EP2984635A1 - Système de prise d'images pour la prise d'images de caractéristiques d'un document d'identification - Google Patents

Système de prise d'images pour la prise d'images de caractéristiques d'un document d'identification

Info

Publication number
EP2984635A1
EP2984635A1 EP14703810.3A EP14703810A EP2984635A1 EP 2984635 A1 EP2984635 A1 EP 2984635A1 EP 14703810 A EP14703810 A EP 14703810A EP 2984635 A1 EP2984635 A1 EP 2984635A1
Authority
EP
European Patent Office
Prior art keywords
image
illumination
light
wavelength range
image pickup
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.)
Ceased
Application number
EP14703810.3A
Other languages
German (de)
English (en)
Inventor
Uwe Rabeler
Andreas Wolf
Marcel Thater
Matthias Walden
Andreas Schüring
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bundesdruckerei GmbH
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 EP20166416.6A priority Critical patent/EP3693934B1/fr
Priority to EP20166419.0A priority patent/EP3690830B1/fr
Publication of EP2984635A1 publication Critical patent/EP2984635A1/fr
Ceased legal-status Critical Current

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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/06—Special arrangements of screening, diffusing, or reflecting devices, e.g. in studio
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/141—Control of illumination
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/143—Sensing or illuminating at different wavelengths
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/147—Details of sensors, e.g. sensor lenses
    • 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
    • G07D7/0032—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 using holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2244—Means for detecting or recording the holobject
    • G03H2001/2247—Means for detecting or recording the holobject for testing the hologram or holobject
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/16—Image acquisition using multiple overlapping images; Image stitching

