EP4014209A1 - Mobiles bildverarbeitungsgerät zum erfassen einer abbildung eines dokumentes - Google Patents
Mobiles bildverarbeitungsgerät zum erfassen einer abbildung eines dokumentesInfo
- Publication number
- EP4014209A1 EP4014209A1 EP20734379.9A EP20734379A EP4014209A1 EP 4014209 A1 EP4014209 A1 EP 4014209A1 EP 20734379 A EP20734379 A EP 20734379A EP 4014209 A1 EP4014209 A1 EP 4014209A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- image
- security feature
- document
- designed
- processor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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
- G07D7/003—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
- G07D7/06—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
- G07D7/1205—Testing spectral properties
-
- 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
Definitions
- Mobile image processing device for capturing an image of a document
- the present disclosure relates to the field of document recognition.
- Modern documents for example identification documents, driver's licenses, motor vehicle letters, bank notes or other documents, are usually provided with optically detectable security features which enable a document to be checked for authenticity in the context of document recognition.
- security features are optically recorded and evaluated for document recognition.
- checks are mostly only possible in a stationary manner using complex detection devices, which in particular are only available to a restricted group of users. It is therefore the object of the present invention to create a document display concept which in particular enables the security features of the document to be highlighted.
- a security feature which is arranged on a document or incorporated into a document can be designed in such a way that the security feature, under illumination by means of a light source, in particular a white light-emitting diode, at least partially from an image capturing device, in particular a camera, is detectable.
- the captured security feature can be highlighted in an image in such a way that a viewer of the image can grasp the security feature.
- the detected security feature can be changed in color and / or overlaid.
- the authenticity of the document can also be signaled to the viewer with the highlighted security feature.
- an expanded recording in the sense of an “augmented reality” view can be provided.
- the disclosure relates to a mobile image processing device for capturing an image of a document.
- the document In a local document area, the document has a security feature which has a wavelength-converting pigment.
- the mobile image processing device comprises a light generating device which is designed to illuminate the security feature with illuminating light of a first light wavelength in order to stimulate the security feature to emit a light of a second wavelength.
- the mobile image processing device further comprises an image acquisition device for acquiring an image of the document, wherein the image acquisition device is further designed to acquire the light emitted by the security feature in response to the illuminating light in order to obtain an image of the security feature.
- the mobile image processing device further comprises a processor which is designed to capture the local document area in the image of the document; and an image display which is designed to show the image of the document and an image of the security feature superimposed on the local document area.
- the mobile image processing device can in particular be a hand-held telephone (smartphone), a mobile document processing device for capturing, in particular for scanning documents, or an augmented reality device, in particular augmented reality glasses, for overlaying the document with virtual content.
- a hand-held telephone smart phone
- a mobile document processing device for capturing, in particular for scanning documents
- an augmented reality device in particular augmented reality glasses, for overlaying the document with virtual content.
- the document can be one of the following documents, with or without electronics: Identity document, such as ID card, passport, access control card, authorization card, company ID or credit card, tax code or ticket, birth certificate, driver's license or vehicle ID, banknote, check, postage stamp, or any other means of payment , for example a bank card or credit card.
- Identity document such as ID card, passport, access control card, authorization card, company ID or credit card, tax code or ticket, birth certificate, driver's license or vehicle ID, banknote, check, postage stamp, or any other means of payment , for example a bank card or credit card.
- the document can be single or multi-layer or paper and / or plastic-based.
- the document can be made up of plastic-based foils which are joined together to form a card body by means of gluing and / or lamination, the foils preferably having similar material properties.
- the light generating device can in particular have a light source which is designed to illuminate a detection area of the image detection device.
- the light generating device can be a broad-spectrum light source which emits light in a sub-range of the wavelength range from 450 nm to 700 nm.
- the light generating device comprises a light-emitting diode (LED) which emits white light.
- the light generating device can be designed to emit ultraviolet light and / or infrared light.
- the light generating device and in particular a light source contained therein can be arranged next to the image capturing device in order to achieve the highest possible brightness of the light reflected and / or emitted by the document and / or the security feature in response to the illumination with the light generating device.
