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1. ES2791399 - Elemento de seguridad y método para inspeccionar la autenticidad de una impresión

Office
Spain
Application Number 13721389
Application Date 15.02.2013
Publication Number 2791399
Publication Date 04.11.2020
Publication Kind T3
IPC
H04N 1/32
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
1Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
32Circuits or arrangements for control or supervision between transmitter and receiver
G07D 7/00
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
G07D 7/20
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
G07D 7/202
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
G07D 7/005
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
005Testing security markings invisible to the naked eye, e.g. verifying thickened lines or unobtrusive markings or alterations
CPC
G07D 7/2041
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
2041Matching statistical distributions, e.g. of particle sizes orientations
H04N 1/32251
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
1Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
32Circuits or arrangements for control or supervision between transmitter and receiver ; or between image input and image output device
32101Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
32144embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
32149Methods relating to embedding, encoding, decoding, detection or retrieval operations
32203Spatial or amplitude domain methods
32251in multilevel data, e.g. greyscale or continuous tone data
H04N 1/32325
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
1Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
32Circuits or arrangements for control or supervision between transmitter and receiver ; or between image input and image output device
32101Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
32144embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
32149Methods relating to embedding, encoding, decoding, detection or retrieval operations
3232Robust embedding or watermarking
32325the embedded data being visible
H04N 1/32352
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
1Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
32Circuits or arrangements for control or supervision between transmitter and receiver ; or between image input and image output device
32101Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
32144embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
32352Controlling detectability or arrangements to facilitate detection or retrieval of the embedded information, e.g. using markers
G07D 7/0056
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
005Testing security markings invisible to the naked eye, e.g. verifying thickened lines or unobtrusive markings or alterations
0054involving markings the properties of which are altered from original properties
0056involving markings of altered colours
H04L 9/3226
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Cryptographic mechanisms or cryptographic; arrangements for secret or secure communication
32including means for verifying the identity or authority of a user of the system ; or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
3226using a predetermined code, e.g. password, passphrase or PIN
Applicants Glenisys Kft.
Inventors BIRO, Attila
KRISTO, Gábor
Agents Isern Jara Jorge
Priority Data P1200097 15.02.2012 HU
Title
(ES) Elemento de seguridad y método para inspeccionar la autenticidad de una impresión
Abstract
(ES) Un método para inspeccionar la autenticidad de un material impreso con un elemento de seguridad, comprendiendo dicho elemento de seguridad un código (20) que lleva información primaria y es detectable a simple vista con luz visible que entra dentro del rango de longitud de onda de 380 a 750 nm, y, combinado con el mismo, un código (32, 42) que lleva información secundaria y es indetectable a simple vista, en donde en el elemento de seguridad aplicado como una impresión en un sustrato de impresión, la dimensión más grande en al menos una dirección del plano del código que lleva información secundaria es de 2 a 40 micrómetros, y en donde el código que lleva información secundaria es generado por áreas del código que llevan información primaria no impresa directamente en las mismas, comprendiendo el método las etapas de grabar una imagen del código (20) que lleva la información primaria del elemento de seguridad al iluminar el material impreso con luz visible que entra dentro del rango de longitud de onda de 380 a 750 nm; convertir la imagen obtenida en una imagen en escala de grises y almacenar la imagen en escala de grises; segmentar la imagen en escala de grises almacenada; clasificar segmentos de la imagen segmentada en escala de grises en un número dado de clases basándose en un algoritmo de codificación preestablecido; asignar un valor medio de escala de grises, como característica inherente que se puede analizar estadísticamente, a cada clase sometiendo dichas clases una tras otra a análisis estadístico; generar una tendencia a partir de los valores medios obtenidos en escala de grises que cambian de clase en clase; adoptar una postura sobre el tema de la autenticidad de dicho material impreso en función de la forma de dicha tendencia.
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