Definitions

  • Image recording system for image acquisition of a feature of a
  • the present invention relates to the field of optical image sensing.
  • reference features or reference data of these identification documents are usually recorded.
  • the reference features or reference data are available only rarely and at unpredictable times for their detection.
  • once acquired reference features or reference data should also be able to be used for future testing equipment that is not yet available at the time of acquisition.
  • the reference features or reference data in reproducible quality with respect to color space, magnification and distortion are captured by image capturing.
  • the image recordings are done by means of conventional image recording systems, for example by means of so-called reprotician.
  • These imaging systems have variable adjustment options for the lighting fixtures and their position and include a high-resolution camera.
  • the lighting fixtures must be adjusted manually depending on the type of recording.
  • it In order to completely capture reference features or reference data with these image acquisition systems, it usually takes several hours to days. In the case of repeated detection of the reference features or reference data, these are also difficult or impossible to reproduce with regard to position and illumination.
  • the present invention is based on the realization that the above object can be achieved by an image acquisition system with which the identification document arranged on a document support can be illuminated from different illumination angles.
  • illumination angle-dependent image recordings of the identification document with the feature can be generated in one operation. This is advantageous, in particular, in the case of features which illumination angles have dependent representations and are formed, for example, in an iridescent manner or by holograms.
  • the invention relates to an image acquisition system for imaging a feature of an identification document with illumination angle dependent representations, with a document support for the identification document, a lighting device for illuminating the document support from different illumination angles, and an image acquisition camera for the illumination angle dependent image acquisition of the feature.
  • the lighting device is formed, for example, the example
  • Identification document lighting angle can be illuminated depending on.
  • the feature may be a hologram or have iridescent properties, so that depending on the angle of illumination or light incidence angle different representations of the feature arise, for example by reflection.
  • the feature of the identification document may moreover be an optical one
  • Be security feature which is visible when irradiated with light, such as infrared light, ultraviolet light or white, visible light, and reflect the light in the respective wavelength range, re-emit, emit or for the emission of light in the respective wavelength range, for example by fluorescence excited can be.
  • the image recording system makes it possible to use different illumination angle-dependent representations of the feature with permanently preset acquisition parameters, for example focal length, contrast, brightness or sharpness, quickly and in one
  • the image recording system can be used, for example, as a reference image recording system for the reference image recording of reference features, for example of
  • the image-taking cameras may each comprise electronic image sensors, for example CCD image sensors, for the image recordings.
  • the image recordings can, according to one embodiment, be reproducible, ie lead to the same results in any repetition, even if another testing device or verification device of the same design is used.
  • the image recordings can be calibrated, that is, color management, equalization, brightness correction and white balance can be performed in a defined and reproducible manner.
  • the recording time can be short and, depending on the data volume to be acquired, can not exceed 5-10 minutes.
  • all reference features or reference data for example optical security features of an identification document, can be detected, even if these are not known to the recipient.
  • the image acquisition system enables an automatic workflow for short acquisition times or image acquisition times.
  • the acquisition or image acquisition of reference features or reference data can therefore be carried out automatically, according to one embodiment.
  • templates for capture and / or image capture may be provided.
  • templates or templates for the image recording camera or camera as well as the illumination can be used.
  • the image recording system can thus, according to one embodiment, comprise a calibrated recording system or image recording system with standardized illumination and recording profiles or image recording profiles.
  • calibrated images or images with white balance, brightness and distortion correction can be recorded.
  • a continuous color management for example in the RGB color space, can be applied.
  • a complete acquisition or image acquisition of up to one hundred reference features or reference data can be performed daily.
  • a central database with Web or Internet-based deep-zoom access can be used.
  • a deep-zoom viewing of the images or image recordings can be performed. The deep-zoom view allows an electronic magnifier with 2500 DPI for high-resolution detail shots to be accomplished.
  • the image pickup system may, according to one embodiment, be housed in a portable, impact resistant and dustproof housing.
  • the imaging system may also have, according to one embodiment, a removable housing cover to adjust the working height.
  • the imaging system according to one embodiment may have a removable trolley for easy transportation.
  • Lamp and tube replacement may, in one embodiment, be performed by an extendable optical unit.
  • the identification document may be one of the following identification documents: identity document, such as identity card, passport, access control card,
  • Authorization card company card, tax stamp or ticket
  • the identification document may further comprise an electronically readable circuit, for example an RFID chip.
  • the identification document can be single-layered or multi-layered or paper and / or plastic-based.
  • the identification document can be constructed from plastic-based films which are joined together to form a card body by means of gluing and / or lamination, the films preferably having similar material properties.
  • the illumination device is formed, the
