Department of Electrical and Computer Engineering, University of Delaware, Newark, Delaware 19716, USA.
Opt Lett. 2011 Jul 15;36(14):2692-4. doi: 10.1364/OL.36.002692.
We report on the development of a digital-micromirror-device (DMD)-based multishot snapshot spectral imaging (DMD-SSI) system as an alternative to current piezostage-based multishot coded aperture snapshot spectral imager (CASSI) systems. In this system, a DMD is used to implement compressive sensing (CS) measurement patterns for reconstructing the spatial/spectral information of an imaging scene. Based on the CS measurement results, we demonstrated the concurrent reconstruction of 24 spectral images. The DMD-SSI system is versatile in nature as it can be used to implement independent CS measurement patterns in addition to spatially shifted patterns that piezostage-based systems can offer.
我们开发了一种基于数字微镜器件（DMD）的多次拍摄快照光谱成像（DMD-SSI）系统，作为当前基于压电台的多次拍摄编码孔径快照光谱成像（CASSI）系统的替代品。在该系统中，使用 DMD 来实现用于重建成像场景的空间/光谱信息的压缩感知（CS）测量图案。基于 CS 测量结果，我们演示了 24 个光谱图像的并发重建。DMD-SSI 系统具有多功能性，因为它除了可以提供基于压电台的系统可以提供的空间移位图案外，还可以用于实现独立的 CS 测量图案。
