公开(公告)号：WO2016044074A1

公开(公告)日：2016-03-24

申请号：PCT/US2015/049560

申请日：2015-09-11

Applicant: EASTMAN KODAK COMPANY

Inventor： PAWLIK, Thomas, D. ,  BOSE, Judith, A. ,  COK, Ronald, Steven ,  BLISH, Nelson, A.

IPC: G07D7/12

CPC classification number: G06K7/10732 ,  G06K7/1095 ,  G06K19/06009 ,  G06K2007/10524 ,  G07D7/1205 ,  G07D7/121 ,  G07D7/128 ,  H04N5/2256

Abstract: A system for detecting UV-light-fluorescent indicia (14) with a camera (18) includes a camera flash (20) that emits visible light, a conversion device (24) mounted over the camera flash that converts the emitted visible light (17) to UV light (16), and a sensor that captures a visible-light image of the indicia after the indicia is exposed to the UV light.

Abstract translation: 用照相机（18）检测紫外光荧光标记（14）的系统包括发射可见光的照相机闪光灯（20），安装在照相机闪光灯上的转换装置（24），其转换发射的可见光（17 ）到UV光（16）的传感器，以及在标记暴露于UV光之后捕获标记的可见光图像的传感器。

公开(公告)号：WO2014120704A1

公开(公告)日：2014-08-07

申请号：PCT/US2014/013476

申请日：2014-01-29

Applicant: EASTMAN KODAK COMPANY

Inventor： PAWLIK, Thomas, D. ,  BOSE, Judith, A. ,  COK, Ronald, Steven ,  BLISH, Nelson, A.

IPC: G07D7/12 ,  G07D7/00

CPC classification number: H04N5/2254 ,  G06K7/10 ,  G07D7/005 ,  G07D7/12

Abstract: A system for authenticating an object includes a label (12) with invisible indicia (14) on the object which rotates a polarization of incident light; a digital camera (18) having a light source (20), an image sensor (22), a first polarizing filter (24) having a first orientation, and a second polarizing filter (26) having a second orientation orthogonal to the first orientation; illuminating the label with light from the light source through the first linear polarizer; forming an image with the image sensor using reflected light from the label wherein the reflected light passes through the second polarizer prior to reaching the sensor; wherein the second linear polarizer makes the invisible indicia visible; and authenticating the object.

Abstract translation: 用于认证对象的系统包括在物体上具有使入射光的偏振旋转的不可见标记（14）的标签（12）; 具有光源（20）的数字照相机（18），图像传感器（22），具有第一取向的第一偏振滤光器（24）和具有与第一取向正交的第二取向的第二偏光滤光器 ; 用来自光源的光通过第一线性偏振器照射标签; 使用来自标签的反射光与图像传感器形成图像，其中反射光在到达传感器之前穿过第二偏振器; 其中所述第二线性偏振器使所述不可见标记可见; 并验证该对象。