CA2100477A1 - Methode et appareil de detection de documents falsifies - Google Patents
Methode et appareil de detection de documents falsifiesInfo
- Publication number
- CA2100477A1 CA2100477A1 CA002100477A CA2100477A CA2100477A1 CA 2100477 A1 CA2100477 A1 CA 2100477A1 CA 002100477 A CA002100477 A CA 002100477A CA 2100477 A CA2100477 A CA 2100477A CA 2100477 A1 CA2100477 A1 CA 2100477A1
- Authority
- CA
- Canada
- Prior art keywords
- specimen
- light beam
- data
- printed
- lens
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 78
- 230000008569 process Effects 0.000 claims abstract description 32
- 238000007639 printing Methods 0.000 claims abstract description 31
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 238000013528 artificial neural network Methods 0.000 claims description 13
- 238000005286 illumination Methods 0.000 claims 2
- 239000000976 ink Substances 0.000 description 11
- 239000013598 vector Substances 0.000 description 10
- 238000012545 processing Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 230000033458 reproduction Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000007723 transport mechanism Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 229920000914 Metallic fiber Polymers 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- 238000005070 sampling Methods 0.000 description 1
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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
- G07D7/121—Apparatus characterised by sensor details
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002100477A CA2100477A1 (fr) | 1993-07-14 | 1993-07-14 | Methode et appareil de detection de documents falsifies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002100477A CA2100477A1 (fr) | 1993-07-14 | 1993-07-14 | Methode et appareil de detection de documents falsifies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2100477A1 true CA2100477A1 (fr) | 1995-01-15 |
Family
ID=4151928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002100477A Abandoned CA2100477A1 (fr) | 1993-07-14 | 1993-07-14 | Methode et appareil de detection de documents falsifies |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2100477A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2455690C2 (ru) * | 2006-08-18 | 2012-07-10 | Де Ля Рю Интернэшнл Лимитед | Способ и устройство для обнаружения рельефного материала |
-
1993
- 1993-07-14 CA CA002100477A patent/CA2100477A1/fr not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2455690C2 (ru) * | 2006-08-18 | 2012-07-10 | Де Ля Рю Интернэшнл Лимитед | Способ и устройство для обнаружения рельефного материала |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |