Real-time realistic computer-generated hologram with accurate depth precision and a large depth range

Chongli Zhong, Xinzhu Sang, Binbin Yan, Hui Li, Duo Chen & Xiujuan Qin
Holographic display is an ideal technology for near-eye display to realize virtual and augmented reality applications, because it can provide all depth perception cues. However, depth performance is sacrificed by exiting computer-generated hologram (CGH) methods for real-time calculation. In this paper, volume representation and improved ray tracing algorithm are proposed for real-time CGH generation with enhanced depth performance. Using the single fast Fourier transform (S-FFT) method, the volume representation enables a low calculation burden and...
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