CN110321690A - A kind of authentication identifying method based on biometric matches - Google Patents
A kind of authentication identifying method based on biometric matches Download PDFInfo
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- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- 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
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Abstract
The present invention discloses a kind of authentication identifying method based on biometric matches, is related to technical field of data recognition；Collect identity biological information, characteristic extraction is carried out to biometric image information, it establishes identity unique identification and obtains Image Database, when carrying out identity identification, biometric image information belonging to identity is obtained, biometric image information in Image Database is obtained according to identity unique identification and is slightly matched, the characteristic of biometric image information to be identified is extracted again, characteristic in Image Database is obtained with identity unique identification and carries out similarity comparison, is met similarity requirement, is then confirmed identity；The present invention has carried out characteristic extraction to biometric image information, it establishes identity unique identification and obtains Image Database, identification can not only slightly be matched, similarity comparison can also be carried out by characteristic, accurately matched, the accuracy rate of identification is improved, application field is extensive.
Description
Technical field
The present invention discloses a kind of authentication identifying method based on biometric matches, is related to technical field of data recognition.
Background technique
Existing authentication identifying method includes: password, token and certificate Key etc..In common password identification method
In, user has used ID card No., birthday or telephone number etc., password setting is carried out, and the password being arranged simply is easy
Cause to be explained the puzzle and even lose.With social continuous development, the otherwise that needs to reflect using identity is more and more, existing body
Part discrimination method can no longer meet vast demand.The present invention provides a kind of identity identification side based on biometric matches
Method collects identity biological information, carries out characteristic extraction to biometric image information, establishes identity unique identification and obtains image letter
Library is ceased, when carrying out identity identification, obtains biometric image information belonging to identity, Image Database is obtained according to identity unique identification
Middle biometric image information is slightly matched, then extracts the characteristic of biometric image information to be identified, with identity unique identification
It obtains characteristic in Image Database and carries out similarity comparison, meet similarity requirement, then confirm identity；The present invention is to biology
Image information has carried out characteristic extraction, establishes identity unique identification and obtains Image Database, can not only know to identity
It is not matched slightly, moreover it is possible to similarity comparison be carried out by characteristic, accurately matched, improve the accurate of identification
Rate, application field are extensive.
Summary of the invention
The present invention is directed to problem of the prior art, provides a kind of authentication identifying method based on biometric matches,
Concrete scheme proposed by the present invention is:
A kind of authentication identifying method based on biometric matches:
Collect identity biological information, including identity unique identification information and biology figure corresponding with identity unique identification information
Picture information,
Characteristic extraction is carried out to biometric image information, identity unique identification is established and obtains Image Database, utilize body
Part unique identification information and the contingency table of biometric image information storage biometric image information and characteristic,
When carrying out identity identification, biometric image information belonging to identity is obtained, image letter is obtained according to identity unique identification
Biometric image information is slightly matched in breath library, then extracts the characteristic of biometric image information to be identified, unique with identity
Mark obtains characteristic in Image Database and carries out similarity comparison, meets similarity requirement, then confirms identity.
Identity unique identification information can correspond to a plurality of biometric image information, a biometric image information in the method
An only corresponding identity unique identification information.
The biometric image information of Noise and pseudo-characteristic is pre-processed in the method, keeps picture structure clear,
Prominent biometric image information characteristics.
The characteristic for carrying out the parameter of characteristic point in the method to pretreated biometric image information is extracted.
Biometric image information is converted into Base64 data in the method, identity unique identification is stored in and obtains image
In information bank.
A kind of identity identification tool based on biometric matches, including identity biological information search unit, identity biological
Information memory cell, identity biological information characteristics extraction unit and identity biological information matches verification unit, foundation between each unit
Demand is communicated,
Identity biological information search unit collects identity biological information, including identity unique identification information and unique with identity
The corresponding biometric image information of identification information,
Identity biological information characteristics extraction unit carries out characteristic extraction to biometric image information, and identity biological information is deposited
Storage unit establishes identity unique identification and obtains Image Database, utilizes the association of identity unique identification information and biometric image information
Table stores biometric image information and characteristic,
When carrying out identity identification, identity biological information search unit obtains biometric image information belonging to identity, and identity is raw
Object information matches verification unit obtains biometric image information in Image Database according to identity unique identification and is slightly matched, identity
Biological information feature extraction unit extracts the characteristic of biometric image information to be identified, the verification of identity biological information matches again
Unit by the characteristic of biometric image information to be identified and identity unique identification obtain in Image Database characteristic into
Row similarity comparison meets similarity requirement, then confirms identity.
