WO1997015904A1 - Verfahren zur erkennung und zum überprüfen der echtheit von banknoten sowie einrichtung zur durchführung dieses verfahrens - Google Patents
Verfahren zur erkennung und zum überprüfen der echtheit von banknoten sowie einrichtung zur durchführung dieses verfahrens Download PDFInfo
- Publication number
- WO1997015904A1 WO1997015904A1 PCT/AT1996/000205 AT9600205W WO9715904A1 WO 1997015904 A1 WO1997015904 A1 WO 1997015904A1 AT 9600205 W AT9600205 W AT 9600205W WO 9715904 A1 WO9715904 A1 WO 9715904A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- evaluation
- banknote
- image
- signal
- authenticity
- 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
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
Definitions
- the invention relates to a method for detecting and checking the authenticity of banknotes with an electromagnetic radiation source, and a device for detecting and checking the authenticity of banknotes, in which the banknote is emitted into an electromagnetic radiation source, e.g. Light source is inserted.
- an electromagnetic radiation source e.g. Light source
- banknotes are illuminated in incident light, for example with an ultraviolet light source, in order to enable visual control in this way are known.
- the evaluation is based on the experience of the viewer, depending on the banknote, the focus being on specific, characteristic positions of the banknote suitable for the evaluation.
- a number of devices are known for the automatic evaluation of banknotes, in which the banknotes are passed under a scanner.
- the special evaluation detects a number of criteria oriented towards a specific bank note and is carried out according to a predetermined scheme, so that a separate presetting is required for each bank note.
- Such devices can generally only be used for a small number of different banknotes if the effort for the evaluation should not be too high.
- the invention now aims to provide a method and a device of the type mentioned at the beginning with which a simple adaptation of the recognition to different banknotes is facilitated.
- the invention aims to minimize the detection effort via simple procedures that can be carried out without complex computers so that a rapid and reliable evaluation of a large number of each other is possible different banknotes is possible.
- the method according to the invention is used to achieve this object. Ren for recognizing and checking the authenticity of banknotes essentially characterized in that a black and white image of the irradiated banknote is recorded and that the image is an evaluation of the number, frequency and / or area distribution of at least 32 detected gray levels will throw.
- the device according to the invention for recognizing and checking the authenticity of banknotes in which the banknote is inserted into an electromagnetic radiation source such as a light source, is essentially characterized in that the banknote is guided between a digital camera and a light source and it is detected that the video signal of the image camera is fed to a computer, that at least 32 gray levels in their relative arrangement, frequency and / or area share in the image are subjected to an evaluation and that an evaluation signal for the authenticity of a display and / or Control for the forwarding of the banknote is fed.
- a still image By capturing a banknote carried between a digital camera and a light source, a still image can be are taken, the video signal of the image camera possibly being subjected to a conventional data compression, in particular an image data compression, before further processing.
- the signals to be evaluated in the sequence should contain at least 32 gray levels on the recording side, the video signal being able to be subjected to a corresponding computing operation which can increase the significance of the subsequent evaluation with a correspondingly reduced computing effort.
- the evaluation of the number of gray levels can also take place on the basis of compressed signals, it also being possible to subsequently further evaluate correspondingly coded signals, such as sum signals of the individual pixel information.
- an evaluation signal for the authenticity of a display can be obtained in a very short time and / or a controller for forwarding the banknote.
- the design is advantageously made such that the banknote is kept at a standstill on an illuminated plate during the recording.
- Such a still picture allows any compression and coding before further processing, the reproducibility being independent of the transport speed of the feed or other mechanical parameters in any case.
- the evaluation comprising at least 64, preferably 128 gray levels, the gray level signal advantageously being compared with reference signals in order to quickly follow appropriate results.
- the reference signals can either be supplied externally to the respective computer in the form of data.
- the design can advantageously be made such that the computer has an adaptive learning circuit, in particular an iteration circuit for calibration to a specific bank note, which enables reference signals to be formed by iteration.
- the design can advantageously be such that a difference signal between the image signal and the reference signal is fed to the evaluation circuit.
- the design is such that the electromagnetic steel source is designed as a steel source with short-wave light, UV or X-ray source, which ensures that even with relatively densely printed banknotes there is a maximum of evaluable signals.
- the design preferably being such that the black and white image of the banknote is used for a picture element evaluation e.g. is subject to a "pattern recognition".
- image evaluation programs are used, for example, in connection with the evaluation of satellite images, in which case a high degree of error tolerance is also achieved, since incorrectly read data or disturbances in the image can possibly be compensated for.
- a banknote 1 can be seen on a transparent support 2, the banknote being held at a standstill by a digital camera 3 during the photographic recording.
