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1. 发明公开

CN107247399A 一种抑制计算全息显示斑点噪声的时空复用方法有权
公开(公告)号：CN107247399A
公开(公告)日：2017-10-13
申请号：CN201710322591.8
申请日：2017-05-09
申请人：四川大学
发明人：王琼华 , 刘素娟 , 肖聃
IPC分类号： G03H1/26
CPC分类号： G03H1/26 , G03H1/2645 , G03H2001/2605 , G03H2001/2655
摘要：本发明提出一种抑制计算全息显示斑点噪声的时空复用方法，该方法利用像素分离法生成多幅计算全息图，并基于光的偏振态特性和人眼的视觉暂留特性通过时空复用方法进行计算全息图的再现。本发明的计算全息图进行分组再现，同组的计算全息图使用不同偏振态的再现光，通过多个空间光调制器的空间复用，实现重叠爱里斑像点斑点噪声的抑制，不同组再现的计算全息图通过时间复用方法避免爱里斑像点在空间上的重叠，进一步抑制了斑点噪声的产生，同时通过人眼视觉暂留效应，实现了记录信息的完整观看。

2. 发明公开

CN108072976A 用于提供扩展的观察窗口的全息显示设备有权
公开(公告)号：CN108072976A
公开(公告)日：2018-05-25
申请号：CN201711069061.3
申请日：2017-11-03
申请人：三星电子株式会社
发明人：徐元泽 , 徐周源 , 成基荣 , 金允泰
IPC分类号： G02B27/01 , G02B27/22 , G03H1/00 , G03H1/26
CPC分类号： G03H1/268 , G02B1/08 , G02B3/0006 , G02B5/045 , G02B5/18 , G02B5/1814 , G02B27/106 , G02B27/1066 , G02B27/1086 , G02B27/12 , G02B27/2242 , G03H1/2205 , G03H1/2294 , G03H2001/2207 , G03H2001/221 , G03H2001/2239 , G03H2001/2242 , G03H2223/12 , G03H2223/17 , G03H2223/18 , G03H2223/19 , G03H2223/20 , G03H2223/23 , G03H2223/54 , G03H2223/55 , H04N13/351 , G02B27/0103 , G02B27/2214 , G03H1/0005 , G03H1/26 , G03H2001/2605
摘要：提供一种用于提供扩展的观察窗口的全息显示设备。该全息显示设备包括：空间滤光器，其被配置成允许由空间调光器中的第0阶或更高阶衍射生成的多个全息图像从中经过；和图像路径转换元件，其被配置成调节所述多个全息图像的光路，使得所述多个全息图像在光学系统的焦平面上彼此分隔开。

3. 发明公开

CN106233388A 光信息记录再生装置以及光信息记录再生方法无效
公开(公告)号：CN106233388A
公开(公告)日：2016-12-14
申请号：CN201480078148.5
申请日：2014-06-25
申请人：日立民用电子株式会社
发明人：紫垣政信
IPC分类号： G11B7/0065 , G03H1/10 , G03H1/26 , G11B7/135
CPC分类号： G11B7/0065 , G03H1/26 , G03H2001/2605 , G11B7/0045 , G11B7/08564 , G11B7/135 , G11B2007/00653 , G11B2007/00656
摘要：提供一种抑制记录材料的M/#的无用消耗，并提高记录密度的记录方法。一种光信息记录装置，其利用信号光和参照光的干涉在光信息记录介质中记录信息，其具备：光源，其向光信息记录介质射出光；光分割元件，其将从光源射出的出射光分割为信号光和参照光；参照光角度控制部，其控制参照光相对于光信息记录介质的入射角度，使信号光为球面波来对光信息记录介质照射信号光，使参照光为平面波来对光信息记录介质照射参照光，当在光信息记录介质中记录信息时，照射信号光和参照光，从而在光信息介质的内部存在仅以信号光进行曝光的区域、仅以参照光进行曝光的区域、信号光以及参照光重叠进行曝光的区域。

