System for protection of goods against counterfeiting
    11.
    发明授权
    System for protection of goods against counterfeiting 失效
    保护商品防伪制度

    公开(公告)号:US6069955A

    公开(公告)日:2000-05-30

    申请号:US60026

    申请日:1998-04-14

    IPC分类号: G09C5/00 H04L9/32 H04L9/00

    摘要: A visible seal or label containing a serial number is placed in plain view on the product packaging. The visible label contains the serial number as well as a first public key encrypted version of the serial number. A second or hidden label inside of the package has thereon a second a second encrypted version of the serial number made using a second public key. The hidden label may be secured inside of the package out of sight or may be placed on the back of the visible label and therefore viewable through a transparent case when opened or visible when peeled off. The private keys are known only to the manufacturer. Using a corresponding public key provided by the manufacturer, the consumer, law enforcement agent, or customs inspector can verify that the encrypted version matches the serial number. An advantage to this method is that only the manufacturer can produce matching pairs. Moreover, using a point of sale machine equipped with the public key the sales clerk can authenticate the product in front of the consumer at point of purchase. Additionally, in the case of a CD or other digital medium, the hidden label may comprise a digital watermark of the encrypted serial number such that a consumer, law enforcement agency, or customs inspector can readily detect a counterfeit product.

    摘要翻译: 包含序列号的可见密封或标签放在产品包装上的平面图中。 可见标签包含序列号以及序列号的第一个公钥加密版本。 包装内部的第二个或隐藏的标签上具有使用第二公钥制作的序列号的第二个第二加密版本。 隐藏的标签可以固定在包装内部的视线之外,或者可以被放置在可见标签的背面上,并且因此当被剥离时打开或可见时通过透明外壳可以看到。 私钥只有制造商才知道。 使用制造商提供的相应公钥,消费者,执法人员或海关检查员可以验证加密版本是否符合序列号。 该方法的优点在于只有制造商可以生成匹配对。 此外,使用配有公钥的销售点销售员可以在购买点对消费者面前的产品进行认证。 此外,在CD或其他数字媒体的情况下,隐藏的标签可以包括加密序列号的数字水印,使得消费者,执法机构或海关检查员可以容易地检测到假冒产品。

    System for protection of goods against counterfeiting
    13.
    发明授权
    System for protection of goods against counterfeiting 失效
    保护商品防伪制度

    公开(公告)号:US06996543B1

    公开(公告)日:2006-02-07

    申请号:US09182279

    申请日:1998-10-29

    摘要: In order to verify the authenticity of manufactured goods, a smart tag is attached to the goods containing encrypted authentication information, such as a serial number, a description of the good's physical appearance or chemical decomposition, its color, or digital images of the good etc. The encryption procedure comprises public/private key encryption with zero-knowledge protocols. Zero knowledge protocols allow a smart tag to be authenticatable and yet be duplication resistant by allowing the verifying agent to convince him/herself that the smart tag is authentic without revealing its authentication information. The verification procedure can be done using a reader at a point of sale (POS) machine equipped with the appropriate public key and zero-knowledge protocols to decrypt the authentication information. A printed version of the serial number or other authentication information may be placed on the goods in human readable form to quickly verify the information electronically read from the smart tag. With the present invention, only the manufacturer can create such smart tags with the associated data thus making it virtually impossible to pass off a counterfeit good as authentic. In addition to authenticating counterfeit goods, the present invention can be used to detect authentic goods being sold in a parallel market.

    摘要翻译: 为了验证制成品的真实性,将智能标签附加到包含加密认证信息的商品,例如序列号,商品的物理外观或化学分解的描述,颜色或数字图像等。 加密过程包括具有零知识协议的公钥/私钥加密。 零知识协议允许智能标签是可认证的,并且通过允许验证代理说服他/她自己智能标签是真实的而不揭示其认证信息而被复制。 验证过程可以使用配备有适当的公钥和零知识协议的销售点(POS)机器上的读取器来解密认证信息。 序列号或其他认证信息的印刷版本可以以人类可读的形式放置在货物上,以快速验证从智能标签电子读取的信息。 利用本发明,只有制造商可以使用相关联的数据来创建这样的智能标签,从而使得实际上不可能真实地将假冒商品传递出去。 除了认证假货外,本发明还可用于检测在并行市场上销售的正品。

    System and method for acquiring three-dimensional data subject to
practical constraints by integrating CT slice data and CT scout images
    16.
    发明授权
    System and method for acquiring three-dimensional data subject to practical constraints by integrating CT slice data and CT scout images 失效
    通过集成CT切片数据和CT侦察图像获取实际约束的三维数据的系统和方法

    公开(公告)号:US6023495A

    公开(公告)日:2000-02-08

    申请号:US79515

    申请日:1998-05-15

    IPC分类号: A61B6/00 A61B6/03

    摘要: A computer system and method solve the problem of getting a useful three-dimensional representation of an object like the spine using a small amount of data. This is done by gathering and combining three-dimensional data in the form of (a) a set of 2D computer tomography (CT) slices of a patient's bones with (b) a set of 2D CT scout images, which are digital two-dimensional X-ray images that can be produced by a CT scanner. The main features of spinal deformation are captured by integrating these two sets of three-dimensional data, and constructing from them a three-dimensional geometric model of the spinal. Scouts are usually used to monitor CT scan acquisition. Here, they are also used as an essential source of data.

