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1. 发明申请

US20140198204A1 METHOD OF FABRICATING TRANSLUCENT MATERIALS WITH DESIRED APPEARANCE 有权
标题翻译：具有预期外观的制造透明材料的方法
公开(公告)号：US20140198204A1
公开(公告)日：2014-07-17
申请号：US13935712
申请日：2013-07-05
申请人： Marios Papas , Christian Regg , Steve Marschner , Wojciech Jarosz , Wojciech Matusik , Philip J. Jackson , Bernd Bickel
发明人： Marios Papas , Christian Regg , Steve Marschner , Wojciech Jarosz , Wojciech Matusik , Philip J. Jackson , Bernd Bickel
IPC分类号： G01N21/47
CPC分类号： G01N21/4738 , Y10T428/24942
摘要： A method for creating a replication material corresponding to the appearance of a translucent or partially translucent target material. The appearance of the target material can be measured or may be prescribed by a user. The method includes receiving by a processor optical data related to a target subsurface scattering parameter of the target material. Once the processor has received the optical or light characteristic data, the method includes determining by the processor a replication pigment concentration to replicate the appearance of the target material caused by the target subsurface scattering parameter. The processor determines this concentration based on a plurality of pigment subsurface scattering parameters corresponding to a plurality of stored pigment concentrations in the computing device. Once the replication pigment concentration has been determined, the method includes creating, physically or virtually, the replication material by combining the pigment concentration with a base material.
摘要翻译：一种用于创建对应于半透明或部分半透明的目标材料的外观的复制材料的方法。可以测量目标材料的外观，或者可以由用户规定。该方法包括由处理器接收与目标材料的目标地下散射参数有关的光学数据。一旦处理器接收到光学或光特性数据，该方法包括由处理器确定复制颜料浓度以复制由目标地下散射参数引起的目标材料的外观。处理器基于对应于计算设备中多个储存的颜料浓度的多个颜料地下散射参数来确定该浓度。一旦确定了复制颜料浓度，该方法包括通过将颜料浓度与基材组合来物理或虚拟地复制复制材料。

2. 发明授权

US09939377B2 Method of fabricating translucent materials with desired appearance 有权
公开(公告)号：US09939377B2
公开(公告)日：2018-04-10
申请号：US13935712
申请日：2013-07-05
申请人： Marios Papas , Christian Regg , Steve Marschner , Wojciech Jarosz , Wojciech Matusik , Philip J. Jackson , Bernd Bickel
发明人： Marios Papas , Christian Regg , Steve Marschner , Wojciech Jarosz , Wojciech Matusik , Philip J. Jackson , Bernd Bickel
IPC分类号： G01N21/47
CPC分类号： G01N21/4738 , Y10T428/24942
摘要： A method for creating a replication material corresponding to the appearance of a translucent or partially translucent target material. The appearance of the target material can be measured or may be prescribed by a user. The method includes receiving by a processor optical data related to a target subsurface scattering parameter of the target material. Once the processor has received the optical or light characteristic data, the method includes determining by the processor a replication pigment concentration to replicate the appearance of the target material caused by the target subsurface scattering parameter. The processor determines this concentration based on a plurality of pigment subsurface scattering parameters corresponding to a plurality of stored pigment concentrations in the computing device. Once the replication pigment concentration has been determined, the method includes creating, physically or virtually, the replication material by combining the pigment concentration with a base material.

3. 发明授权

US09588489B2 Computational highlight holography 有权
标题翻译：计算高光全息术
公开(公告)号：US09588489B2
公开(公告)日：2017-03-07
申请号：US13167601
申请日：2011-06-23
申请人： Christian Regg , Szymon Marek Rusinkiewicz , Wojciech Matusik , Markus Gross
发明人： Christian Regg , Szymon Marek Rusinkiewicz , Wojciech Matusik , Markus Gross
IPC分类号： G03H1/08
CPC分类号： G03H1/0808 , G03H2210/441 , G03H2210/452
摘要： A technique for fabricating a highlight hologram based on a digital object performs point sampling on the object and represents each sampled point as a geometric patch. A set of geometric patches corresponding to sampled points from the object are fabricated into a substrate. A paraboloid patch may be used for reflective substrates while a hyperboloid may be used for transmissive substrates. To avoid specifying overlapping patches, which are impractical to fabricate, certain of the sample points may be merged. An output set of grooves is saved and may be used to specify fabrication of a highlight hologram on the physical substrate.
摘要翻译：基于数字对象制造高光全息图的技术对物体进行点取样，并将每个采样点表示为几何补片。将对应于来自物体的采样点的一组几何斑块制成基底。抛物面贴片可以用于反射基板，而双曲面可以用于透射基底。为了避免指定重叠的补丁，这些补丁是不切合实际的，可能会合并某些采样点。输出的一组凹槽被保存并且可以用于指定物理基板上的高光全息图的制造。

4. 发明授权

US09013484B1 Progressive expectation-maximization for hierarchical volumetric photon mapping 有权
标题翻译：层次体积光子映射的渐进期望最大化
公开(公告)号：US09013484B1
公开(公告)日：2015-04-21
申请号：US13487076
申请日：2012-06-01
申请人： Wenzel Jakob , Christian Regg , Wojciech Jarosz
发明人： Wenzel Jakob , Christian Regg , Wojciech Jarosz
IPC分类号： G06T15/00 , G06T15/06 , G06T15/50
CPC分类号： G06T15/06 , G06T15/506
摘要： State-of-the-art density estimation methods for rendering participating media rely on a dense photon representation of the radiance distribution within a scene. A parametric density estimation technique is used to represent radiance using a hierarchical Gaussian mixture. Coefficients of this mixture are efficiently obtained for use in a progressive and accelerated form of the Expectation-Maximization algorithm. Noise-free renderings of high-frequency illumination are created using only a few thousand Gaussian terms, where millions of photons are traditionally required. Temporal coherence is trivially supported within this framework, and the compact footprint is also useful in the context of real-time visualization. A hierarchical ray tracing-based implementation is demonstrated, as well as a fast splatting approach that can interactively render animated volume caustics.
摘要翻译：用于渲染参与媒体的最先进的密度估计方法依赖于场景内的辐射分布的密集光子表示。参数密度估计技术用于使用分层高斯混合来表示辐射度。有效地获得了混合物的系数，以期望最大化算法的渐进式和加速形式使用。仅使用几千个高斯项就可以产生高频照明的无噪声效果，传统上需要数百万光子。在这个框架内，琐碎的一致性得到了时间的一致性，紧凑的占地面积在实时可视化的上下文中也是有用的。演示了基于层次射线跟踪的实现，以及可以交互式呈现动画音量焦散的快速拼接方法。

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