CN103345616A - Fingerprint storage comparison system based on behavioral analysis - Google Patents
Fingerprint storage comparison system based on behavioral analysis Download PDFInfo
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- CN103345616A CN103345616A CN2013102429939A CN201310242993A CN103345616A CN 103345616 A CN103345616 A CN 103345616A CN 2013102429939 A CN2013102429939 A CN 2013102429939A CN 201310242993 A CN201310242993 A CN 201310242993A CN 103345616 A CN103345616 A CN 103345616A
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Abstract
The invention discloses a fingerprint storage comparison system based on behavioral analysis, and relates to the field of fingerprint comparison. The system comprises an upper level server and a plurality of sub servers in comparison regions. The upper level server comprises a signaling control module, a fingerprint database which is not commonly used and an all fingerprint database backup module. The signaling control module is used for forwarding and responding to all signaling and controlling transmission of instructions, the fingerprint database which is not commonly used is used for storing storage and comparison of fingerprint modules which are not commonly used in a management region, the all fingerprint database backup module is used for backing up all fingerprint modules in the region, each comparison region comprises a sub server and a plurality of local nodes, and each sub server also comprises a signaling control module, a fingerprint database which is not commonly used and an all fingerprint database backup module. The fingerprint storage comparison system can effectively reduce the comparison range, shortens comparison time and improves comparison efficiency.
Description
Technical field
The present invention relates to the fingerprint comparison field, particularly relate to a kind of system that compares based on the fingerprint storage of behavioural analysis.
Background technology
The biological identification technology is to utilize human body biological characteristics to determine the technology of personal identification, can be widely used in fields such as criminal investigation, safety, bank.In using at present, fingerprint recognition and DNA recognition technology are comparatively ripe, wherein fingerprint because of be easy to collection, feature relatively waits characteristics easily, becomes the human body biological characteristics of the most normal use, fingerprint recognition has also been captured most biological identification technology market rapidly.Fingerprint comparison has all obtained using widely in a lot of fields as a kind of biological identification technology.Judge whether fingerprint is legal, need fingerprint characteristic value to be compared and comparison fingerprint characteristic value be compared by the fingerprint comparison algorithm, when the similarity of two pieces of fingerprints greater than threshold value the time, judge that namely this fingerprint is legal.In the storage finger print data, for simple application, the storage eigenwert gets final product, but the higher occasion of security level required need be stored the original image of fingerprint.In small-scale application, the storage of the comparison of fingerprint characteristic value and original fingerprint picture can easily satisfy the demands.
But, increase along with the fingerprint customer volume, fingerprint base increases gradually, in large-scale fingerprint storage and comparison are used, especially reach ten thousand grades when fingerprint base, even 1,000,000 grades the time, from N fingerprint template, find out the current fingerprint that authenticates of needing, N is the natural number greater than 1, and the 1:N comparison of fingerprint will propose very high requirement to equipment, algorithm, time.In order to shorten the fingerprint comparison time, traditional mode is: to coding of fingerprint binding, when carrying out fingerprint comparison, the comparison of encoding earlier, compare again after finding the corresponding fingerprint of coding, thereby the comparison of 1:N is converted into the comparison of 1:1, perhaps adopt the concentrating type mainframe computer to compare, though these can shorten the time of fingerprint comparison to a certain extent, but do not tackle the problem at its root, when comparing on a large scale simultaneously for the multi-user, still can't better tackle.When the fingerprint user exports a fingerprint, traditional mode need be submitted to fingerprint large-scale backstage fingerprint database, form according to database, may adopt centralized comparison or distributed comparison, make each comparison all must adopt the mode of 1:N to carry out like this, when N was big, efficient is very low, and was consuming time longer.
Summary of the invention
The objective of the invention is in order to overcome the deficiency of above-mentioned background technology, a kind of system that compares based on the fingerprint storage of behavioural analysis is provided, the comparison scope that can effectively dwindle fingerprint, the comparison time of shortening fingerprint, the comparison efficiency of raising fingerprint.
The system that compares based on the fingerprint storage of behavioural analysis provided by the invention, comprise the child servers in higher level's server and the some comparisons zone, higher level's server comprises the signaling control module, be of little use fingerprint base and whole fingerprint base backup modules, and the signaling control module is finished the assigning of forwarding, answer and steering order of all signalings; The fingerprint base that is of little use is used for its management area of storage be of little use storage and the comparison of fingerprint module; All the fingerprint base backup module is used for all fingerprint templates in the one's respective area are backed up; Comprise child servers and some local nodes in each comparison zone, each child servers also comprises the signaling control module, fingerprint base and whole fingerprint base backup module are of little use, each child servers is managed some local nodes, and some local nodes of child servers and its management constitute a comparison zone;
The server of storage fingerprint is based on user's behavioural characteristic, each fingerprint template in the fingerprint base is added time frequency label and locus label, fingerprint template is carried out different classifications according to the time frequency with the locus, each comparison process is decomposed into local comparison, network comparison and three ranks of server comparison, corresponding the most frequently used local fingerprint base, network fingerprinting storehouse commonly used and the server fingerprint base that is of little use respectively, comparison process occurs in local fingerprint base at first each time, carry out this locality comparison, if local the comparison successfully then obtains the result; If the network comparison is then carried out in local comparison failure, use the fingerprint base of some geographic coverages to carry out the distributed network comparison, if network is compared successfully, then obtain the result; If the server comparison is then carried out in network comparison failure, use the fingerprint base that is of little use of server stores to compare, if server is compared successfully, then return results if server is compared failure, then returns the comparison failure information.
