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- W3137134776 abstract "With the improvements of the spatial and spectral resolution, Compressive Sensing (CS) is applied to spectral imaging. CS-based spectral imaging reduces the requirements for data acquisition, storage and processing capabilities, while reducing the pressure of subsequent data transmission and storage. At present, the research on CS system is mostly in the stage of simulation, mainly focusing on the image algorithm. We studied the CS projection measurement optical system using Digital Micromirror Devices (DMD) as the image compression devices. We proposed a new dual-channel optical system that acquired the low-resolution coded image by DMD at both the reflection direction of +12°and -12°. We use shelf lenses to design a DMD-based dual-channel optical system and perform tolerance analysis on the optical system. The system has good tolerances, which reduces the cost of the system. Then, the dual optical path optical system was simulated and the principle prototype was built. Both obtain low-resolution coded images of two channels, which are complementary in energy. And the amount of image data is low, which are used to restore high-resolution images. This construction method can not only restore the encoded image of one channel to obtain a high-resolution spectral image, but also fuse the restored images of two channels to obtain a higher-resolution spectral image. Therefore, this construction method can be applied to spectral imaging technology." @default.
- W3137134776 created "2021-03-29" @default.
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- W3137134776 date "2021-03-12" @default.
- W3137134776 modified "2023-10-14" @default.
- W3137134776 title "Design of compression-sensing projection measurement optical system based on digital micromirror device for spectral imaging" @default.
- W3137134776 doi "https://doi.org/10.1117/12.2586420" @default.
- W3137134776 hasPublicationYear "2021" @default.
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