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    • 4. 发明申请
    • Method and system for screening luggage items, cargo containers or persons
    • 行李物品,货物集装箱或人员的筛选方法和系统
    • US20090174554A1
    • 2009-07-09
    • US11920042
    • 2005-05-11
    • Eric BergeronAlain Bergeron
    • Eric BergeronAlain Bergeron
    • G08B13/14
    • G01V5/0016G01N23/04G06K9/746G06K2209/09G06T7/0004G06T7/70
    • A system for screening luggage items, which includes an image generation device suitable for generating an image signal associated with a luggage item where the image signal conveys information related to the contents of the luggage item. The system also includes an apparatus having an input for receiving the image signal and a processing unit. The processing unit processes the image signal in combination with a plurality of target images associated with target objects to detect a presence of at least one target object in the luggage item. The processing unit generates a detection signal in response to detection of the presence of at least one target object in the luggage item. An output module conveys information derived at least in part on the basis of the detection signal to a user of the system. In alternative embodiments, the system may also be used to screen cargo containers and persons.
    • 一种用于屏蔽行李物品的系统,其包括适于产生与行李物品相关联的图像信号的图像产生装置,其中图像信号传达与行李物品的内容相关的信息。 该系统还包括具有用于接收图像信号的输入和处理单元的装置。 处理单元与与目标对象相关联的多个目标图像组合处理图像信号,以检测行李项目中至少一个目标对象的存在。 处理单元响应于检测到行李物品中的至少一个目标对象的存在而产生检测信号。 输出模块将基于检测信号的至少部分导出的信息传送给系统的用户。 在替代实施例中,系统也可以用于屏蔽货物集装箱和人员。
    • 6. 发明申请
    • Self-supported optical correlator
    • 自支持光学相关器
    • US20070292093A1
    • 2007-12-20
    • US11455504
    • 2006-06-19
    • Alain BergeronNichola DesnoyersPascal BourquiMichel Doucet
    • Alain BergeronNichola DesnoyersPascal BourquiMichel Doucet
    • G02B6/00
    • G06E3/001
    • A self-supported optical correlator has a first holder having two opposite ends, one of the opposite ends being provided with anchor points, the other end being provided with a light source. The correlator also has a second holder having two opposite ends, one of which is provided with anchor points, the other being provided with a light receiving element, and a plurality of intermediary holders, each having two opposite ends provided with anchor points, at least one of the intermediary holders being provided with a spatial light modulator for projecting an image and another of the intermediary holders being provided with another spatial light modulator for projecting a filter. Each of the intermediary holders is provided with optical components secured within the holders. The said anchor points are adapted to secure the first, second and intermediary holders together linearly end to end; so that when the intermediary holders are assembled end to end, and the first holder is assembled at one extremity and the other holder is assembled at another extremity, the resulting assembly forms said optical correlator. The optical components are toleranced, and the anchor point serve to assemble a structure which does not require additional adjustments.
    • 自支撑光学相关器具有第一保持器,该第一保持器具有两个相对的端部,相对端中的一个设有固定点,另一端设置有光源。 相关器还具有第二保持器,其具有两个相对端,其中一个具有锚定点,另一个设置有光接收元件,以及多个中间保持器,每个具有设置有锚点的两个相对端,至少 一个中间保持器设置有用于投影图像的空间光调制器,另一个中间保持器设置有用于投影过滤器的另一空间光调制器。 每个中间保持器设置有固定在保持器内的光学部件。 所述锚定点适于将第一,第二和中间保持器线性地端到端固定; 使得当中间保持器从一端组装并且第一保持器组装在一个末端并且另一个保持器组装在另一个末端时,所得到的组件形成所述光学相关器。 光学部件是公差的,锚点用于组装不需要额外调整的结构。
    • 7. 发明授权
    • Image processing apparatus and method with locking feature
    • 具有锁定功能的图像处理装置和方法
    • US06570708B1
    • 2003-05-27
    • US09664355
    • 2000-09-18
    • Alain BergeronMichel DoucetDonald Prévost
    • Alain BergeronMichel DoucetDonald Prévost
    • G02B2746
    • G06K9/741G02B27/46G02B27/52
    • An optical coherent processor or correlator for processing an input image produced by an imaging device illuminated by a coherent light source utilizes an optical key for preventing unauthorized use of the processor. The principle underlying processing apparatus and method according to the invention uses an optical lock in combination with an encoded software key superimposed on a filter image. The optical lock, which is preferably in hardware form, consists of a first optical mask implementing a locking mask function that is preferably complex (phase and/or amplitude), which first optical mask is included in the optical path of the processor. The mask is fixed during assembly of the processor or correlator and a unique pattern is encoded thereon. The software key consists of a pattern defined by a key mask function that is displayed preferably using a spatial light modulator as part of a second optical mask included on the processor optical path. The key mask function is designed to compensate for the wave-front distortion generated by the locking mask function of the first optical mask. Therefore, an optical processor or correlator provided with its unique hardware lock cannot generates useful correlation, unless a corresponding unique software key is used.
    • 用于处理由相干光源照明的成像装置产生的输入图像的光学相干处理器或相关器利用光学键来防止未经授权的处理器的使用。 根据本发明的底层处理装置和方法的原理使用光锁与叠加在滤波器图像上的编码软件密钥相结合。 优选地以硬件形式的光学锁定由实现锁定掩模功能的第一光学掩模组成,其优选是复杂的(相位和/或幅度),该第一光学掩模被包括在处理器的光路中。 在处理器或相关器的组装期间,掩模被固定,并且在其上编码唯一的图案。 软件密钥包括由密钥掩码功能定义的图案,其优选地使用空间光调制器作为包括在处理器光路上的第二光掩模的一部分显示。 键屏蔽功能被设计为补偿由第一光掩模的锁屏功能产生的波前失真。 因此,提供其唯一硬件锁定的光学处理器或相关器不能产生有用的相关性,除非使用相应的唯一软件密钥。