  • Document overlay to be sequentially illuminated from different illumination angles.
  • multiple illumination angle-dependent image recordings of the feature can be created in one operation.
  • the illumination device comprises a plurality of light element arrangements, each having at least one or more light elements, wherein the light element arrangements are configured, light from different illumination angles, in particular from an illumination angle of 10 °, 30 °, 50 ° or 70 °, in the direction of To send document edition.
  • the light element may comprise groups of LEDs or lamps, each arranged in the same plane.
  • the groups of LEDs or lamps can each be arranged in the same plane, for example in a bar, wherein the surface normals of the bars at different illumination angles, for example the
  • the illumination device comprises a
  • Light element arrangement pivotally, in particular by means of an actuator pivotally mounted to light from different angles of illumination, in particular from an illumination angle of 10 °, 30 °, 50 ° or 70 °, in the direction of To send document edition.
  • the light element may, for example, have a plurality of LEDs or lamps arranged in the same plane.
  • the light element arrangement is designed to generate light in a first wavelength range, wherein the illumination device has a second light element arrangement for generating light in a second wavelength range
  • Wavelength range includes. In this way, different features of the identification document can be recorded efficiently when illuminated with light of different wavelengths.
  • Wavelength range at least partially different.
  • the first wavelength range and the second wavelength range may be selected from the following wavelength ranges: infrared wavelength range, ultraviolet wavelength range, white light wavelength range, halogen wavelength range.
  • the image acquisition system comprises a second one
  • the second image recording camera can record image recordings in a wavelength range in which the
  • Imaging camera is not or insufficiently receptive.
  • Imaging camera and / or the second imaging camera may be arranged stationary in the image recording system.
  • Image recording camera for image recording at different illumination angles or in different wavelength ranges provided.
  • image recordings in a first wavelength range and with the second image recording camera image recordings a second wavelength range can be effected.
  • different features with wavelength-dependent properties such as reflections or remissions, can be visualized and recorded with the same system.
  • Image recording camera at an angle to each other, in particular at an angle of 90 ° within an angular tolerance range, for example 1 °, 2 °, 5 ° or 10 °. It is thus achieved that the image recording cameras point in different optical directions, which facilitates a separation of light fractions determined for the respective image recording camera, for example by means of a semitransparent mirror.
  • an optical element is arranged below the document support, which is intended to direct a first portion of the incident light to the image-taking camera, and to direct a second portion of the incident light to the second image-recording camera.
  • the optical element can be connected between the image-taking camera and the
  • the optical element may further be configured to receive incident light in the first
  • Image capture camera to reflect.
  • the optical element may further divide a space below the document support diagonally into a first subspace and into a second subspace, wherein the image sensing camera is disposed in the first subspace, and wherein the second image sensing camera is disposed in the second subspace.
  • the image capture camera comprises a first optical filter for attenuating light in the second wavelength range
  • the second image capture camera comprises a second optical filter for attenuating light in the first wavelength range
  • the image acquisition system is designed to automatically generate a plurality of image recordings at different illumination angles or in different wavelength ranges in one operation. In this way, efficient image acquisition of multiple illumination angles becomes more dependent or
  • the image acquisition system is a
  • Reference image recording system for reference image recording of reference features.
  • the reference images and / or the reference features can, for example, in a
  • the document support is transparent to light and intended to receive the identification document, wherein the image acquisition camera is designed to record the light originating from the identification document in an image acquisition series in response to illumination at different illumination angles.
  • the image acquisition system further comprises a processor, which is configured to illuminate the illumination angle-dependent or wavelength-dependent illumination of the illumination angle
  • the processor can be used for the execution of a
  • Control program for automated image acquisition in a single operation be designed.
  • Light elements and / or light element arrangements as well as the automated triggering of the image recordings and / or image acquisition series be provided.
  • the invention relates to a method for
  • Identification document with illumination angle dependent representations wherein the Identification document can be placed on a document support, with illumination of the document support from different illumination angles, and generating a plurality of illumination angle-dependent image recordings of the feature.
  • the method can be realized, for example, with the image recording system. Further features of the method emerge directly from the functional features of the image recording system.
  • FIG. 1 is a sectional view of an image pickup system according to an embodiment
  • FIG. 2 is a sectional view of an image pickup system according to an embodiment
  • FIG. 3 is an overall view of an image pickup system according to an embodiment
  • FIG. 4 is an overall view of an image pickup system according to an embodiment
  • FIG. 5 is a plan view of an image pickup system according to an embodiment
  • FIG. 6 is a bottom view of an image pickup system according to an embodiment
  • FIG. FIG. 7 is an interior view of an image pickup system according to an embodiment
  • FIG. 8 is an interior view of an image pickup system according to an embodiment
  • 9 is a sectional view of an image pickup system according to an embodiment
  • FIG. 10 is a flowchart of a method for illumination angle dependent image acquisition of a feature of an identification document
