专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明授权

US07589720B2 Mesh editing with gradient field manipulation and user interactive tools for object merging 失效
标题翻译：使用渐变字段操作进行网格编辑和用于对象合并的用户交互式工具
公开(公告)号：US07589720B2
公开(公告)日：2009-09-15
申请号：US10911394
申请日：2004-08-04
申请人： Kun Zhou , Baining Guo , Heung-Yeung Shum
发明人： Kun Zhou , Baining Guo , Heung-Yeung Shum
IPC分类号： G06T17/20 , G06T15/00 , G06T17/00 , G09G5/00
CPC分类号： G06T17/205 , G06T17/20
摘要： User interactive methods of determining vertex correspondence between boundaries or curves on objects to be merged is provided. One method relates to projecting a boundary of one object onto a second object to determine a merging curve, along which the two objects will be joined. Another method includes projecting a first object onto a plane to form a planar curve. The planar curve is then mapped to a second object to form a merging curve. Still another method includes interactively selecting corresponding key vertices on different objects to form a merging curve. A system presented that can use one or more of the methods of determining correspondence between boundaries. A merged object can be generated from the merging curve using a mesh solver, such as a Poisson or non-Poisson mesh solver.
摘要翻译：提供了确定要合并的对象上的边界或曲线之间的顶点对应关系的用户交互方法。一种方法涉及将一个对象的边界投影到第二对象上以确定两个对象将被连接在一起的合并曲线。另一种方法包括将第一物体投射到平面上以形成平面曲线。然后将平面曲线映射到第二个对象以形成合并曲线。另一种方法包括在不同对象上交互地选择对应的关键顶点以形成合并曲线。提出的系统可以使用确定边界之间的对应关系的一种或多种方法。可以使用网格求解器（例如泊松或非泊松网格求解器）从合并曲线生成合并对象。

32. 发明申请

US20060279570A1 Pre-computed shadow fields 失效
公开(公告)号：US20060279570A1
公开(公告)日：2006-12-14
申请号：US11147921
申请日：2005-06-08
申请人： Kun Zhou , Yaohua Hu , Stephen Lin , Baining Guo , Heung-Yeung Shum
发明人： Kun Zhou , Yaohua Hu , Stephen Lin , Baining Guo , Heung-Yeung Shum
IPC分类号： G06T15/50
CPC分类号： G06T15/60
摘要： Pre-computed shadow fields are described. In one aspect, shadow fields for multiple entities are pre-computed. The shadow fields are pre-computed independent of scene configuration. The multiple entities include at least one occluding object and at least one light source. A pre-computed shadow field for a light source indicates radiance from the light source. A pre-computed shadow field for an occluding object indicates occlusion of radiance from the at least one light source.

33. 发明申请

US20060028466A1 Mesh editing with gradient field manipulation and user interactive tools for object merging 失效
公开(公告)号：US20060028466A1
公开(公告)日：2006-02-09
申请号：US10911394
申请日：2004-08-04
申请人： Kun Zhou , Baining Guo , Heung-Yeung Shum
发明人： Kun Zhou , Baining Guo , Heung-Yeung Shum
IPC分类号： G06T17/00 , G09G5/00
CPC分类号： G06T17/205 , G06T17/20
摘要： User interactive methods of determining vertex correspondence between boundaries or curves on objects to be merged is provided. One method relates to projecting a boundary of one object onto a second object to determine a merging curve, along which the two objects will be joined. Another method includes projecting a first object onto a plane to form a planar curve. The planar curve is then mapped to a second object to form a merging curve. Still another method includes interactively selecting corresponding key vertices on different objects to form a merging curve. A system presented that can use one or more of the methods of determining correspondence between boundaries. A merged object can be generated from the merging curve using a mesh solver, such as a Poisson or non-Poisson mesh solver.

34. 发明申请

US20050093875A1 Synthesis of progressively-variant textures and application to arbitrary surfaces 有权
标题翻译：逐渐变化的纹理和应用到任意表面的合成
公开(公告)号：US20050093875A1
公开(公告)日：2005-05-05
申请号：US10698792
申请日：2003-10-31
申请人： Jingdan Zhang , Kun Zhou , Baining Guo , Heung-Yeung Shum
发明人： Jingdan Zhang , Kun Zhou , Baining Guo , Heung-Yeung Shum
IPC分类号： G06T11/00 , G09G5/00
CPC分类号： G06T11/001
摘要： Methods for synthesizing progressively-variant textures based on texton masks are provided. A first method creates a synthesized texture image guided by a sample texture, first texton mask corresponding to the sample texture and a second texton mask modified based on the first texton mask. A second method also creates a synthesized texture image guided by a first and second sample textures and corresponding first and second texton masks. A method for rendering a synthesized texture on an image of a three-dimensional object includes creating a synthesized texture on the object guided by a two-dimensional progressively-variant sample texture, a texton mask for the sample texture and a mesh of a plurality of vertices representing the object.
摘要翻译：提供了基于纹理掩码合成渐变变体纹理的方法。第一种方法创建由样本纹理引导的合成纹理图像，对应于样本纹理的第一纹理掩模和基于第一纹理掩模修改的第二纹理蒙版。第二种方法还创建由第一和第二样本纹理和对应的第一和第二纹理蒙版引导的合成纹理图像。用于在三维物体的图像上呈现合成纹理的方法包括在由二维渐变样本纹理引导的对象上创建合成纹理，用于样本纹理的纹理掩模和多个表示对象的顶点。

35. 发明申请

US20050104883A1 Precomputed radiance transfer for rendering objects 失效
标题翻译：用于渲染对象的预计算辐射传输
公开(公告)号：US20050104883A1
公开(公告)日：2005-05-19
申请号：US10951272
申请日：2004-09-27
申请人： John Snyder , Peter-Pike Sloan , Xinguo Liu , Heung-Yeung Shum
发明人： John Snyder , Peter-Pike Sloan , Xinguo Liu , Heung-Yeung Shum
IPC分类号： G06T15/50 , G06T15/60
CPC分类号： G06T15/50
摘要： The described systems and methods are directed at interactively rendering graphics using precomputed radiance transfer (PRT). A reflectance matrix that represents the reflectance of a particular object to be rendered is determined. Source lighting associated with the object is represented using basis functions. The reflectance matrix is factored into view and light components. A raw transfer matrix is determined based, in part, from the factored reflectance matrix and the source lighting. The raw transfer matrix is partitioned to obtain transfer matrices, which are used to render the object. The described systems and methods are capable of rendering glossy objects with well-defined shadows.
摘要翻译：所描述的系统和方法针对使用预计算辐射传输（PRT）的交互式渲染图形。确定表示要呈现的特定对象的反射率的反射率矩阵。使用基础函数表示与对象相关联的源照明。反射率矩阵被考虑到视图和光分量中。原始转移矩阵部分地基于因子反射矩阵和源照明来确定。原始传输矩阵被分割以获得用于渲染对象的传输矩阵。所描述的系统和方法能够渲染具有明确定义阴影的光泽对象。

36. 发明授权

US07343039B2 System and process for generating representations of objects using a directional histogram model and matrix descriptor 有权
标题翻译：使用方向直方图模型和矩阵描述符生成对象表示的系统和过程
公开(公告)号：US07343039B2
公开(公告)日：2008-03-11
申请号：US10660819
申请日：2003-09-09
申请人： Xinguo Liu , Sing Bing Kang , Heung-Yeung Shum
发明人： Xinguo Liu , Sing Bing Kang , Heung-Yeung Shum
IPC分类号： G06K9/00
CPC分类号： G06K9/50 , G06K9/00201 , G06K9/4647
摘要： A system and process for determining the similarity in the shape of objects is presented that generates a novel shape representation called a directional histogram model. This shape representative captures the shape variations of an object with viewing direction, using thickness histograms. The resulting directional histogram model is substantially invariant to scaling and translation. A matrix descriptor can also be derived by applying the spherical harmonic transform to the directional histogram model. The resulting matrix descriptor is substantially invariant to not only scaling and translation, but rotation as well. The matrix descriptor is also robust with respect to local modification or noise, and able to readily distinguish objects with different global shapes. The typical applications of the directional histogram model and matrix descriptor include recognizing 3D solid shapes, measuring the similarity between different objects and shape similarity based object retrieval.
摘要翻译：提出了一种用于确定物体形状相似度的系统和过程，其产生称为方向直方图模型的新颖形状表示。该形状代表使用厚度直方图捕获具有观察方向的对象的形状变化。所得到的方向直方图模型对缩放和平移基本上是不变的。还可以通过将球谐函数变换应用于方向直方图模型来导出矩阵描述符。所得到的矩阵描述符不仅不仅缩放和平移，而且旋转也是不变的。矩阵描述符在本地修改或噪声方面也是鲁棒的，并且能够容易地区分具有不同全局形状的对象。方向直方图模型和矩阵描述符的典型应用包括识别3D实体形状，测量不同对象之间的相似度和基于形状相似度的对象检索。

