WO2013057280A1 - Procédé de vérification d'un document de sécurité par une barrière visuelle à l'aide d'un dispositif d'affichage - Google Patents

Procédé de vérification d'un document de sécurité par une barrière visuelle à l'aide d'un dispositif d'affichage Download PDF

Info

Publication number
WO2013057280A1
WO2013057280A1 PCT/EP2012/070804 EP2012070804W WO2013057280A1 WO 2013057280 A1 WO2013057280 A1 WO 2013057280A1 EP 2012070804 W EP2012070804 W EP 2012070804W WO 2013057280 A1 WO2013057280 A1 WO 2013057280A1
Authority
WO
WIPO (PCT)
Prior art keywords
security document
partial image
viewing
images
image portion
Prior art date
Application number
PCT/EP2012/070804
Other languages
German (de)
English (en)
Inventor
Olga Kulikovska
Olaf Dressel
Jörg Fischer
Original Assignee
Bundesdruckerei Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bundesdruckerei Gmbh filed Critical Bundesdruckerei Gmbh
Priority to EP12783164.2A priority Critical patent/EP2769364B1/fr
Publication of WO2013057280A1 publication Critical patent/WO2013057280A1/fr

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing 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
    • G07D7/06—Testing 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 using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/128—Viewing devices
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing 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
    • G07D7/003—Testing 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 using security elements
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing 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
    • G07D7/20—Testing patterns thereon
    • G07D7/202—Testing patterns thereon using pattern matching
    • G07D7/207—Matching patterns that are created by the interaction of two or more layers, e.g. moiré patterns

