KR20070096739A - 지문 인증 장치 및 정보 처리 장치 - Google Patents
지문 인증 장치 및 정보 처리 장치 Download PDFInfo
- Publication number
- KR20070096739A KR20070096739A KR1020060066261A KR20060066261A KR20070096739A KR 20070096739 A KR20070096739 A KR 20070096739A KR 1020060066261 A KR1020060066261 A KR 1020060066261A KR 20060066261 A KR20060066261 A KR 20060066261A KR 20070096739 A KR20070096739 A KR 20070096739A
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- South Korea
- Prior art keywords
- fingerprint
- finger
- sensitivity
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- fingerprint image
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- 230000010365 information processing Effects 0.000 title claims abstract description 13
- 230000035945 sensitivity Effects 0.000 claims abstract description 173
- 210000004243 sweat Anatomy 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims description 29
- 238000010586 diagram Methods 0.000 description 19
- 238000012545 processing Methods 0.000 description 19
- 238000001514 detection method Methods 0.000 description 10
- 239000002253 acid Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 235000009245 Elaeagnus multiflora Nutrition 0.000 description 2
- 240000000298 Elaeagnus multiflora Species 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003909 pattern recognition Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 210000002784 stomach Anatomy 0.000 description 2
- 230000035900 sweating Effects 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 230000005057 finger movement Effects 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
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
- G06V40/1335—Combining adjacent partial images (e.g. slices) to create a composite input or reference pattern; Tracking a sweeping finger movement
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- 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
- G06V40/1388—Detecting the live character of the finger, i.e. distinguishing from a fake or cadaver finger using image processing
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- 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)
- Image Input (AREA)
- Collating Specific Patterns (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims (5)
- SWEEP형 지문 센서를 이용하여 지문 인증을 행하는 지문 인증 장치로서,1회의 지문 판독 동작에서 고감도에서의 지문 화상 취득과 저감도에서의 지문 화상 취득이 소정의 전환 패턴에 따라서 행하여지도록 상기 지문 센서를 제어하는 판독 제어 수단과,상기 판독 제어 수단의 제어에 의해 취득된 고감도에서의 지문 화상과 저감도에서의 지문 화상을 비교하고, 그 차가 소정의 임계값보다도 작은 경우에, 상기 판독 동작의 대상이 위조 손가락인 것으로 판정하는 위조 손가락 판정 수단을 구비하는 것을 특징으로 하는 지문 인증 장치.
- 제1항에 있어서,상기 위조 손가락 판정 수단은, 상기 고감도에서의 지문 화상과 상기 저감도에서의 지문 화상의 차가 소정의 임계값보다 작고, 또한, 어느 쪽의 지문 화상에서도 땀이 끌리는 패턴이 검출되지 않은 경우에, 상기 판독 동작의 대상이 위조 손가락인 것으로 판정하는 것을 특징으로 하는 지문 인증 장치.
- 제1항 또는 제2항에 있어서,상기 판독 제어 수단은, 고감도에서의 지문 화상 취득과 저감도에서의 지문 화상 취득 외에, 지문 인증을 위한 중감도에서의 지문 화상 취득이 소정의 전환 패 턴에 따라서 행하여지도록 상기 지문 센서를 제어하는 것을 특징으로 하는 지문 인증 장치.
- 제1항 또는 제2항에 있어서,상기 판독 제어 수단은, 상기 고감도에서의 지문 화상 또는 상기 저감도에서의 지문 화상 중 적어도 한쪽을 취득할 수 없었던 경우에 경고 통지를 행하는 것을 특징으로 하는 지문 인증 장치.
- SWEEP형 지문 센서를 이용하여 지문 인증을 행하는 정보 처리 장치로서,1회의 지문 판독 동작에서 고감도에서의 지문 화상 취득과 저감도에서의 지문 화상 취득이 소정의 전환 패턴에 따라서 행하여지도록 상기 지문 센서를 제어하는 판독 제어 수단과,상기 판독 제어 수단의 제어에 의해 취득된 고감도에서의 지문 화상과 저감도에서의 지문 화상을 비교하고, 그 차가 소정의 임계값보다도 작은 경우에, 상기 판독 동작의 대상이 위조 손가락인 것으로 판정하는 위조 손가락 판정 수단을 구비하는 것을 특징으로 하는 정보 처리 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2006-00086341 | 2006-03-27 | ||
JP2006086341A JP4757071B2 (ja) | 2006-03-27 | 2006-03-27 | 指紋認証装置および情報処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070096739A true KR20070096739A (ko) | 2007-10-02 |
KR100819324B1 KR100819324B1 (ko) | 2008-04-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060066261A KR100819324B1 (ko) | 2006-03-27 | 2006-07-14 | 지문 인증 장치 및 정보 처리 장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8385611B2 (ko) |
EP (1) | EP1840793B1 (ko) |
JP (1) | JP4757071B2 (ko) |
KR (1) | KR100819324B1 (ko) |
DE (1) | DE602006001361D1 (ko) |
Cited By (1)
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KR101402380B1 (ko) * | 2009-12-07 | 2014-06-03 | 닛본 덴끼 가부시끼가이샤 | 위조 손가락 판별 장치 |
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-
2006
- 2006-03-27 JP JP2006086341A patent/JP4757071B2/ja not_active Expired - Fee Related
- 2006-06-19 US US11/454,867 patent/US8385611B2/en active Active
- 2006-06-21 EP EP06115807A patent/EP1840793B1/en not_active Expired - Fee Related
- 2006-06-21 DE DE602006001361T patent/DE602006001361D1/de active Active
- 2006-07-14 KR KR1020060066261A patent/KR100819324B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101402380B1 (ko) * | 2009-12-07 | 2014-06-03 | 닛본 덴끼 가부시끼가이샤 | 위조 손가락 판별 장치 |
US8929618B2 (en) | 2009-12-07 | 2015-01-06 | Nec Corporation | Fake-finger determination device |
Also Published As
Publication number | Publication date |
---|---|
KR100819324B1 (ko) | 2008-04-02 |
EP1840793A1 (en) | 2007-10-03 |
JP4757071B2 (ja) | 2011-08-24 |
US8385611B2 (en) | 2013-02-26 |
DE602006001361D1 (de) | 2008-07-10 |
US20070223791A1 (en) | 2007-09-27 |
JP2007259964A (ja) | 2007-10-11 |
EP1840793B1 (en) | 2008-05-28 |
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