基于像素差分布的自适应支持约束,用于在线全息术中的双图像去除

IF 2.2 3区 物理与天体物理 Q2 OPTICS Optics Communications Pub Date : 2024-10-09 DOI:10.1016/j.optcom.2024.131188
Yuyi Qiu , Ming Tang , Kaiqi Lang , Jiaqing Qiang , Xiaoping Wang
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引用次数: 0

摘要

紧密的支持域可以增强使用支持域约束的相位检索算法的重建效果。因此,本文提出了一种基于像素差分布的自适应支持方法,以计算更精确的支持域。在相位检索算法的每次迭代中,支持域都会不断更新,从而得到与物体形状和大小密切相关的支持域。本文通过仿真研究了复值对象的重建效果,以及在无噪声情况下改变二值化阈值和差分窗口大小对收敛性能的影响。此外,还展示了迭代过程中支持域的动态变化。实验证明,自适应支持方法能在实际条件下提高重建图像质量和图像对比度。模拟和实验都证实了这种方法的可行性。
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Adaptive support constraint based on pixel difference distribution for twin-image removal in in-line holography
A tight support domain can enhance the reconstruction effect of phase retrieval algorithms using a support domain constraint. Hence, an adaptive support method based on pixel difference distribution to calculate a more accurate support domain is proposed in this paper. The support domain is continuously updated at each iteration of the phase retrieval algorithm, resulting in a support domain that closely corresponds to the shape and size of the object. Simulations are conducted to investigate the reconstruction effect of complex-valued objects as well as the influence of varying the binarization threshold and the difference window size on the convergence performance in the absence of noise. The changing dynamics of the support domain during the iterative process are also showcased. The experiments demonstrate that the adaptive support method can improve the reconstruction image quality and image contrast under actual conditions. Both simulations and experiments affirm the feasibility of this approach.
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来源期刊
Optics Communications
Optics Communications 物理-光学
CiteScore
5.10
自引率
8.30%
发文量
681
审稿时长
38 days
期刊介绍: Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.
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