On the basis of technique scheme, the time frequency label of described fingerprint template also is the usage frequency label, each fingerprint in the fingerprint base, corresponding usage frequency label, be used for indicating the operating position of this fingerprint, usage frequency is divided into level Four, what usage frequency was the highest is the A level, nearest three months used is the B level, and nearest 1 year used is the C level, and what usage frequency was minimum is the D level, fingerprint template is stored in a plurality of storehouses, in its usage frequency the highest local node is left user's fingerprint in its memory location of mark in whole fingerprint bases backups, and the local node around it constitutes the network fingerprinting storehouse with this local node.
On the basis of technique scheme, the storage organization of described fingerprint base is divided into two-layer, comprise the storage of server stores and local node, usage frequency is that the fingerprint template of A, B level is stored in this locality, usage frequency is that the fingerprint template of C, D level is stored in server end, all local fingerprint bases are formed the network fingerprinting storehouse by net connection together; Simultaneously, all fingerprint bases are all preserved a copy at server end, and this copy is the usefulness of fingerprint base backup, when some local nodes damage the generation loss of data, are used for the data of this local node are recovered; When server end damages, server will carry out data from each local fingerprint base by network and recover.
On the basis of technique scheme, the comparison flow process of described fingerprint is as follows:
As fingerprint user after the output of some local nodes is waited to contrast fingerprint in system, system will preferentially carry out local fingerprint base comparison, if local the comparison successfully, then directly successful result is compared in acquisition; If local comparison failure, then this local node mails to server with fingerprint to be compared, by server forwards other local nodes to its management, each local node adopts local fingerprint base separately to carry out the network comparison, and return the network comparison result, if network is compared successfully, system returns the successful result of comparison; If network comparison failure, the fingerprint base that is of little use of server calls server inside carries out the server comparison, if server is compared successfully, system returns the successful result of comparison; If server comparison failure, then system returns the result of comparison failure.
On the basis of technique scheme, after described local fingerprint base was compared successfully, local node upgraded the usage frequency in the local fingerprint base, behind the renewal usage frequency, if the fingerprint template that usage frequency is C, D level do not occur in the local fingerprint base, then keep current fingerprint base state; If usage frequency is the fingerprint template of C, D level, then the fingerprint base that is of little use that this template is mail in the server is stored, and it is deleted from local fingerprint base, with the most frequently used fingerprint base that is that guarantees to deposit in the local fingerprint base.
On the basis of technique scheme, after described network fingerprinting storehouse is compared successfully, success is compared the local node of this fingerprint template in the server return results, also this fingerprint template is sent to server, by server comparison result and this fingerprint template are transmitted to source node together, source node adds local fingerprint base with it after obtaining fingerprint template, and its usage frequency is set is the B level.
On the basis of technique scheme, after described server is compared successfully, by server this fingerprint template and comparison result are issued source node together in the fingerprint base that is of little use, server is deleted this fingerprint template from the fingerprint base that is of little use simultaneously; Source node adds local fingerprint base with this fingerprint template, and the usage frequency of this fingerprint template is set after obtaining this fingerprint template.
On the basis of technique scheme, when the fingerprint template memory location changed, server all upgraded the memory location of each fingerprint template in whole fingerprint backup libraries, and regularly and each local node check the memory location.
On the basis of technique scheme, described local node comprises control mainboard, finger print acquisition module, local storage, network interface and touch display screen, described finger print acquisition module, local storage, network interface, touch display screen all link to each other with the control mainboard, finger print acquisition module provides the fingerprint input interface for the fingerprint user, and the fingerprint image that collects is converted to digital picture passes to the control mainboard; The control mainboard is for the treatment of the processing of operation, human-computer interactive control, the extraction of fingerprint image characteristics value, local fingerprint comparison and the signaling of child node control program; Touch display screen is used for externally providing human-computer interaction interface; Local storage is used for the storage fingerprint; Network interface is used for providing data and the signalling path of inside and outside.