4. 发明申请

US20160132021A1 DEVICE AND METHOD FOR CALCULATING HOLOGRAPHIC DATA 审中-公开
标题翻译：用于计算全息数据的装置和方法
公开(公告)号：US20160132021A1
公开(公告)日：2016-05-12
申请号：US14896085
申请日：2014-06-04
申请人： SEEREAL TECHNOLOGIES S.A.
发明人： Enrico ZSCHAU
IPC分类号： G03H1/08 , G03H1/22
CPC分类号： G03H1/0841 , G03H1/0808 , G03H1/2294 , G03H2001/0858 , G03H2001/2605 , G03H2210/30 , G03H2210/452 , G03H2226/02
摘要： An apparatus and a method for optimized calculation of 2D sub-holograms for object points of a three-dimensional scene and a pipeline for real-time calculation of holograms are provided. The invention shortens the calculation time of a hologram for representing a three-dimensional scene and/or to reduce the calculation complexity of such a hologram. This is achieved by a 2D sub-hologram of an object point, which has image elements of the spatial light modulator, comprises a half 1D sub-hologram, where the radius of each image element is determined and each image element of the 2D sub-hologram is fixedly assigned to at least one image element of the half 1D sub-hologram with identical or similar radius by way of an electronic circuit, by a method for encoding a hologram, and by a pipeline on the basis of FPGA and/or ASIC.
摘要翻译：提供了一种用于优化计算三维场景的对象点的二维子全息图和用于实时计算全息图的流水线的装置和方法。本发明缩短了用于表示三维场景的全息图的计算时间和/或缩短了这种全息图的计算复杂度。这是通过具有空间光调制器的图像元素的物点的2D子全息图，包括半1D子全息图，其中确定每个图像元素的半径，并且2D子全息图的每个图像元素，全息图通过电子电路，通过用于编码全息图的方法和通过基于FPGA和/或ASIC的流水线固定地分配给具有相同或相似半径的半1D子全息图的至少一个图像元素。

5. 发明申请

US20030151784A1 Computer-generated hologram fabrication process, and hologram-recorded medium 有权
标题翻译：计算机生成的全息图制作工艺和全息记录介质
公开(公告)号：US20030151784A1
公开(公告)日：2003-08-14
申请号：US10320790
申请日：2002-12-17
申请人： DAI NIPPON PRINTING CO., LTD.
发明人： Mitsuru Kitamura , Tomohisa Hamano
IPC分类号： G03H001/02
CPC分类号： G03H1/0808 , G03H1/028 , G03H1/0891 , G03H1/30 , G03H2001/0016 , G03H2001/0204 , G03H2001/0858 , G03H2001/2236 , G03H2001/2242 , G03H2001/226 , G03H2001/2605 , G03H2001/306 , G03H2210/30 , G03H2210/32 , G03H2210/36 , G03H2210/40 , G03H2210/452 , G03H2210/52 , G03H2210/55 , G03H2210/56 , G03H2224/04 , G03H2240/13 , G03H2240/56 , G03H2240/62
摘要： The invention relates to a computer-generated hologram fabrication process that can reduce loads on computation of interference fringes for an original image including micro-characters. A visually perceivable original image 11 and a visually unperceivable original image 12 (micro-characters) are defined, and sample point sources of light P are defined at a low density on the original image 11 and at a high density on the original image 12. Interference fringes of object light coming from the point light sources on the original image 11 and reference light R are found on each computation point within an area null1 on a recording surface 20, and interference fringes of object light coming from point light sources on the original image 12 and reference light R are found on each computation point within an area null2 on the recording surface 20. The light sources that become samples are defined at a given pitch on sectional lines obtained by cutting the original images 11 and 12 by a multiplicity of sections (parallel with an XZ plane) located at a given spacing. The section-to-section spacing for the original image 12 is made narrows than that for the original image 11.
摘要翻译：本发明涉及一种计算机生成的全息图制作工艺，其可以减少包括微型字符的原始图像的干涉条纹计算的负担。定义了视觉上可感知的原始图像11和视觉上不可理解的原始图像12（微型字符），并且以原始图像11上的低密度和原始图像12上的高密度定义光P的采样点光源。在原始图像11上的点光源的对象光的干涉条纹和参考光R被发现在记录表面20上的区域α1内的每个计算点上，并且来自点光源的对象光的干涉条纹在原始图像在记录表面20上的区域α2内的每个计算点上找到图像12和参考光R.在通过将原始图像11和12切割多个而获得的截面线上以给定间距定义成为样本的光源位于给定间隔的部分（与XZ平面平行）。原始图像12的部分间隔间隔比原始图像11窄。

