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    • 45. 发明申请
    • 3-Dimensional Image Display Device and 3-Dimensional Image Display Method
    • 三维图像显示设备和三维图像显示方法
    • US20080192310A1
    • 2008-08-14
    • US10587971
    • 2005-02-09
    • Masashi TsuboiTsutomu HorikoshiAtsushi Takeshita
    • Masashi TsuboiTsutomu HorikoshiAtsushi Takeshita
    • G03H1/08
    • G03H1/0841G03H1/0808
    • A three-dimensional image display device is provided which allows a reduction in redundant calculation and high-speed obtainment of an optimum control image to be recorded on an optical wavefront control unit This invention relates to a three-dimensional image display device for displaying a three-dimensional image by irradiating illuminating light at an optical wavefront control unit which records a control image. The three-dimensional image display device of this invention includes a control image optimizing unit which calculates three-dimensional images corresponding to a group of control images based on constraints inherent to the optical wavefront control unit, selects a control image corresponding to a three-dimensional image satisfying a predetermined condition from the group of control images and records the selected control image on the optical wavefront control device.
    • 提供一种三维图像显示装置,其能够减少要记录在光波阵面控制单元上的最佳控制图像的冗余计算和高速获取。三维图像显示装置技术领域本发明涉及一种三维图像显示装置, 通过在记录控制图像的光波前控制单元处照射照明光来进行三维图像。 本发明的三维图像显示装置包括控制图像优化单元,其根据光波前控制单元固有的约束计算与一组控制图像对应的三维图像,选择对应于三维图像的三维图像 从所述控制图像组满足预定条件的图像,并将所选择的控制图像记录在所述光学波前控制装置上。
    • 46. 发明授权
    • Method and system for producing computer generated holograms realizing real time holographic video production and display
    • 用于生成计算机生成的全息图的实现全息影像制作和显示的方法和系统
    • US06269170B1
    • 2001-07-31
    • US09532257
    • 2000-03-22
    • Tsutomu HorikoshiKazuhito HiguchiTakaaki AkimotoSatoshi Suzuki
    • Tsutomu HorikoshiKazuhito HiguchiTakaaki AkimotoSatoshi Suzuki
    • G06T700
    • G03H1/0808G03H1/2294G03H1/268G03H1/34G03H2001/0825G03H2001/0833G03H2001/303G03H2210/30G03H2210/32G03H2210/40G03H2210/452G03H2210/56G03H2210/62G03H2226/05G03H2240/56G03H2240/62
    • A scheme for producing computer generated holograms in which a motion vector of each object to be displayed is detected, objects are classified according to their motions, a hologram fringe pattern for each classified group of objects is calculated separately by image processing stored basic patterns, and a hologram to be displayed is produced, by synthesizing all separately calculated hologram fringe patterns. In another aspect, a gaze point of the observer is determined, and a hologram to be displayed is produced by using high resolution hologram fringe patterns for objects located at the gaze point and low resolution hologram fringe patterns for regions other than the gaze point. In another aspect, a distance between each display target object and a hologram plane is obtained, a region of calculations for interference fringes due to each display target object is limited according to the obtained distance, interference fringes due to each display target object are separatedly calculated within the limited region of calculations, and a hologram to be displayed is produced by synthesizing separately calculated interference fringes due to all display target objects.
    • 一种用于生成计算机产生的全息图的方案,其中检测到要显示的每个对象的运动矢量,根据其运动对对象进行分类,通过图像处理存储的基本图案分别计算每个分类的对象组的全息图条纹图案,以及 通过合成所有单独计算的全息图条纹图案,产生要显示的全息图。 在另一方面,确定观察者的凝视点,并且通过对位于凝视点处的物体使用高分辨率全息图条纹图案和除了凝视点之外的区域的低分辨率全息图条纹图案来产生要显示的全息图。 在另一方面,获得每个显示目标对象和全息图平面之间的距离,根据所获得的距离限制由于每个显示目标对象引起的干涉条纹的计算区域,分别计算由于每个显示目标对象引起的干涉条纹 在有限的计算区域内,通过由于所有显示目标对象而合成分开计算的干涉条纹来产生要显示的全息图。
    • 47. 发明授权
    • Method and system for producing computer generated holograms realizing real time holographic video production and display
    • 用于生成计算机生成的全息图的实现全息影像制作和显示的方法和系统
    • US06219435B1
    • 2001-04-17
    • US09532694
    • 2000-03-22
    • Tsutomu HorikoshiKazuhito HiguchiTakaaki AkimotoSatoshi Suzuki
    • Tsutomu HorikoshiKazuhito HiguchiTakaaki AkimotoSatoshi Suzuki
    • G06T700
    • G03H1/0808G03H1/2294G03H1/268G03H1/34G03H2001/0825G03H2001/0833G03H2001/303G03H2210/30G03H2210/32G03H2210/40G03H2210/452G03H2210/56G03H2210/62G03H2226/05G03H2240/56G03H2240/62
    • A scheme for producing computer generated holograms in which a motion vector of each object to be displayed is detected, objects are classified according to their motions, a hologram fringe pattern for each classified group of objects is calculated separately by image processing stored basic patterns, and a hologram to be displayed is produced by synthesizing all separately calculated hologram fringe patterns. In another aspect, a gaze point of the observer is determined, and a hologram to be displayed is produced by using high resolution hologram fringe patterns for objects located at the gaze point and low resolution hologram fringe patterns for regions other than the gaze point. In another aspect, a distance between each display target object and a hologram plane is obtained, a region of calculations for interference fringes due to each display target object is limited according to the obtained distance, interference fringes due to each display target object are separatedly calculated within the limited region of calculations, and a hologram to be displayed is produced by synthesizing separately calculated interference fringes due to all display target objects.
    • 一种用于生成计算机产生的全息图的方案,其中检测到要显示的每个对象的运动矢量,根据其运动对对象进行分类,通过图像处理存储的基本图案分别计算每个分类的对象组的全息图条纹图案,以及 通过合成所有单独计算的全息图条纹图案来产生待显示的全息图。 在另一方面,确定观察者的凝视点,并且通过对位于凝视点处的物体使用高分辨率全息图条纹图案和除了凝视点之外的区域的低分辨率全息图条纹图案来产生要显示的全息图。 在另一方面,获得每个显示目标对象和全息图平面之间的距离,根据所获得的距离限制由于每个显示目标对象引起的干涉条纹的计算区域,分别计算由于每个显示目标对象引起的干涉条纹 在有限的计算区域内,通过由于所有显示目标对象而合成分开计算的干涉条纹来产生要显示的全息图。