Compared with prior art, advantage of the present invention is as follows:
(1) the present invention adopts local and the two-layer storage mode of server, local, network, three layers of comparison mode of server, by analyzing fingerprint user's behavior rule, with fingerprint user's finger print information along with the time in this user behavior, characteristics on the space are carried out classification storage and comparison, large-scale fingerprint comparison is disassembled comparison among a small circle, avoid each comparison of user fingerprints all to need whole fingerprint base is searched for, can improve the hit rate of this locality comparison of fingerprint and whole to specific efficiency, effectively solve the low problem of extensive fingerprint base 1:N comparison efficiency, be fit to very much be applied in Internet bar's finger print identifying, the ticketing finger print identifying, gate inhibition's finger print identifyings etc. need the safety certification occasion of extensive fingerprint comparison.
(2) only preserve the highest or most recently used fingerprint template of usage frequency in the local fingerprint base of the present invention, can control local comparison scale, reduce comparison time.
(3) Distributed Calculation is adopted in the network fingerprinting storehouse, to the calculating of comparing simultaneously of a plurality of local nodes, can effectively improve counting yield, avoids using the large server calculating of comparing.
Description of drawings
Fig. 1 is based on the structured flowchart of the system of the fingerprint storage of behavioural analysis comparison in the embodiment of the invention.
Fig. 2 is the structured flowchart in single comparison zone in the embodiment of the invention.
Fig. 3 is the storage organization block diagram of fingerprint base in the embodiment of the invention.
Fig. 4 is the process flow diagram of comparison fingerprint in the embodiment of the invention
Fig. 5 is the structured flowchart of local node in the embodiment of the invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and the specific embodiments.
Referring to shown in Figure 1, the system that the fingerprint storage based on behavioural analysis that the embodiment of the invention provides is compared comprises the child servers in higher level's server and the some comparisons zone, higher level's server comprises the signaling control module, be of little use fingerprint base and whole fingerprint base backup modules, and the signaling control module is finished the assigning of forwarding, answer and steering order of all signalings; The fingerprint base that is of little use is used for its management area of storage be of little use storage and the comparison of fingerprint module; All the fingerprint base backup modules are used for all fingerprint templates in the one's respective area are backed up, and prevent that node from damaging and the loss of data that causes.
Referring to shown in Figure 2, comprise child servers and some local nodes in each comparison zone, each child servers also comprises the signaling control module, fingerprint base and whole fingerprint base backup module are of little use, use the difference of scale according to reality, can adopt a plurality of child servers to carry out the cascade management, n local node of each child servers management, n is the natural number greater than 1, the n of child servers and its management local node constitutes a comparison zone, when reality is used when larger, can form a plurality of comparisons zone, increase higher level's server and come all comparison zones are managed.By that analogy, when more massive use, the n of the server of higher level shown in Fig. 1 and its management comparison zone forms a medium comparison zone, can increase one-level higher level server again on a plurality of medium comparisons zone and manage.
The server of storage fingerprint is based on user's behavioural characteristic, each fingerprint template in the fingerprint base is added time frequency label and locus label, fingerprint template is carried out different classifications according to the time frequency with the locus, each comparison process is decomposed into local comparison, network comparison and three ranks of server comparison, the local fingerprint base that difference is corresponding the most frequently used, network fingerprinting storehouse commonly used and the server fingerprint base that is of little use, comparison process occurs in local fingerprint base at first each time, carry out this locality comparison, if local the comparison successfully can obtain the result at once; If the network comparison is then carried out in local comparison failure immediately, use the fingerprint base of some geographic coverages to carry out the distributed network comparison, if network is compared successfully, can obtain the result at once; If the server comparison is then carried out in network comparison failure, use the fingerprint base that is of little use of server stores to compare, if server is compared successfully return results then; If the comparison failure information is then returned in server comparison failure.
Referring to shown in Figure 3, the time frequency label of fingerprint template also is the usage frequency label, each fingerprint in the fingerprint base, and corresponding usage frequency label is for the operating position of indicating this fingerprint.Usage frequency is divided into level Four, and what usage frequency was the highest is the A level, and nearest three months used is the B level, and nearest 1 year used is the C level, and what usage frequency was minimum is the D level.Fingerprint template allows to be stored in a plurality of storehouses, its memory location of mark in all fingerprint base backs up.In the real life, everyone frequent scope of activities mostly is a fixed area greatly, and its usage frequency mostly to be a node the highest, around it radially.Therefore, leave user's fingerprint in its usage frequency the highest local node, the local node around it constitutes the network fingerprinting storehouse with this local node, will effectively improve fingerprint comparison efficient, shortens comparison time; When fingerprint carried out the network comparison, a plurality of local nodes adopted Distributed Calculation, and the computation rate height is very low to the requirement of server.