6. 发明申请

US20170162221A1 Optical Information Recording/Reproduction Device and Optical Information Recording/Reproduction Method 审中-公开
公开(公告)号：US20170162221A1
公开(公告)日：2017-06-08
申请号：US15320766
申请日：2014-06-25
申请人： Hitachi Consumer Electronics Co., Ltd.
发明人： Masanobu SHIGAKI
IPC分类号： G11B7/0065 , G11B7/135 , G11B7/0045 , G03H1/26
CPC分类号： G11B7/0065 , G03H1/26 , G03H2001/2605 , G11B7/0045 , G11B7/08564 , G11B7/135 , G11B2007/00653 , G11B2007/00656
摘要： Provided is a recording method with which wasteful consumption of the M number (M/#) of the recording material is prevented, and with which the recording density is improved. An optical information recording device that utilizes interference between signal light and reference light to record information on an optical information recording medium is equipped with: a light source that emits light toward an optical recording medium; a beam-splitting element that splits the emission light emitted from the light source into signal light and reference light; and a reference light angle control unit that controls the incidence angle of the reference light with respect to the optical information recording medium. The optical recording medium is irradiated with the signal light as a spherical wave and is irradiated with the reference light as a planar wave, and when information is recorded on the optical information recording medium, the optical information recording medium is irradiated such that there exists in the interior of the optical information recording medium a region which is exposed only to the signal light, a region which is exposed only to the reference light, and a region which is exposed to overlapping signal light and reference light.

7. 发明申请

US20140009807A1 METHOD AND APPARATUS FOR SPACE DIVISION MULTIPLEXED COLOR HOLOGRAPHIC DISPLAY 审中-公开
标题翻译：空间分割多色彩色全息显示的方法和装置
公开(公告)号：US20140009807A1
公开(公告)日：2014-01-09
申请号：US13542562
申请日：2012-07-05
申请人： Yuechao Pan , Xuewu Xu , Sanjeev Solanki , Xinan Liang , Zhiming Abel Lum
发明人： Yuechao Pan , Xuewu Xu , Sanjeev Solanki , Xinan Liang , Zhiming Abel Lum
IPC分类号： G03H1/08
CPC分类号： G03H1/0808 , G03H1/2286 , G03H1/2294 , G03H1/26 , G03H2001/2271 , G03H2001/2605 , G03H2210/30 , G03H2225/61
摘要： Methods and an apparatus for color holographic display are provided. The method for color holographic display includes modifying a plurality of color component light beams by passing light from each of a plurality of color component light sources through a corresponding one of a plurality of color sub-hologram masks to generate a corresponding plurality of modified color component light beams. The plurality of modified color component light beams are color multiplexed to generate a multiplexed masked color light beam. The multiplexed masked color light beam is shined onto modulated computer generated holographic information corresponding to the object in order to reconstruct the object by diffracting each portion of the multiplexed masked color light beam to a location and at an intensity determined in response to a corresponding portion of the computer generated holographic information to create the object as a color holographic display.
摘要翻译：提供了用于彩色全息显示的方法和装置。用于彩色全息显示的方法包括通过使来自多个颜色分量光源中的每一个的光通过多个彩色子全息图掩模中的对应的一个来修改多个颜色分量光束，以生成相应的多个修改的颜色分量光束。多个经修改的彩色分量光束进行彩色多路复用以产生多路复用的掩蔽彩色光束。复用的掩蔽的彩色光束被照射到对应于对象的调制计算机产生的全息信息上，以便通过将多路复用的被遮蔽的彩色光束的每个部分衍射到一个位置并以响应于计算机产生全息信息以创建物体作为彩色全息显示。

8. 发明公开

US20240184242A1 Data-efficient Photorealistic 3D Holography 审中-公开
公开(公告)号：US20240184242A1
公开(公告)日：2024-06-06
申请号：US18284920
申请日：2022-03-25
申请人： Massachusetts Institute of Technology
发明人： Wojciech Matusik , Liang Shi
IPC分类号： G03H1/08 , G03H1/04 , G03H1/22 , G03H1/26
CPC分类号： G03H1/0841 , G03H1/0406 , G03H1/0866 , G03H2001/085 , G03H2001/2271 , G03H2001/2605
摘要： A number of techniques provide a data efficient and/or computation efficient computer-generated holography, examples of which may be implemented on low-power devices such as smartphones and virtual-reality/augmented-reality devices and provide high fidelity holographic images. The techniques include used of layered depth image representations and end-to-end training of neural network generation of double-phase hologram encoding.

