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公开(公告)号:US20060028468A1
公开(公告)日:2006-02-09
申请号:US10898435
申请日:2004-07-23
申请人: Yanyun Chen , Xin Tong , Stephen Lin , Baining Guo , Heung-Yeung Shum
发明人: Yanyun Chen , Xin Tong , Stephen Lin , Baining Guo , Heung-Yeung Shum
IPC分类号: G06T17/00
CPC分类号: G06T15/04
摘要: Techniques are provided for at least modeling any one of mesostructure shadowing, masking, interreflection and silhouettes on a surface, as well as subsurface scattering within a non-homogeneous volume. Such techniques include, at least, acquiring material parameters for a material sample, determining irradiance distribution values for the material sample, synthesizing the material sample onto a mesh of an object. The synthesized object may then be rendered by one of plural rendering techniques.
摘要翻译: 提供技术用于至少建模表面上的任何一种介观结构阴影,掩模,反射和剪影,以及非均匀体积内的地下散射。 这些技术至少包括获取材料样品的材料参数,确定材料样品的辐照度分布值,将材料样品合成到物体的网格上。 然后可以通过多个渲染技术之一来呈现合成对象。
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公开(公告)号:US07609264B2
公开(公告)日:2009-10-27
申请号:US11277935
申请日:2006-03-29
申请人: Xin Tong , Yanyun Chen , Baining Guo , Heung-Yeung Shum , Stephen Lin , Ying Song
发明人: Xin Tong , Yanyun Chen , Baining Guo , Heung-Yeung Shum , Stephen Lin , Ying Song
IPC分类号: G06T15/00
CPC分类号: G06T15/55
摘要: A shell radiance texture function (SRTF) is defined to record an outgoing radiance from a base volume of an object to be rendered. Using the SRTF, radiance values are precomputed and stored for the base volume. The object is rendered using the precomputed radiance values.
摘要翻译: 外壳辐射纹理函数(SRTF)被定义为记录要渲染的对象的基本卷的传出辐射。 使用SRTF,辐射值被预先计算并存储为基本卷。 使用预先计算的辐射值渲染对象。
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公开(公告)号:US20070229502A1
公开(公告)日:2007-10-04
申请号:US11277935
申请日:2006-03-29
申请人: Xin Tong , Yanyun Chen , Baining Guo , Heung-Yeung Shum , Stephen Lin , Ying Song
发明人: Xin Tong , Yanyun Chen , Baining Guo , Heung-Yeung Shum , Stephen Lin , Ying Song
IPC分类号: G06T15/50
CPC分类号: G06T15/55
摘要: A shell radiance texture function (SRTF) is defined to record an outgoing radiance from a base volume of an object to be rendered. Using the SRTF, radiance values are precomputed and stored for the base volume. The object is rendered using the precomputed radiance values.
摘要翻译: 外壳辐射纹理函数(SRTF)被定义为记录要渲染的对象的基本卷的传出辐射。 使用SRTF,辐射值被预先计算并存储为基本卷。 使用预先计算的辐射值渲染对象。
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公开(公告)号:US07557807B2
公开(公告)日:2009-07-07
申请号:US11174439
申请日:2005-07-01
申请人: Yanyun Chen , Xin Tong , Baining Guo , Heung-Yeung Shum
发明人: Yanyun Chen , Xin Tong , Baining Guo , Heung-Yeung Shum
IPC分类号: G06T15/70
CPC分类号: G06F17/5009 , G06F2217/10
摘要: An exemplary computer-implementable method includes providing a computer-generated object wherein the object has characteristics, emitting a computer-generated particle, determining if the particle interacts with the object and, if the particle interacts with the object, altering one or more of the characteristic of the object wherein the altering simulates weathering or aging of the object. Various other exemplary techniques are also disclosed.