Definitions

  • the invention relates to a method and a system for the verification of
  • Security documents that allow security documents to be authentically checked for authenticity and / or integrity.
  • the invention relates to a method for verifying security documents which comprise a visual barrier which allows for a viewing through the security barrier and the security document for at least one viewing geometry.
  • Security features are understood to mean all features which make it impossible or at least significantly complicate the imitation, falsification, duplication or unauthorized production of an object.
  • a document which has at least one security feature is called a security document.
  • Security documents include, for example, identity documents, such as identity cards, passports, identification cards, access cards, but also driving licenses, visas or documents of value such as banknotes, securities, postage stamps, customs stamps and
  • seals and labels for authenticating the authenticity of products or security features against counterfeiting or falsification protected tickets and the like are called
  • security features can be used as security features.
  • Other security features may be formed, for example, by means of an integrated microchip, a magnetic stripe, or other materials having certain physical or chemical properties, such as a luminescent characteristic or the like.
  • An essential function of security features is to offer a possibility to determine a genuineness and / or authenticity of the security feature itself as well as of the security document in which the corresponding security feature is integrated. Such a procedure is called verification.
  • verification the authenticity and / or integrity of the security feature and / or the
  • Integrity of a security document may include individual security features, In particular, those in which information is stored can be used to perform a higher level verification of the security document or control of a person associated with the security document.
  • a simple example of this is, for example, a serial number integrated in a passport, which can be used after a read-out in order to determine via a comparison with a database in which stolen passports are registered, whether the pass which is being verified, belongs to the stolen reported passes or not.
  • Different imaging geometries may, for example, be defined by different viewing directions relative to a direction associated with and associated with the security document.
  • a surface normal to the security document may be used as the security document
  • Reference direction are defined, with respect to which the viewing directions of the security document are defined.
  • security features are known, which are also referred to as tilt images, which are under different
  • Security features can be implemented differently. For example, holograms or other diffractive structures can be used for this purpose. Other
  • Embodiments use, for example, microlenses which, under different viewing directions, store different data stored in the document
  • Map information shares Such security features are also referred to in the art as CLI (Changeable Laser Image) or MLI (Multiple Laser Image) features.
  • CLI Changeable Laser Image
  • MLI Multiple Laser Image
  • Other security features use so-called parallax barriers, in which individual areas of information are obscured by the visual barrier, the
  • Level-1 security features Features which can be read out by a human person without the aid of further technical aids from the security document or can be checked directly for their authenticity and authenticity are referred to as so-called Level-1 security features.
  • Level 2 features Features requiring technical aids for review are referred to as Level 2 features.
  • the object of the invention is therefore to provide a verification method and a verification system, with which an improved verification by exploiting widespread objects is possible.
  • the invention is based on the idea to display a graphic information on a display device and in front of the display area a value and / or
  • a security feature is a feature that makes it difficult or impossible, or at least makes its manipulation recognizable, an imitation, falsification or unauthorized production of an object in which the security feature is incorporated or in which this is formed.
  • a see-through security feature is in the security feature that has one or more transparent or translucent areas.
  • a captured graphic image of the transparent or translucent areas is thus dependent on what is on the side facing away from the viewer of the see-through security feature.
  • Security documents are all those documents that include at least one security feature, typically a variety of security features.
  • Security documents include, for example, personal documents such as passports, identity cards, access cards, identification cards, driving licenses, but also bank cards, credit cards, visas or the like, just to name a few.
  • Security documents which additionally embody a value, are also referred to as value documents.
  • Security documents which at the same time represent value documents, are, for example, banknotes, postage stamps, securities, entry tickets secured with security features or the like. A precise delimitation of the subgroup of value documents is sometimes difficult. In terms of what is described here, such delineation does not matter. All value documents are also security documents according to the definition given here.
  • a display device in the sense of what is described here is a device which can generate a graphic representation on a display surface.
  • the display device in the sense of what is described here is a device which can generate a graphic representation on a display surface.
  • Display device designed so that different information contents can be displayed one after the other at the same presentation positions.
  • Such a display device is also referred to as a freely programmable display area, since the information content, which is displayed at a display position, can be selected freely, for example via program-controlled image data generation.
  • Television screens but also computer screens, matrix-like LCD, TFT screens or the like are display device in the sense of what is described here.