- the security feature can be stimulated to emit light in response to the illumination by means of the illumination device.
- the security feature can have wavelength conversion properties which can be implemented, for example, by using a silicate compound, such as silicate phosphorus.
- the light emitted by the security feature can have a wavelength which differs from a wavelength of the light absorbed by the security feature.
- the image can thus contain information about a wavelength spectrum emitted by the security feature in response to the illumination.
- a security feature that has wavelength conversion properties can include, for example, silicate pigments, in particular silicate phosphorus pigments, silicate, sulfide, nitride, YAG, TAG, thiogallate-phosphorus pigments, which are added to a printing ink.
- silicate pigments in particular silicate phosphorus pigments, silicate, sulfide, nitride, YAG, TAG, thiogallate-phosphorus pigments, which are added to a printing ink.
- Such a security feature can, in response to excitation with blue light with a wavelength of approximately 400 nm, emit a color-shifted light spectrum which, for example, can have light of the color green, yellow, orange and / or red.
- An LED can therefore be used to excite such a security feature, the light emission spectrum of which comprises at least blue light in a wavelength range between 390 nm to 470 nm.
- the image capture device can in particular be a camera which captures the light reflected and / or emitted by the document and / or the security feature by means of an image sensor, in particular by means of a CCD or CMOS sensor, and as a pixel matrix, in particular with a number of color values per pixel, can provide.
- the image acquisition device can furthermore be designed to record the document with a resolution above a predetermined resolution limit value in order to realize an image of the document and / or the security feature with a sufficiently high resolution.
- the resolution limit value can in particular be 75 ppi, preferably 150 ppi and more preferably 300 ppi.
- the processor can be designed to execute a program to highlight the security feature in the image.
- the program can be stored in an executable or in a compilable form in a memory which the processor can access.
- the processor can be hard-wired and thus set up in terms of hardware technology to perform the detection and / or highlighting of the security feature in the image.
- the hard wiring can be implemented, for example, by means of an application-specific integrated circuit.
- the detection of the security feature by means of the processor can be implemented, for example, by means of a pattern recognition program, the processor being designed to recognize a regularity implemented in the security feature. Furthermore, the processor can be designed to recognize the security feature based on a comparison with a plurality of images or security feature characteristics stored in a memory and / or to determine a similarity of the imaged security feature to an expected image of the security feature.
- the image display can be a screen, in particular a liquid crystal screen or OLED screen, which is designed to display the image and / or the superimposed image.
- the processor can be designed to select an imaging sub-area of the image which comprises the security feature and to use the imaging sub-area to generate an expanded imaging sub-area with a highlighted security feature and to provide the image display. Accordingly, the image display can be designed to display the partial image area in order to realize an enlarged display of the highlighted security feature.
- the processor can furthermore be designed to use the image to detect a relative orientation of the document to the image acquisition device, in particular the image recording plane.
- the processor can be designed to handle the relative To detect alignment by means of an edge detection and to determine a probable location and / or position of the security feature on the basis of the relative alignment.
- the processor can be designed to geometrically transform the mapping in order to generate an expanded mapping which maps the document and / or the security feature free of perspective distortions.
- the geometric transformation can include distortion in order to obtain a particularly rectangular representation of the document in the expanded image.
- the superimposed image of the security feature can be, for example, a real image of the security feature which realistically depicts the security feature.
- the processor can be designed to take into account the illumination of the actual security feature when superimposing the realistic image of the security feature in order to adapt the overlay according to the light emission of the actual security feature expected with the illumination. In this way, for example, a realistic representation of the superimposition of the security feature in the image can be achieved.
- the superimposed image of the security feature can be a schematic image of the security feature, which, for example, highlights relevant features, in particular pigment zones of the security feature, in order to indicate to a user recognition-relevant features of the security feature or to highlight them.
- the processor is designed to detect the security feature and, with the detection of the security feature in the local document area on the basis of the image, insert a note into the image which is designed to inform a user of the mobile image processing device that the security feature has been detected.