摘要翻译: 示例性的可计算机可实现的方法包括提供计算机生成的对象,其中对象具有特征,发射计算机生成的粒子,确定粒子是否与对象相互作用,以及如果粒子与对象相互作用,则改变一个或多个 其特征在于,其中改变模拟物体的风化或老化。 还公开了各种其它示例性技术。
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公开(公告)号:US20070247472A1
公开(公告)日:2007-10-25
申请号:US11277938
申请日:2006-03-29
申请人: Xin Tong , Yanyun Chen , Baining Guo , Heung-Yeung Shum , Jiaping Wang , John Snyder
发明人: Xin Tong , Yanyun Chen , Baining Guo , Heung-Yeung Shum , Jiaping Wang , John Snyder
IPC分类号: G09G5/00
摘要: A method and system for implementing capturing and rendering geometric details for mesostructure surfaces is described herein. A mesostructure distance function is defined as a function of a given reference point and a given viewing direction. A distance from a reference point to a mesostructure surface point along a viewing direction is measured using the mesostructure distance function. This distance is used to determine the visibility of mesostructure surface for rendering silhouettes. The lighting visibility of the mesostructure surface point may also be determined and used for determining whether the mesostructure surface point is in shadow. This determination may then be used for rendering shadow silhouettes.
摘要翻译: 本文描述了一种用于实现用于介观结构表面的捕获和渲染几何细节的方法和系统。 介观结构距离函数被定义为给定参考点和给定观察方向的函数。 使用介观结构距离函数测量从参考点到观察方向的介观结构表面点的距离。 该距离用于确定用于渲染轮廓的介观结构表面的可见性。 也可以确定介观结构表面点的照明可见度,并用于确定介观结构表面点是否处于阴影。 然后可以将该确定用于渲染阴影剪影。
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公开(公告)号:US07430490B2
公开(公告)日:2008-09-30
申请号:US11277938
申请日:2006-03-29
申请人: Xin Tong , Yanyun Chen , Baining Guo , Heung-Yeung Shum , Jiaping Wang , John Michael Snyder
发明人: Xin Tong , Yanyun Chen , Baining Guo , Heung-Yeung Shum , Jiaping Wang , John Michael Snyder
IPC分类号: G06T15/40
摘要: A method and system for implementing capturing and rendering geometric details for mesostructure surfaces is described herein. A mesostructure distance function is defined as a function of a given reference point and a given viewing direction. A distance from a reference point to a mesostructure surface point along a viewing direction is measured using the mesostructure distance function. This distance is used to determine the visibility of mesostructure surface for rendering silhouettes. The lighting visibility of the mesostructure surface point may also be determined and used for determining whether the mesostructure surface point is in shadow. This determination may then be used for rendering shadow silhouettes.
摘要翻译: 本文描述了一种用于实现用于介观结构表面的捕获和渲染几何细节的方法和系统。 介观结构距离函数被定义为给定参考点和给定观察方向的函数。 使用介观结构距离函数测量从参考点到观察方向的介观结构表面点的距离。 该距离用于确定用于渲染轮廓的介观结构表面的可见性。 也可以确定介观结构表面点的照明可见度,并用于确定介观结构表面点是否处于阴影。 然后可以将该确定用于渲染阴影剪影。
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公开(公告)号:US07327365B2
公开(公告)日:2008-02-05
申请号:US10898435
申请日:2004-07-23
申请人: Yanyun Chen , Xin Tong , Stephen S. Lin , Baining Guo , Heung-Yeung Shum
发明人: Yanyun Chen , Xin Tong , Stephen S. Lin , Baining Guo , Heung-Yeung Shum
IPC分类号: G06T17/00
CPC分类号: G06T15/04
摘要: Techniques are provided for at least modeling any one of mesostructure shadowing, masking, interreflection and silhouettes on a surface, as well as subsurface scattering within a non-homogeneous volume. Such techniques include, at least, acquiring material parameters for a material sample, determining irradiance distribution values for the material sample, synthesizing the material sample onto a mesh of an object. The synthesized object may then be rendered by one of plural rendering techniques.