  • visualization devices of mobile phones, personal digital assistants (PDAs) or the like are display devices as defined herein
  • a visual barrier each structural unit of a security document is understood, which selectively releases different information components for different viewing geometries, which are arranged, formed or displayed on a side of the visual barrier facing away from the viewer or a detection unit.
  • a visual barrier can consist of a microlens array, wherein the microlenses do not necessarily have to be designed with an identical focal length and / or orientation of their optical axis.
  • a visual barrier can also be in the form of a pattern of transparent or translucent areas on the one hand and opaque
  • Layer formed channels may be formed in the form of through-hole, wherein the layer itself is opaque.
  • a partial image part is a part of an information which is combined with a further partial image part into an overall image, i. H. to complete information.
  • Partial image portions can be, for example, graphic representations of information that can be perceived when viewed through an eye of a human being.
  • a first subpicture may have seemingly indiscriminately arranged black image areas in front of a monochrome, for example, white background, and a second subpicture also have seemingly randomly arranged black image areas in front of the same background, but complement each other in such a way that in the complement they appear to be random arranged black area represent a total information, which represents, for example, alphanumeric characters or symbols that are easily detectable and represent information coding that can be evaluated in a simple manner for a human observer or for a machine evaluation.
  • An imaging geometry or viewing geometry may, for example, be characterized by a direction under which a security document is viewed or detected.
  • a viewing direction may be defined as the optical axis of camera imaging optics relative to a surface normal of the viewed object.
  • a viewing or graphic detection of an object from different directions represents a detection under different viewing geometries.
  • a detection of an object from the same viewing direction, but from different distances represents a capture of two images under different imaging geometries. It is understood that combinations of these are possible.
  • color mixing is meant a color addition and a color subtraction. If light of different wavelengths, ie different colors, superimposed, so often results for a human observer, a color impression of the
  • Proposed is a method for verifying a value
  • a security document comprising the steps of: operating a display device on the display surface of which a graphical representation is displayed, placing a security document in front of a display area with the displayed graphical representation (in particular placing the security document on the display area), wherein the security document is a security feature with a visual barrier comprising viewing or capturing an image in phantom for different viewing geometries, in particular different ones
  • the visual barrier is integrated into the security document so that at least for a viewing geometry a review through the visual barrier and the security document on a behind the
  • Viewing geometry includes capturing at least two images of the security document mounted in front of the display device for at least two
  • the advantage of the invention is that with widely available display devices, such as for example of personal computers, personal digital assistants or mobile telephones, in particular those designated as smartphones
  • Mobile phones are used, can be verified.
  • the invention also has the advantage that novel security features are easily verifiable.
  • the invention comprises several independently and in combination with one another
  • inventive aspects that can be realized in different embodiments.
  • the individual features of individual aspects and / or embodiments described below can be used to develop the various aspects and / or embodiments.
  • a homogeneously monochromatically formed first sub-image component is displayed on the screen, the first
  • Color impression causes, and at least a second partial image portion is displayed, which is homogeneously monochrome and one of the first color impression
  • Color impression-inducing partial images can be added to an overall image, which causes a deviating homogeneous monochrome color impression in the viewer in the overall picture. In one embodiment, it is thus checked whether a color perception is caused in a human, due to a
  • Color mixing of the at least one partial image portion and the at least one second partial image portion is caused and differs the color perception of the overall image of the at least one partial image and the at least one second partial image.
  • the at least two images for different viewing directions are detected.
  • a human user this is done, for example, by a simple look with both eyes. Since these are spaced apart, consider the two eyes that in front of the display area the display device arranged security document under different viewing directions. An evaluation and verification can thus be perceived directly by a human observer in a simple manner.
  • Microprocessor device to evaluate the captured graphic images and to make based on the evaluation of a verification decision.
  • At least a second partial image portion is stored in the security document, which passes through the visual barrier under at least one of the at least one
  • Viewing geometry for example, the at least one viewing direction different viewing geometry, for example, different
  • Viewing directions is perceptible and when evaluating the at least two mappings, a supplement of the partial image parts is examined to an overall picture.
  • At least one second partial image component is displayed on the display surface in addition to the at least one partial image component and it is checked during the evaluation of the at least two images as to whether the images in each case comprise the first or the second partial image component in such a way that that these add up to an overall picture.
  • the two pieces of information that the user perceives are both displayed on the display surface so that they pass through the visual barrier of the display
