CN111695412A - Handle type finger vein identity authentication device - Google Patents

Handle type finger vein identity authentication device Download PDF

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Publication number
CN111695412A
CN111695412A CN202010343520.8A CN202010343520A CN111695412A CN 111695412 A CN111695412 A CN 111695412A CN 202010343520 A CN202010343520 A CN 202010343520A CN 111695412 A CN111695412 A CN 111695412A
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CN
China
Prior art keywords
handle
finger
finger vein
authentication device
module
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.)
Pending
Application number
CN202010343520.8A
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Chinese (zh)
Inventor
杨数强
秦华锋
王军
郝碧波
朱厚春
田佳兰
张亚琼
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Luoyang Normal University
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Luoyang Normal University
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Publication date
Application filed by Luoyang Normal University filed Critical Luoyang Normal University
Priority to CN202010343520.8A priority Critical patent/CN111695412A/en
Publication of CN111695412A publication Critical patent/CN111695412A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/14Vascular patterns

Abstract

The invention discloses a handle type finger vein identity authentication device which comprises a handle base, wherein a near-infrared light source and a handle are installed on the handle base, a mechanical lock cylinder and a motor are installed in the handle base, a processor module, a camera module and an induction module are installed on the handle, and a finger positioning groove is formed in the handle. The installation can be completed only by installing the handle integrally, the installation is simple, and the door body cannot be damaged; compared with a device for collecting a single finger image on the market, the device can compare more characteristic data and has higher identification safety by collecting the finger vein images of 4 fingers at one time; the service efficiency is higher, and finger vein image acquisition recognition device can combine authentication operation and the operation of opening the door, and the user only need very natural holding the handle, and then opens this and just makes the user can be more natural and convenient open the door, moreover also safer and more reliable.

