360-degree large-scale multiprojection light-field 3D display system

Ni Lixia; Li Zhenxing; Li Haifeng; Liu Xu

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360-degree large-scale multiprojection light-field 3D display system

机译：360度大规模多尺寸灯场3D显示系统

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This paper proposes a 360-deg large-scale multiprojection light-field 3D display system, which can reconstruct the light field of models in real space. The reconstructed contents can be observed by multiple viewers from different angles and positions simultaneously. In this system, 360 projectors project images onto a cylindrical light-field diffusion screen whose height is 1.8 m and diameter is 3 m. When moving around the system, viewers can see 3D scenes with smooth-motion parallax, and the frame rate can reach 30 fps and above. To achieve a large-scale display, we design a wide-field lens with cylindrical lenses to enlarge the projection image. To promote efficiency of data transmission and render 3D contents in real time, we apply computers equipped with multiple graphic cards, and display data are divided by field programmable gate array. Finally, a 360-deg light-field autocalibration method based on CCD and multiview sampling is proposed, whose calibration effect is strongly confirmed by experiment results. (C) 2018 Optical Society of America

机译：本文提出了一种360°大型多尺寸浅场3D显示系统，可以在实际空间中重建模型的光场。可以通过同时从不同角度和位置的多个观看者观察重建的内容。在该系统中，360个投影仪将图像投影到圆柱形光场扩散屏幕上，其高度为1.8米，直径为3米。在系统周围移动时，观众可以看到具有平滑运动视差的3D场景，帧速率可以达到30个FPS及更高版本。为了实现大规模的显示器，我们设计具有圆柱形镜片的宽场镜头，以扩大投影图像。为了促进数据传输的效率并实时渲染3D内容，我们将配备多个图形卡的计算机应用，并且显示数据除以现场可编程门阵列。最后，提出了一种基于CCD和多视图采样的360-Deg浅场自动串串方法，通过实验结果强烈确认其校准效果。（c）2018年光学学会

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来源
《Applied optics》 |2018年第8期|共7页
作者
Ni Lixia; Li Zhenxing; Li Haifeng; Liu Xu;
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Zhejiang Univ Coll Opt Sci &

Engn State Key Lab Modern Opt Instrumentat Hangzhou 310027 Zhejiang Peoples R China;

Zhejiang Univ Coll Opt Sci &

Engn State Key Lab Modern Opt Instrumentat Hangzhou 310027 Zhejiang Peoples R China;

Zhejiang Univ Coll Opt Sci &

Engn State Key Lab Modern Opt Instrumentat Hangzhou 310027 Zhejiang Peoples R China;

Zhejiang Univ Coll Opt Sci &

Engn State Key Lab Modern Opt Instrumentat Hangzhou 310027 Zhejiang Peoples R China;

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正文语种 eng
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360-degree large-scale multiprojection light-field 3D display system

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