WO2017213338A1 - Dispositif et procédé de reconnaissance biométrique horizontale-verticale à base de msp - Google Patents

Dispositif et procédé de reconnaissance biométrique horizontale-verticale à base de msp Download PDF

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Publication number
WO2017213338A1
WO2017213338A1 PCT/KR2017/003397 KR2017003397W WO2017213338A1 WO 2017213338 A1 WO2017213338 A1 WO 2017213338A1 KR 2017003397 W KR2017003397 W KR 2017003397W WO 2017213338 A1 WO2017213338 A1 WO 2017213338A1
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WO
WIPO (PCT)
Prior art keywords
light
intensity
wrist
array
light source
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Application number
PCT/KR2017/003397
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English (en)
Korean (ko)
Inventor
홍혁기
조영창
정석원
최연식
Original Assignee
전자부품연구원
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Application filed by 전자부품연구원 filed Critical 전자부품연구원
Publication of WO2017213338A1 publication Critical patent/WO2017213338A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; 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
    • A61B5/117—Identification of persons
    • A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
    • A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
    • A61B5/442—Evaluating skin mechanical properties, e.g. elasticity, hardness, texture, wrinkle assessment
    • 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
    • A61B5/6824—Arm or wrist

Definitions

  • the present invention relates to biometric technology, and more particularly, to an apparatus and method for identifying an individual using biometric information.
  • Fingerprints identify individuals based on their uniqueness.
  • an object of the present invention is to provide a horizontal skin-vertical biometric apparatus and method based on MSP (Multispectral Skin Photomatrics).
  • a biometric device includes: a light source array configured to irradiate light onto a wrist of a user; A detector array for detecting diffusely reflected lights of the wrist; A controller for controlling the intensity of the light sources included in the light source array; And a processor for identifying a user using the detection result in the detector array.
  • the controller may collectively control the intensity of a plurality of light sources constituting the light source array.
  • controller may control the intensity of a plurality of light sources constituting the light source array to increase linearly.
  • the controller may control some of the intensities of the plurality of light sources constituting the light source array to a first intensity and another to a second intensity.
  • controller may control only some of the plurality of light sources constituting the light source array to operate.
  • the light source array may include light sources that irradiate lights of different wavelengths.
  • the light source array may be provided inside the detector array.
  • a first detector that detects the first light and the second light that has diffusely reflected the wrist, and a second detector that detects the first light and the second light that have diffusely reflected the wrist are different positions.
  • the processor may identify the user by combining the intensity of the first light detected by the first detector and the intensity of the second light, and the intensity of the first light and the intensity of the second light detected by the second detector. .
  • a biometric method the step of irradiating while controlling the intensity of the light to the wrist of the user; Detecting light that has diffusely reflected the wrist; And identifying the user by using the detection result.
  • the light source array for irradiating light to the wrist of the user;
  • a detector array for detecting diffusely reflected lights of the wrist;
  • a controller for controlling the intensity of the light sources included in the light source array;
  • a communication unit configured to transmit a detection result of the detector array.
  • a biometric method the step of irradiating while controlling the intensity of the light to the wrist of the user; Detecting light that has diffusely reflected the wrist; And transmitting a detection result.
  • biometrics based on MSP Multispectral Skin Photomatrics
  • 1 to 4 are views provided to explain the concept of horizontal biometrics using a plurality of light sources
  • 5 to 8 is a view provided to explain the concept of the vertical biometrics by adjusting the intensity of the light source
  • FIG. 10 is a diagram provided to explain an MSP-based biometric device according to another embodiment of the present invention.
  • LED light emitting diode
  • PD photo diode
  • the LED-arrays 120-1 and 120-2 and the PD-arrays 130-1 and 130-2 are elements provided in the biometric device according to the embodiment of the present invention.
  • the biometric device is attached to the skin of the human body, as shown in FIG. 2, the LEDs irradiate light onto the skin, and the PDs detect light that diffusely reflects off the skin. Specifically,
  • PD-1 detects the light irradiated by LED-1 and diffusely reflected the skin and the light irradiated by LED-2 and diffusely reflected the skin
  • PD-2 also detects light irradiated by LED-1 to diffusely reflect the skin and light irradiated on LED-2 to diffusely reflect the skin.
  • the wavelength of the LED-array-1 120-1 and the wavelength of the LED-array-2 120-2 may be implemented differently.
  • the LEDs constituting the LED-array-1 120-1 may be implemented with red LEDs
  • the LEDs constituting the LED-array-2 120-2 may be implemented with blue LEDs.
  • each of the LEDs constituting the LED-arrays 120-1 and 120-2 may be implemented with various wavelengths.
  • the LED-array-1 120-1 may be implemented as an IR-LED or a Red-LED. , Green-LED, Blue-LED can be repeatedly arranged, and this is also the case for the LED-array-2 (120-2).
  • Such an implementation is illustrated in FIG. 3.
  • M light detection patterns can be obtained.
  • One light detection pattern includes 2N light detection data. Using M light detection patterns is more accurate in personal identification than using one light detection pattern.
  • the LED combination can be configured in various ways. E.g, in personal identification, the LED combination can be configured in various ways. E.g, in personal identification, the LED combination can be configured in various ways. E.g, in personal identification, the LED combination can be configured in various ways. E.g, in personal identification, the LED combination can be configured in various ways. E.g, in personal identification, the LED combination can be configured in various ways. E.g, in personal identification, the LED combination can be configured in various ways. E.g,
  • M It is possible to generate the Mth light detection pattern by turning on only the IR-LED, Red-LED and Green-LED.
  • M * 2N photodetection data can be obtained, which corresponds to M photodetection patterns.
  • One light detection pattern is composed of 2N light detection data.
  • M light detection patterns can be used for personal identification. Can be.
  • a DB is stored by storing M light detection patterns for each individual, and personal identification is possible using the DB.
  • FIG. 5 to 8 are diagrams provided to explain a concept of personal identification that extends the aforementioned biometric method.
  • FIG. 5 illustrates a case in which the intensity of light emitted from the LED-1 included in the LED-array-1 120-1 is changed
  • FIG. 6 illustrates the LED-2 included in the LED-array-2 120-2. The case where the intensity of light emitted is changed is shown, respectively, and these are also shown in FIG.
  • the light detection data is different depending on the light intensity.
  • the combination of the LEDs can be further varied. For example, if the light intensity is equal to "L3> L2> L1"
  • the intensity of the red LED is set to "L3", and the intensity of the blue LED is set to "L3", thus generating the ninth light detection pattern. Also nine combinations are possible.
  • FIG. 9 is a diagram provided to explain a multi-spectral skin photomatrics (MPS) -based personal identification device according to an embodiment of the present invention. As shown in FIG. 9, the personal identification device 100 according to the embodiment of the present invention is implemented as a wrist worn device.
  • MPS multi-spectral skin photomatrics
  • the personal identification device 100 may include a power source 110, an LED array 120, a PD array 130, an LPF & 150, controller 160, processor 170, and DB 180.
  • the power source 110 is implemented as a constant voltage source or a constant current source, and supplies power required for light emission of the LED array 120.
  • the LPF & Amp. 140 performs filtering to remove noise from the photocurrent resulting from the photodetection by the PD array 130, amplifies the filtered photocurrent, and applies it to the ADC 150.
  • the ADC 150 converts the analog optical current signal output from the LPF & 140 into a digital signal and applies it to the processor 170.
  • the processor 170 generates photodetection patterns using the photocurrent signal transmitted from the ADC 150, compares the generated photodetection patterns with the patterns stored in the DB 180, and performs personal identification.
  • the processor 170 may be incorporated into the controller 160, or may be implemented as a separate computing device.
  • the controller 160 controls the selective driving and intensity of the LED array 120 and the selective driving of the PD array 130.
  • the controller 160 controls only some of the LEDs constituting the LED array 120 to operate. Furthermore, the controller 160 may control all of the intensities of the LEDs constituting the LED array 120 in the same batch, or some may be controlled by L1, some by L2, and others by L3.
  • controller 160 may control to linearly increase and decrease the intensity of the LEDs linearly, as well as control for nonlinear increase / decrease.
  • the controller 160 sets the cutoff frequency of the LPF & 140 and controls the gain.
  • FIG. 10 is a diagram provided to explain an MPS-based personal identification device according to another embodiment of the present invention.
  • the personal identification device 100 according to the embodiment of the present invention is different from the personal identification device 100 illustrated in FIG. 10 in that the personal identification device 100 does not include the DB 180 but the communication unit 190.
  • the processor 170 of the personal identification device 100 illustrated in FIG. 10 generates photodetection patterns using the photocurrent signal transmitted from the ADC 150, and generates the generated photodetection patterns through the communication unit 190. Transfer to the smartphone 200.
  • the smartphone 200 compares the light detection pattern received from the communication unit 190 with the patterns storing the personal identification.

