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    • 1. 发明授权
    • Long-query retrieval
    • 长查询检索
    • US08326820B2
    • 2012-12-04
    • US12571302
    • 2009-09-30
    • Zhiwei LiLei ZhangRui CaiWei-Ying MaHeung-Yeung Shum
    • Zhiwei LiLei ZhangRui CaiWei-Ying MaHeung-Yeung Shum
    • G06F17/30
    • G06F17/3028G06F17/30448
    • Described herein is a technology that facilitates efficient large-scale similarity-based retrieval. In several embodiments documents, images, and/or other multimedia files are compactly represented and efficiently indexed to enable robust search using a long-query in a large-scale corpus. As described herein, these techniques include performing decomposition of a file, e.g., a document or document-like representation. The techniques use dimension reduction to obtain three parts, topic-related words (major semantics), document specific words (minor semantics), and background words, representing the major semantics in a feature vector and the minor semantics as keywords. Using the techniques described, file vectors are matched in a topic model and the results ranked based on the keywords.
    • 这里描述了一种有助于有效的大规模相似性检索的技术。 在几个实施例中,文档,图像和/或其他多媒体文件被紧凑地表示并且被有效地索引,以使得能够使用大规模语料库中的长查询进行鲁棒搜索。 如这里所述,这些技术包括执行文件的分解,例如文档或类似文档的表示。 这些技术使用维度缩减来获得三个部分,主题相关词(主要语义),文档特定词(次要语义)和背景词,表示特征向量中的主要语义和次要语义作为关键字。 使用所描述的技术,在主题模型中匹配文件向量,并根据关键字对结果进行排名。
    • 2. 发明申请
    • Long-Query Retrieval
    • 长查询检索
    • US20110078159A1
    • 2011-03-31
    • US12571302
    • 2009-09-30
    • Zhiwei LiLei ZhangRui CaiWei-Ying MaHeung-Yeung Shum
    • Zhiwei LiLei ZhangRui CaiWei-Ying MaHeung-Yeung Shum
    • G06F17/30
    • G06F17/3028G06F17/30448
    • Described herein is a technology that facilitates efficient large-scale similarity-based retrieval. In several embodiments documents, images, and/or other multimedia files are compactly represented and efficiently indexed to enable robust search using a long-query in a large-scale corpus. As described herein, these techniques include performing decomposition of a file, e.g., a document or document-like representation. The techniques use dimension reduction to obtain three parts, topic-related words (major semantics), document specific words (minor semantics), and background words, representing the major semantics in a feature vector and the minor semantics as keywords. Using the techniques described, file vectors are matched in a topic model and the results ranked based on the keywords.
    • 这里描述了一种有助于有效的大规模相似性检索的技术。 在几个实施例中,文档,图像和/或其他多媒体文件被紧凑地表示并且被有效地索引,以使得能够使用大规模语料库中的长查询进行鲁棒搜索。 如这里所述,这些技术包括执行文件的分解,例如文档或类似文档的表示。 这些技术使用维度缩减来获得三个部分,主题相关词(主要语义),文档特定词(次要语义)和背景词,表示特征向量中的主要语义和次要语义作为关键字。 使用所描述的技术,在主题模型中匹配文件向量,并根据关键字对结果进行排名。
    • 5. 发明授权
    • Scalable face image retrieval
    • 可扩展的面部图像检索
    • US08498455B2
    • 2013-07-30
    • US12792750
    • 2010-06-03
    • Qifa KeYi LiHeung-Yeung ShumJian SunZhong Wu
    • Qifa KeYi LiHeung-Yeung ShumJian SunZhong Wu
    • G06K9/00
    • G06K9/4676G06K9/00281
    • A system for identifying individuals in digital images and for providing matching digital images is provided. A set of images that include faces of known individuals is received. Faces are detected in the images and facial components are identified in each face. Visual words corresponding to the facial components are generated, stored, and associated with identifiers of the individuals. At a later time, a user may provide an image that includes the face of one of the known individuals. Visual words are determined from the face of the individual in the provided image and matched against the stored visual words. Images associated with matching visual words are ranked and presented to the user.
