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多尺度光圈合成成像仪

Ruihai Wang1, Qianhao Zhao2, Tianbo Wang1

  • 1Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA.

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此摘要是机器生成的。

一个新的多尺度光圈合成成像仪 (MASI) 克服了光学同步的挑战. 这种合成光圈成像系统使用计算方法来实现高分辨率的无透镜成像,覆盖大领域,从而实现实用的光学合成光圈系统.

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科学领域:

  • 光学是什么?光学是什么?光学是什么?
  • 影像科学 影像科学
  • 计算成像技术的成像

背景情况:

  • 合成光圈成像已经彻底改变了雷达和天文学.
  • 光学实现受到复杂的波场同步需求的阻碍.
  • 现有的方法需要重叠测量以确保相位一致性.

研究的目的:

  • 介绍一个新的多尺度光圈合成成像仪 (MASI).
  • 为了克服光学合成光圈成像的局限性.
  • 为了实现可扩展和实用的光学合成光圈系统.

主要方法:

  • 利用平行论将光学挑战划分为子问题.
  • 采用分布式的编码传感器阵列来实现独立而连贯的操作.
  • 实现一个计算相位同步方案,以组合波场而不会重叠区域.

主要成果:

  • 用单个接收器实现超级衍射极限分辨率.
  • 通过自然光衍射生成大规模相对比可视化.
  • 在没有镜头的情况下,在超长的工作距离上解析微米以下的特征.
  • 在厘米尺度的场域中重建3D形状.

结论:

  • MASI将光学同步从物理问题转变为计算问题.
  • 该系统可以在光学波长上实际部署可扩展的合成光圈系统.
  • MASI为高分辨率,无镜头成像提供了一个新的范式.