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Shift-encoded optically multiplexed imaging

机译:移位编码光学多路复用成像

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摘要

In a multiplexed image, multiple fields-of-view (FoVs) are superimposed onto a common focal plane. The attendant gain in sensor FoV provides a new degree of freedom in the design of an imaging system, allowing for performance tradeoffs not available in traditional optical designs. We explore design choices relating to a shift-encoded optically multiplexed imaging system and discuss their performance implications. Unlike in a traditional imaging system, a single multiplexed image has a fundamental ambiguity regarding the location of objects in the image. We present a system that can shift each FoV independently to break this ambiguity and compare it to other potential disambiguation techniques. We then discuss the optical, mechanical, and encoding design choices of a shift-encoding midwave infrared imaging system that multiplexes six 15x15 deg FoVs onto a single one megapixel focal plane. Using this sensor, we demonstrate a computationally demultiplexed wide FoV video.
机译:在多路复用图像中,多个视场(FoV)叠加到一个公共焦平面上。随之而来的传感器FoV增益为成像系统的设计提供了新的自由度,从而实现了传统光学设计无法提供的性能折衷。我们探索与移位编码的光学多路复用成像系统有关的设计选择,并讨论其性能含义。与传统成像系统不同,单个多路复用图像在图像中的对象位置方面具有根本的歧义。我们提出了一个可以独立移动每个FoV的系统,以打破这种歧义,并将其与其他潜在的歧义消除技术进行比较。然后,我们讨论了移位编码中波红外成像系统的光学,机械和编码设计选择,该系统将六个15x15度FoV复用到单个一个百万像素焦平面上。使用此传感器,我们演示了计算上解复用的宽FoV视频。

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