  • the sub-images are designed so that they have a 3D effect in a human observer under excellent
  • the first partial image portion displayed on the display surface and the second partial image portion either displayed on the display surface or be formed in the security document itself.
  • the partial image information or partial image information which is displayed on the display surface must therefore be adapted to the visual barrier and optionally additionally to a partial image component which is formed in the security document.
  • an identifier is detected and the graphical representation on the for the
  • Display area depending on the identifier from a memory, such as a database retrieved or generated by calculation based on the identifier. This creates the possibility of being able to check a large number of different security documents, for which individually different graphic representations are required on the display area.
  • a memory such as a database retrieved or generated by calculation based on the identifier.
  • Security documents can be designed such that they can each be verified on the display area with the same graphical representation.
  • the verification should only be possible if a person who is assigned to the security document agrees to this verification. This is for example possible because in addition to the identifier, a PIN is detected and retrieval and / or generating the graphical representation is only possible if the identifier and the associated PIN have been detected and verified as belonging together correctly.
  • Personalizing information may be, for example, a name, a date of birth, an address or the like.
  • such personalizing information is stored in the visual barrier of the security document, and is perceivable when viewing the security document in front of the display area, as long as the graphical user interface is secure
  • Representation on the display surface is adapted to the visual barrier and possibly adapted to the image components stored in the first security document.
  • information on the display surface may be perceptible when viewed or mapped without a security document disposed in front of it, but obscured by the visual barrier, although a resulting overall image does not appear to encompass covered image areas.
  • information portions disposed on the display area in the graphical representation are "scattered" to depict information that is graphically captured by a human viewer, such as alphanumeric characters or simple graphical symbols.
  • the representation of the at least one partial image portion and / or the at least second partial image component is anchored on the display surface or be and multiple imaging pairs are evaluated.
  • a positive verification decision is made, for example, if for one of the image pairs an expected supplement of the partial image parts to an overall image is successfully possible. Such a successful supplement finds
  • Display area varies and evaluated at least two mappings at least in pairs, wherein each of at least two evaluated at least two images, such images are the same time or at least for the same
  • Viewing geometries are recorded. Likewise, it is possible, alternatively or additionally, to vary the viewing geometries, for example by changing a viewing distance which in the case of a human observer with a
  • Fig. 1 is a schematic representation for explaining a Vertechnischsablholzs
  • Fig. 2 shows another embodiment for illustrating another
  • Fig. 3 is a schematic representation of a display device
  • 3a is a schematic representation for explaining the perception of
  • Fig. 3b is a schematic representation for explaining the perception at
  • 4 shows a schematic representation of a security document which is arranged on a display surface on which different partial image portions are displayed for a stereoscopic image; 4a is a schematic explanation of the perception or
  • Fig. 5 is a schematic representation of a security document in front of a
  • FIG. 6 is a schematic representation of a security document in front of a
  • a display area wherein a partial image portion of a stereoscopic image is encoded in the security document
  • Fig. 7 is a schematic representation of a security document, which as
  • Visual barrier has a microlens array with microlenses of different focal lengths
  • FIG. 8 shows a schematic representation of a security document which is arranged in front of a screen, the security document having as a visual barrier a microlens array of microlenses of the same focal length.
  • Transparent security feature 2 in cooperation with a display device 4 takes place.
  • Display device 4 is arranged.
  • the display device 4 may be
  • the display device may also be a display of a mobile phone, a personal digital assistant or a digital camera or the like.
  • a graphic 5 is controlled on the display surface 3 via a computer 5.
  • the graphical representation that can be displayed on the display surface 3 comprises at least a first partial image portion 101 for a verification of the security document 1 or the see-through security feature 2 contained therein.
  • the at least one partial image portion is formed in the form of strips 101 -1 in this embodiment.
  • the stripes 101 -1 can all be formed homogeneously monochrome.
  • the stripes 101-1 of the frame portion 101 represent strip-like portions of a photographic image or an alphanumeric "text" against a background.
  • the see-through security feature 2 includes a visual barrier 210.
  • the visual barrier 210 The visual barrier
  • 210 comprises transparent, for example transparent, in particular color-neutral sections 21 1 and opaque, opaque sections 212.
  • the transparent sections are transparent, for example transparent, in particular color-neutral sections 21 1 and opaque, opaque sections 212.
  • the geometric configuration of the opaque and transparent sections can be chosen completely differently.
  • the visual barrier 210 can be produced for example by a partial printing, for example with parallel color stripes 213, on a transparent film which is joined together with other films to form a document body, which are transparent at least in the area of the see-through security feature.
  • the visual barrier 210 may be formed by micro-perforations formed, for example, in an inner opaque layer.