- the banknote 1 is emitted via a radiation source 4 designed as a light source shines through.
- the signal from the digital camera passes via data lines 5 and a data compressor or data concentrator 6 to a computer 7, in which the corresponding evaluation takes place.
- the digital camera 3 is to record at least 32 gray levels, and when the evaluation confirms the authenticity, a corresponding signal 8 can be actuated to display the authenticity.
- a corresponding lock or a further transport mechanism can also be actuated in order to enable the banknote recognized as genuine to be stored in a corresponding slot for receiving this banknote.
- the light source can be adapted to the particular type of bank notes 1 to be examined. In principle, high-energy, electromagnetic radiation sources are particularly advantageous for densely printed banknotes.
- the digital camera 3 is intended to enable at least 5 band images per second with the desired resolution for rapid and reliable detection.
- the transparent plate 2 can also be replaced by a perforated plate, and can in particular ensure the secure standstill position for fixing the banknotes during the recording by sucking in air through corresponding holes in the plate.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Image Analysis (AREA)
- Image Processing (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU72651/96A AU709677B2 (en) | 1995-10-24 | 1996-10-23 | A method of identifying and authenticating banknotes as well as a device for carrying out said method |
| DK96934173T DK0799460T3 (da) | 1995-10-24 | 1996-10-23 | Fremgangsmåde til detektering og til kontrol af ægtheden af pengesedler samt indretning til gennemførelse af denne fremgangsmåde |
| AT96934173T ATE206545T1 (de) | 1995-10-24 | 1996-10-23 | Verfahren zur erkennung und zum überprüfen der echtheit von banknoten sowie einrichtung zur durchführung dieses verfahrens |
| DE59607830T DE59607830D1 (de) | 1995-10-24 | 1996-10-23 | Verfahren zur erkennung und zum überprüfen der echtheit von banknoten sowie einrichtung zur durchführung dieses verfahrens |
| CZ19971916A CZ290214B6 (cs) | 1995-10-24 | 1996-10-23 | Způsob rozpoznávání a kontroly pravosti bankovek a zařízení pro provádění tohoto způsobu |
| EP96934173A EP0799460B1 (de) | 1995-10-24 | 1996-10-23 | Verfahren zur erkennung und zum überprüfen der echtheit von banknoten sowie einrichtung zur durchführung dieses verfahrens |
| MXPA/A/1997/004692A MXPA97004692A (en) | 1995-10-24 | 1997-06-23 | A method to identify and authenticate tickets as well as the device to carry out this met |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0058095U AT1348U1 (de) | 1995-10-24 | 1995-10-24 | Verfahren zur erkennung und zum überprüfen der echtheit von banknoten sowie einrichtung zur durchführung dieses verfahrens |
| ATGM580/95 | 1995-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1997015904A1 true WO1997015904A1 (de) | 1997-05-01 |
Family
ID=3494349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/AT1996/000205 Ceased WO1997015904A1 (de) | 1995-10-24 | 1996-10-23 | Verfahren zur erkennung und zum überprüfen der echtheit von banknoten sowie einrichtung zur durchführung dieses verfahrens |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0799460B1 (de) |
| AT (2) | AT1348U1 (de) |
| AU (1) | AU709677B2 (de) |
| CA (1) | CA2207924A1 (de) |
| CZ (1) | CZ290214B6 (de) |
| DE (1) | DE59607830D1 (de) |
| DK (1) | DK0799460T3 (de) |
| ES (1) | ES2162100T3 (de) |
| PT (1) | PT799460E (de) |
| WO (1) | WO1997015904A1 (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2149457C1 (ru) * | 1999-04-27 | 2000-05-20 | Акционерное общество закрытого типа "ЛИТЭКС" | Способ маркирования и устройство идентификации изделий |
| WO2003081542A1 (fr) * | 2002-03-25 | 2003-10-02 | Dongshan Bao | Appareil d'essai multiple pour billets de banque a haute technologie |