Abstract

L'invention concerne un dispositif et un procédé de reconnaissance biométrique horizontale-verticale à base de MSP. Le dispositif de reconnaissance biométrique, selon un mode de réalisation de la présente invention, comprend : un réseau de sources de lumière permettant d'exposer le poignet d'un utilisateur à des rayonnements lumineux; un réseau de détecteurs permettant de détecter les rayonnements lumineux réfléchis diffusés en provenance du poignet; un dispositif de commande permettant de régler la puissance des sources de lumière comprises dans le réseau de sources de lumière; et un processeur permettant d'identifier un utilisateur à l'aide d'un résultat de détection en provenance du réseau de détecteurs. Par conséquent, des informations biométriques de diverses profondeurs de la même zone dans la reconnaissance biométrique à base de MSP peuvent être recueillies, ce qui permet d'augmenter les taux d'identification personnelle.
PCT/KR2017/003397 2016-06-10 2017-03-29 Dispositif et procédé de reconnaissance biométrique horizontale-verticale à base de msp WO2017213338A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0072432 2016-06-10
KR1020160072432A KR101842771B1 (ko) 2016-06-10 2016-06-10 Msp 기반 수평-수직 생체인식 장치 및 방법

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WO2017213338A1 true WO2017213338A1 (fr) 2017-12-14

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005107634A (ja) * 2003-09-29 2005-04-21 Hitachi Ltd 個人認証装置
JP2010211756A (ja) * 2009-03-12 2010-09-24 Seiko Epson Corp 生体情報取得装置、生体情報取得方法及び生体認証装置
JP2010534083A (ja) * 2007-07-20 2010-11-04 ペーター ベルンロイター， 組織酸素測定装置および方法
JP2013212315A (ja) * 2012-04-03 2013-10-17 Kyokko Denki Kk 装着型使用者状態情報取得装置
WO2015132063A1 (fr) * 2014-03-06 2015-09-11 Koninklijke Philips N.V. Appareil de détermination de propriété physiologique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005107634A (ja) * 2003-09-29 2005-04-21 Hitachi Ltd 個人認証装置
JP2010534083A (ja) * 2007-07-20 2010-11-04 ペーター ベルンロイター， 組織酸素測定装置および方法
JP2010211756A (ja) * 2009-03-12 2010-09-24 Seiko Epson Corp 生体情報取得装置、生体情報取得方法及び生体認証装置
JP2013212315A (ja) * 2012-04-03 2013-10-17 Kyokko Denki Kk 装着型使用者状態情報取得装置
WO2015132063A1 (fr) * 2014-03-06 2015-09-11 Koninklijke Philips N.V. Appareil de détermination de propriété physiologique

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KR101842771B1 (ko) 2018-03-28
KR20170139887A (ko) 2017-12-20

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