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Fast CGH computation using S-LUT on GPU
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DOI：10.1364/OE.17.018543.png)
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In computation of full-parallax computer-generated hologram (CGH), balance between speed and memory usage is always the core of algorithm development. To solve the speed problem of coherent ray trace (CRT) algorithm and memory problem of look-up table (LUT) algorithm without sacrificing reconstructed object quality, we develop a novel algorithm with split look-up tables (S-LUT) and implement it on graphics processing unit (GPU). Our results show that S-LUT on GPU has the fastest speed among all the algorithms investigated in this paper, while it still maintaining low memory usage. We also demonstrate high quality objects reconstructed from CGHs computed with S-LUT on GPU. The GPU implementation of our new algorithm may enable real-time and interactive holographic 3D display in the future. (c) 2009 Optical Society of America
Keyword:
COMPUTER-GENERATED HOLOGRAPHY
GRAPHICS HARDWARE
ELECTROHOLOGRAPHY
DISPLAY
SYSTEM
UNIT
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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