- This has the advantage, for example, that the identification of the security feature can be removed from the user or at least made easier.
- the probabilities of false positive and / or false negative verifications of the document can be reduced.
- verification of the document can be accelerated since the detection of the security feature is implemented by means of the mobile image processing device and only the processed information can be perceived by the user in order to detect the presence of the security feature.
- the notice can in particular be a pictogram, a text element and / or a graphic element which is designed in particular to provide the viewer with optically detectable confirmation information about the detection of the security feature.
- the notice can include the text “TRUE” and / or, if the security feature is not recorded, a “FALSE”.
- the processor is designed to identify the document on the basis of the detected security feature and / or the image of the document, wherein the processor is furthermore designed to provide the viewer with identification information based on the identification of the document by means of the reference, which the Identification of the document.
- the processor is furthermore designed to provide the viewer with identification information based on the identification of the document by means of the reference, which the Identification of the document.
- the mobile image processing device can have an acoustic user interface and / or a haptic user interface, wherein the acoustic user interface can comprise a microphone and / or a loudspeaker and is designed to output the identification information by means of an acoustic signal.
- the haptic user interface can be designed to output the identification information haptically, in particular by means of a vibration signal.
- the mobile image processing device can have an electronic user interface which is designed to provide the identification information as an electronic message, in particular within a network.
- the processor is designed to distort a feature image in relation to a perspective distorted image of the security feature, the local document area and / or the document in the image in order to match the perspective representation of the security feature, the local To generate the document area and / or the document in the image adapted feature image.
- the processor is also designed to superimpose the adapted feature image congruently with the security feature in the image in order to highlight the security feature for a viewer. This has the advantage that a congruent representation of the feature image can be implemented within the image. For example, the feature image embedded in the image can appear to a viewer of the image as a highlighted, originally recorded security feature.
- the image capturing device is designed to capture light emitted by the security feature and / or the document in response to the illumination by means of the light generating device at a predetermined frame rate in order to obtain a plurality of images of the document with the security feature.
- the processor is designed to detect the local document area in the first image of the document within a time interval between a first image and a second image of the plurality of images, and the image display is designed to capture the first within the time interval between the first image and the second image To represent the image of the document with an image of the security feature superimposed on the local document area.
- the image display can be designed to display continuously updated images. Particularly in the case of a relative movement between the image capture device and the document and a corresponding adaptation of the overlaid image of the security feature, it can be suggested to the viewer that the overlaid image of the security feature is connected to the originally mapped security feature, or that the security feature is expanded in perspective by the overlaid image. Furthermore, the advantage of accelerated document verification can be achieved, since it is not necessary to generate a still image recording, but rather the overlay can be integrated into a continuously displayed series of images without a noticeable delay.
- the processor is designed to detect a screen printing element that has an effect pigment, an organic or inorganic color pigment and / or a fluorescent printing element as the security feature.
- the processor is designed to detect the security feature on the basis of a feature subarea of the security feature in the image, the feature subarea depicting a part of the security feature and being larger than a predetermined minimum feature subarea in relation to a display area which includes the entire security feature.
- the advantage can be achieved that the security feature is only superimposed with a recorded minimum feature sub-area.
- Minimum feature subarea can be prevented by the visible feature subarea in the illustration an overlay of the security feature.
- the minimum feature sub-area can be larger than the further minimum feature sub-area in order to reduce an alternating frequency between an image with an overlay and an image without an overlay.
- the minimum feature sub-area can be selected in such a way that the superimposition of the security feature achieves a predetermined minimum probability of a valid detection of the security feature. Accordingly, the advantage can be realized that a viewer of the superimposed security feature can infer correct identification and / or verification of the document without further steps.
- the processor is designed to compare the detected security feature with a reference image of the security feature in order to verify the document on the basis of the result of the comparison of the security feature with the reference image.
- the respective security feature can in particular be clearly assigned to a document and / or a group of documents. Accordingly, the advantage can be achieved that with the identification of the security feature the Document or at least the document group can be recorded and verified.