Description

Handle type finger vein identity authentication device
Technical Field
The invention belongs to the technical field of image acquisition and identification, and particularly relates to a handle type finger vein identity authentication device.
Background
The human body biological feature recognition system is a set of technology for identifying or verifying the identity of a user by utilizing the inherent biological features of each person, is gradually and widely applied at present, not only applied to the traditional fields of access control, identity identification and the like, but also rapidly developed in the emerging fields of medical treatment, entertainment and the like. The existing biological identification technology mainly comprises five types of technologies: fingerprint identification technology, voiceprint identification technology, face identification technology, iris identification technology and vein identification technology; the application of fingerprint identification is the most extensive, and although the fingerprint has lifetime invariance, uniqueness and convenience, the accuracy of identification is low, and the safety of direct identification is poor due to easy copying; voiceprint recognition and face recognition are easily affected by various conditions and are limited in application; the iris recognition technology has high efficiency and accuracy but is limited in application due to technical difficulty and high cost; the finger vein recognition technology is used as a fifth generation biological recognition technology and is a living body imaging technology, the technology finishes a collection and recognition task by adopting an infrared light source and three-dimensional imaging, can be used in any environment and scene, and has the characteristics of uniqueness and no duplication.
Generally, the door locks on the market adopting vein recognition mostly adopt single finger vein recognition, and during recognition:
firstly, a finger needs to be inserted into a vein collector to complete vein collection, then the finger is retracted, and a handle is held to open a door, namely, authentication and door opening need to be performed by a user twice;
secondly, the existing vein recognition module and the handle are separately installed, so that not only can the door body be damaged, but also the installation operation is relatively complicated;
thirdly, when the existing vein image is collected, the vein information of one finger is collected, so that the safety degree is low, and the condition of information leakage is easy to occur.
Disclosure of Invention
The invention aims to provide a handle type finger vein identity authentication device, which aims to solve the problem that a user needs to stretch a finger into a vein collector to finish vein collection, then the finger is retracted, and the handle is held to open a door, namely, identity authentication and door opening need to be performed twice by the user; when the existing vein image is collected, the vein information of one finger is collected, the safety degree is low, and the problem of information leakage is easy to occur.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a handle formula finger vein authentication device, includes the handle base, install near infrared light source and handle on the handle base, install mechanical lock core and motor in the handle base, install processor module, camera module and response module on hand, be equipped with the finger constant head tank on hand.
Preferably, the input end and the output end of the near-infrared light source are respectively connected with the input end and the output end of the processor module through wires, the input end and the output end of the camera module are respectively connected with the input end and the output end of the processor module through wires, the processor module comprises a main control chip, an image processing chip and the like, the main control chip is used for data processing, power management, serial port communication and the like, the image processing chip is used for carrying out biological identification functions such as preprocessing, feature extraction, identification matching and the like on the collected finger vein image, and transmits an identification success signal to the main control chip.
Preferably, the handle is provided with a memory through a screw, the input end and the output end of the memory are respectively connected with the input end and the output end of the processor module through wires, and the memory is used for storing user information so that the processor module can match the collected information with the user information in the memory one by one.
Preferably, the front end of the camera module is provided with an infrared filter, and the infrared filter is used for filtering light waves in other bands except for near-infrared bands and ensuring the definition of information collected by the camera module.
Preferably, the sensing module is a pyroelectric sensor, the output end of the sensing module is connected with the input end of the processor module through a wire, the pyroelectric sensor can detect whether a finger is put in, if the finger is put in, a signal is transmitted to the processor module, and the processor module controls the device to perform operation verification; if no finger is put in, the signal is transmitted to the processor module, the processor module controls the device to enter a sleep mode, different sleep modes are built in the device, the low-power-consumption requirement of the intelligent door lock can be met, the requirements of daily use and low-frequency use of a user are met, and the power consumption is reduced to the maximum extent.
Preferably, the inboard of finger constant head tank is made by transparent material, and the inboard of finger constant head tank is made by transparent materials such as clear glass, transparent plastic, ensures that the infrared light can see through, and the quantity of finger constant head tank is four, through four finger constant head tanks, can fix a position the collection to the information of four fingers simultaneously to improve the degree of safety of discernment, avoid revealing of information.
Preferably, the positions of the near-infrared light source, the camera module and the finger positioning groove correspond to each other, the near-infrared light source and the camera module are started, and the near-infrared light source arranged in the handle base irradiates the back of the finger, so that the camera module collects the vein information of the finger from the front side of the finger.
Preferably, the rotating shaft of the motor is installed on a driving rod of the mechanical lock cylinder, the output end of the processor module is connected with the input end of the motor through a wire, the model of the motor is Y355M1-2, and the motor can drive the driving rod of the mechanical lock cylinder to rotate when running and can control the lock body to be unlocked.
Compared with the prior art, the invention has the beneficial effects that: the processor module, the camera module and the like are positioned in the handle, the installation can be completed only by installing the whole handle, the installation is simple, the door body cannot be damaged, in addition, the device is more convenient to sell, the installation is not required to be performed by a professional, and the installation can be completed by a client, so that the device has better market prospect; compared with a common device for acquiring data from the back of a finger on the market, the device can better avoid the influence caused by wrinkled skin at the knuckle, so that the acquired image is more accurate, and the reliability of the device is further improved; compared with a device for collecting a single finger image on the market, the device can compare more characteristic data, can dynamically adjust the brightness of the infrared light source according to the definition of the collected image in the data collection process, and can further improve the accuracy of the device; the method has wider application range and is suitable for the identity authentication of various handle-type devices; the identification security is higher, the problems that the fingerprint type is forged, the password type is easy to leak and the like are avoided, and the fake information cannot be easily deceived; the efficiency of use is higher, and the finger vein image acquisition recognition device of this device can combine authentication operation and the operation of opening the door, and the user only need very natural handle of holding, can accomplish the authentication operation through the collection and the discernment of finger vein image, and then opens this and just makes the user can be more natural and convenient opening the door, moreover also safer and reliable.
Drawings
FIG. 1 is a side view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the circuit of the present invention;
fig. 3 is a flowchart of the finger vein authentication method of the present invention.
In the figure: the system comprises a handle base 1, a near-infrared light source 2, a handle 3, a mechanical lock cylinder 4, a motor 5, a processor module 6, a camera module 7, an induction module 8 and a finger positioning groove 9.
Detailed Description
Referring to fig. 1, a handle type finger vein identity authentication device comprises a handle base 1, wherein a near infrared light source 2 and a handle 3 are installed on the handle base 1 through screws, a mechanical lock cylinder 4 and a motor 5 are installed in the handle base 1 through screws, a processor module 6, a camera module 7 and two induction modules 8 are installed on the handle 3 through screws, the two induction modules 8 are installed on the front face and the back face of the handle 3 respectively, and finger positioning grooves 9 are formed in the handle 3.
Referring to fig. 2, an input end and an output end of the near-infrared light source 2 are respectively connected to an input end and an output end of the processor module 6 through wires, an input end and an output end of the camera module 7 are respectively connected to an input end and an output end of the processor module 6 through wires, the processor module 6 includes a main control chip, an image processing chip and the like, the main control chip is used for data processing, power management, serial communication and the like, the image processing chip is used for performing biological identification functions such as preprocessing, feature extraction, identification matching and the like on the collected finger vein image, and transmitting an identification success signal to the main control chip.
Referring to fig. 1 and 2, a memory is installed on the handle 3, an input end and an output end of the memory are respectively connected with an input end and an output end of the processor module 6 through wires, and the memory is used for storing user information so that the processor module can match the acquired information with the user information in the memory one by one.
Referring to fig. 1 and 2, an infrared filter is installed at the front end of the camera module 7, and the infrared filter is used for filtering out light waves in other bands except for the near-infrared band, so as to ensure the definition of information collected by the camera module.
Referring to fig. 1, 2 and 3, the sensing module 8 is a pyroelectric sensor, the output end of the sensing module 8 is connected with the input end of the processor module 6 through a wire, the pyroelectric sensor can detect whether a finger is put in, if the finger is put in, a signal is transmitted to the processor module, and the processor module controls the device to verify the operation; if no finger is put in, the signal is transmitted to the processor module, the processor module controls the device to enter a sleep mode, different sleep modes are built in the device, the low-power-consumption requirement of the intelligent door lock can be met, the requirements of daily use and low-frequency use of a user are met, and the power consumption is reduced to the maximum extent.
Referring to fig. 1 and 3, the inner side of the finger positioning groove 9 is made of transparent materials, the inner side of the finger positioning groove is made of transparent materials such as transparent glass and transparent plastic, so that infrared light can penetrate through the finger positioning groove 9, the number of the finger positioning grooves 9 is four, and information of four fingers can be simultaneously positioned and collected through the four finger positioning grooves, so that the recognition safety is improved, and information leakage is avoided.
Referring to fig. 1, 2 and 3, the positions of the near-infrared light source 2, the camera module 7 and the finger positioning groove 9 correspond to each other, the near-infrared light source and the camera module are turned on, and the near-infrared light source arranged in the handle base irradiates the back of the finger, so that the camera module collects the vein information of the finger from the front side of the finger.
Referring to fig. 1 and 3, a rotating shaft of the motor 5 is installed on a driving rod of the mechanical lock cylinder 4, an output end of the processor module 6 is connected with an input end of the motor 5 through a wire, and the motor can drive the driving rod of the mechanical lock cylinder to rotate to control the lock body to be unlocked.
The working principle of the scheme is as follows: after the device is started, the device is in a sleep mode waiting state to wait for the fingers of a user to be put into the finger positioning grooves 9 on the handle 3, once the sensing module 8 detects the fingers, the signals are transmitted to the processor module 6, the processor module 6 controls the near-infrared light source 2 and the camera module 7 to be opened, the near-infrared light source 2 arranged in the handle base 1 irradiates the back of the finger, so that the camera module 7 collects the vein information of the finger from the front side of the finger, then starts to collect finger vein images, after the images are collected successfully, the camera module 7 transmits the collected vein information to the processor module 6, the processor module 6 extracts the characteristics of the received information and matches the information in the memory one by one, if the matched and consistent features are found in the stored features, the user is a legal user, and the processor module 6 controls the motor 5 to operate and unlock; otherwise, the device prompts a mistake and does not unlock.