  • FIG. 1 1 is a flowchart of a method for the automated detection of documents.
  • FIG. 1 is a sectional view of an image pickup system 100 according to an embodiment.
  • the image recording system 100 comprises a document support 101 and an image recording camera 103 and optionally a second image recording camera 105.
  • an optical element 107 is shown.
  • the image recording system 100 comprises a plurality of light element arrangements 109, 11 1, 13, 15, 17, 19, 121, 123, in particular a first light element arrangement 109, a second light element arrangement 11, a third light element arrangement 1 13, a fourth light element arrangement 1 15, a fifth light element arrangement 1 17, a sixth light element arrangement 1 19, a seventh light element arrangement 121 and an eighth light element arrangement 123.
  • the light element arrangements 109, 11 1, 13, 15, 17, 19, 121 and 123 form in this embodiment, a lighting device 125 for illuminating the document support 101 from different angles of illumination.
  • the document support 101 may, for example, be light-transparent and provided for receiving the identification document. According to one embodiment, a reproducible recording and positioning of the identification document can thus be ensured.
  • the image pickup camera 103 may include electronic image sensors, such as CCD image sensors, for image capturing.
  • the imaging camera 103 may also be configured to detect light in a first wavelength range.
  • the image recording camera 103 is thus provided for the illumination angle-dependent image acquisition of a feature of an identification document.
  • the image capture camera 103 is a white light camera or a visible light spectrum camera.
  • the second imaging camera 105 may also include electronic image sensors, such as CCD image sensors, for imaging.
  • the second imaging camera 105 may also be designed to detect light in a second wavelength range.
  • the second imaging camera 105 is thus also for the illumination angle dependent image acquisition of a feature of a Identification document provided.
  • the second imaging camera 105 is an infrared camera or an infrared camera.
  • the optical element 107 is provided to direct a first portion of the incident light to the image pickup camera 103, and to direct a second portion of the incident light to the second image pickup camera 105.
  • the optical element 107 is configured to transmit incident light in the first wavelength range towards the imaging camera 103, and to reflect incident light in the second wavelength range towards the second imaging camera 105.
  • the optical element 107 is a semitransparent mirror or a semitransparent mirror.
  • the first light element arrangement 109 serves, for example, for illuminating the document support 101 at a predetermined illumination angle.
  • the first light element array 109 emits light from a first wavelength range.
  • the first light element arrangement 109 is a grazing light module at an illumination angle of 10 °.
  • the second light element arrangement 1 1 1 serves, for example, to illuminate the document support 101 at a predetermined illumination angle.
  • the second light element arrangement 1 1 1 emits light from a first wavelength range.
  • the second light element arrangement 1 1 1 1 is a solid angle light module at an illumination angle of 30 °.
  • the third light element arrangement 1 13 serves, for example, to illuminate the document support 101 at a predetermined illumination angle. According to one embodiment, the third light element arrangement 1 13 emits light from a first wavelength range. According to one embodiment, the third light element arrangement 1 13 is a solid angle light module at an illumination angle of 50 °.
  • the fourth light element arrangement 1 15 serves, for example, for illuminating the document support 101 at a predetermined illumination angle. According to one embodiment, the fourth light element arrangement 1 15 emits light from a first wavelength range. According to one embodiment, the fourth light-element arrangement 1 15 is a solid-angle light module at an illumination angle of 70 °.
  • the fifth light element arrangement 1 17 serves, for example, to illuminate the document support 101 at a predetermined illumination angle. According to one embodiment, the fifth light element arrangement 1 17 emits light from a first wavelength range. According to one embodiment, the fifth light element arrangement 1 17 is a halogen lamp or a halogen illumination.
  • the sixth light element arrangement 1 19 serves, for example, to illuminate the document support 101 at a predetermined illumination angle. According to one embodiment, the sixth light element arrangement 1 19 emits light from a second wavelength range. According to one embodiment, the sixth light element arrangement 1 19 is an infrared LED or an infrared light module.
  • the seventh light element arrangement 121 serves, for example, for illuminating the document support 101 at a predetermined illumination angle.
  • the seventh light element array 121 emits light from a first wavelength range.
  • the seventh light element array 121 is an ultraviolet (UV) A LED or ultraviolet (UV) A tube.
  • the eighth light element arrangement 123 serves, for example, for illuminating the document support 101 at a predetermined illumination angle.
  • the eighth light element array 123 emits light from a first wavelength range.
  • the eighth light element array 123 is an ultraviolet (UV) B LED and / or an ultraviolet (UV) B tube and / or an ultraviolet (UV) C LED and an ultraviolet (UV) C tube, respectively.
  • the light element arrangements 109, 11, 1, 13, 15, 17, 19, 121 and 123 form, according to one embodiment, a lighting device 125 for illuminating the document support 101 from different illumination angles.
  • At least one of the aforementioned light element arrangements 109, 11 1, 13, 15, 17, 19, 121 and / or 123 can be arranged to be pivotable.
  • an adjustment of the different illumination angles can be effected.
  • illumination angles of 10 °, 30 °, 50 ° and / or 70 ° in the direction of the document support 101 can thereby be set.
  • one of the aforementioned light element arrangements 109, 11 1 1, 13 1, 15, 17, 19, 121 and / or 123 can be pivotably arranged by means of an actuator.
  • the image pickup system 100 may comprise only one of the light element arrangements 109, 11 1, 13, 15, 17, 19, 121 and / or 123, which may be arranged or mounted in a pivotable manner, for example by means of the actuator.
  • the acquisition of reference features or reference data can be automated by the image acquisition system 100.