  • the perforated opaque layer is laminated between further transparent layers in a security document body. At another one
  • the visual barrier is formed by means of a microlens array.
  • the visual barrier 210 is integrated into the security document 1 in such a way that, under a viewing direction through the visual barrier 210 and the security document 1, it is possible to view information or graphically record information that is displayed behind the security document. Furthermore, the visual barrier is formed such that at least one viewing direction exists, under which this information component through the visual barrier 210 and the
  • Security document 1 is perceptible and an alternating
  • the visual barrier thus causes view angle dependent arranged behind the security document Information through the security document and the visual barrier
  • the security document 1 is arranged in front of the display surface 3, the first partial image portion 101 shown on the display surface will be in the region of
  • See-through security feature 2 and the visual barrier 210 affects the detectable graphical image of the see-through security feature 2 contemplation angle dependent.
  • at least two images are thus detected, which are formed from the "overlaying" of the first partial image portion 101 shown on the display surface 3 and the visual barrier 210 formed in the security feature 2.
  • the graphical representation of the first partial image portion 101 adapted to the security document 1 to be verified or its see-through security feature 2
  • different overall graphic images of the security document 1 or the transparent security feature 2 can be perceived in front of the display surface 3.
  • the captured images which are detected, for example, with a camera (not shown) in succession or with two cameras (not shown) spaced apart, are evaluated in a downstream evaluation device, for example the computer 5, in order to make a verification decision.
  • the first partial image portion 101 which is displayed on the display surface 3 of the display device 4, regardless of the verifiable security document 1 and its see-through security feature 2 in the sense that the same on the display surface 3 shown first partial image portion 101, for example a regular monochrome line grid, for a variety or all security documents 2 can be used to derive from the resulting images of the security document 1 in front of the display surface 3, the verification decision can. For example, it can be checked whether the first partial image portion 101 is perceptible in the image acquired under a viewing geometry, in this case a first viewing direction, and is imperceptible in a captured image under a viewing geometry deviating from the one viewing geometry, here a different viewing direction is.
  • a second partial image portion 102 is shown graphically.
  • the second partial image portion 102 is also strip-shaped, with the strips 101-1 of the first partial image portion being arranged alternately with strips 102-1 of the second partial image portion 102 on the display surface.
  • the arrangement is adapted to the visual barrier 210 of the security document 1, which with this graphical representation on the
  • Display area 3 is to be verified.
  • Security document 1 in front of the display surface 3 and a capture of the images under suitable viewing directions, the partial image portions 101 and 102, which are perceptible in the two captured images, partial images that lead to a three-dimensional image impression in a human, provided the images each separately one of Eyes of a human being "fed”.
  • a human being at an appropriate distance from the security document 1 considers this
  • Display surface 3 is arranged, it can perceive a three-dimensional image, provided that the partial image information portions 101, 102 are adapted to the visual barrier 210 suitable. It is understood that, in particular in visual barriers, in which the opaque portions 212 and the transparent portions 21 1 represent other geometric configurations, in particular irregular or not regularly appearing patterns, a 3D image perception is only possible if the corresponding partial image portions suitable the visual barrier are adjusted. Thus, a high verification accuracy can be achieved.
  • a serial number 1 1 is used as identifier 10.
  • Identifier 10 is detected by a detection device 12.
  • the detection can be optical, magnetic, electronic, for example via a wireless communication from a microchip (not shown).
  • the detection device 12 may also be a keyboard via which an input of the serial number is detected.
  • an additional personal identification number (PIN) 17 can be recorded.
  • the identifier 10 and optionally the PIN 17 are used to retrieve a graphical information associated with the identifier 10 from a database 13, or to calculate using an algorithm, which is implemented for example in the computer 5 by means of a program code.
  • a first partial image portion 101 and a second partial image portion 102 are displayed here.
  • Display area 3 is as in the embodiment of FIG. 1 the
  • Security document 1 which is a see-through security feature 2 with a
  • Visible barrier 210 includes arranged. Subsequently, the at least two images for different viewing geometries are detected, which capture at least part of the see-through security feature 2 in transmitted light.
  • the captured image are detected, for example, by means of a camera 14 and evaluated in the computer 5 or viewed by a user 6, who evaluates the optically detected image and derives a verification decision.
  • the verification and derivation of the verification decision can take place via a comparison with specifications 15, 16, which are shown schematically with the associated verification decisions in FIG. 2.
  • the evaluation can also be done in the computer 5.
  • FIG. 3 shows a schematic representation of a security document 1, which comprises, for example, on a front side 220 a visual barrier 210 formed from opaque, spaced-apart color stripes 213.
  • a visual barrier formed in this way can also be found in the interior of the security document 1, which comprises, for example, on a front side 220 a visual barrier 210 formed from opaque, spaced-apart color stripes 213.
  • a visual barrier formed in this way can also be found in the interior of the
