EP1504406A2 - Authentifizierung mit biometriedaten - Google Patents
Authentifizierung mit biometriedatenInfo
- Publication number
- EP1504406A2 EP1504406A2 EP03735280A EP03735280A EP1504406A2 EP 1504406 A2 EP1504406 A2 EP 1504406A2 EP 03735280 A EP03735280 A EP 03735280A EP 03735280 A EP03735280 A EP 03735280A EP 1504406 A2 EP1504406 A2 EP 1504406A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- finger
- authentication
- feature data
- biometric data
- characteristic data
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1382—Detecting the live character of the finger, i.e. distinguishing from a fake or cadaver finger
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1347—Preprocessing; Feature extraction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
Definitions
- the invention relates to a method according to the preamble of patent claim 1.
- the traces left on the sensor surface during the normal use of capacitive fingerprint sensors can in some cases generate an afterimage of the fingerprint by suitable manipulation. This can be of such a high quality that it is accepted by the image processing and provides evaluable features. Under certain circumstances, these can correspond to the last finger applied and lead to false acceptance.
- the feature lists of successively recorded fingerprints must not exceed a certain degree of similarity. For example, it is required that images must differ by a minimum in terms of translation and twisting. Together with suitable user guidance, the user is always presented with the finger in a new position for each request process.
- the main memory and local periphery of a data processing device serve as the memory for the most recently determined feature lists of the sensor.
- the object of the invention is to improve the latency image rejection in an authentication method mentioned at the beginning.
- FIG. 1 shows the process sequence according to the invention
- FIG. 2 shows a variant for determining the position of a fingerprint.
- the authentication method according to the invention is based on the principle shown in FIG. 1, in which, after recognition, one and the same finger is repeatedly presented until there are sufficient differences in the relative orientation.
- phase P1 feature data are extracted from the recorded fingerprint image and, depending on the scenario, compared with an individual reference, in a verification, or an archive of references, in an identification.
- a capacitive fingerprint sensor is used to record the fingerprint.
- the system changes to phase P2.
- the above-mentioned steps are carried out cyclically until the relative offset (dx, dy) and / or the relative rotation d ⁇ exceed predetermined minimum values or a timeout, that is to say a timeout occurs.
- phase P2 can always be carried out as a verification due to the knowledge of the identity in question.
- Phase P2 is therefore independent of the archive size. This is particularly the case with less powerful hardware, for example with embedded systems. advantageous in that real-time responsiveness seems essential for usability.
- a first variant provides for a direct connection between the recorded request prints and the characteristic data obtained from them.
- a second variant consists in projecting a fixed point on the sensor, such as the sensor center point provided with a directional arrow, into the coordinate system of the reference and evaluating the relative orientation in the reference space.
- the second variant is to be classified as more general, since it also works with a larger offset, while in the first variant it may no longer be possible to establish a reference. However, in the absence of any reference, a sufficient offset can be assumed.
- SDC Shifted Double Click ⁇
- SDC Shifted Double Click
- a non-volatile stored latency template of the last determined characteristics On the one hand, with SDC it is no longer necessary to permanently store a latency template. This is particularly advantageous in the case of client server applications, where, in view of the large number of terminal devices operated simultaneously, there is no need to manage the individual latency templates. For security reasons, too, it seems cheaper to leave no traces with regard to the last detection process. Furthermore, with SDC, the sequence of movements becomes a fixed part of the recognition process and therefore more familiar to the user than sporadic requests to put the finger on again.
- the method according to the invention helps to reduce the risk of incorrect acceptance by an unauthorized user.
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Collating Specific Patterns (AREA)
- Image Input (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10221422A DE10221422A1 (de) | 2002-05-14 | 2002-05-14 | Authentifizierung mit Biometriedaten |
DE10221422 | 2002-05-14 | ||
PCT/DE2003/001445 WO2003096260A2 (de) | 2002-05-14 | 2003-05-06 | Authentifizierung mit biometriedaten |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1504406A2 true EP1504406A2 (de) | 2005-02-09 |
Family
ID=29413806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03735280A Withdrawn EP1504406A2 (de) | 2002-05-14 | 2003-05-06 | Authentifizierung mit biometriedaten |
Country Status (6)
Country | Link |
---|---|
US (1) | US20050129289A1 (de) |
EP (1) | EP1504406A2 (de) |
JP (1) | JP2005525643A (de) |
CN (1) | CN1653482A (de) |
DE (1) | DE10221422A1 (de) |
WO (1) | WO2003096260A2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007022636A1 (de) * | 2007-05-15 | 2008-11-20 | Siemens Ag Österreich | Verfahren und biometrisches System zum Erkennen von Latenzabdrücken |
US8605959B2 (en) * | 2008-12-22 | 2013-12-10 | International Business Machines Corporation | Apparatus, system, and method for sequenced biometric authentication |
DE102011111840A1 (de) * | 2011-08-27 | 2013-09-26 | Désirée Werner | Der mobile Autodiebstahl-Sicherungsscanner (Fingerscanner) |
WO2020053610A1 (en) | 2018-09-14 | 2020-03-19 | SOLOVEV, Sergei, Vladimirovich | A method for automatic contactless authentication |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5956415A (en) * | 1996-01-26 | 1999-09-21 | Harris Corporation | Enhanced security fingerprint sensor package and related methods |
CA2273560A1 (en) * | 1998-07-17 | 2000-01-17 | David Andrew Inglis | Finger sensor operating technique |
US6535622B1 (en) * | 1999-04-26 | 2003-03-18 | Veridicom, Inc. | Method for imaging fingerprints and concealing latent fingerprints |
US7054470B2 (en) * | 1999-12-02 | 2006-05-30 | International Business Machines Corporation | System and method for distortion characterization in fingerprint and palm-print image sequences and using this distortion as a behavioral biometrics |
SE519694C2 (sv) * | 2000-04-28 | 2003-04-01 | Precise Biometrics Ab | Kontroll av fingeravtryck |
-
2002
- 2002-05-14 DE DE10221422A patent/DE10221422A1/de not_active Withdrawn
-
2003
- 2003-05-06 US US10/514,573 patent/US20050129289A1/en not_active Abandoned
- 2003-05-06 EP EP03735280A patent/EP1504406A2/de not_active Withdrawn
- 2003-05-06 CN CNA038108194A patent/CN1653482A/zh active Pending
- 2003-05-06 JP JP2004504173A patent/JP2005525643A/ja not_active Withdrawn
- 2003-05-06 WO PCT/DE2003/001445 patent/WO2003096260A2/de not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO03096260A2 * |
Also Published As
Publication number | Publication date |
---|---|
JP2005525643A (ja) | 2005-08-25 |
WO2003096260A3 (de) | 2004-01-15 |
WO2003096260A2 (de) | 2003-11-20 |
DE10221422A1 (de) | 2003-12-04 |
US20050129289A1 (en) | 2005-06-16 |
CN1653482A (zh) | 2005-08-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20041029 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: MARIUS, WOLFGANG Inventor name: BIRCHBAUER, JOSEF Inventor name: RAUNEGGER, ARNO |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20071201 |