CA2556603A1 - Vein authentication device - Google Patents

Vein authentication device Download PDF

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Publication number
CA2556603A1
CA2556603A1 CA002556603A CA2556603A CA2556603A1 CA 2556603 A1 CA2556603 A1 CA 2556603A1 CA 002556603 A CA002556603 A CA 002556603A CA 2556603 A CA2556603 A CA 2556603A CA 2556603 A1 CA2556603 A1 CA 2556603A1
Authority
CA
Canada
Prior art keywords
image pickup
unit
image
living body
light sources
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.)
Granted
Application number
CA002556603A
Other languages
French (fr)
Other versions
CA2556603C (en
Inventor
Naoto Miura
Akio Nagasaka
Takafumi Miyatake
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of CA2556603A1 publication Critical patent/CA2556603A1/en
Application granted granted Critical
Publication of CA2556603C publication Critical patent/CA2556603C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/117—Identification of persons
    • A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
    • A61B5/1172—Identification of persons based on the shapes or appearances of their bodies or parts thereof using fingerprinting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/117—Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand
    • A61B5/6826—Finger
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6838—Clamps or clips
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • 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
    • 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
    • G06V40/14—Vascular patterns

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Computation (AREA)
  • Artificial Intelligence (AREA)
  • General Physics & Mathematics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Evolutionary Biology (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Image Input (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

Provided in this invention is a vein authentication device comprising:
an interface on which a part of a living body; one or more light sources for emitting infrared light; an image pickup unit for picking up a blood vessel image of the part of the living body using infrared light emitted from the light sources; an image computing unit for processing the blood vessel image picked up by the image pickup unit; and a light shielding unit for shielding infrared light emitted from the light sources and preventing the infrared light from traveling in an image pickup direction of the image pickup unit, wherein the interface has an opening opened in the image pickup direction of the image pickup unit, and wherein the light sources irradiates the part of the living body with infrared light from an image pickup side of the part of the living body.

Claims (12)

1. A vein authentication device comprising:
an interface on which a part of a living body whose image is to be picked up is placed;
one or more light sources for emitting infrared light;
an image pickup unit for picking up a blood vessel image of the part of the living body using infrared light emitted from the light sources;
an image computing unit for processing the blood vessel image picked up by the image pickup unit; and a light shielding unit for shielding infrared light emitted from the light sources and preventing the infrared light from traveling in an image pickup direction of the image pickup unit, wherein the interface has an opening opened in the image pickup direction of the image pickup unit, and wherein the light sources irradiates the part of the living body with infrared light from an image pickup side of the part of the living body.
2. The vein authentication device according to Claim 1, wherein the part of the living body is a finger.
3. The vein authentication device according to Claim 2, wherein the plural light sources line up in a direction substantially perpendicular to a longitudinal direction of a finger put on the interface.
4. The vein authentication device according to Claim 2, wherein the interface is provided with plural pits extending in a longitudinal direction of a finger put on the interface.
5. The vein authentication device according to Claim 2, wherein the interface has a shape concaved in the center.
6. The vein authentication device according to Claim 1, wherein the interface allows the part of the living body to move thereon;
wherein the image pickup unit picks up plural vein images of the part of the living body at different sites; and the image computing unit composites the plural vein images picked up by the image pickup unit.
7. The vein authentication device according to Claim 6, further comprising a movement amount measuring unit for measuring a movement amount of the part of the living body, and wherein the image computing unit composites the plural vein images picked up by the image pickup unit with reference to the movement amount measured by the movement amount measuring unit.
8. The vein authentication device according to Claim 1, further comprising a light amount adjusting unit for adjusting a light amount of the light sources.
9. The vein authentication device according to Claim 8, wherein the image pickup unit picks up plural vein images of the part of the living body at different light amounts adjusted by the light amount adjusting unit; and the image computing unit composites the plural images picked up by the image pickup unit.
10. The vein authentication device according to Claim 1, wherein the interface is formed integrally with the light shielding unit.
11. A vein authentication device, comprising:
an interface on which a part of a living body whose image is to be picked up is placed;
one or more light sources for emitting infrared light;
an image pickup unit for picking up a vein image of the part of the living body using infrared light emitted from the light sources;
an image computing unit for processing the vein image picked up by the image pickup unit, and in that; and a light shielding unit for shielding infrared light emitted from the light sources, wherein the interface has an opening opened in an image pickup direction of the image pickup unit, wherein the light sources is placed laterally to the opening, wherein the light sources emits infrared light having an optical axis in the image pickup direction to irradiate the part of the living body with infrared light from an image pickup side of the part of the living body, and wherein the light shielding unit is provided between the opening and the light sources, and to more than half of an upper portion of the light sources on the opening side.
12. A vein authentication device, comprising:
an image pickup unit for picking up a vein image;
an image computing unit for processing the vein image picked up by the image pickup unit;
an interface on which a part of a living body whose image is to be picked up is placed;
one or more light sources for emitting infrared light; and a light shielding unit for shielding infrared light emitted from the light sources, wherein the interface has an opening opened in an image pickup direction of the image pickup unit, wherein the light sources is placed laterally to the opening, wherein the light sources emits infrared light having an optical axis that is tilted in a direction opposite to the opening to irradiate the part of the living body with infrared light from an image pickup side of the part of the living body, and wherein the light shielding unit is provided between the opening and the light sources, and to an upper portion of the light sources on the opening side.
CA2556603A 2005-06-13 2005-06-13 Vein authentication device Expired - Fee Related CA2556603C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/011184 WO2006134669A1 (en) 2005-06-13 2005-06-13 Vein authentication device

Publications (2)

Publication Number Publication Date
CA2556603A1 true CA2556603A1 (en) 2006-12-13
CA2556603C CA2556603C (en) 2011-04-26

Family

ID=37532041

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2556603A Expired - Fee Related CA2556603C (en) 2005-06-13 2005-06-13 Vein authentication device

Country Status (7)

Country Link
US (3) US7680305B2 (en)
EP (2) EP2372608B1 (en)
JP (1) JP4095659B2 (en)
KR (3) KR100927757B1 (en)
CN (1) CN100477958C (en)
CA (1) CA2556603C (en)
WO (1) WO2006134669A1 (en)

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Also Published As

Publication number Publication date
KR101031712B1 (en) 2011-04-29
EP2372608B1 (en) 2013-03-20
WO2006134669A1 (en) 2006-12-21
US20110188711A1 (en) 2011-08-04
KR20090053966A (en) 2009-05-28
US8238622B2 (en) 2012-08-07
KR101008789B1 (en) 2011-01-14
JP4095659B2 (en) 2008-06-04
EP1894524A1 (en) 2008-03-05
CN1997314A (en) 2007-07-11
US7680305B2 (en) 2010-03-16
JPWO2006134669A1 (en) 2009-01-08
US20080112600A1 (en) 2008-05-15
EP2372608A3 (en) 2012-01-25
US20100188495A1 (en) 2010-07-29
KR100927757B1 (en) 2009-11-20
CA2556603C (en) 2011-04-26
EP1894524A4 (en) 2009-05-06
KR20080106483A (en) 2008-12-05
KR20100068496A (en) 2010-06-23
CN100477958C (en) 2009-04-15
EP1894524B1 (en) 2012-03-14
EP2372608A2 (en) 2011-10-05
US7945073B2 (en) 2011-05-17

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