计算成像技术在光学检测领域的研究进展
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O439 TH74

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国家自然科学基金(52075314)项目资助


Research progress of computational imaging in the field of optical measurement
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    摘要:

    成像系统在利用传感器记录图像信息时,只记录了强度信息而丢失了重要的相位信息。 传统的干涉相位恢复技术由于 需要满足严格的干涉条件,在使用过程中受到一定限制。 随着计算成像技术的蓬勃发展,以强度传输方程和相干衍射成像以及 在此基础上发展起来的相干调制成像、叠层扫描相干衍射成像为代表的非干涉相位恢复技术受到广泛关注,并被运用于光学检 测领域。 这类技术无需参考光,系统结构简单,可通过衍射强度图直接获得相位信息,在检测领域有巨大的应用潜力。 基于此, 介绍了几种典型的计算成像技术的研究现状与最新进展,同时讨论分析了各类方法的主要技术特点。

    Abstract:

    When the imaging system records image information by using sensor, it loses important phase information due to only record intensity information. Traditional interferometric phase retrieval techniques are restricted in their use due to the strict interference conditions. With the significant development of computational imaging techniques, the non-interference phase retrieval techniques represented by transport of intensity equation, coherent diffraction imaging, coherent modulation imaging and ptychography which are both based on CDI, have attracted great attention. They have been utilized in the field of optical measurement. This kind of techniques does not require reference light with a simple system structure, which can retrieve phase information directly from diffracted intensity images. They have great potential for applications in the measurement field. On this base, the current researches and recent progress of several typical non-interference phase retrieval techniques are presented, and the main technical features of each method are discussed and analyzed.

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林星羽,于瀛洁.计算成像技术在光学检测领域的研究进展[J].仪器仪表学报,2022,43(10):1-12

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  • 在线发布日期: 2023-02-06
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