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Augmented reality display system using modulated moire imaging technique

机译：使用调制莫尔成像技术的增强现实显示系统

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摘要

To enhance the depth rendering ability of augmented reality (AR) display systems, a modulated moire imaging technique is used to render the true three-dimensional (3D) images for AR display systems. 3D images with continuous depth information and large depth of field are rendered and superimposed on the real scene. The proposed AR system consists of a modulated moire imaging subsystem and an optical combiner. The modulated moire imaging subsystem employs modulated point light sources, a display device, and a microlens array to generate 3D images. A defocussing equal period moire imaging structure is used, which gives a chance for the point light sources to modulate the depth position of 3D images continuously. The principles of the imaging system are deduced analytically. A custom-designed transparent off-axis spherical reflective lens is used as an optical combiner to project the 3D images into the real world. An experimental AR system that provides continuous 3D images with depth information ranging from 0.5 to 2.5 m is made to verify the feasibility of the proposed technique. (C) 2021 Optical Society of America
机译：为了增强增强现实（AR）显示系统的深度渲染能力，采用调制莫尔成像技术为AR显示系统渲染真实的三维（3D）图像。具有连续深度信息和大景深的3D图像被渲染并叠加在真实场景上。该AR系统由调制莫尔成像子系统和光学组合器组成。调制莫尔成像子系统采用调制点光源、显示设备和微透镜阵列来生成三维图像。采用消焦等周期莫尔成像结构，使点光源有机会连续调制三维图像的深度位置。分析推导了成像系统的原理。使用定制的透明离轴球面反射透镜作为光学组合器，将3D图像投影到现实世界中。为了验证该技术的可行性，制作了一个实验性的AR系统，该系统可以提供深度在0.5到2.5米之间的连续3D图像。（2021）美国光学学会

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  • 来源
    《Applied optics》 |2021年第4期|共7页
  • 作者

    Lou Yimin; Hu Juanmei; Chen Aixi; Wu Fengmin;

  • 作者单位

    Zhejiang Sd Tech Univ Dept Phys Key Lab Opt Field Manipulat Zhejiang Prov Hangzhou 310018 Peoples R China;

    Zhejiang Sd Tech Univ Dept Phys Key Lab Opt Field Manipulat Zhejiang Prov Hangzhou 310018 Peoples R China;

    Zhejiang Sd Tech Univ Dept Phys Key Lab Opt Field Manipulat Zhejiang Prov Hangzhou 310018 Peoples R China;

    Zhejiang Sd Tech Univ Dept Phys Key Lab Opt Field Manipulat Zhejiang Prov Hangzhou 310018 Peoples R China;

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