    摘要翻译: 计算机系统和方法解决了使用少量数据来获得诸如脊柱的对象的有用的三维表示的问题。 这是通过以(a)患者骨骼的一组2D计算机断层摄影(CT)切片的形式收集和组合三维数据来完成的,(b)一组2D CT侦察图像,其是数字二维 可以由CT扫描仪生产的X射线图像。 脊柱变形的主要特征是通过整合这两组三维数据,并从中构建脊柱三维几何模型。 侦察兵通常用于监测CT扫描采集。 在这里,它们也被用作数据的重要来源。

    System and method for three-dimensional geometric modeling by extracting
and merging two-dimensional contours from CT slice data and CT scout
data
    18.
    发明授权
    System and method for three-dimensional geometric modeling by extracting and merging two-dimensional contours from CT slice data and CT scout data 失效
    通过从CT切片数据和CT侦察数据提取和合并二维轮廓,进行三维几何建模的系统和方法

    公开(公告)号:US6028907A

    公开(公告)日:2000-02-22

    申请号:US78522

    申请日:1998-05-15

    IPC分类号: A61B6/00 A61B6/03

    摘要: A computer system and method solve the problem of getting a useful three-dimensional representation of an object like the spine using a small amount of data. This is done by gathering three-dimensional data in the form of a set of 2D computer tomography (CT) slices of a patient's bones and a coaxial set of 2D CT scout images, which are digital two-dimensional X-ray images that can be produced by a CT scanner; extracting from each of these three-dimensional data sets a corresponding stack of 2D contours; and constructing a 3D geometric model of the object. The main features of spinal deformation are captured by integrating these two sets of three-dimensional data, and constructing from them a three-dimensional geometric model of the spine. Scouts are usually used to monitor CT scan acquisition. Here, they are also used as an essential source of data.

    摘要翻译: 计算机系统和方法解决了使用少量数据来获得诸如脊柱的对象的有用的三维表示的问题。 这是通过以一组患者骨骼的2D计算机断层摄影(CT)切片和2D CT侦察图像的同轴组的形式收集三维数据来完成的,其是可以是数字二维X射线图像 由CT扫描仪产生; 从这些三维数据集中的每一个提取相应的2D轮廓的堆叠; 并构建对象的3D几何模型。 通过整合这两组三维数据来捕获脊柱变形的主要特征,并从中构建脊柱三维几何模型。 侦察兵通常用于监测CT扫描采集。 在这里,它们也被用作数据的重要来源。

    Bandless halftone design for multiple beam printers employing non-orthogonal halftones
    19.
    发明授权
    Bandless halftone design for multiple beam printers employing non-orthogonal halftones 失效
    使用非正交半色调的多光束打印机的无带半色调设计

    公开(公告)号:US07545537B2

    公开(公告)日:2009-06-09

    申请号:US11193960

    申请日:2005-07-29

    IPC分类号: G06K15/00 H04N1/405

    CPC分类号: H04N1/4055

    摘要: A multiple beam printer system having N laser beams receives print job information from a print host. A rendering application uses a threshold array to generate halftone image data from the print job. The threshold array is defined based on a spot function. The defined screen is non-orthogonal and includes Y pels in a direction that is perpendicular to a scanning direction of the laser beams where Y is an integer multiple of N. A distance between screen dots in pels is preferably equal to an integer multiple of N. The screen dot may be defined by a supercell encompassing two screen dots and having an odd number of pels in a direction that is parallel to the scanning direction. The spot function may include a snap feature that snaps a screen dot to the nearest printer grid pel. The spot function may include scaling to compensate for the distortion of the non-orthogonal screen dot.

    摘要翻译: 具有N个激光束的多光束打印机系统从打印主机接收打印作业信息。 渲染应用程序使用阈值阵列从打印作业生成半色调图像数据。 基于点函数定义阈值数组。 定义的屏幕是非正交的,并且在垂直于激光束的扫描方向的Y方向上包括Y个像素,其中Y是N的整数倍。像素中的屏幕点之间的距离优选等于N的整数倍 屏幕点可以由包含两个屏幕点的超细胞定义,并且在平行于扫描方向的方向上具有奇数个像素。 斑点功能可以包括将屏幕点捕捉到最近的打印机网格像素的快照特征。 点功能可以包括缩放以补偿非正交屏幕点的失真。

    Detecting and compensating for color misregistration produced by a color scanner
    20.
    发明授权
    Detecting and compensating for color misregistration produced by a color scanner 有权
    检测和补偿由彩色扫描仪产生的颜色重合失调

    公开(公告)号:US07400430B2

    公开(公告)日:2008-07-15

    申请号:US10672234

    申请日:2003-09-25

    IPC分类号: H04N1/58 G03F3/08

    CPC分类号: H04N1/58

    摘要: A method, computer program product and system for detecting and compensating for color misregistration. A black/white edge or a solid color edge on a target may be scanned. A black/white edge may refer to a black image, e.g., black text, on a white surrounding background having a rapid spatial transition from black to white. A solid color edge may refer to a solid color image, e.g., solid color text, on a white surrounding background having a rapid spatial transition from color to white. A curve of gray values versus spatial pixel positions for each color channel, e.g., red, green and blue color channels, may be generated. A misregistration error may then be calculated by calculating the offset between the color channel curves. The misregistration error may then be used to calibrate the scanner to compensate for the detected color misregistration.

    摘要翻译: 一种用于检测和补偿颜色错配的方法,计算机程序产品和系统。 可以扫描目标上的黑色/白色边缘或纯色边缘。 黑白边缘可以指白色周围背景上的黑色图像,例如黑色文本,其具有从黑色到白色的快速空间转变。 纯色边缘可以指在白色周围背景上具有从颜色到白色的快速空间转变的纯色图像,例如纯色文本。 可以生成灰度值与每个颜色通道(例如红色,绿色和蓝色通道)的空间像素位置的曲线。 然后可以通过计算颜色通道曲线之间的偏移来计算重合失误。 然后可能会使用重合失误来校准扫描仪以补偿检测到的颜色重合失调。