  • Security document 1 may be formed. Otherwise, the security document 1 is transparent and color-neutral in the illustrated embodiment. This means that light of all wavelengths in the visible wavelength range can pass through the security document with almost no attenuation or at least without any attenuation, or at least, however, this wavelength-independent attenuation. Only the color stripes 213 are designed such that they preferably completely absorb light in the visible wavelength range.
  • the security document 1 is arranged for verification in front of a display surface 3 of a display device 4. On the display surface 3, a first partial image portion 101 and a second partial image portion 102 are shown, which are formed of alternately nested strips 101 -1, 102-1.
  • the stripes 101 -1 of the first partial image portion 101 are formed homogeneously red and the stripes 102-1 of the second partial image portion 102 are homogeneously green.
  • Fig. 3a is, when viewed perpendicular to the front side 220 of the security document 1 only green light passes through the transparent or transparent portions 21 first The red light is absorbed by the color stripes 213 and can not be detected by a first image in the vertical viewing direction.
  • FIG. 3 b shows which light components can be perceived by the display surface 3 when viewed at 45 ° with respect to the surface of the front side through the visual barrier 210 and the security document 1. Only red light passes through the transparent portion 21 1, whereas green light is absorbed by the color stripes 213. Different viewing directions thus become different
  • the embodiment of the security document 1 shown in FIGS. 4 and 4a and the graphical representation on the display surface 3 are similar to that of FIG. 3.
  • the stripes 101 -1 of the first partial image portion 101 and the stripes 102-1 of the second partial image portion 102 each strip of sub-images, which causes a three-dimensional representation of the information contained in the sub-image portions 101, 102 in a human viewer with a suitable overlay.
  • the visual barrier 210 formed in the security document 1 ensures that either only the stripes 101-1 of the first partial image portion 101 or the stripes 102-1 of the second partial image portion 102 can be perceived under different viewing directions.
  • the correct orientation of the security document relative to the graphical representation on the display surface 3 by suitably arranged detection devices, such as cameras, or by human eyes, respectively the sub-images are separately detected.
  • a human observer perceives a three-dimensional image in such a case. In Fig. 4a, this situation is shown schematically.
  • the left eye 231 perceives only the first partial image portion and the right eye 232 only the second partial image component 102 true.
  • FIG. 5 shows an alternative embodiment in which the visual barrier 210 is formed by perforations 241, for example microperforations in an otherwise opaque security document. Again are under suitable
  • the security document can be moved relative to the display surface and temporally successive images are detected, which are then evaluated in pairs. In the evaluation, it is checked whether a 3D impression is caused in an arrangement.
  • the graphical representation can be varied on the display surface, thereby adapting to the respective
  • FIG. 6 shows an embodiment in which a partial image portion 102 which can be supplemented into a three-dimensional overall image is formed and stored in the security document 1 at a distance from the visual barrier 210.
  • Display area 3 is now the necessary to complement other field portion 101 is shown, so that with appropriate positioning of the security document 1 in front of the display area 3 under a viewing direction stored in the security document 1 field share 102 and under another viewing direction of the display area 3 shown in the display part 101 are perceptible ,
  • the verification decision can be made dependent on whether the partial image component 101 displayed on the display surface is supplemented with partial image component 102 stored in the security document in such a way that a three-dimensional perception is produced by the user.
  • FIG. 7 a further embodiment is shown schematically in which the
  • the viewing barrier comprises a microlens array 300 including first microlenses 301 having a first focal length 305 and second microlenses 302 having a second focal length 306 different from the first focal length.
  • the first and second microlenses 301, 302 are, for example
  • Cylindrical lenses are arranged alternately. These form under a first
  • microlenses form different areas of the display area under different viewing directions, so that a viewing angle dependence is also present. If appropriate
  • Embodiment parts of the image which are shown on the display surface, also perceived in this embodiment so that a three-dimensional image impression is created in a viewer.
  • the security document 1 comprises a microlens array 300 in which the microlenses 301 all have the same focal length 305.
  • the different partial image portions, the partial image portion 101 displayed on the display surface, and the partial image portion 102 stored in the security document 1 become different levels sharply imaged, since the information portions, ie the sub-picture portions 101, 102 are arranged at different distances to the microlenses.
  • the microlenses may be configured to have one on the display surface when viewed without an array of the
  • Security document in front of the display surface perceptible information when placing the security document in front of the display area so that it is no longer perceptible, but instead a uniform monochrome surface is perceived.
  • the pieces of information carrying, for example, alphanumeric information are mapped in directions that do not coincide with the one viewing direction. Instead, information portions of the background for "populating" the areas where the alphanumeric information is displayed on the display area are imaged for perception from the one viewing direction.
  • the microlenses are formed so that a seemingly random pattern through the
  • Microlenses is mapped so that, for example, an alphanumeric information is perceptible.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Editing Of Facsimile Originals (AREA)

