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- W2436863189 abstract "We capture 4D light field data in a single 2D sensor image by encoding spatio-angular information into a speckle field (causticpattern) through a phase diffuser. Using wave-optics theory and a coherent phase retrieval method, we calibrate the system by measuring the diffuser surface height from through-focus images. Wave-optics theory further informs the design of system geometry such that a purely additive ray-optics model is valid. Light field reconstruction is done using nonlinear matrix inversion methods, including ℓ1 minimization. We demonstrate a prototype system and present empirical results of 4D light field reconstruction and computational refocusing from a single diffuser-encoded 2D image." @default.
- W2436863189 created "2016-06-24" @default.
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- W2436863189 date "2016-05-01" @default.
- W2436863189 modified "2023-10-18" @default.
- W2436863189 title "Single-shot diffuser-encoded light field imaging" @default.
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- W2436863189 doi "https://doi.org/10.1109/iccphot.2016.7492880" @default.
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