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- W2560403570 abstract "Light field acquisition devices allow capturing scenes with unmatched postprocessing possibilities. However, the huge amount of high-dimensional data poses challenging problems to light field processing in interactive time. In order to enable light field processing with a tractable complexity, in this paper, we address the problem of light field oversegmentation. We introduce the concept of superray, which is a grouping of rays within and across views, as a key component of a light field processing pipeline. The proposed approach is simple, fast, accurate, easily parallelisable, and does not need a dense depth estimation. We demonstrate experimentally the efficiency of the proposed approach on real and synthetic datasets, for sparsely and densely sampled light fields. As superrays capture a coarse scene geometry information, we also present how they can be used for real-time light field segmentation and correcting refocusing angular aliasing." @default.
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- W2560403570 date "2017-10-01" @default.
- W2560403570 modified "2023-09-28" @default.
- W2560403570 title "Superrays for Efficient Light Field Processing" @default.
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- W2560403570 doi "https://doi.org/10.1109/jstsp.2017.2738619" @default.
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