Abstract

L'invention concerne un procédé de vérification d'un document de valeur ou de sécurité (1), comprenant les étapes consistant à : faire fonctionner un dispositif d'affichage (4), une représentation graphique pouvant être affichée sur la surface d'affichage (3) dudit dispositif d'affichage ; placer un document de sécurité (1) en face de la surface d'affichage (3) dotée de la représentation graphique présentée, le document de sécurité (1) comportant un signe de sécurité pourvu d'une barrière visuelle (210) qui permet à différents dispositifs de géométrie d'observation de découvrir différentes parties d'informations situées derrière la barrière visuelle 210) lors d'une observation par transparence, la barrière visuelle (210) étant intégrée au document de sécurité (1) de manière qu'une vue en transparence par la barrière visuelle (210) et le document de sécurité (1) sur une fraction d'informations se trouvant derrière le document de sécurité (1) soit possible au moins pour un dispositif de géométrie d'observation, la représentation graphique comportant au moins une première partie d'image partielle (101) pour ledit au moins un dispositif de géométrie d'observation ; détecter au moins deux représentations du document de sécurité (1) en face du dispositif d'affichage (4) pour au moins deux dispositifs de géométrie d'observation différents ; évaluer lesdites au moins deux représentations et déduire une décision de vérification.
PCT/EP2012/070804 2011-10-19 2012-10-19 Procédé de vérification d'un document de sécurité par une barrière visuelle à l'aide d'un dispositif d'affichage WO2013057280A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12783164.2A EP2769364B1 (fr) 2011-10-19 2012-10-19 Procédé de vérification d'un document de sécurité par une barrière visuelle à l'aide d'un dispositif d'affichage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011084818A DE102011084818A1 (de) 2011-10-19 2011-10-19 Verfahren zur Verifikation eines Sicherheitsdokuments mit einer Sichtbarriere unter Verwendung einer Anzeigevorrichtung
DE102011084818.5 2011-10-19

Publications (1)

Publication Number Publication Date
WO2013057280A1 true WO2013057280A1 (fr) 2013-04-25

Family

ID=47143862

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/070804 WO2013057280A1 (fr) 2011-10-19 2012-10-19 Procédé de vérification d'un document de sécurité par une barrière visuelle à l'aide d'un dispositif d'affichage

Country Status (3)

Country Link
EP (1) EP2769364B1 (fr)
DE (1) DE102011084818A1 (fr)
WO (1) WO2013057280A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3067845B1 (fr) * 2017-06-14 2019-07-12 Safran Identity & Security Procede d'authentification d'un document comportant une fenetre transparente, procede pour realiser des transactions et dispositif pour la mise en œuvre
DE102019122586B4 (de) * 2019-08-22 2021-04-08 Bundesdruckerei Gmbh Mikrostrukturiertes transparentes Sicherheitselement
DE102019123691A1 (de) 2019-09-04 2021-03-04 Bundesdruckerei Gmbh Verfahren zur prüfung der echtheit eines sicherheitsdokuments

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006018171A2 (fr) * 2004-08-12 2006-02-23 Giesecke & Devrient Gmbh Element de securite comprenant un support
DE102004051919A1 (de) * 2004-10-25 2006-04-27 Giesecke & Devrient Gmbh Sicherheitselement mit transparentem Träger
WO2007010224A1 (fr) * 2005-07-18 2007-01-25 De La Rue International Limited Authentification visuelle d'un support d'enregistrement optique
WO2011015384A1 (fr) * 2009-08-04 2011-02-10 Giesecke & Devrient Gmbh Dispositif de sécurité
WO2011161636A1 (fr) * 2010-06-22 2011-12-29 Arjowiggins Security Procede d'autentification et/ou d'identification d'un article de securite

