Chinese Optics Letters, Volume. 19, Issue 9, 093301(2021)
High-speed playback of spatiotemporal division multiplexing holographic 3D video stored in a solid-state drive using a digital micromirror device
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Fig. 1. Outline of spatiotemporal division multiplexing electroholography.
Fig. 2. Synthesize color CGH for spatiotemporal division multiplexing electroholography.
Fig. 3. Reconstructed 3D video playback from the synthesized color CGH for spatiotemporal division multiplexing electroholography.
Fig. 4. Binary PWM sequence pattern for gradation representation in red image.
Fig. 5. Outline of the proposed high-speed playback for spatiotemporal division multiplexing electroholographic 3D video.
Fig. 8. Still 3D images reconstructed from the 3D object “fountain” comprising 1,064,462 points using the spatiotemporal division multiplexing method.
Fig. 9. Display time of the six 3D images reconstructed from six sub-objects using the proposed spatiotemporal division multiplexing electroholographic playback from an SSD.
Fig. 10. Snapshots of the reconstructed 3D video using the proposed playback from an SSD (
Table 1. Specifications of the Computer System with a DMD Module
View tableView in ArticleTable 1. Specifications of the Computer System with a DMD Module
CPU Intel Core i5-8400 (Clock speed: 2.8 GHz) Main memory DDR4-2666 16 GB OS Linux (CentOS 7.8) Software NVIDIA CUDA 11.0 SDK GPU NVIDIA GeForce GTX TITAN X SSD SAMSUNG 860 EVO 500 GB DMD Texas Instruments DLP LightCrafter 6500 EVM (Refresh rate: 60 Hz)
Table 2. Performance of the Proposed Playback from SSD
View tableView in ArticleTable 2. Performance of the Proposed Playback from SSD
Number of object points 1,064,462 Spatial division number 6 Refresh rate of DMD 60 Hz Resolution of CGH 1980 × 1024 Frame rate of the proposed playback 360 frames per second
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Kohei Suzuki, Minori Tao, Yuki Maeda, Hirotaka Nakayama, Ren Noguchi, Minoru Oikawa, Yuichiro Mori, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, Naoki Takada, "High-speed playback of spatiotemporal division multiplexing holographic 3D video stored in a solid-state drive using a digital micromirror device," Chin. Opt. Lett. 19, 093301 (2021)
Paper Information
Category: Visual Optics and Displays
Received: Jan. 4, 2021
Accepted: Feb. 25, 2021
Posted: Feb. 26, 2021
Published Online: May. 26, 2021
The Author Email: Naoki Takada (ntakada@is.kochi-u.ac.jp)
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