- the processor can be designed to detect further features of the document, in particular characters, images, color and / or text blocks, in order to clearly detect and verify the document using at least one of the further features in combination with the security feature.
- the processor can be designed to differentiate a plurality of bank notes with different values on the basis of the monetary values shown in writing on the document and to verify the respective bank note on the basis of a common security feature.
- the processor is designed to insert a further note in the image, in particular to superimpose the image with the further note which provides information about the result of the
- the information relating to the detection of the security feature and the further information relating to the verification of the document can be linked to one another and / or integrated into one another.
- the detection can be implemented by means of a pictogram and / or a text display, with verification being implemented by means of a predetermined color and / or a color change of the pictogram or the text display.
- the processor is designed to identify the security feature on the basis of the mapping and to identify the document on the basis of the identified security feature. This has the advantage that the document can be identified by detecting the security feature. In particular, the document can be identified solely on the basis of the security feature.
- the processor can be designed to identify the security feature on the basis of the wavelength-converting pigment, a form of the security feature and / or a position of the security feature on the document.
- the processor can be designed to detect a positional deviation from an expected relative position of the security feature on the document. With a positional deviation above a limit value and / or a form deviation of the security feature from an expected shape, verification of the document on the basis of the security feature can be prevented.
- the image capturing device is designed to provide the image in the form of a pixel matrix of image points with color values
- the processor is designed to generate a feature image in the form of a color matching of image points that image the security feature in the image in order to use the to replace and / or superimpose the original image points with color-matched image points and to generate an expanded image
- the image display being designed to display the expanded image.
- the security feature is shown in a color contrasting with the document and / or highlighted. In particular, this can increase the contrast of the security feature in relation to the rest of the document.
- the security feature can be displayed in a color that differs from the originally detected color by means of an incorrect color display. For example, a user-defined color for superimposing the security feature can be set via a user interface.
- the processor can be designed to superimpose a document area surrounding the security feature in addition to the security feature in order to make it easier to find the security feature in the image, in particular in the case of a reduced image scale.
- the processor can in particular be designed to overlay the security feature and / or the surrounding document area with a feature image of the security feature, wherein the feature image can be larger than the feature image originally depicted in the image.
- the processor is designed to detect sample pixels in the pixel matrix which have a regularity, repetition, similarity and / or regularities and to detect the security feature on the basis of the sample pixels.
- the processor can be designed to detect the security feature by means of pattern recognition in order to supplement or replace direct detection by means of the wavelength-converting pigment.
- the processor can in particular be designed to compare recorded regularities and / or patterns with known or expected patterns in order to clearly identify the security feature on the basis of the comparison.
- the processor is designed to adapt the color values of the sample pixels in order to highlight the security feature, which is represented by the sample pixels, in the expanded mapping.
- the processor is designed to geometrically transform the mapping in order to generate a plane-parallel representation of the document mapped in the mapping to a representation plane of the image display. In this way, the advantage can be achieved that a perspective image of the document can be corrected in order, in particular, to realize a right-angled representation of the document in the image. In this way, for example, the proportions of components of the document, in particular of written elements and of the security feature, can be converted into an undistorted representation.
- the disclosure relates to a method for capturing an image of a document, the document having a security feature in a local document area which has a wavelength-converting pigment.
- the method comprises illuminating the security feature with illuminating light of a first light wavelength by means of a light generating device in order to stimulate the security feature to emit a light of a second wavelength, and capturing the light emitted by the security feature in response to the illuminating light by means of an image acquisition device in order to map the security feature to obtain.
- the method further comprises capturing the local document area in the image of the document by means of a processor, and displaying the image of the document and an image of the security feature superimposed on the local document area by means of an image display.
- FIG. 1 shows a mobile image processing device in one embodiment.
- the mobile image processing device 100 comprises a light generating device 109 which is designed to provide the security feature 105 with illumination light of a first To illuminate light wavelength in order to stimulate the security feature 105 to emit a light of a second wavelength, and an image capturing device 111 for capturing an image 117 of the document 101, the image capturing device 111 being designed to capture the light emitted by the security feature 105 in response to the illuminating light to obtain an illustration 117 of the security feature 105.