  • the image acquisition system 100 provides calibrated, brightness and geometry corrected images in a defined color space.
  • the detection time of reference features or reference data may be twenty to one hundred times as fast as in previous manual acquisition with a conventional image acquisition system, for example by means of a replay.
  • light element arrangements can be integrated according to all common types of lighting.
  • lighting element arrangements can be retrofitted according to other types of lighting.
  • the optics can work distortion-free.
  • the use of two image recording cameras enables the image recordings to be in focus both in the infrared wavelength range and in the white light wavelength range without the need for a focus change.
  • the image acquisition system 100 may thus, according to one embodiment, enable a partially automated, calibrated and reproducible acquisition of, for example, up to one hundred identification documents with reference features or reference data daily.
  • a separation of reference feature detection or reference data acquisition and test system development can be achieved for the first time.
  • the achievable quality of a test system can be increased.
  • cost can be saved by only recording once for different test systems.
  • the image recording system 100 can thus, according to one embodiment, enable image acquisition of a feature of an identification document with depictions that are dependent on illumination angles in a single operation without exchanging individual components.
  • the image acquisition system 100 may, according to one embodiment, be characterized by a plurality of technical data.
  • the optical resolution in white light (WL) may, according to one embodiment, be 1018 DPI.
  • the infrared (IR) optical resolution may, according to one embodiment, be 850 DPI.
  • the imaging system 100 may, according to one embodiment, use reflected light in the ultraviolet (UV) A, B and C wavelength range, in the infrared (IR) wavelength range at 850 nm and 890 nm, in the halogen wavelength range and in the white light wavelength range.
  • the image capture system 100 may employ, for example, grazing light or a white light LED at an illumination angle of greater than 10 ° from more than 8 directions.
  • the imaging system 100 may employ solid angle light or a white light LED at illumination angles greater than 10 °, 30 °, 50 °, and 70 ° from more than 4 directions, respectively.
  • the image acquisition system 100 may have a transmitted light attachment with white light LEDs and / or ultraviolet (UV) A LEDs.
  • FIG. 2 is a sectional view of an image pickup system 100 according to an embodiment. The image recording system 100 is here shown pivoted.
  • FIG 3 shows an overall view of an imaging system 100 according to an embodiment.
  • the image recording system 100 is shown here in section.
  • FIG. 4 shows an overall view of an imaging system 100 according to one embodiment.
  • the image recording system 100 is shown here in a closed form.
  • 5 shows a top view of an image acquisition system 100 according to an embodiment.
  • the top view or top view represents a view from above.
  • FIG. 6 shows a bottom view of an imaging system 100 according to one embodiment.
  • the bottom view represents a view from below.
  • FIG. 7 shows an interior view of an imaging system 100 according to one embodiment.
  • a microswitch 701 is provided for monitoring the lid position.
  • 8 shows an interior view of an imaging system 100 according to one embodiment.
  • a first light element array 109 and a second light element array 1 1 1 are provided.
  • a microswitch 701 is provided for monitoring the lid position. In order to avoid shadows, the microswitch 701 is located outside the working area.
  • the microswitch 701 shown in FIGS. 7 and 8 may, for example, initiate an automated operation, in which a plurality of image recordings and / or image acquisition series are automatically generated at different illumination angles and / or in different wavelength ranges.
  • the microswitch 701 may also initiate, for example, the method 1000 for image-dependent illumination of a feature of an identification document with illumination angle-dependent representations.
  • the microswitch 701 may, for example, begin to automatically perform an image capture and / or display image series.
  • the microswitch 701 may cause, for example, a shutdown of the imaging system 100.
  • FIG. 9 is a sectional view of an image pickup system 100 according to an embodiment.
  • the image recording system 100 is here shown pivoted.
  • FIG. 10 shows a flow diagram of a method 1000 for illumination angle-dependent image acquisition of a feature of an identification document with illumination angle-dependent representations.
  • the method 1000 may include a step of illuminating 1001 the document support (101) from different illumination angles.
  • the method 1000 may include a step of generating 1003 a plurality of illumination angle-dependent image recordings of the feature.
  • Fig. 1 1 shows a flowchart of a method 1 100 for the automated detection of documents.
  • the method 1 100 may include a step of applying 1 101 an order, a step of executing 1 103 an order and a step of storing 1 105. By creating 1 101 an order for the automated recording of documents to be detected features, such as an identification document, can be defined.
  • the application 1 101 of an order for example, using a computer and a reader, for example, for identification documents, are performed.
  • Execution 1 103 of the order can be carried out, for example, by means of the image acquisition system 100.
  • the features to be detected, the image recordings and / or the image acquisition series can be recorded.
  • the features to be detected, the image recordings and / or the image acquisition series can be stored, for example, in a database or a server.
  • the method 1 100 can be coordinated by a work order or contract.
  • a work order or contract for example, the detection of a document and the filing, for example, the features to be detected, the image recordings and / or the Imaging series to be controlled in the database.
  • This process can be done partially automated for machine-readable documents, for example.
  • existing work orders for example, can be used as templates or templates.
  • a standardized image recording camera or camera and lighting profiles can be used for data acquisition.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Vascular Medicine (AREA)
  • Computer Security & Cryptography (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Studio Devices (AREA)
  • Image Input (AREA)