Claims (8)

1. The utility model provides a handle formula finger vein authentication device, includes handle base (1), its characterized in that: install near infrared light source (2) and handle (3) on handle base (1), install mechanical lock core (4) and motor (5) in handle base (1), install processor module (6), camera module (7) and response module (8) on handle (3), be equipped with on handle (3) and point constant head tank (9).
2. A handled finger vein authentication device according to claim 1, wherein: the input end and the output end of the near-infrared light source (2) are respectively connected with the input end and the output end of the processor module (6) through wires, and the input end and the output end of the camera module (7) are respectively connected with the input end and the output end of the processor module (6) through wires.
3. A handled finger vein authentication device according to claim 1, wherein: the handle (3) is provided with a memory, and the input end and the output end of the memory are respectively connected with the input end and the output end of the processor module (6) through wires.
4. A handled finger vein authentication device according to claim 1, wherein: and an infrared filter is arranged at the front end of the camera module (7).
5. A handled finger vein authentication device according to claim 1, wherein: the sensing module (8) is a pyroelectric sensor, and the output end of the sensing module (8) is connected with the input end of the processor module (6) through a lead.
6. A handled finger vein authentication device according to claim 1, wherein: the inner sides of the finger positioning grooves (9) are made of transparent materials, and the number of the finger positioning grooves (9) is four.
7. A handled finger vein authentication device according to claim 1, wherein: the positions of the near-infrared light source (2), the camera module (7) and the finger positioning groove (9) correspond to each other.
8. A handled finger vein authentication device according to claim 1, wherein: the rotating shaft of the motor (5) is installed on the driving rod of the mechanical lock cylinder (4), and the output end of the processor module (6) is connected with the input end of the motor (5) through a wire.
CN202010343520.8A 2020-04-27 2020-04-27 Handle type finger vein identity authentication device Pending CN111695412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010343520.8A CN111695412A (en) 2020-04-27 2020-04-27 Handle type finger vein identity authentication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010343520.8A CN111695412A (en) 2020-04-27 2020-04-27 Handle type finger vein identity authentication device

Publications (1)

Publication Number Publication Date
CN111695412A true CN111695412A (en) 2020-09-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010343520.8A Pending CN111695412A (en) 2020-04-27 2020-04-27 Handle type finger vein identity authentication device

Country Status (1)

Country Link
CN (1) CN111695412A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113077566A (en) * 2021-04-06 2021-07-06 深圳市鑫保泰技术有限公司 Finger vein door lock of non-contact authentication

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113077566A (en) * 2021-04-06 2021-07-06 深圳市鑫保泰技术有限公司 Finger vein door lock of non-contact authentication
CN113077566B (en) * 2021-04-06 2022-06-14 深圳市鑫保泰技术有限公司 Finger vein door lock of non-contact authentication

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