Identity unique identification information can be corresponded to a plurality of biology figure by identity biological information memory cell in the tool
As information storage, a biometric image information only corresponds to an identity unique identification information storage.
In the tool identity biological information characteristics extraction unit to the biometric image information of Noise and pseudo-characteristic into
Row pretreatment, keeps picture structure clear, prominent biometric image information characteristics.
Identity biological information characteristics extraction unit carries out feature to pretreated biometric image information in the tool
The characteristic of the parameter of point is extracted.
Usefulness of the present invention is:
The present invention provides a kind of authentication identifying method based on biometric matches, identity biological information is collected, to biology
Image information carries out characteristic extraction, establishes identity unique identification and obtains Image Database, when carrying out identity identification, obtains body
Biometric image information belonging to part obtains biometric image information in Image Database according to identity unique identification and is slightly matched,
The characteristic for extracting biometric image information to be identified again, with identity unique identification obtain Image Database in characteristic into
Row similarity comparison meets similarity requirement, then confirms identity；The present invention has carried out characteristic to biometric image information and has mentioned
It takes, establishes identity unique identification and obtain Image Database, identification can not only slightly be matched, moreover it is possible to pass through feature
Data carry out similarity comparison, are accurately matched, improve the accuracy rate of identification, application field is extensive.
Detailed description of the invention
Fig. 1 is the schematic diagram of the corresponding biometric image information of identity unique identification information in the method for the present invention；
Fig. 2 is the schematic diagram that biometric image information corresponds to identity unique identification information in the method for the present invention；
Fig. 3 finger scan information image；
Block diagram is slightly matched in Fig. 4 the method for the present invention；
Similarity comparison block diagram in Fig. 5 the method for the present invention.
Specific embodiment
The present invention provides a kind of authentication identifying method based on biometric matches:
Collect identity biological information, including identity unique identification information and biology figure corresponding with identity unique identification information
Picture information,
Characteristic extraction is carried out to biometric image information, identity unique identification is established and obtains Image Database, utilize body
Part unique identification information and the contingency table of biometric image information storage biometric image information and characteristic,
When carrying out identity identification, biometric image information belonging to identity is obtained, image letter is obtained according to identity unique identification
Biometric image information is slightly matched in breath library, then extracts the characteristic of biometric image information to be identified, unique with identity
Mark obtains characteristic in Image Database and carries out similarity comparison, meets similarity requirement, then confirms identity.
A kind of identity based on biometric matches corresponded to the above method is provided simultaneously and identifies tool.
