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- W2003574393 abstract "Ghost imaging has rapidly developed for about two decades and attracted wide attention from different research fields. However, the practical applications of ghost imaging are still largely limited, by its low reconstruction quality and large required measurements. Inspired by the fact that the natural image patches usually exhibit simple structures, and these structures share common primitives, we propose a patch-primitive driven reconstruction approach to raise the quality of ghost imaging. Specifically, we resort to a statistical learning strategy by representing each image patch with sparse coefficients upon an over-complete dictionary. The dictionary is composed of various primitives learned from a large number of image patches from a natural image database. By introducing a linear mapping between non-overlapping image patches and the whole image, we incorporate the above local prior into the convex optimization framework of compressive ghost imaging. Experiments demonstrate that our method could obtain better reconstruction from the same amount of measurements, and thus reduce the number of requisite measurements for achieving satisfying imaging quality." @default.
- W2003574393 created "2016-06-24" @default.
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- W2003574393 date "2015-04-21" @default.
- W2003574393 modified "2023-10-16" @default.
- W2003574393 title "Patch-primitive driven compressive ghost imaging" @default.
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- W2003574393 doi "https://doi.org/10.1364/oe.23.011092" @default.
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