CN106971157B - Identity coupling identification method based on multiple linear regression association memory model - Google Patents
Identity coupling identification method based on multiple linear regression association memory model Download PDFInfo
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Abstract
The invention discloses a fingerprint and face coupling identification method based on a multiple linear regression association memory model, which comprises the following steps: s1: collecting a fingerprint picture and a face picture; s2: respectively obtaining an association memory input matrix and an association memory output matrix of the fingerprint picture and the face picture; s3: constructing a multiple linear regression fingerprint picture identification model with regression parameters and a multiple linear regression face picture identification model; s4: calculating regression parameters to obtain a multiple linear regression fingerprint picture identification model and a multiple linear regression face picture identification model; s5: and identifying the fingerprint picture and the face picture. Has the advantages that: the identity information realizes multiple recognition, the reliability is high, the associative memory and the multiple linear regression model are combined, the picture is converted into parameters, the safety factor is high, the recognition effect is good, the identity information protection effect is good, and the secrecy is high.
Description
Technical Field
The invention relates to the technical field of image data storage, in particular to an identity coupling identification method based on a multiple linear regression association memory model.
Background
With the development of the big data era, people usually store daily photos and even identity document photos in a database, so that private information is easy to steal by hackers to sell or conduct illegal criminal activities, the private information of people is leaked, daily life is easily disturbed and even involved in criminal events, and inconvenience is easily caused.
In some organizations that need to perform identity information verification, people's identity information is collected to perform identity verification. Such as collecting human face information or fingerprint information of a person. The information quantity is small, and the identity verification reliability is not high. When the identity information of people is stored, the identity information is usually directly stored, the photos are not processed and stored, the safety factor is low, and the identity information is easy to steal. Once the identity information database is attacked by lawbreakers, the identity information is very easy to be stolen for illegal activities, and unnecessary troubles are caused to people.
Disclosure of Invention
Aiming at the problems, the invention provides an identity coupling identification method based on a multiple linear regression association memory model, which combines the association memory and the multiple linear regression model to convert a human face picture and a fingerprint picture into a series of parameters for storage, realizes double identity verification and has high safety and good reliability.
In order to achieve the purpose, the invention adopts the following specific technical scheme:
an identity coupling identification method based on a multiple linear regression association memory model is characterized by comprising the following steps:
s1: collecting fingerprint pictures and face pictures of people, and numbering the collected fingerprint pictures and face pictures in groups;
s2: processing all the fingerprint pictures and the face pictures obtained in the step S1 into binary pictures by setting a binary picture brightness threshold value to obtain an association memory input matrix and an output matrix of the fingerprint pictures and an association memory input matrix and an output matrix of the face pictures;
s3: constructing two multiple linear regression image recognition models with regression parameters by using a cellular neural network structure, wherein the two multiple linear regression image recognition models are a multiple linear regression fingerprint image recognition model and a multiple linear regression face image recognition model respectively;
s4: respectively calculating the regression parameters in the step S3 according to the associative memory input matrix and the output matrix of the fingerprint picture and the face picture obtained in the step S2 and the two multiple linear regression picture identification models obtained in the step S3, and finally determining a multiple linear regression fingerprint picture identification model and a multiple linear regression face picture identification model;
s5: and respectively identifying the fingerprint picture and the face picture based on a self-association memory criterion.
Further, when performing identity authentication, a fingerprint image and a face image of a user need to be acquired at the same time for double check.
If one of the pictures has a problem in checking, the checking fails. Double checking is realized, the reliability is high, and the reliability of identity information storage is improved.