| US6761257B2 (en) | 1999-02-10 | 2004-07-13 | Scan Coin Industries Ab | Coin discriminating device, coin handling apparatus including such a device, and coin discriminating method |
| EP1134704A4 (de) * | 1998-11-27 | 2005-02-09 | Nittetsu Mining Co Ltd | Echtheit/verfälschungsprüfverfahren, -gegenstand sowie -vorrichtung |
| CN113379961A (zh) * | 2021-06-10 | 2021-09-10 | 广州市银科电子有限公司 | 钞票及票证辅助鉴别方法、装置、设备和存储介质 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208652A (en) * | 1978-09-14 | 1980-06-17 | A. C. Nielsen Company | Method and apparatus for identifying images |
| US4557596A (en) * | 1981-07-30 | 1985-12-10 | Gao Gesellschaft Fur Automation Und Organisation Mbh | Method of screening half-tone picture themes |
| US5020110A (en) * | 1988-02-17 | 1991-05-28 | Inter Innovation Ab | Arrangement for checking documents |
| EP0522769A1 (de) * | 1991-07-01 | 1993-01-13 | Canon Kabushiki Kaisha | Bildverarbeitungsgerät |
| US5363949A (en) * | 1991-12-18 | 1994-11-15 | Nec Corporation | Bill recognizing apparatus |
-
1995
- 1995-10-24 AT AT0058095U patent/AT1348U1/de not_active IP Right Cessation
-
1996
- 1996-10-23 WO PCT/AT1996/000205 patent/WO1997015904A1/de not_active Ceased
- 1996-10-23 DK DK96934173T patent/DK0799460T3/da active
- 1996-10-23 PT PT96934173T patent/PT799460E/pt unknown
- 1996-10-23 DE DE59607830T patent/DE59607830D1/de not_active Revoked
- 1996-10-23 AU AU72651/96A patent/AU709677B2/en not_active Ceased
- 1996-10-23 CZ CZ19971916A patent/CZ290214B6/cs not_active IP Right Cessation
- 1996-10-23 EP EP96934173A patent/EP0799460B1/de not_active Revoked
- 1996-10-23 ES ES96934173T patent/ES2162100T3/es not_active Expired - Lifetime
- 1996-10-23 AT AT96934173T patent/ATE206545T1/de not_active IP Right Cessation
- 1996-10-23 CA CA002207924A patent/CA2207924A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208652A (en) * | 1978-09-14 | 1980-06-17 | A. C. Nielsen Company | Method and apparatus for identifying images |
| US4557596A (en) * | 1981-07-30 | 1985-12-10 | Gao Gesellschaft Fur Automation Und Organisation Mbh | Method of screening half-tone picture themes |
| US5020110A (en) * | 1988-02-17 | 1991-05-28 | Inter Innovation Ab | Arrangement for checking documents |
| EP0522769A1 (de) * | 1991-07-01 | 1993-01-13 | Canon Kabushiki Kaisha | Bildverarbeitungsgerät |
| US5363949A (en) * | 1991-12-18 | 1994-11-15 | Nec Corporation | Bill recognizing apparatus |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1134704A4 (de) * | 1998-11-27 | 2005-02-09 | Nittetsu Mining Co Ltd | Echtheit/verfälschungsprüfverfahren, -gegenstand sowie -vorrichtung |
| US6987868B1 (en) | 1998-11-27 | 2006-01-17 | Nittetsu Mining Co., Ltd. | Genuine/counterfeit discriminating method, genuine/counterfeit discrimination object, and genuine/counterfeit discriminating device |
| US6761257B2 (en) | 1999-02-10 | 2004-07-13 | Scan Coin Industries Ab | Coin discriminating device, coin handling apparatus including such a device, and coin discriminating method |
| RU2149457C1 (ru) * | 1999-04-27 | 2000-05-20 | Акционерное общество закрытого типа "ЛИТЭКС" | Способ маркирования и устройство идентификации изделий |
| WO2003081542A1 (fr) * | 2002-03-25 | 2003-10-02 | Dongshan Bao | Appareil d'essai multiple pour billets de banque a haute technologie |
| CN113379961A (zh) * | 2021-06-10 | 2021-09-10 | 广州市银科电子有限公司 | 钞票及票证辅助鉴别方法、装置、设备和存储介质 |
| CN113379961B (zh) * | 2021-06-10 | 2022-04-05 | 广州市银科电子有限公司 | 钞票及票证辅助鉴别方法、装置、设备和存储介质 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU7265196A (en) | 1997-05-15 |
| AT1348U1 (de) | 1997-03-25 |
| MX9704692A (es) | 1997-10-31 |
| DE59607830D1 (de) | 2001-11-08 |
| EP0799460B1 (de) | 2001-10-04 |
| CA2207924A1 (en) | 1997-05-01 |
| AU709677B2 (en) | 1999-09-02 |
| CZ191697A3 (en) | 1997-10-15 |
| ATE206545T1 (de) | 2001-10-15 |
| EP0799460A1 (de) | 1997-10-08 |
| DK0799460T3 (da) | 2001-12-31 |
| CZ290214B6 (cs) | 2002-06-12 |
| PT799460E (pt) | 2002-01-30 |
| ES2162100T3 (es) | 2001-12-16 |
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