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3445973A1 (de) * 1984-12-17 1986-06-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Anordnung zur erzeugung eines bildes
DE102004026557A1 (de) * 2004-05-27 2005-12-22 Arno Oesterheld Authentifizierungsverfahren und Authentifizierungssystem
DE102006054651A1 (de) * 2006-11-17 2008-05-21 Giesecke & Devrient Gmbh Sicherheitsanordnung mit Flüssigkristallschicht
DE102007037576A1 (de) * 2007-08-09 2009-02-12 Giesecke & Devrient Gmbh Verifikation von Sicherheitselementen mit Fenster

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006018171A2 (fr) * 2004-08-12 2006-02-23 Giesecke & Devrient Gmbh Element de securite comprenant un support
DE102004051919A1 (de) * 2004-10-25 2006-04-27 Giesecke & Devrient Gmbh Sicherheitselement mit transparentem Träger
WO2007010224A1 (fr) * 2005-07-18 2007-01-25 De La Rue International Limited Authentification visuelle d'un support d'enregistrement optique
WO2011015384A1 (fr) * 2009-08-04 2011-02-10 Giesecke & Devrient Gmbh Dispositif de sécurité
WO2011161636A1 (fr) * 2010-06-22 2011-12-29 Arjowiggins Security Procede d'autentification et/ou d'identification d'un article de securite

Also Published As

Publication number Publication date
EP2769364B1 (fr) 2018-02-07
EP2769364A1 (fr) 2014-08-27
DE102011084818A1 (de) 2013-04-25

Similar Documents

Publication Publication Date Title
WO2009019038A1 (fr) Vérification d'éléments de sécurité à fenêtre
DE102013103613B3 (de) Erzeugung und Erkennung von fälschungssicher druckbaren Bildinformationsdaten
DE102011084819B4 (de) Verfahren zur Verifikation eines Sicherheitsdokuments mit einem Muster unter Verwendung einer Anzeigevorrichtung
EP2769364B1 (fr) Procédé de vérification d'un document de sécurité par une barrière visuelle à l'aide d'un dispositif d'affichage
EP3393821A1 (fr) Procédé de fabrication d'un document de sécurité et document de sécurité
DE102014207439A1 (de) Maskierung von sensiblen Daten bei der Benutzer-Identifikation
EP3977335A1 (fr) Animation à réalité augmentée
DE102009008779A1 (de) Verfahren zum Überprüfen der Echtheit eines Druckproduktes
EP3024666B1 (fr) Procédé pour vérifier l'authenticité de documents
DE112005000983T5 (de) Verfahren und System zum Bilden einer Entschlüsselungseinrichtung
EP4215378A2 (fr) Vérification d'un document de sécurité sur la base de morphologies de gouttelettes
DE102013108423B4 (de) Verfahren zum Aufbringen eines Bildes mittels eines Lasergerätes auf einen Datenträger
WO2017064233A1 (fr) Procédé de vérification d'un document, document et système informatique
DE102013014894A1 (de) Manipulationssicheres Sicherheitsdokument
WO2013057278A1 (fr) Procédé de vérification d'un document de sécurité à l'aide d'un dispositif d'affichage
EP3548300B1 (fr) Procédé de fabrication et de vérification d'un document de sécurité et document de sécurité
WO2022053268A1 (fr) Document de plusieurs feuilles doté de caractéristiques de sécurité, ainsi que procédé et dispositif pour produire celui-ci
DE102015006008A1 (de) Verfahren zur Kontrolle der Echtheit von Sicherheitsmerkmalen an Wertobjekten
EP4051507A1 (fr) Procédé et système de production et de vérification d'un document de sécurité
EP2860043B1 (fr) Procédé de fabrication d'un filigrane
DE102010002462B4 (de) Kamerasystem zur Aufnahme von Bildern und zur Speicherung von Bildern in einem Dokument
DE10221785A1 (de) Ticket-System
WO2017055422A1 (fr) Procédé et dispositif d'authentification d'un objet ou d'une personne via un élément de sécurité modulaire
DE102015008043A1 (de) Verfahren zum Überprüfen optischer Eigenschaften eines Substrates

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12783164

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2012783164

Country of ref document: EP