9. 发明申请

US20050225816A1 Computer-generated hologram fabrication process, and hologram-recorded medium 有权
标题翻译：计算机生成的全息图制作工艺和全息记录介质
公开(公告)号：US20050225816A1
公开(公告)日：2005-10-13
申请号：US11146031
申请日：2005-06-07
申请人： Mitsuru Kitamura , Tomohisa Hamano
发明人： Mitsuru Kitamura , Tomohisa Hamano
IPC分类号： G03H1/26 , G03H1/08 , G11C13/04 , G11C17/00
CPC分类号： G03H1/0808 , G03H1/028 , G03H1/0891 , G03H1/30 , G03H2001/0016 , G03H2001/0204 , G03H2001/0858 , G03H2001/2236 , G03H2001/2242 , G03H2001/226 , G03H2001/2605 , G03H2001/306 , G03H2210/30 , G03H2210/32 , G03H2210/36 , G03H2210/40 , G03H2210/452 , G03H2210/52 , G03H2210/55 , G03H2210/56 , G03H2224/04 , G03H2240/13 , G03H2240/56 , G03H2240/62
摘要： The invention relates to a computer-generated hologram fabrication process that can reduce loads on computation of interference fringes for an original image including micro-characters. A visually perceivable original image 11 and a visually unperceivable original image 12 (micro-characters) are defined, and sample point sources of light P are defined at a low density on the original image 11 and at a high density on the original image 12. Interference fringes of object light coming from the point light sources on the original image 11 and reference light R are found on each computation point within an area α1 on a recording surface 20, and interference fringes of object light coming from point light sources on the original image 12 and reference light R are found on each computation point within an area α2 on the recording surface 20. The light sources that become samples are defined at a given pitch on sectional lines obtained by cutting the original images 11 and 12 by a multiplicity of sections (parallel with an XZ plane) located at a given spacing. The section-to-section spacing for the original image 12 is made narrows than that for the original image 11.
摘要翻译：本发明涉及一种计算机生成的全息图制作工艺，其可以减少包括微型字符的原始图像的干涉条纹计算的负担。定义了视觉上可感知的原始图像11和视觉上不可理解的原始图像12（微型字符），并且以原始图像11上的低密度和原始图像12上的高密度定义光P的采样点光源。在原始图像11上的点光源的对象光的干涉条纹和参考光R被发现在记录表面20上的区域α1内的每个计算点上，并且来自点光源的对象光的干涉条纹在原始图像在记录表面20上的区域α2内的每个计算点上找到图像12和参考光R. 成为样品的光源以通过以给定间隔切割原始图像11和12多个部分（平行于XZ平面）获得的截面线上以给定的间距来定义。原始图像12的部分间隔间隔比原始图像11窄。

10. 发明公开

EP1777596A3 Computer-generated hologram and its fabrication process 有权
标题翻译：合成Hologramm undzugehörigesHerstellungsverfahren
公开(公告)号：EP1777596A3
公开(公告)日：2007-08-08
申请号：EP05026517.2
申请日：2002-12-18
申请人： DAI NIPPON PRINTING CO., LTD.
发明人： Kitamura, Mitsuru Dai Nippon Print. Co., Ltd. , Hamano, Tomohisa Dai Nippon print. Co., Ltd.
IPC分类号： G03H1/08
CPC分类号： G03H1/0808 , G03H1/028 , G03H1/0841 , G03H1/0891 , G03H1/30 , G03H2001/0016 , G03H2001/0204 , G03H2001/0858 , G03H2001/2236 , G03H2001/2242 , G03H2001/226 , G03H2001/2605 , G03H2001/306 , G03H2210/30 , G03H2210/32 , G03H2210/36 , G03H2210/40 , G03H2210/452 , G03H2210/454 , G03H2210/52 , G03H2210/55 , G03H2210/56 , G03H2224/04 , G03H2240/13 , G03H2240/56 , G03H2240/62
摘要： The invention relates to a computer-generated hologram fabrication process that can reduce loads on computation of interference fringes for an original image including micro-characters. A visually perceivable original image 11 and a visually unperceivable original image 12 (micro-characters) are defined, and sample point sources of light P are defined at a low density on the original image 11 and at a high density on the original image 12. Interference fringes of object light coming from the point light sources on the original image 11 and reference light R are found on each computation point within an area α1 on a recording surface 20, and interference fringes of object light coming from point light sources on the original image 12 and reference light R are found on each computation point within an area α2 on the recording surface 20. The light sources that become samples are defined at a given pitch on sectional lines obtained by cutting the original images 11 and 12 by a multiplicity of sections (parallel with an XZ plane) located at a given spacing. The section-to-section spacing for the original image 12 is made narrows than that for the original image 11.
摘要翻译：本发明涉及一种计算机生成的全息图制作工艺，其能够减少包括微型字符在内的原始图像的干涉条纹计算的负担。定义视觉可感知的原始图像11和视觉上不可理解的原始图像12（微字符），并且在原始图像11上以低密度限定光P的采样点光源，并且以原始图像12上的高密度定义。在记录表面20上的区域α1内的每个计算点上找到来自原始图像11上的点光源的对象光的干涉条纹和参考光R，以及来自点光源的对象光的干涉条纹原始图像12和参考光R被发现在记录表面20上的区域α2内的每个计算点上。成为样本的光源在以原始图像11和12切割所获得的截面线上以给定的间距被限定位于给定间隔的多个部分（与XZ平面平行）。原始图像12的部分间隔间隔比原始图像11窄

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