- the mobile image processing device 100 comprises a processor 113, which is designed to capture the local document area 103 in the image 117 of the document 101, and an image display 115, which is designed to overlay the image 117 of the document 101 and one on the local document area 103 Figure 117 of the security feature 105 to be shown.
- the light generating device 109 and / or image capturing device 111 can be arranged on a first device side of the mobile image processing device 100. Furthermore, the image display 115 can be arranged on a second device side facing away from the first device side. The image display 115 can in particular be aligned plane-parallel to an image sensor of the image acquisition device 111 in order to achieve a representation of the image 117 on the image display 115, which corresponds in perspective to the image acquired by the image acquisition device 111.
- a representation of the image 117 on the image display 115 can be implemented in such a way that a viewer of the image display 115 has the impression that he is looking through the mobile image processing device 100 at the document 101, the highlighting of the security feature 105 being implemented in such a way that that the viewer is given the impression that the corresponding marking of the security feature 105 adheres to the real security feature 105 on the document 101.
- an overlay can be adapted in order to reduce a color difference and / or a contrast difference of the overlay in relation to the other mapped document parts.
- the processor 113 can be designed to adapt the superimposition of the security feature 105 in the event of a relative movement between document 101 and image capture device 111 to the resulting new position of the security feature 105, with a latency period between capturing the new position of the security feature 105 and the display of the overlay lies below a perception threshold of the user in order to achieve a representation of the overlay that adheres to the document 101.
- the processor 113 can furthermore be designed to detect the security feature 105 and, with the detection of the security feature 105 in the local document area 103 on the basis of the image 117, insert a note 119 into the image 117, which is designed to be a user of the mobile image processing device 100 to indicate a detection of the security feature 105.
- the processor 113 is designed to identify the document 101 on the basis of the detected security feature 105 and the image 117 of the document 101, the processor 113 also being designed to provide the viewer with identification information based on the identification of the document 101 by means of the indication 119 which indicates the identification of the document 101. Furthermore, if identification is not possible, a corresponding warning can be displayed.
- the processor 113 is designed to distort a feature image in relation to a perspective distorted illustration of the security feature 105, the local document area 103 and / or the document 101 in the image 117 in order to match the perspective illustration of the security feature 105, the local document area 103 and / or of the document 101 in the mapping 117 to generate an adapted feature image.
- the processor 113 is also designed to superimpose the adapted feature image congruently with the security feature 105 in the image 117 in order to highlight the security feature 105 for a viewer.
- the image capturing device 111 is designed to capture light emitted by the security feature 105 and the document 101 in response to the illumination by the light generating device 109 at a predetermined frame rate in order to obtain a plurality of images of the document 101 with the security feature 105.
- the processor 113 is designed to capture the local document area 103 in the first image of the document 101 within a time interval between a first image and a second image of the plurality of images, and the image display 115 is designed within the time interval between the first image and the second figure the first To represent the image of the document 101 with an image of the security feature 105 superimposed on the local document area 103.
- the processor 113 is also designed to detect a screen printing element, which has an effect pigment, an organic or inorganic color pigment and / or a fluorescent printing element, as the security feature 105.
- the processor 113 is designed to detect the security feature 105 on the basis of a feature subarea of the security feature 105 in the image 117, the feature subarea depicting a part of the security feature 105 and being larger than a display area which includes the entire security feature 105 predetermined minimum feature subrange.
- the detected security feature 105 can be compared with a reference image of the security feature 105 by means of the processor 113 in order to verify the document 101 on the basis of the result of the comparison of the security feature 105 with the reference image. Furthermore, the processor 113 is designed to overlay the image 117 with a further indication which has information about the result of the security feature comparison in order to indicate to the user whether the document 101 has been successfully verified. On the basis of the identified security feature 105, the document 101 can be identified by means of the processor 113.