Abstract

Système de prise d'images (100) pour la prise d'images d'une caractéristique d'un document d'identification à représentations différentes en fonction de l'angle d'éclairage, qui comporte un support (101) pour le document d'identification, un dispositif d'éclairage (125) destiné à éclairer le support (101) de document à partir d'angles d'éclairage différents, et une caméra de prise d'images (103) pour la prise d'images de la caractéristique, en fonction de l'angle d'éclairage.
EP14703810.3A 2013-04-09 2014-02-06 Système de prise d'images pour la prise d'images de caractéristiques d'un document d'identification Ceased EP2984635A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20166416.6A EP3693934B1 (fr) 2013-04-09 2014-02-06 Système d'enregistrement les images d'une caractéristique d'un document d'identification
EP20166419.0A EP3690830B1 (fr) 2013-04-09 2014-02-06 Système d'enregistrement d'images destiné à l'enregistrement d'images d'une caractéristique d'un document d'identification

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013103522.1A DE102013103522A1 (de) 2013-04-09 2013-04-09 Bildaufnahmesystem zur Bildaufnahme eines Merkmals eines Identifikationsdokumentes
PCT/EP2014/052305 WO2014166649A1 (fr) 2013-04-09 2014-02-06 Système de prise d'images pour la prise d'images de caractéristiques d'un document d'identification

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EP20166416.6A Division EP3693934B1 (fr) 2013-04-09 2014-02-06 Système d'enregistrement les images d'une caractéristique d'un document d'identification

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IT202000022453A1 (it) * 2020-09-23 2022-03-23 Andrea Vitaletti Sistema di conversione di immagini in spettro sonoro;

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Publication number Publication date
EP3690830B1 (fr) 2024-08-21
EP3693934B1 (fr) 2024-04-03
EP3693934A1 (fr) 2020-08-12
CN105122314A (zh) 2015-12-02
EP3690830A1 (fr) 2020-08-05
DE102013103522A1 (de) 2014-10-09
WO2014166649A1 (fr) 2014-10-16

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