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    • 51. 发明授权
    • Large-scale matching of audio and video
    • 音频和视频的大规模匹配
    • US08625033B1
    • 2014-01-07
    • US12697880
    • 2010-02-01
    • David MarwoodDaniel KeysersRichard TuckerGheorghe PostelnicuMichele Covell
    • David MarwoodDaniel KeysersRichard TuckerGheorghe PostelnicuMichele Covell
    • H04N5/14
    • Large-scale matching of videos is performed by matching a set of probe videos against a set of reference videos to determine if they are visually and/or aurally similar. The visual and audio fingerprints of all probe videos and reference videos are divided into subfingerprints, which are divided into LSH bands. The LSH bands of the probe videos are sorted in one list, and the LSH bands of the reference videos are sorted in another list. Then, the two sorted lists are linearly scanned for matching LSH bands. The matching LSH bands are sorted by probe video ID, and each probe video ID is searched to find matches between probe videos and reference videos. Further, an incremental matching process identifies matches as groups of new probe videos and/or new reference videos are added, without unnecessary repetition of matching old probe videos against old reference videos.
    • 通过将一组探测视频与一组参考视频相匹配来进行视频的大规模匹配,以确定它们是否在视觉上和/或听觉上相似。 所有探测视频和参考视频的视觉和音频指纹分为子指纹,分为LSH频段。 探测视频的LSH频带在一个列表中排序,参考视频的LSH频带在另一个列表中排序。 然后,对两个排序列表进行线性扫描以获得匹配的LSH频带。 匹配的LSH频带按照探测视频ID进行排序,并且搜索每个探测视频ID以找到探测视频和参考视频之间的匹配。 此外,增量匹配过程将匹配作为新的探测视频组和/或新参考视频添加,而不必对旧的参考视频进行不必要的重复匹配的旧探测视频。
    • 53. 发明授权
    • Variable rate video playback with synchronized audio
    • 具有同步音频的可变速率视频播放
    • US08238722B2
    • 2012-08-07
    • US12264414
    • 2008-11-04
    • Neal A. BhadkamkarSubutai AhmadMichele Covell
    • Neal A. BhadkamkarSubutai AhmadMichele Covell
    • G11B27/00
    • G11B27/10G11B27/34G11B33/10H04N5/04H04N5/4401H04N5/602H04N5/783H04N21/4307H04N21/4341H04N21/439H04N21/47217
    • The invention enables the apparent display rate of an audiovisual display to be varied. The invention can modify an original set of audio data in accordance with a target display rate, then modify a related original set of video data to conform to the modifications made to the audio data set, such that the modified audio and video data sets are synchronized. When the modified audio and video data sets so produced are used to generate an audiovisual display, the audiovisual display has an apparent display rate that approximates the target display rate. The target display rate can be faster or slower than a normal display rate at which an audiovisual display system generates an audiovisual display from the original sets of audio and video data. The target display rate can be established solely by a user instruction, by analysis of the audiovisual data, or by modification of a user-specified nominal target display rate based upon analysis of the audiovisual data. Preferably, the method for modifying the original audio data set is one that produces a modified audio data set that can be used to generate an audio display having little or no distortion.
    • 本发明能够改变视听显示器的显示速度。 本发明可以根据目标显示速率修改原始的一组音频数据,然后修改相关的原始视频数据集合以符合对音频数据集的修改,使得修改的音频和视频数据组被同步 。 当这样产生的经过修改的音频和视频数据组被用于产生视听显示时,视听显示具有近似于目标显示速率的明显的显示速率。 目标显示速率可以比视听显示系统从原始音频和视频数据组生成视听显示的正常显示速率更快或更慢。 目标显示速率可以仅通过用户指令,视听数据的分析,或者通过基于视听数据的分析修改用户指定的标称目标显示速率来建立。 优选地,用于修改原始音频数据集的方法是产生可用于生成具有很少或没有失真的音频显示的修改的音频数据集的方法。
    • 59. 发明授权
    • Conditioning multi-class input data for a computer-implemented data classification system
    • 调整计算机实现的数据分类系统的多类输入数据
    • US08352489B1
    • 2013-01-08
    • US12338716
    • 2008-12-18
    • Michele Covell
    • Michele Covell
    • G06F7/00G06F17/30
    • G06F17/30858
    • Conditioned data is generated from multi-dimensional data populations. The multi-dimensional data populations include time-based media data, such as video data, or data associated with time-based media. The conditioned data is scaled such that dimensions of greater distinguishability are emphasized. To generate the conditioned data, a data conditioner receives populations of multi-dimensional data that have the same dimensions in the data. Data of a dimension is scaled based on a distinguishability factor calculated for the dimension. The distinguishability factor is calculated based on distributions in the dimension for the data populations. The data conditioning approach is scalable to any number of data populations and any number of data dimensions.
    • 条件数据是从多维数据群体生成的。 多维数据群体包括基于时间的媒体数据,例如视频数据或与基于时间的媒体相关联的数据。 条件数据被缩放,使得强调更大的可区分性的尺寸。 为了产生条件数据,数据调节器接收在数据中具有相同尺寸的多维数据群。 基于为维度计算出的可区分性因子来缩放维度的数据。 可区分因素是根据数据群体的维度分布计算的。 数据调节方法可扩展到任何数量的数据种群和任何数量的数据维度。
    • 60. 发明授权
    • Ordering image search results
    • 订购图像搜索结果
    • US08209330B1
    • 2012-06-26
    • US12475006
    • 2009-05-29
    • Michele CovellYushi JingJingbin WangCharles RosenbergSarah Moussa
    • Michele CovellYushi JingJingbin WangCharles RosenbergSarah Moussa
    • G06F7/00
    • G06F17/30247G06F17/30265G06F17/30864
    • Methods, systems, and apparatus, including computer program products, for ranking images are disclosed. An image search subsystem generates an adjustment factor representative of a quality measure of an image relative to a search query. The quality represents a relevance of the image to the query. The adjustment factor can be computed based on relevance data for the image to the query and image similarity data representing a relative similarity between the image and other images relevant to the query. The relevance data can be based on user actions in response to the image being included in search results for the query. The adjustment factor can be scaled based on whether the relevance data and the image similarity data both indicate that the image is relevant to the search query. A relevance score is computed based on the adjustment factor (e.g., a product of the adjustment factor and relevance score).
    • 公开了用于对图像排序的方法,系统和装置,包括计算机程序产品。 图像搜索子系统生成表示相对于搜索查询的图像的质量度量的调整因子。 质量表示图像与查询的相关性。 调整因子可以基于图像与查询的相关性数据计算,图像相似度数据表示图像和与查询相关的其他图像之间的相对相似度。 相关数据可以基于响应于用于查询的搜索结果中包括的图像的用户动作。 可以基于相关性数据和图像相似性数据是否都指示图像与搜索查询相关来来调整调整因子。 基于调整因子(例如,调整因子和相关性得分的乘积)来计算相关性得分。