- the image capturing device 111 is further designed to provide the image 117 in the form of a pixel matrix of image points with color values, the processor 113 being designed to generate a feature image in the form of a color adjustment of image points which image the security feature 105 in the image 117 in order to to replace the original pixels with the color-matched pixels and to generate an expanded image, the image display 115 being designed to display the expanded image.
- the processor 113 is further designed to detect sample pixels in the pixel matrix which have a regularity, repetition, similarity and / or regularities and to detect the security feature 105 on the basis of the sample pixels. Furthermore, the color values of the sample pixels can be adapted by means of the processor 113 in order to provide the security feature 105, which is represented by the sample pixels, to be highlighted in the expanded figure.
- the processor 113 is designed to geometrically transform the map 117 in order to generate a plane-parallel representation of the document 101 mapped in the map 117 to a representation plane of the image display 115.
- a curvature of the document 101, an oblique view of the document 101 and / or a wavy, canted and / or kinked shape of the document 101 can be eliminated by means of the transformation in order to achieve a representation of the document 101 without deformation artifacts.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Image Processing (AREA)
- Editing Of Facsimile Originals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019121798.9A DE102019121798A1 (de) | 2019-08-13 | 2019-08-13 | Mobiles Bildverarbeitungsgerät zum Erfassen einer Abbildung eines Dokumentes |
| PCT/EP2020/067443 WO2021028102A1 (de) | 2019-08-13 | 2020-06-23 | Mobiles bildverarbeitungsgerät zum erfassen einer abbildung eines dokumentes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4014209A1 true EP4014209A1 (de) | 2022-06-22 |
| EP4014209B1 EP4014209B1 (de) | 2026-04-15 |
Family
ID=71130983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20734379.9A Active EP4014209B1 (de) | 2019-08-13 | 2020-06-23 | Mobiles bildverarbeitungsgerät zum erfassen einer abbildung eines dokumentes |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4014209B1 (de) |
| DE (1) | DE102019121798A1 (de) |
| WO (1) | WO2021028102A1 (de) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011121566A1 (de) * | 2011-12-20 | 2013-06-20 | Giesecke & Devrient Gmbh | Unterstützung eines Benutzers bei einer Echtheitsüberprüfung einer Banknote |
| DE102018102015A1 (de) * | 2018-01-30 | 2019-08-01 | Bundesdruckerei Gmbh | Verfahren zur Verifikationsprüfung eines Sicherheitsdokuments mit einem gedruckten Sicherheitsmerkmal, Sicherheitsmerkmal und Anordnung zur Verifikation |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011082174A1 (de) * | 2011-09-06 | 2013-03-07 | Bundesdruckerei Gmbh | Vorrichtung zum mobilen Erkennen eines Dokumentes |
| US9672678B2 (en) * | 2015-06-15 | 2017-06-06 | Datalogic Usa, Inc. | Method and system of using image capturing device for counterfeit article detection |
| US10469686B2 (en) * | 2016-09-27 | 2019-11-05 | OCR Labs Pty Ltd | Method and system for validating a hologram on a document |
-
2019
- 2019-08-13 DE DE102019121798.9A patent/DE102019121798A1/de active Pending
-
2020
- 2020-06-23 WO PCT/EP2020/067443 patent/WO2021028102A1/de not_active Ceased
- 2020-06-23 EP EP20734379.9A patent/EP4014209B1/de active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011121566A1 (de) * | 2011-12-20 | 2013-06-20 | Giesecke & Devrient Gmbh | Unterstützung eines Benutzers bei einer Echtheitsüberprüfung einer Banknote |
| DE102018102015A1 (de) * | 2018-01-30 | 2019-08-01 | Bundesdruckerei Gmbh | Verfahren zur Verifikationsprüfung eines Sicherheitsdokuments mit einem gedruckten Sicherheitsmerkmal, Sicherheitsmerkmal und Anordnung zur Verifikation |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2021028102A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102019121798A1 (de) | 2021-02-18 |
| WO2021028102A1 (de) | 2021-02-18 |
| EP4014209B1 (de) | 2026-04-15 |
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