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    • 6. 发明授权
    • Method and device for holographically reconstructing a scene
    • 用于全息重建场景的方法和装置
    • US08441703B2
    • 2013-05-14
    • US12670886
    • 2008-07-25
    • Norbert Leister
    • Norbert Leister
    • G03H1/08
    • G03H1/32G03H1/0808G03H1/2249G03H1/2294G03H2001/2242G03H2001/2263G03H2001/2271G03H2210/452G03H2210/454G03H2226/05G03H2240/62
    • A holographic reconstruction device is designed such that visible resolution of the reconstruction of a scene is matched to the resolution capability of the human eye, to the imaging properties of the reconstruction means used or to the resolution capability of the light modulation means used. A grid scale for the object points is generated by system control means in each case in a plane of intersection, which grid scale cannot be used to separately resolve adjacent object points in the plane of intersection, and the compilation of object points of the respective plane of intersection to form an object point group with adjacent object points which can be separately resolved is carried out. In holographic displays, the invention is used to reduce speckle patterns and reduce the number of the holograms of object points of the scene, which are to be calculated and coded, and the calculation complexity.
    • 全息重建装置被设计成使得场景的重建的可视分辨率与人眼的分辨能力,所使用的重建装置的成像特性或所使用的光调制装置的分辨能力相匹配。 用于对象点的网格尺度由系统控制装置在每种情况下在交叉平面中产生,该网格尺度不能用于单独地解析相交平面中的相邻对象点,并且各平面的对象点的编译 的交点以形成具有可以单独解决的相邻对象点的对象点组。 在全息显示器中,本发明用于减少斑点图案并减少要被计算和编码的场景的对象点的全息图的数量以及计算复杂性。
    • 10. 发明申请
    • Computer-generated hologram fabrication process, and hologram-recorded medium
    • 计算机生成的全息图制作工艺和全息记录介质
    • US20030156306A1
    • 2003-08-21
    • US10320630
    • 2002-12-17
    • DAI NIPPON PRINTING CO., LTD.
    • Mitsuru Kitamura
    • G03H001/02
    • G03H1/0841G03H1/028G03H1/0808G03H2001/0478G03H2001/085G03H2001/2242G03H2210/30G03H2210/32G03H2210/33G03H2210/36G03H2210/441G03H2210/452G03H2210/55G03H2210/56G03H2240/41G03H2240/62
    • The invention relates to a computer-generated hologram fabrication process that enables a plurality of original images to be observed with master-slave relations. Original images 11, 12, a recording surface 20 and reference light R are defined on a computer, and a number of point light sources P11-1, . . . , P12-1, . . . as samples are defined on each original image. Given angles of spreading of object light beams emitted from individual point light sources are defined, and areas on the recording surface 20, at which object light beams emitted from point light sources defined on each original image 11, 12 with the thus limited given angles of spreading arrive, are determined as recording areas null11 and null12 corresponding to the original images 11 and 12. When there is an overlapping (hatched) portion in the recording areas, the overlapping portion is determined as a recording area corresponding to the master original image. Within the area null11 there is recorded only information about the original image 11, and within the area null12 there is recorded only information about the original image 12. Upon reconstruction, the boundary portion of the master original image is enhanced.
    • 本发明涉及一种计算机生成的全息图制作过程,其能够以主从关系来观察多个原始图像。 原始图像11,12,记录表面20和参考光R被定义在计算机上,并且多个点光源P11-1,...。 。 。 ,P12-1,。 。 。 因为在每个原始图像上定义样本。 定义了从各个点光源发射的物体光束的扩展角度,以及记录表面20上的区域,在该区域上限定在每个原始图像11,12上的点光源发射的物体具有如此有限的给定角度 被确定为对应于原始图像11和12的记录区域α11和α12。当在记录区域中存在重叠(阴影)部分时,重叠部分被确定为对应于主原始图像的记录区域。 在区域α11内仅记录关于原始图像11的信息,并且在区域α12内仅记录关于原始图像12的信息。在重建时,主原始图像的边界部分被增强。