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1. WO2018001941 - SYSTEMS, METHODS, AND COMPUTER PROGRAMS FOR GENERATING A MEASURE OF AUTHENTICITY OF AN OBJECT

Publication Number WO/2018/001941
Publication Date 04.01.2018
International Application No. PCT/EP2017/065666
International Filing Date 26.06.2017
Chapter 2 Demand Filed 27.04.2018
IPC
G07D 7/1205 2016.1
GPHYSICS
07CHECKING-DEVICES
DHANDLING OF COINS OR OF VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
7Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
06using wave or particle radiation
12Visible light, infra-red or ultraviolet radiation
1205Testing spectral properties
G07D 7/202 2016.1
GPHYSICS
07CHECKING-DEVICES
DHANDLING OF COINS OR OF VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
7Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
20Testing patterns thereon
202using pattern matching
CPC
G01J 3/0229
GPHYSICS
01MEASURING; TESTING
JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
3Spectrometry; Spectrophotometry; Monochromators; Measuring colours
02Details
0205Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
0229using masks, aperture plates, spatial light modulators or spatial filters, e.g. reflective filters
G01J 3/0254
GPHYSICS
01MEASURING; TESTING
JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
3Spectrometry; Spectrophotometry; Monochromators; Measuring colours
02Details
0205Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
0254Spectrometers, other than colorimeters, making use of an integrating sphere
G01J 3/1838
GPHYSICS
01MEASURING; TESTING
JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
3Spectrometry; Spectrophotometry; Monochromators; Measuring colours
12Generating the spectrum; Monochromators
18using diffraction elements, e.g. grating
1838Holographic gratings
G01J 3/2823
GPHYSICS
01MEASURING; TESTING
JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
3Spectrometry; Spectrophotometry; Monochromators; Measuring colours
28Investigating the spectrum
2823Imaging spectrometer
G07D 7/1205
GPHYSICS
07CHECKING-DEVICES
DHANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
7Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
06using wave or particle radiation
12Visible light, infra-red or ultraviolet radiation
1205Testing spectral properties
G07D 7/205
GPHYSICS
07CHECKING-DEVICES
DHANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
7Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
20Testing patterns thereon
202using pattern matching
205Matching spectral properties
Applicants
  • SICPA HOLDING SA [CH]/[CH]
Inventors
  • DORIER, Jean-Luc
  • DINOEV, Todor
  • RAEMY, Xavier-Cédric
  • HALASZ, Edmund
Agents
  • CARVAJAL Y URQUIJO, Isabel
Priority Data
16177270.230.06.2016EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEMS, METHODS, AND COMPUTER PROGRAMS FOR GENERATING A MEASURE OF AUTHENTICITY OF AN OBJECT
(FR) SYSTÈMES, PROCÉDÉS ET PROGRAMMES INFORMATIQUES DE GÉNÉRATION DE MESURE D'AUTHENTICITÉ D'UN OBJET
Abstract
(EN)
An imaging system (200) for generating a measure of authenticity of an object (10) comprises a dispersive imaging arrangement (30) and an image sensor arrangement (60). They are positioned so that, when electromagnetic radiation (20) from the object (10) illuminates the dispersive imaging arrangement (30), the electromagnetic radiation is dispersed and imaged by the image sensor arrangement (60). The imaging system (200) is configured to then generate a measure of authenticity of the object (10) depending at least on a relation between the imaged dispersed electromagnetic radiation and reference spectral information. The invention also relates to imaging methods, computer programs, computer program products, and storage mediums.
(FR)
L'invention concerne un système d'imagerie (200) permettant de générer une mesure d'authenticité d'un objet (10), ledit système comprenant un dispositif d'imagerie dispersif (30) et un dispositif capteur d'image (60). Ceux-ci sont positionnés de façon à ce que, lorsqu'un rayonnement électromagnétique (20) de l'objet (10) éclaire le dispositif d'imagerie dispersif (30), le rayonnement électromagnétique soit dispersé et imagé par le dispositif capteur d'image (60). Le système d'imagerie (200) est configuré pour générer ensuite une mesure d'authenticité de l'objet (10) d'après au moins une relation entre le rayonnement électromagnétique dispersé imagé et les informations spectrales de référence. L'invention concerne également des procédés d'imagerie, des programmes informatiques, des produits-programmes informatiques et des supports de stockage.
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