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    • 71. 发明申请
    • VECTOR TRANSFORMATION FOR INDEXING, SIMILARITY SEARCH AND CLASSIFICATION
    • 用于索引,类似搜索和分类的矢量变换
    • US20120121194A1
    • 2012-05-17
    • US13288706
    • 2011-11-03
    • Jay Yagnik
    • Jay Yagnik
    • G06K9/62G06K9/36
    • G06F17/3002G06K2009/4695
    • A feature vector is encoded into a sparse binary vector. The feature vector is retrieved, for example from storage or a feature vector generator. The feature vector represents a media object or other data object. One or more permutations are generated, the dimensionality of the generated permutations equivalent to the dimensionality of the feature vector. The permutations may be generated randomly or formulaically. The feature vector is permuted with the one or more permutations, creating one or more permuted feature vectors. The permuted feature vectors are truncated according to a selected window size. The indexes representing the maximum values of the permuted feature vectors are identified and encoded using one-hot encoding, producing one or more sparse binary vectors. The sparse binary vectors may be concatenated into a single sparse binary vector and stored. The sparse binary vector may be used in the similarity search, indexing or categorization of media objects.
    • 特征向量被编码成稀疏二进制向量。 例如从存储或特征向量生成器检索特征向量。 特征向量表示媒体对象或其他数据对象。 产生一个或多个排列,所产生的排列的维数等于特征向量的维数。 排列可以随机或公式地产生。 特征向量与一个或多个排列置换,创建一个或多个置换的特征向量。 根据所选择的窗口尺寸来截断重排的特征向量。 代表置换特征向量的最大值的索引使用单热编码进行识别和编码,产生一个或多个稀疏二进制向量。 稀疏二进制向量可以被级联成单个稀疏二进制向量并被存储。 稀疏二进制向量可以用于媒体对象的相似搜索,索引或分类。
    • 78. 发明申请
    • Method and System for Automated Annotation of Persons in Video Content
    • 视频内容人员自动注释方法与系统
    • US20100008547A1
    • 2010-01-14
    • US12172939
    • 2008-07-14
    • Jay YAGNIKMing Zhao
    • Jay YAGNIKMing Zhao
    • G06K9/00
    • G06K9/00711G06F17/30781G06K9/00295G06K9/6255
    • Methods and systems for automated annotation of persons in video content are disclosed. In one embodiment, a method of identifying faces in a video includes the stages of: generating face tracks from input video streams; selecting key face images for each face track; clustering the face tracks to generate face clusters; creating face models from the face clusters; and correlating face models with a face model database. In another embodiment, a system for identifying faces in a video includes a face model database having face entries with face models and corresponding names, and a video face identifier module. In yet another embodiment, the system for identifying faces in a video can also have a face model generator.
    • 公开了用于视频内容中的人的自动注释的方法和系统。 在一个实施例中,识别视频中的面部的方法包括以下阶段:从输入视频流生成面部曲面; 为每个脸部轨迹选择关键脸部图像; 聚集脸部轨迹以生成脸部群集; 从脸部群集中创建面部模型; 并将面部模型与面部模型数据库相关联。 在另一个实施例中,用于识别视频中的面部的系统包括具有面部表情和面部模型和对应名称的面部模型数据库,以及视频面部识别器模块。 在另一个实施例中,用于识别视频中的面部的系统还可以具有面部模型生成器。