    • 提供了一种用于识别数字图像中的个体并提供匹配的数字图像的系统。 接收包括已知个人面孔的一组图像。 在图像中检测到面部,并且在每个面部中识别面部组件。 对应于面部组件的视觉词被生成,存储并与个人的标识符相关联。 在稍后的时间,用户可以提供包括已知个体之一的脸部的图像。 视觉词是从提供的图像中的个体的脸部确定的,并且与存储的视觉词匹配。 与匹配的视觉词相关联的图像被排序并呈现给用户。
    • 7. 发明授权
    • Real-time rendering of light-scattering media
    • 实时渲染光散射介质
    • US08190403B2
    • 2012-05-29
    • US11830794
    • 2007-07-30
    • Kun ZhouZhong RenStephen Ssu-te LinBaining GuoHeung-Yeung Shum
    • Kun ZhouZhong RenStephen Ssu-te LinBaining GuoHeung-Yeung Shum
    • G06F17/10
    • G06T15/55
    • A real-time algorithm for rendering of an inhomogeneous scattering media such as smoke under dynamic low-frequency environment lighting is described. An input media animation is represented as a sequence of density fields, each of which is decomposed into a weighted sum of a set of radial basis functions (RBFs) and an optional residual field. Source radiances from single and optionally multiple scattering are directly computed at only the RBF centers and then approximated at other points in the volume using an RBF-based interpolation. Unique approximation techniques are introduced in the computational algorithms to simplify and speed up the computation of source radiance contributed by single and multiple scattering. Using the computed source radiances, a ray marching technique using slice-based integration of radiance along each viewing ray may be performed to render the final image.
    • 描述了在动态低频环境照明下渲染非均匀散射介质(如烟雾)的实时算法。 输入媒体动画被表示为密度字段序列,每个密度字段被分解成一组径向基函数(RBF)和可选残余字段的加权和。 仅从RBF中心直接计算来自单个和任选多个散射的源辐射,然后使用基于RBF的插值在体积中的其他点处近似。 在计算算法中引入了独特的近似技术,以简化和加快由单次和多次散射贡献的源辐射的计算。 使用计算的源辐射,可以执行使用沿着每个观察射线的基于片段的辐射积分的射线行进技术来渲染最终图像。
    • 8. 发明申请
    • SCALABLE FACE IMAGE RETRIEVAL
    • 可扩展的脸部图像检索
    • US20110299743A1
    • 2011-12-08
    • US12792750
    • 2010-06-03
    • Qifa KeYi LiHeung-Yeung ShumJian SunZhong Wu
    • Qifa KeYi LiHeung-Yeung ShumJian SunZhong Wu
    • G06T7/00
    • G06K9/4676G06K9/00281
    • A system for identifying individuals in digital images and for providing matching digital images is provided. A set of images that include faces of known individuals is received. Faces are detected in the images and facial components are identified in each face. Visual words corresponding to the facial components are generated, stored, and associated with identifiers of the individuals. At a later time, a user may provide an image that includes the face of one of the known individuals. Visual words are determined from the face of the individual in the provided image and matched against the stored visual words. Images associated with matching visual words are ranked and presented to the user.
    • 提供了一种用于识别数字图像中的个体并提供匹配的数字图像的系统。 接收包括已知个人面孔的一组图像。 在图像中检测到面部,并且在每个面部中识别面部组件。 对应于面部组件的视觉词被生成,存储并与个人的标识符相关联。 在稍后的时间,用户可以提供包括已知个体之一的脸部的图像。 视觉词是从提供的图像中的个体的脸部确定的,并且与存储的视觉词匹配。 与匹配视觉词相关联的图像被排序并呈现给用户。
    • 9. 发明授权
    • Presentation facilitation
    • 简报介绍
    • US07640502B2
    • 2009-12-29
    • US10957037
    • 2004-10-01
    • Ying-Qing XuHeung-Yeung ShumYa-Qin ZhangBarn-Wan LiBo Liu
    • Ying-Qing XuHeung-Yeung ShumYa-Qin ZhangBarn-Wan LiBo Liu
    • G06F3/00G06F3/048
    • G06F3/1423G06F3/0481G06F3/04842G06F2203/04803G06Q10/10
    • Multiple schemes and techniques for facilitating presentations with an interactive application are described. For example, an interactive application provides a console view overlay for integrating multiple productivity applications into a graphical user interface (GUI) window. An interactive application can also share a selected display portion of the console view overlay with other interactive applications. As another example, presenters and other audience members can draw on the selected display portion being shared, and the drawn graphics are synchronously displayed by the other interactive applications. Interactive applications, as directed by their users, can join various member groups and specific presentations thereof. Moreover, a user may share content in accordance with membership grouping.
    • 描述了用于促进与交互应用的呈现的多种方案和技术。 例如,交互式应用程序提供了一个控制台视图覆盖,用于将多个生产力应用程序集成到图形用户界面(GUI)窗口中。 交互式应用程序还可以与其他交互式应用程序共享控制台视图覆盖的选定显示部分。 作为另一示例,演示者和其他观众成员可以在所选择的显示部分上进行共享,并且绘制的图形被其他交互式应用程序同步显示。 按照用户的指示,交互式应用程序可以加入各种成员组及其具体演示。 此外,用户可以根据会员分组来共享内容。