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
When carrying out identity identification using the method for the present invention, detailed process are as follows:
Collect identity biological information, including identity unique identification information and biology figure corresponding with identity unique identification information
As information, the affiliated related information of identity unique identification information includes name (Name), number (Code), identification card number (PIN-
Codes), identity biological image information (Image) etc., then defining affiliated related information is biological information variable,
public string Id{get；set；}
public string Code{get；set；}
public string Name{get；set；}
public string Image{get；set；}
Biometric image information may include facial image information, monnolithic case image information etc., the life of affiliated related information
Object information variable structure such as table 1
Table 1
| Attribute | Type | Meaning |
| Id | String | Internal Code |
| Code | String | Number |
| Name | String | Title |
| Image | String | Identity image information |
Identity unique identification information can correspond to a plurality of biometric image information, and a biometric image information only corresponds to one
Identity unique identification information, referring to Figure 1 and Figure 2,
Characteristic extraction is carried out to biometric image information, it, can be to Noise and pseudo-characteristic before carrying out characteristic extraction
Biometric image information carry out the pretreatment operations such as image segmentation, binaryzation and refinement, keep picture structure clear, prominent biology figure
As information characteristics, improve the quality of image, so that the accuracy of identity image characteristics extraction is improved,
The characteristic for carrying out the parameter of the characteristic points such as destination node, bifurcation to pretreated biometric image information mentions
It taking, parameter mainly includes direction, type, coordinate etc.,
It establishes identity unique identification and obtains Image Database, utilize the pass of identity unique identification information and biometric image information
Join table storage biometric image information and characteristic,
When carrying out identity identification, biometric image information belonging to identity is obtained, image letter is obtained according to identity unique identification
Biometric image information is slightly matched in breath library,
The characteristic for extracting biometric image information to be identified again obtains special in Image Database with identity unique identification
It levies data and carries out similarity comparison:
Select User form UserIdentityFactory where userid={ user }；
if(string.IsNullOrWhiteSpace(User))
{
throw None UserIdentity；
}
Byte [] info=Convert.FromBase64String (User.Image)；
Int ret=DBMatch (User.Image, user.Image)；
Meet similarity requirement, then confirms identity.
In above-mentioned implementation process, can also emphasis repeat collect same position biometric image information, make characteristic as far as possible
According to must unify, characteristic image can be converted to Blob object (ToBlob), by characteristic there is blob object to switch to for
Base64 stores (BlobToBase64), is stored in identity unique identification and obtains in Image Database, when identity identifies, obtains
Feature or Base64 data in biometric image information obtain life corresponding in Image Database by identity unique identification
The two feature is carried out similarity comparison by object image information or Base64 data, or the progress of Base64 data is one-to-one
Similitude comparison, to realize the purpose that identity identifies.
When carrying out identity identification using inventive article, inventive article includes identity biological information search unit, identity
Biological information storing unit, identity biological information characteristics extraction unit and identity biological information matches verification unit, between each unit
It is communicated according to demand, detailed process are as follows:
Identity biological information search unit collects identity biological information, including identity unique identification information and unique with identity
The corresponding biometric image information of identification information, the affiliated related information of identity unique identification information include name (Name), number
(Code), identification card number (PIN-codes), identity biological image information (Image) etc., then defining affiliated related information is biology
Information variable,
public string Id{get；set；}
public string Code{get；set；}
public string Name{get；set；}
public string Image{get；set；}
Biometric image information may include facial image information, monnolithic case image information etc., the life of affiliated related information
Object information variable structure such as table 1
Table 1
| Attribute | Type | Meaning |
| Id | String | Internal Code |
| Code | String | Number |
| Name | String | Title |
| Image | String | Identity image information |
Identity unique identification information can correspond to a plurality of biometric image information, and a biometric image information only corresponds to one
Identity unique identification information, referring to Figure 1 and Figure 2,
Identity biological information characteristics extraction unit carries out characteristic extraction to biometric image information, carries out characteristic and mentions
Before taking, the pretreatment operations such as image segmentation, binaryzation and refinement can be carried out to the biometric image information of Noise and pseudo-characteristic, made
Picture structure is clear, and prominent biometric image information characteristics improve the quality of image, to improve the standard of identity image characteristics extraction
True property,
The characteristic for carrying out the parameter of the characteristic points such as destination node, bifurcation to pretreated biometric image information mentions
It taking, parameter mainly includes direction, type, coordinate etc.,
Identity biological information memory cell establishes identity unique identification and obtains Image Database, is believed using identity unique identification
Breath and the contingency table of biometric image information storage biometric image information and characteristic,
When carrying out identity identification, identity biological information search unit obtains biometric image information belonging to identity, and identity is raw
Object information matches verification unit obtains biometric image information in Image Database according to identity unique identification and is slightly matched,
Identity biological information characteristics extraction unit extracts the characteristic of biometric image information to be identified, identity biological again
The characteristic of biometric image information to be identified and identity unique identification are obtained Image Database by information matches verification unit
Middle characteristic carries out similarity comparison:
Select User form UserIdentityFactory where userid={ user }；
if(string.IsNullOrWhiteSpace(User))
{
throw None UserIdentity；
}
Byte [] info=Convert.FromBase64String (User.Image)；
Int ret=DBMatch (User.Image, user.Image)；
Meet similarity requirement, then confirms identity.
