712 | Abstract: | A conjugate gradient Wirtinger flow (CG-WF) algorithm for phase retrieval is proposed in this paper. It is shown that, compared with recently reported Wirtinger flow and its modified methods, the proposed CG-WF algorithm is able to dramatically accelerate the convergence rate while keeping the dominant computational cost of each iteration unchanged. We numerically illustrate the effectiveness of our method in recovering 1D Gaussian signals and 2D natural color images under both Gaussian and coded diffraction pattern models. | Publisher: | Optica Publishing Group | Journal: | Journal of the Optical Society of America. A, Optics, image science, and vision | ISSN: | 1084-7529 | EISSN: | 1520-8532 | DOI: | 10.1364/JOSAA.34.000708 | Rights: | Journal © 2017 Optical Society of America © 2017 Optica Publishing Group. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited. The following publication Zhun Wei, Wen Chen, Cheng-Wei Qiu, and Xudong Chen, "Conjugate gradient method for phase retrieval based on the Wirtinger derivative," J. Opt. Soc. Am. A 34, 708-712 (2017) is available at https://doi.org/10.1364/JOSAA.34.000708. |
Appears in Collections: | Journal/Magazine Article |
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Chen_Conjugate_Gradient_Method.pdf | Pre-Published version | 5.07 MB | Adobe PDF | View/Open |
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