Further, the binary image brightness threshold K is (0, 1,2,3.. 255);
in step S1, M groups of pictures are included, the corresponding numbers are 1,2,3.. M, all the fingerprint pictures and the face pictures are composed of N rows and M columns of pixel points, and the number of the pixel points is N ═ nxm;
let the binary map matrix of the fingerprint be an input matrix ' ═ X ' of associative memory '1,X′2,…,X′i,…,X′m) I e {1,2, …, m }, represents an input vector consisting of all the pixels in the binary map of the ith fingerprint, wherein,αj′irepresenting the input value of the jth pixel point in the binary image of the ith fingerprint;
setting binary image matrix of fingerprint as output matrix of associative memoryi ∈ {1,2, …, m }, and represents an output vector composed of all pixel points in the binary map of the ith fingerprint, wherein Y'i=(y1′i,y2′i,…,yj′i,…,yn′i)T,i∈{1,2,…,m},j{1,2,…,n},yj′iThe output value of the jth pixel point in the binary image of the ith fingerprint is represented;
the binary image matrix of the face is set as an input matrix ═ (X ″) of associative memory1,X″2,…,X″i,…,X″m) I ∈ {1,2, …, m }, which represents an input vector composed of all the pixel points in the binary image of the ith human face, wherein X ″, wherei=(α1″i,α2″i,…,αj″i,…,αn″i)T,i∈{1,2,…,m},j∈{1,2,…,n},αj″iThe input value of the jth pixel point in the ith human face binary image is represented;
setting binary image matrix of human face as output matrix of associative memoryi belongs to {1,2, …, m }, and represents an output vector consisting of all pixel points in the binary image of the ith human face, wherein Y ″)i=(y1″i,y2″i,…,yj″i,…,yn″i)T,i∈{1,2,…,m},j∈{1,2,…,n},yj″iAnd the output value of the jth pixel point in the ith human face binary image is represented.
Further, the specific content of step S3 is as follows: :
the multivariate linear regression fingerprint picture identification model constructed based on the cellular neural network structure specifically comprises the following steps:
wherein iN=1,2,…,N;jM=1,2,…,M;k1(iN,r)=max{1-iN,-r};k2(iN,r)=min{N-iN,r};l1(jM,r)=max{1-jM,-r};l2(jM,r)=min{M-jMR }; r is a value representing the radius of the template,in order to input the parameters, the user can select the parameters,is the output of the computer system,is an input to the computer system that is,is the amount of the offset that is,is an input template;
let r be 1, then in equation (2)
Formula (1) is rewritten as:
Y′=A′X′+V′ (3)
wherein, the input vector:
output vector
Offset amount
The memory matrix A 'and the offset V' are the regression parameters, and the memory matrix A 'is (a'ij)n×nThe following can be written:
wherein the content of the first and second substances,
the multivariate linear regression human face picture recognition model constructed based on the cellular neural network structure specifically comprises the following steps:
wherein iN=1,2,…,N;jM=1,2,…,M;k1(iN,r)=max{1-iN,-r};k2(iN,r)=min{N-iN,r};l1(jM,r)=max{1-jM,-r};l2(jM,r)=min{M-jMR }; r is a value representing the radius of the template,in order to input the parameters, the user can select the parameters,is the output of the computer system,is an input to the computer system that is,is the amount of the offset that is,is an input template;
let r be 1, then in equation (7)
Equation (6) is rewritten as:
Y″=A″X″+V″ (8)
wherein, the input vector:
output vector
Offset amount
The memory matrix A ' and the offset V ' are the regression parameters, and the memory matrix A ' ═ aij)n×nThe following can be written:
wherein the content of the first and second substances,
further, the specific steps of calculating the unknown regression parameters in step S3 in step S4 are as follows: s41: order vector
Let Y ═ ((Y ″)1)T,(Y″2)T,…,(Y″i)T,…,(Y″m)T)T;Y″=((Y″1)T,(Y″2)T,…,(Y″i)T,…,(Y″m)T)T;
Wherein Y'iAnd Y ″)iRespectively representing column vectors formed by all pixel points in the ith fingerprint binary image and the face binary image;
let l ∈ {1,2, …, m } and q ∈ {1,2, …, N },
then from equation (3) one can derive:
X′·L′=Y' (11)
equation (8) can be found:
X″·L″=Y″ (12)
then
Wherein L 'and L' are constants.
S42: among the self-associative memory criteria, there are:
the fingerprint picture obtained in step S2 is associated with the memory input matrix '((X))'1,X′2,…,X′i,…,X′m) And an output matrixSubstituting the formula (11), the fingerprint picture associative memory input matrix ″ (X ″) obtained in step S2 is stored in the storage unit1,X″2,…,X″i,…,X″m) And an output matrixSubstituted into equation (12) and converting 'to X', willConversion to Y', "to X", willConversion to Y 'gives X'. L1Y' and X ″. L2Y 'to obtain L' ═ L1Pinv (X '). Y' and L ″ -L2=pinv(X″)·Y″;
S43: converting the offset v 'obtained in step S42'jAnd an input templateSubstituting the formula (4) and the formula (5) to obtain a memory matrix A 'and an offset V', and obtaining a multiple linear regression fingerprint image identification model;
the offset v ″' obtained in step S42jAnd an input templateSubstituting the formulas (9) and (10), respectively obtaining a memory matrix A 'and an offset V', and obtaining a multiple linear regression face picture recognition model.