In above-mentioned implementation process, identity biological information search unit can also emphasis repeat collect same position biology figure
As information, make characteristic unified as far as possible, identity biological information characteristics extraction unit can convert characteristic image to Blob object
(ToBlob), there is blob object to switch to characteristic and store (BlobToBase64) for base64, the storage of identity biological information
Base64 data are stored in identity unique identification and obtained in Image Database by unit, when identity identifies, identity biological information
The feature or Base64 data in unit acquisition biometric image information are collected, identity biological information matches verification unit passes through body
Part unique identification obtains biometric image information or Base64 data corresponding in Image Database, the two feature is carried out similar
Degree comparison, or Base64 data are subjected to one-to-one similitude comparison, to realize the purpose that identity identifies.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (9)
1. a kind of authentication identifying method based on biometric matches, it is characterized in that
Collect identity biological information, including identity unique identification information and biometric image corresponding with identity unique identification information letter
Breath,
Characteristic extraction is carried out to biometric image information, identity unique identification is established and obtains Image Database, only using identity
One identification information and the contingency table of biometric image information storage biometric image information and characteristic,
When carrying out identity identification, biometric image information belonging to identity is obtained, Image Database is obtained according to identity unique identification
Middle biometric image information is slightly matched, then extracts the characteristic of biometric image information to be identified, with identity unique identification
It obtains characteristic in Image Database and carries out similarity comparison, meet similarity requirement, then confirm identity.
2. according to the method described in claim 1, it is characterized in that identity unique identification information can correspond to a plurality of biometric image letter
Breath, a biometric image information only correspond to an identity unique identification information.
3. method according to claim 1 or 2, it is characterized in that being carried out to the biometric image information of Noise and pseudo-characteristic pre-
Processing, keeps picture structure clear, prominent biometric image information characteristics.
4. according to the method described in claim 3, it is characterized in that carrying out the ginseng of characteristic point to pretreated biometric image information
Several characteristics is extracted.
5. according to the method described in claim 4, being stored in body it is characterized in that biometric image information is converted to Base64 data
Part unique identification obtains in Image Database.
6. a kind of identity based on biometric matches identifies tool, it is characterized in that including identity biological information search unit, body
Part biological information storing unit, identity biological information characteristics extraction unit and identity biological information matches verification unit, each unit
Between communicated according to demand,
Identity biological information search unit collect identity biological information, including identity unique identification information and with identity unique identification
The corresponding biometric image information of information,
Identity biological information characteristics extraction unit carries out characteristic extraction to biometric image information, and the storage of identity biological information is single
Member establishes identity unique identification and obtains Image Database, is deposited using the contingency table of identity unique identification information and biometric image information
Biometric image information and characteristic are stored up,
When carrying out identity identification, identity biological information search unit obtains biometric image information belonging to identity, identity biological letter
Breath matching verification unit obtains biometric image information in Image Database according to identity unique identification and is slightly matched, identity biological
Information characteristics extraction unit extracts the characteristic of biometric image information to be identified, identity biological information matches verification unit again
The characteristic of biometric image information to be identified is obtained into characteristic in Image Database with identity unique identification and carries out phase
It is compared like degree, meets similarity requirement, then confirm identity.
7. tool according to claim 6, it is characterized in that identity biological information memory cell can be by identity unique identification
Information corresponds to a plurality of biometric image information storage, and a biometric image information only corresponds to an identity unique identification information storage.
8. tool according to claim 6, it is characterized in that identity biological information characteristics extraction unit is to Noise and pseudo- spy
The biometric image information of sign is pre-processed, and keeps picture structure clear, prominent biometric image information characteristics.
9. tool according to claim 6 or 7, it is characterized in that identity biological information characteristics extraction unit is to pretreated
The characteristic that biometric image information carries out the parameter of characteristic point is extracted.
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Cited By (1)
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Application publication date: 20191011 |