37. 发明授权

US07557807B2 Visual simulation of weathering by y-ton tracing 失效
标题翻译：通过y-ton跟踪进行风化的视觉模拟
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。

38. 发明授权

US07463769B2 Radiometric calibration from a single image 有权
标题翻译：单个图像的辐射校准
公开(公告)号：US07463769B2
公开(公告)日：2008-12-09
申请号：US11156988
申请日：2005-06-20
申请人： Stephen S. Lin , Baining Guo , Heung-Yeung Shum , Jinwei Gu
发明人： Stephen S. Lin , Baining Guo , Heung-Yeung Shum , Jinwei Gu
IPC分类号： G06K9/00
CPC分类号： H04N1/603 , G06T7/80 , G06T7/90
摘要： Radiometric calibration of an image capture device (e.g., a digital camera) using a single image is described. The single image may be a color image or a grayscale image. The calibration identifies and analyzes edge pixels of the image that correspond to an edge between two colors or grayscale levels of a scene. Intensity distributions of intensities measured from the single image are then analyzed. An inverse response function for the image capture device is determined based on the intensity distributions. For a color image, the radiometric calibration involves calculating an inverse response function that maps measured blended colors of edge pixels and the associated measured component colors into linear distributions. For a grayscale image, the radiometric calibration involves deriving an inverse response function that maps non-uniform histograms of measured intensities into uniform distributions of calibrated intensities.
摘要翻译：描述使用单个图像的图像捕获装置（例如，数码相机）的放射线校准。单个图像可以是彩色图像或灰度图像。校准识别和分析与场景的两种颜色或灰度级之间的边缘对应的图像的边缘像素。然后分析从单个图像测量的强度的强度分布。基于强度分布确定图像捕获装置的反应响应函数。对于彩色图像，辐射校准包括计算反向响应函数，其将边缘像素的测量混合颜色和相关联的测量分量颜色映射为线性分布。对于灰度图像，辐射校准涉及导出将测得的强度的不均匀直方图映射到校准强度的均匀分布的逆响应函数。

39. 发明授权

US07433490B2 System and method for real time lip synchronization 有权
标题翻译：用于实时唇形同步的系统和方法
公开(公告)号：US07433490B2
公开(公告)日：2008-10-07
申请号：US11435122
申请日：2006-05-16
申请人： Ying Huang , Stephen Ssu-te Lin , Baining Guo , Heung-Yeung Shum
发明人： Ying Huang , Stephen Ssu-te Lin , Baining Guo , Heung-Yeung Shum
IPC分类号： G06K9/00 , G10L15/00
CPC分类号： G06K9/00335 , G10L2021/105
摘要： A novel method for synchronizing the lips of a sketched face to an input voice. The lip synchronization system and method approach is to use training video as much as possible when the input voice is similar to the training voice sequences. Initially, face sequences are clustered from video segments, then by making use of sub-sequence Hidden Markov Models, a correlation between speech signals and face shape sequences is built. From this re-use of video, the discontinuity between two consecutive output faces is decreased and accurate and realistic synthesized animations are obtained. The lip synchronization system and method can synthesize faces from input audio in real-time without noticeable delay. Since acoustic feature data calculated from audio is directly used to drive the system without considering its phonemic representation, the method can adapt to any kind of voice, language or sound.
摘要翻译：一种用于将草绘脸部的嘴唇同步到输入声音的新颖方法。唇部同步系统和方法方法是当输入的声音类似于训练声音序列时尽可能多地使用训练视频。最初，面部序列从视频片段聚类，然后通过利用子序列隐马尔可夫模型，构建了语音信号和面部形状序列之间的相关性。从这种视频的再次使用，两个连续的输出面之间的不连续性被降低，并且获得准确而逼真的合成动画。唇同步系统和方法可以实时地从输入音频合成面部，而没有明显的延迟。由于从音频计算的声学特征数据直接用于驱动系统而不考虑其音位表示，该方法可以适应任何种类的语音，语言或声音。

40. 发明申请

US20070247472A1 CAPTURING AND RENDERING GEOMETRIC DETAILS 有权
标题翻译：捕获和渲染几何细节
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
CPC分类号： G01B11/24 , G01S17/89 , G06T15/04
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。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式