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1. 发明授权

US07277209B1 Computer-assisted holographic method and device 失效
标题翻译：计算机辅助全息方法和装置
公开(公告)号：US07277209B1
公开(公告)日：2007-10-02
申请号：US09530968
申请日：1998-11-17
申请人： Jean-Claude Grossetie , Pierre Noirard
发明人： Jean-Claude Grossetie , Pierre Noirard
IPC分类号： G03H1/08 , G03H1/26
CPC分类号： G03H1/26 , G03H1/08 , Y10S359/90
摘要： The method consists of computing (E1-E4) a set of two-dimensional images in a three-dimensional geometrical space representing a virtual object from respective different viewpoints. The virtual object is represented by digital data stored in a computer. Holograms are computed (E5-E6) for the respective two-dimensional images using a fast complex transform, such as a Fourier transform. The holograms are then juxtaposed (E7) to form a digital hologram of the object which is physically reproduced (E8) by a spatial light modulator. A three-dimensional image of the object is obtained by illuminating the spatial light modulator with a coherent source.
摘要翻译：该方法包括从表示来自各个不同视点的虚拟对象的三维几何空间中计算（E 1 -E 4）一组二维图像。虚拟对象由存储在计算机中的数字数据表示。使用诸如傅立叶变换的快速复合变换对于相应的二维图像计算全息图（E 5 -E 6）。然后将全息图并列（E 7），以形成通过空间光调制器物理再现（E 8）的物体的数字全息图。通过用相干光源照射空间光调制器来获得该物体的三维图像。

2. 发明授权

US06621605B1 Computer-assisted method and device for restoring three-dimensional images 有权
标题翻译：用于恢复三维图像的计算机辅助方法和装置
公开(公告)号：US06621605B1
公开(公告)日：2003-09-16
申请号：US09856482
申请日：2001-06-11
申请人： Jean-Claude Grossetie , Pierre Noirard
发明人： Jean-Claude Grossetie , Pierre Noirard
IPC分类号： G03H108
CPC分类号： G03H1/26 , G03H1/08 , G03H1/0808 , G03H1/2249 , G03H1/2294 , G03H2001/2263 , G03H2001/2297 , G03H2001/2655 , G03H2210/30 , G03H2210/454
摘要： A three-dimensional image is stored (E0) in a computer memory in the form of digital data and defined in a three-dimensional geometrical space. Two-dimensional images are calculated (E1) by determining, in the three-dimensional geometrical space, the intersections between the three-dimensional image and a plurality of parallel section planes. Respective holograms are calculated (E2) for the two-dimensional images, and are then reproduced (E3) sequentially on a spatial light modulator illuminated by a coherent light source. A transparent three-dimensional image is thus reproduced.
摘要翻译：三维图像以数字数据形式存储在计算机存储器中，并以三维几何空间定义。通过在三维几何空间中确定三维图像和多个平行截面之间的交点来计算二维图像（E1）。对于二维图像计算各个全息图（E2），然后在由相干光源照明的空间光调制器上依次再现（E3）。因此，再现透明的三维图像。

3. 发明授权

US06344909B1 Method and device for hologram synthesis 失效
标题翻译：用于全息图合成的方法和装置
公开(公告)号：US06344909B1
公开(公告)日：2002-02-05
申请号：US09530967
申请日：2000-05-19
申请人： Jean-Claude Grossetie , Pierre Noirard
发明人： Jean-Claude Grossetie , Pierre Noirard
IPC分类号： G03H108
CPC分类号： G03H1/08 , G03H2210/20
摘要： The method consists of transforming a digital two-dimensional image defined by a real function into a complex two-dimensional image defined by a complex function, oversampling the complex image, simulating the production of a diffracted image resulting from the diffraction of an optical wave by the oversampled complex image, and adding a complex field representing a reference optical wave to the resulting diffracted image to produce a hologram. The hologram produced in this way can be used to produce images in three dimensions or in telecommunications.
摘要翻译：该方法包括将由真实函数定义的数字二维图像转换为由复函数定义的复数二维图像，对复数图像进行过采样，模拟由光波衍射产生的衍射图像的产生过采样复数图像，并将表示参考光波的复数场添加到所得衍射图像以产生全息图。以这种方式产生的全息图可用于产生三维或电信中的图像。

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