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    • 5. 发明申请
    • METHOD FOR COMPARING GROUPS OF IMAGES
    • 比较图像组的方法
    • WO2008049851A2
    • 2008-05-02
    • PCT/EP2007/061385
    • 2007-10-24
    • THOMSON LICENSINGLEFEBVRE, FrédéricMASSOUDI, Ayoub
    • LEFEBVRE, FrédéricMASSOUDI, Ayoub
    • G06K9/00751G06F17/30799G06K9/6857
    • The invention relates to a method for comparing a group of images, called candidate group, with reference groups of images, said reference groups being stored in a database with their representing key frames to which are associated local features and global features. The method comprises the following steps: - detecting an image within said candidate group, called key frame; - computing a global feature of said key frame; - comparing said computed global feature with the global feature of each key frame of the reference group; - if the differences between said computed global feature and each stored global feature are above a predefined threshold then: computing a local feature of said key frame; comparing said computed local feature with the local feature of each key frame of the reference group.
    • 本发明涉及一种用于将称为候选组的图像组与参考图像组进行比较的方法,所述参考组被存储在数据库中,并且它们表示与关联局部特征的关键帧 和全球特征。 该方法包括以下步骤: - 检测所述候选组内的图像,称为关键帧; - 计算所述关键帧的全局特征; - 将所述计算的全局特征与参考组的每个关键帧的全局特征进行比较; - 如果所述计算的全局特征与每个存储的全局特征之间的差异高于预定阈值,则:计算所述关键帧的局部特征; 比较所述计算出的局部特征与参考组的每个关键帧的局部特征。