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- W3025635462 abstract "Phase-added stereograms are a form of sparse computer generated holograms, subdividing the hologram in small Fourier transformed blocks and updating a single coefficient per block and per point-spread function. Unfortunately, these algorithms’ computational performance is often bottlenecked by the relatively high memory requirements. We propose a technique to partition the 3D point cloud into cells using time-frequency analysis, grouping the affected coefficients into subsets that improve caching and minimize memory requirements. This results in significant acceleration of phase added stereogram algorithms without affecting render quality, enabling real-time CGH for driving holographic displays for more complex and detailed scenes than previously possible. We report a 30-fold speedup over the base implementation, achieving real-time speeds of 80ms per million points per megapixel on a single GPU." @default.
- W3025635462 created "2020-05-21" @default.
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- W3025635462 date "2020-05-21" @default.
- W3025635462 modified "2023-09-30" @default.
- W3025635462 title "Phase added sub-stereograms for accelerating computer generated holography" @default.
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- W3025635462 doi "https://doi.org/10.1364/oe.388881" @default.
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