Yuxin Lu, Wenjing Zhao, Aiping Zhai, Nuo Liu, Dong Wang
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引用次数: 0
摘要
单像素相位成像(SPPI)利用单像素探测器结合干涉测量法来捕捉未知场的相位信息。然而,要重建 M × N 幅图像,通常需要 M × N 次调制和检测,导致 SPPI 的成像时间较长。这里提出了一种复值 Zernike 基 SPPI(Zernike-SPPI),以尽可能低的采样比实现高质量的相位重建。模拟和实验证明,与基于 Hadamard 基的最先进 SPPI 技术相比,Zernike-SPPI 在采样率低于 10% 的情况下能获得更好的成像质量。这意味着 Zernike-SPPI 能以更短的成像时间获得高质量的相位图像。这项工作提供了一种既能实现快速 SPPI,又能保证尽可能高的相位重建质量的解决方案。
Single-pixel phase imaging via a complex-valued Zernike basis.
Single-pixel phase imaging (SPPI) utilizes a single-pixel detector combined with interferometry to capture phase information of an unknown field. However, to reconstruct an M × N image, normally M × N modulations and detections are required, leading to a long imaging time for SPPI. Here, a complex-valued Zernike basis SPPI (Zernike-SPPI) is proposed to achieve phase reconstruction at as high quality as possible with a very low sampling ratio. Simulations and experiments demonstrate that Zernike-SPPI achieves better imaging quality at a sampling ratio of less than 10% compared to the state-of-the-art SPPI techniques based on Hadamard basis. This means Zernike-SPPI can obtain a high-quality phase image with less imaging time. This work offers a solution to achieve fast SPPI while guaranteeing quality phase reconstruction as high as possible.
期刊介绍:
The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community.
Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. Criteria used in determining acceptability of contributions include newsworthiness to a substantial part of the optics community and the effect of rapid publication on the research of others. This journal, published twice each month, is where readers look for the latest discoveries in optics.