Further, the specific steps of identifying the fingerprint picture and the face picture in step S5 are as follows:
s51: acquiring a fingerprint picture and a face picture, and respectively acquiring input matrixes of the fingerprint picture and the face picture;
s52: inputting the fingerprint picture input matrix into a multiple linear regression fingerprint picture identification model to obtain a model output matrix of the fingerprint picture, and inputting the face picture input matrix into the multiple linear regression face picture identification model to obtain a model output matrix of the face picture;
s53: matching the input matrix obtained in the step S51 with the model output matrix obtained in the step S52 to the fingerprint picture and the human face picture respectively;
s54: let the success rate of matching fingerprint pictures be H1The success rate of matching the face picture is H2Judging whether the identity verification matching degree H is larger than a matching set value H or not, wherein H is H1×H2H is 0-1; if so, the matching is successful, otherwise, the matching is failed. Wherein H is to be satisfied1≥h0,H2≥h0。
The invention has the beneficial effects that: the method combines the self-associative memory with the multivariate linear regression model, converts the fingerprint picture and the face picture into a series of parameters for storage, has high verification reliability because the identity information comprises the fingerprint picture and the face picture, has strong secrecy of the storage mode of the pictures and high safety factor, and effectively prevents the identity information of people from being leaked; the form of converting the picture into the parameters through the model is adopted, so that the method is simple and convenient, good in practicability, good in picture identification effect and good in face picture and fingerprint picture protection effect.
Drawings
FIG. 1 is a flow chart of a picture recognition method of the present invention;
FIG. 2 is a schematic diagram of a position parameter solution for a multiple linear regression fingerprint image recognition model;
FIG. 3 is a schematic diagram of a position parameter solution of a multiple linear regression face picture recognition model.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As shown in fig. 1, an identity coupling identification method based on a multiple linear regression association memory model includes the following steps:
s1: collecting fingerprint pictures and face pictures of people, and numbering the collected fingerprint pictures and face pictures in groups;
when identity information is stored, a fingerprint picture and a face picture of a user need to be acquired at the same time for double check.
If the matching success rate of one picture is lower than the H set value H, the identification of the identity information fails, the reliability of the identification system is high, and the storage reliability of the identity information is improved.
S2: processing the fingerprint picture and the face picture into binary pictures by setting a binary picture brightness threshold value to obtain an association memory input matrix and an output matrix of the fingerprint picture and an association memory input matrix and an output matrix of the face picture;
the binary image brightness threshold K is (0, 1,2,3.. 255); in the present embodiment, K is set to 100.
In step S1, M groups of pictures are included, the corresponding numbers are 1,2,3.. M, all the fingerprint pictures and the face pictures are composed of N rows and M columns of pixel points, and the number of the pixel points is N ═ nxm;
let the binary map matrix of the fingerprint be an input matrix ' ═ X ' of associative memory '1,X′2,…,X′i,…,X′m) I e {1,2, …, m }, represents an input vector consisting of all the pixels in the binary map of the ith fingerprint, wherein,αj′irepresenting the input value of the jth pixel point in the binary image of the ith fingerprint;
setting binary image matrix of fingerprint as output matrix of associative memoryi is belonged to {1,2, …, m }, and represents that all pixel points in the binary image of the ith fingerprint consist ofOutput vector of, where Y'i=(y1′i,y2′i,…,yj′i,…,yn′i)T,i∈{1,2,…,m},j{1,2,…,n},yj′iThe output value of the jth pixel point in the binary image of the ith fingerprint is represented;
the binary image matrix of the face is set as an input matrix ═ (X ″) of associative memory1,X″2,…,X″i,…,X″m) I ∈ {1,2, …, m }, which represents an input vector composed of all the pixel points in the binary image of the ith human face, wherein X ″, wherei=(α1″i,α2″i,…,αj″i,…,αn″i)T,i∈{1,2,…,m},j∈{1,2,…,n},αj″iThe input value of the jth pixel point in the ith human face binary image is represented;
setting binary image matrix of human face as output matrix of associative memoryi belongs to {1,2, …, m }, and represents an output vector consisting of all pixel points in the binary image of the ith human face, wherein Y ″)i=(y1″i,y2″i,…,yj″i,…,yn″i)T,i∈{1,2,…,m},j∈{1,2,…,n},yj″iAnd the output value of the jth pixel point in the ith human face binary image is represented.
In this embodiment, a black pixel (0) in the binary picture is mapped to-1, and a white pixel (255) in the binary picture is mapped to 1.
S3: constructing two multiple linear regression image recognition models with regression parameters by using a cellular neural network structure, wherein the two multiple linear regression image recognition models are a multiple linear regression fingerprint image recognition model and a multiple linear regression face image recognition model respectively;
in this embodiment, a multivariate linear regression fingerprint image recognition model and a multivariate linear face image recognition model are built based on a cellular neural network structure, specifically:
the multivariate linear regression fingerprint picture identification model constructed based on the cellular neural network structure specifically comprises the following steps:
wherein iN=1,2,…,N;jM=1,2,…,M;k1(iN,r)=max{1-iN,-r};k2(iN,r)=min{N-iN,r};l1(jM,r)=max{1-jM,-r};l2(jM,r)=min{M-jMR }; r is a value representing the radius of the template,in order to input the parameters, the user can select the parameters,is the output of the computer system,is an input to the computer system that is,is the amount of the offset that is,is an input template;
Y′=A′X′+V′
wherein, the input vector:
output vector
Offset amount
The memory matrix A 'and the offset V' are the regression parameters, and the memory matrix A 'is (a'ij)n×nThe following can be written:
wherein the content of the first and second substances,
the multivariate linear regression human face picture recognition model constructed based on the cellular neural network structure specifically comprises the following steps:
wherein iN=1,2,…,N;jM=1,2,…,M;k1(iN,r)=max{1-iN,-r};k2(iN,r)=min{N-iN,r};l1(jM,r)=max{1-jM,-r};l2(jM,r)=min{M-jMR }; r is a value representing the radius of the template,in order to input the parameters, the user can select the parameters,is the output of the computer system,is an input to the computer system that is,is the amount of the offset that is,is an input template;
Y″=A″X″+V″
wherein, the input vector:
output vector
Offset amount
The memory matrix A ' and the offset V ' are the regression parameters, and the memory matrix A ' ═ aij)n×nThe following can be written:
wherein the content of the first and second substances,
s4: respectively calculating the regression parameters in the step S3 according to the associative memory input matrix and the output matrix of the fingerprint picture and the face picture obtained in the step S2 and the two multiple linear regression picture identification models obtained in the step S3, and finally determining a multiple linear regression fingerprint picture identification model and a multiple linear regression face picture identification model;
the specific steps of calculating the regression parameters in step S3 in step S4 are:
Let Y ═ be ((Y'1)T,(Y′2)T,…,(Y′i)T,…,(Y′m)T)T,Y″=((Y″1)T,(Y″2)T,…,(Y″i)T,,(Y″m)T)T;
Wherein i ∈ {1,2, …, m }, Y'iAnd Y ″)iRespectively representing column vectors formed by all pixel points in the ith fingerprint binary image and the face binary image;
let l ∈ {1,2, …, m } and q ∈ {1,2, …, N },
then it can be derived from the formula Y '═ a' X '+ V':
X′·L′=Y'
available from the formula Y ═ a "X" + V ":
X″·L″=Y″
therefore, the temperature of the molten metal is controlled,
wherein L 'and L' are constants;
s42: among the self-associative memory criteria, there are:
converting the fingerprint picture associative memory input matrix' obtained in the step S2 intoX', output matrixConverting into Y ', and substituting into a formula X ', L ', or Y ', to obtain L '; converting the face picture associative memory input matrix 'obtained in the step S2 into X', and outputting the matrixThe conversion is Y ", and the formula X ″, L ═ Y ″, is substituted to obtain L". Deriving the offset v 'from L' and the input templateDeriving the offset v 'from L' and the input template
Obtaining a memory matrix A 'and an offset V', and obtaining a multiple linear regression fingerprint image identification model;
Respectively obtaining a memory matrix A 'and an offset V', and obtaining a multiple linear regression face picture recognition model.
