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    • 4. 发明公开
    • FINGERPRINTING AND MATCHING OF CONTENT OF A MULTI-MEDIA FILE
    • 指定和匹配多媒体文件的内容
    • EP3149652A1
    • 2017-04-05
    • EP14893538.0
    • 2014-05-27
    • Telefonaktiebolaget LM Ericsson (publ)
    • ARNGREN, Tommy
    • G06K9/00G06F17/30G06K9/62G06F21/00G06F21/10
    • G06F17/30784G06F17/30743G06F21/10G06K9/00744G06K9/6201G10L19/018
    • There is provided a method for fingerprinting and matching of content of a multi-media file. The method comprises extracting (S1) fingerprints from at least a portion of the multi-media file in the form of content features detected in at least two different modalities, each content feature detected in a respective modality, and building (S2) a multi-vector fingerprint pattern representing the multi-media file by representing the content features in at least one feature vector per modality. The method also comprises comparing (S3) the multi-vector fingerprint pattern to fingerprint patterns corresponding to known multi-media content, in a database based on a multi-modality matching analysis to identify whether the multi-vector fingerprint pattern has a level of similarity to any of the fingerprint patterns in the database that exceeds a threshold.
    • 提供了一种用于对多媒体文件的内容进行指纹识别和匹配的方法。 该方法包括以在至少两种不同模态中检测到的内容特征的形式从多媒体文件的至少一部分中提取(S1)指纹,每种内容特征在相应的模态中检测到,并且构建(S2) 通过在每个模态的至少一个特征向量中表示内容特征来表示多媒体文件的向量指纹图案。 该方法还包括在基于多模态匹配分析的数据库中比较(S3)多矢量指纹图案与对应于已知多媒体内容的指纹图案,以识别多矢量指纹图案是否具有相似水平 到数据库中超过阈值的任何指纹图案。