摘要翻译: 提供技术用于至少建模表面上的任何一种介观结构阴影,掩模,反射和剪影,以及非均匀体积内的地下散射。 这些技术至少包括获取材料样品的材料参数,确定材料样品的辐照度分布值,将材料样品合成到物体的网格上。 然后可以通过多个渲染技术之一来呈现合成对象。
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公开(公告)号:US20070002056A1
公开(公告)日:2007-01-04
申请号:US11174439
申请日:2005-07-01
申请人: Yanyun Chen , Xin Tong , Baining Guo , Heung-Yeung Shum
发明人: Yanyun Chen , Xin Tong , Baining Guo , Heung-Yeung Shum
IPC分类号: G06T15/70
CPC分类号: G06F17/5009 , G06F2217/10
摘要: An exemplary computer-implementable method includes providing a computer-generated object wherein the object has characteristics, emitting a computer-generated particle, determining if the particle interacts with the object and, if the particle interacts with the object, altering one or more of the characteristic of the object wherein the altering simulates weathering or aging of the object. Various other exemplary techniques are also disclosed.
摘要翻译: 示例性的可计算机可实现的方法包括提供计算机生成的对象,其中对象具有特征,发射计算机生成的粒子,确定粒子是否与对象相互作用,以及如果粒子与对象相互作用,则改变一个或多个 其特征在于,其中改变模拟物体的风化或老化。 还公开了各种其它示例性技术。
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公开(公告)号:US07050058B2
公开(公告)日:2006-05-23
申请号:US11187507
申请日:2005-07-22
申请人: Lin Liang , Yanyun Chen , Ying-Qing Xu , Baining Guo , Heung-Yeung Shum
发明人: Lin Liang , Yanyun Chen , Ying-Qing Xu , Baining Guo , Heung-Yeung Shum
IPC分类号: G06T15/70
CPC分类号: G06T13/60 , G06T13/80 , G06T15/04 , G06T2210/24 , H04N5/262
摘要: A system and process for adding a photorealistic rendering of a body of water to a virtual 3D scene or image and creating a video therefrom having interactive water effects. A region of water is added to an image by adding an area depicting the original scene as it would appear if reflected by still body of water. Then, the appearance of the added water region is distorted over a series of image frames in such a way as to simulate how the reflected scene would look if the surface of the water were in motion. The water can have dynamic waves and the user can interact with the water in numbers of ways, including generating ripples on the water surface and creating rain. In addition, these effects can be achieved at full screen resolution with the use of the latest graphics hardware by employing a texture shifting technique.
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公开(公告)号:US20050195196A1
公开(公告)日:2005-09-08
申请号:US11113208
申请日:2005-04-22
申请人: Lin Liang , Yanyun Chen , Ying-Qing Xu , Baining Guo , Heung-Yeung Shum
发明人: Lin Liang , Yanyun Chen , Ying-Qing Xu , Baining Guo , Heung-Yeung Shum
CPC分类号: G06T13/60 , G06T13/80 , G06T15/04 , G06T2210/24 , H04N5/262
摘要: A system and process for adding a photorealistic rendering of a body of water to a virtual 3D scene or image and creating a video therefrom having interactive water effects. A region of water is added to an image by adding an area depicting the original scene as it would appear if reflected by still body of water. Then, the appearance of the added water region is distorted over a series of image frames in such a way as to simulate how the reflected scene would look if the surface of the water were in motion. The water can have dynamic waves and the user can interact with the water in numbers of ways, including generating ripples on the water surface and creating rain. In addition, these effects can be achieved at full screen resolution with the use of the latest graphics hardware by employing a texture shifting technique.
摘要翻译: 一种用于向虚拟3D场景或图像添加水体的真实感渲染的系统和过程,并且从其创建具有交互式水效果的视频。 通过添加描绘原始场景的区域,如水面反映的那样,将会显示水域。 然后,增加的水域的外观在一系列图像帧上变形,以模拟如果水的表面运动,反射场景将如何看起来。 水可以具有动态波,用户可以以多种方式与水相互作用,包括在水面上产生波纹并产生雨水。 此外,通过采用纹理移位技术,通过使用最新的图形硬件,可以在全屏幕分辨率下实现这些效果。
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