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    • 63. 发明申请
    • Information embedding method
    • 信息嵌入法
    • US20050257099A1
    • 2005-11-17
    • US10514619
    • 2003-05-19
    • Stephane BounkongDavid LoweDavid Saad
    • Stephane BounkongDavid LoweDavid Saad
    • G06T1/00H04N1/32G06F11/00
    • G06T1/005G06T2201/0052H04N1/32154H04N1/32187
    • A method of embedding a message vector (m) in a data set. The method is domain independent and comprises the steps of (I) performing a transformation (W) on a first data set (x) to produce a second data set (S), the second data set (S) consisting of a plurality of statistically mutually independent components (independent sources), (ii) selecting from the second data set (S) a subset of data components (V) which constitutes an embedding space (feature space) in which the message vector (V) is to be embedded, (iii) modifying the data subset (V) in a predetermined manner according to the message vector (m) to be embedded, whereby to embed the message vector (m) in the second data set (S), and (iv) performing a reverse transformation (A) on the second data set having the message vector embedded therein (Ŝ) to reproduce the first data set now having the message embedded therein (x, watermarked text).
    • 一种在数据集中嵌入消息向量(m)的方法。 该方法是与域无关的,包括以下步骤:(I)对第一数据集(x)执行变换(W)以产生第二数据集(S),第二数据集(S)由多个统计 相互独立的组件(独立源),(ii)从第二数据集(S)中选择组成要嵌入消息向量(V)的嵌入空间(特征空间)的数据组件(V)的子集, (iii)根据要嵌入的消息向量(m)以预定方式修改数据子集(V),从而将消息向量(m)嵌入在第二数据集(S)中,以及(iv)执行 在其中嵌入有消息向量(S)的第二数据集上的逆变换(A),以再现现在具有嵌入消息的第一数据集(x,水印文本)。
    • 67. 发明授权
    • Stent crimping system and method
    • 支架压接系统及方法
    • US08544160B2
    • 2013-10-01
    • US13543591
    • 2012-07-06
    • Arkady KokishDavid LoweDan ShumerScott Baron
    • Arkady KokishDavid LoweDan ShumerScott Baron
    • B23P11/02
    • B25B27/10A61F2/95A61F2002/9522
    • A stent crimping assembly is provided for crimping a stent from a first diameter to a reduced second diameter. The crimping assembly includes a plurality of movable wedges disposed about a rotational axis to form a wedge assembly. Each wedge includes a respective first side and a second side converging to form a tip portion. The tip portions are arranged to collectively form an iris about the rotational axis thereof. The iris defines a crimp aperture about which the movable wedges are disposed. A control unit is electronically programmed to control the mechanical components. A method of calibrating the control unit includes inserting a quill of known diameter into the iris and reducing the diameter of the iris onto the quill.
    • 提供一种用于将支架从第一直径压缩到减小的第二直径的支架压接组件。 压接组件包括围绕旋转轴线设置的多个可动楔形件以形成楔形组件。 每个楔子包括相应的第一侧​​和第二侧,该第二侧会聚以形成尖端部分。 尖端部分被布置为围绕其旋转轴线共同形成虹膜。 虹膜限定了压接孔,可动楔设置在该开口处。 电子编程的控制单元用于控制机械部件。 校准控制单元的方法包括将已知直径的芯线插入虹膜并将虹膜的直径减小到套筒上。