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    • 3. 发明公开
    • PROCÉDÉ DE LOCALISATION D'OBJETS PAR RÉSOLUTION DANS L'ESPACE TRIDIMENSIONNEL DE LA SCÈNE
    • 方法用于查找对象借决议三维空间A场景
    • EP2769360A1
    • 2014-08-27
    • EP12775001.6
    • 2012-10-11
    • Commissariat à l'Énergie Atomique et aux Énergies Alternatives
    • DHOME, YoannLUVISON, BertrandPHAM, Quoc-cuong
    • G06T7/00
    • G06T7/0046G06T7/194G06T7/75G06T7/77G06T2207/10021G06T2207/30232
    • The invention relates to the field of video surveillance with calibrated cameras. It concerns a method for locating objects of interest in images. The method according to the invention is characterised in that it uses an initial presence map ρ
      1
      cp modelling positions ί in the scene and comprising, for each position i, a value ρ
      1
      cp (i) representative of the probability that an object of interest is located at the position i in question, each value ρ1cp(i) being obtained from a location criterion defined in an image space of the image acquisition system, and predetermined atoms A
      i for each position i of the presence map ρ1cp, atom A
      i of a position i comprising, for each position, a value A
      i (j) representative of the overlap between the projection m'(i), in the image space, of a three-dimensional model M'(i) placed in position i and the projection m'(j) in the image space of a three-dimensional model M'(j) placed in position, each three-dimensional object being representative of an object of interest.
    • 在通过校准的摄像机和在图像中的感兴趣定位对象的视频监视的领域中,一种方法使用,一方面,在初始存在地图PCP1建模位置i中的场景,并包括一个用于每个位置i,值PCP1(I) 代表的概率的那样位于位置i考虑,每个值PCP1(ⅰ)中获得在所述图像采集系统的图像空间,在另一方面中定义的位置准则为对象,原子艾预定对于i的每一个位置 存在地图PCP1,“在的三维模型M的图像空间(I)”一个位置i包括一个用于每个位置j,艾(j)的代表凸起m之间的重叠值的原子艾(ⅰ) 在位置i和凸起m“(j)在的三维模型M的图像空间”(j)的位置j置于放置,每个三维模型作为代表的一个对象。