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首页> 外文期刊>IEEE transactions on industrial informatics >Color Holographic Wavefront Printing Technique for Realistic Representation
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Color Holographic Wavefront Printing Technique for Realistic Representation

机译：彩色全息波前印刷技术可实现真实表现

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摘要

This paper presents design and implementation of a color wavefront holographic printer. The printer output is a white light viewable volume hologram composed as a two-dimensional (2-D) array of elemental holograms. The three-dimensional (3-D) input data for the printer are encoded as computer generated holograms (CGHs) displayed in succession on an amplitude type spatial light modulator. The printer optical head extracts and demagnifies the beam with the 3-D object information from the beam diffracted by the modulator to produce a small size elemental hologram. This allows for mosaic delivery of exposures at primary colors with each elemental hologram acting as a single color channel. Computer generation of digital contents is accelerated by design of a phase-added stereogram approach based on partitioning of each CGH. Bright 3-D reconstruction with a motion parallax at saturated colors from holograms of test objects is presented. The holograms are printed on a silver-halide emulsion. The achieved high quality proves feasibility of recording analog color volume holograms from digital contents by mosaic delivery of the primary colors. Two quality enhancement approaches are proposed and tested.
机译：本文介绍了彩色波前全息打印机的设计和实现。打印机输出是白光可见体积全息图，由元素全息图的二维（2-D）阵列组成。打印机的三维（3-D）输入数据被编码为在幅度类型的空间光调制器上连续显示的计算机生成的全息图（CGH）。打印机光学头从调制器衍射的光束中提取具有3-D对象信息的光束并对其进行缩小，以生成小尺寸的元素全息图。这允许将原色的曝光图进行马赛克传送，而每个元素全息图都充当单个颜色通道。通过设计基于每个CGH的相加立体图方法，可以加速数字内容的计算机生成。呈现了明亮的3-D重构，其中包含来自测试对象全息图的饱和色下的运动视差。全息图印在卤化银乳剂上。所获得的高质量证明了通过原色的马赛克传送从数字内容中记录模拟色体积全息图的可行性。提出并测试了两种质量增强方法。

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