S5: and respectively identifying the fingerprint picture and the face picture based on a self-association memory criterion. The method specifically comprises the following steps:
s51: acquiring a fingerprint picture and a face picture, and respectively acquiring input matrixes of the fingerprint picture and the face picture;
s52: inputting the fingerprint picture input matrix into a multiple linear regression fingerprint picture identification model to obtain a model output matrix of the fingerprint picture, and inputting the face picture input matrix into the multiple linear regression face picture identification model to obtain a model output matrix of the face picture;
s53: matching the input matrix obtained in the step S51 with the model output matrix obtained in the step S52 to the fingerprint picture and the human face picture respectively;
s54: let the success rate of matching fingerprint pictures be H1The success rate of matching the face picture is H2Judging whether the identity verification matching degree H is larger than a matching set value H or not, wherein H is H1×H2H is 0-1; if so, matching is successful, otherwise, matching fails, wherein H is also required to be satisfied1≥h0,H2≥h0Wherein h is0=0.92
In the present embodiment, h is 0.9, h0=0.92
It should be noted that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (3)
1. An identity coupling identification method based on a multiple linear regression association memory model is characterized by comprising the following steps:
s1: collecting fingerprint pictures and face pictures of people, and numbering the collected fingerprint pictures and face pictures in groups;
s2: processing all the fingerprint pictures and the face pictures obtained in the step S1 into binary pictures by setting a binary picture brightness threshold value to obtain an association memory input matrix and an output matrix of the fingerprint pictures and an association memory input matrix and an output matrix of the face pictures;
the binary image brightness threshold K is (0, 1,2,3, ·, 255);
in step S1, M groups of pictures are included, the corresponding numbers are 1,2,3.. M, all the fingerprint pictures and the face pictures are composed of N rows and M columns of pixel points, and the number of the pixel points is N ═ nxm;
let the binary map matrix of the fingerprint be an input matrix ' ═ X ' of associative memory '1,X′2,…,X′i,…,X′m) I e {1,2, …, m }, represents an input vector consisting of all the pixels in the binary map of the ith fingerprint, wherein,αj′irepresenting the input value of the jth pixel point in the binary image of the ith fingerprint;
setting binary image matrix of fingerprint as output matrix of associative memory And an output vector composed of all pixel points in the binary image representing the ith fingerprint, wherein, the output value of the jth pixel point in the binary image of the ith fingerprint is represented;
the binary image matrix of the face is set as an input matrix ═ (X ″) of associative memory1,X″2,…,X″i,…,X″m) I e {1,2, …, m }, represents an input vector composed of all the pixels in the binary image of the ith face, wherein,αj″ithe input value of the jth pixel point in the ith human face binary image is represented;
setting binary image matrix of human face as output matrix of associative memory And an output vector composed of all pixel points in the binary image representing the ith human face, wherein,yj″ithe output value of the jth pixel point in the ith human face binary image is represented;
s3: constructing two multiple linear regression image recognition models with regression parameters by using a cellular neural network structure, wherein the two multiple linear regression image recognition models are a multiple linear regression fingerprint image recognition model and a multiple linear regression face image recognition model respectively;
the specific content of step S3 is:
the multivariate linear regression fingerprint picture identification model constructed based on the cellular neural network structure specifically comprises the following steps:
wherein iN=1,2,…,N;jM=1,2,…,M;k1(iN,r)=max{1-iN,-r};k2(iN,r)=min{N-iN,r};l1(jM,r)=max{1-jM,-r};l2(jM,r)=min{M-jMR }; r is a value representing the radius of the template,in order to input the parameters, the user can select the parameters,is the output of the computer system,is an input to the computer system that is,is the amount of the offset that is,is an input template;
let r be 1, then in equation (2)
Formula (1) is rewritten as:
Y′=A′X′+V′ (3)
wherein, the input vector:
output vector
Offset amount
The memory matrix A 'and the offset V' are the regression parameters, and the memory matrix A 'is (a'ij)n×nThe following can be written:
wherein the content of the first and second substances,
the multivariate linear regression human face picture recognition model constructed based on the cellular neural network structure specifically comprises the following steps:
wherein iN=1,2,…,N;jM=1,2,…,M;k1(iN,r)=max{1-iN,-r};k2(iN,r)=min{N-iN,r};l1(jM,r)=max{1-jM,-r};l2(jM,r)=min{M-jMR }; r is a value representing the radius of the template,in order to input the parameters, the user can select the parameters,is the output of the computer system,is an input to the computer system that is,is the amount of the offset that is,is an input template;
let r be 1, then in equation (7)
Equation (6) is rewritten as:
Y″=A″X″+V″ (8)
wherein, the input vector:
output vector
Offset amount
The memory matrix A 'and the offset V' are the regression parameters, the memory matrixThe following can be written:
wherein the content of the first and second substances,
s4: respectively calculating the regression parameters in the step S3 according to the associative memory input matrix and the output matrix of the fingerprint picture and the face picture obtained in the step S2 and the two multiple linear regression picture identification models obtained in the step S3, and finally determining a multiple linear regression fingerprint picture identification model and a multiple linear regression face picture identification model;
the specific steps of calculating the regression parameters in step S3 in step S4 are:
Let Y ═ be ((Y'1)T,(Y′2)T,…,(Y′i)T,…,(Y′m)T)T,Y″=((Y″1)T,(Y″2)T,…,(Y″i)T,…,(Y″m)T)T;
Wherein i ∈ {1,2, …, m }, Y'iAnd Y ″)iRespectively representing column vectors formed by all pixel points in the ith fingerprint binary image and the face binary image;
let l ∈ {1,2, …, m } and q ∈ {1,2, …, N },
then from equation (3) one can derive:
X′·L′=Y' (11)
equation (8) can be found:
X″·L″=Y″ (12)
therefore, the temperature of the molten metal is controlled,
wherein L 'and L' are constants;
s42: among the self-associative memory criteria, there are:
converting the fingerprint picture associative memory input matrix 'obtained in the step S2 into X', and outputting the matrixConverting into Y ', substituting into a formula (11) to obtain L'; converting the face picture associative memory input matrix 'obtained in the step S2 into X', and outputting the matrixConverting into Y 'and substituting into a formula (12) to obtain L'; deriving the offset v 'from L' and the input templateDeriving the offset v 'from L' and the input template
S43: converting the offset v 'obtained in step S42'jAnd an input templateSubstituting the formula (4) and the formula (5) to obtain a memory matrix A 'and an offset V', and obtaining a multiple linear regression fingerprint image identification model;
the offset v ″' obtained in step S42jAnd an input templateSubstituting the formula (9) and the formula (10), and respectively obtaining a memory matrix A 'and an offset V', and obtaining a multiple linear regression face picture recognition model;
s5: respectively identifying the fingerprint picture and the face picture based on a self-association memory criterion;
the method combines the self-associative memory with the multivariate linear regression model, converts the fingerprint picture and the face picture into a series of parameters for storage, has high verification reliability because the identity information comprises the fingerprint picture and the face picture, has strong secrecy of the storage mode of the pictures and high safety factor, and effectively prevents the identity information of people from being leaked; the form of converting the picture into the parameters through the model is adopted, so that the method is simple and convenient, good in practicability, good in picture identification effect and good in face picture and fingerprint picture protection effect.
2. The identity coupling identification method based on the multiple linear regression association memory model as claimed in claim 1, wherein: when the identity authentication is performed, a fingerprint picture and a face picture of a user need to be acquired at the same time for double check.
3. The identity coupling identification method based on the multiple linear regression association memory model according to claim 1 or 2, wherein the specific steps of identifying the fingerprint picture and the face picture in the step S5 are as follows:
s51: acquiring a fingerprint picture and a face picture, and respectively acquiring input matrixes of the fingerprint picture and the face picture;
s52: inputting the fingerprint picture input matrix into a multiple linear regression fingerprint picture identification model to obtain a model output matrix of the fingerprint picture, and inputting the face picture input matrix into the multiple linear regression face picture identification model to obtain a model output matrix of the face picture;
s53: matching the input matrix obtained in the step S51 with the model output matrix obtained in the step S52 to the fingerprint picture and the human face picture respectively;
s54: let the success rate of matching fingerprint pictures be H1The success rate of matching the face picture is H2Judging whether the identity verification matching degree H is larger than a matching set value H or not, wherein H is H1×H2H is 0-1; if so, the matching is successful, otherwise, the matching is failed.
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