Therefore, be the efficient comparison of assurance system and the data security of fingerprint base, the storage organization of fingerprint base is divided into two-layer in the embodiment of the invention, comprise the storage of server stores and local node, the higher fingerprint template (A, B level) of usage frequency is stored in this locality, the fingerprint template that usage frequency is lower (C, D level) is stored in server end, and all local fingerprint bases are formed the network fingerprinting storehouse by net connection together.Simultaneously, all fingerprint bases are all preserved a copy at server end, and this copy is the usefulness of fingerprint base backup, when some local nodes damage the generation loss of data, are used for the data of this local node are recovered; Equally, when server end damages, server will carry out data from each local fingerprint base by network and recover.
Referring to shown in Figure 4, the idiographic flow of fingerprint comparison is as follows:
As fingerprint user after the output of some local nodes is waited to contrast fingerprint in system, system will preferentially carry out local fingerprint base comparison, if local the comparison successfully, then shown in the dotted line 1 among Fig. 4, directly successful result is compared in acquisition; If local comparison failure, then shown in the dotted line 2 among Fig. 4, this local node mails to server with fingerprint to be compared, by server forwards other local nodes to its management, each local node adopts local fingerprint base to carry out the network comparison, and returns the network comparison result, if network is compared successfully, then shown in the dotted line 2 among Fig. 4, system returns the successful result of comparison; If network comparison failure, then shown in the dotted line 3 among Fig. 4, the fingerprint base that is of little use of server calls server inside carries out the server comparison, if server is compared successfully, then shown in the dotted line 3 among Fig. 4, system returns the successful result of comparison; If server comparison failure, then shown in the dotted line 4 among Fig. 4, system returns the result of comparison failure.
In the process shown in the dotted line 1, after local fingerprint base was compared successfully, local node upgraded the usage frequency in the local fingerprint base, behind the renewal usage frequency, if the fingerprint template that usage frequency is C, D level do not occur in the local fingerprint base, then keep current fingerprint base state; If usage frequency is the fingerprint template of C, D level, then the fingerprint base that is of little use that this template is mail in the server is stored, and it is deleted from local fingerprint base, with the most frequently used fingerprint base that is that guarantees to deposit in the local fingerprint base.
In the process shown in the dotted line 2, after the network fingerprinting storehouse is compared successfully, success is compared the local node of this fingerprint template in the server return results, also this fingerprint template is sent to server, by server comparison result and this fingerprint template are transmitted to source node together, source node adds local fingerprint base with it after obtaining fingerprint template, and its usage frequency is set is the B level.
In the process shown in the dotted line 3, after server is compared successfully, by server this fingerprint template and comparison result are issued source node together in the fingerprint base that is of little use, server is deleted this fingerprint template from the fingerprint base that is of little use simultaneously.Equally, source node adds local fingerprint base with this fingerprint template, and the usage frequency of this fingerprint template is set after obtaining this fingerprint template.
In above-mentioned dotted line 1,2,3 the process, when the fingerprint template memory location changes, server all upgrades the memory location of each fingerprint template in whole fingerprint backup libraries, and regularly checks the memory location with each local node, with the complete sum data security in assurance system fingerprint storehouse.
In the fingerprint storage comparison system of the embodiment of the invention, the general computing machine with big capacity hard disk and high-performance calculation ability that adopts of server, the general professional equipment with finger print input device, human-computer interaction interface etc. that adopts of local node.
Referring to shown in Figure 5, local node comprises control mainboard, finger print acquisition module, local storage, network interface and touch display screen, finger print acquisition module, local storage, network interface, touch display screen all link to each other with the control mainboard, wherein finger print acquisition module provides the fingerprint input interface for the fingerprint user, and the fingerprint image that collects is converted to digital picture passes to the control mainboard; The control mainboard comprises the driving circuit of processor and other equipment, mainly for the treatment of the processing of operation, human-computer interactive control, the extraction of fingerprint image characteristics value, local fingerprint comparison and the signaling of child node control program; Touch display screen is used for externally providing human-computer interaction interface; Local storage is used for the storage fingerprint; Network interface is used for providing data and the signalling path of inside and outside.
The principle of the embodiment of the invention is as follows:
The embodiment of the invention is analyzed according to user's agenda custom, and fingerprint base is deposited and compared by actual usage frequency and use zone, meets most of practical situations of finger print identifying.In fact, fingerprint user's behavior, usually have certain rules in time with on the space, for example certain user often uses A fingerprint terminal device to carry out finger print identifying in certain time period, often uses B fingerprint terminal device to carry out finger print identifying in the another one time period.Each node under the same server controls is formed a comparison zone, and the fingerprint in the comparison zone is formed the network fingerprinting storehouse, and is corresponding with the frequent scope of activities in user's the behavioural habits.Carry out analytic statistics by the behavior to the fingerprint user, with fingerprint user's finger print information along with the characteristics on time, the space in this user behavior are carried out classification storage and comparison, by disassembling comparison process, fingerprint comparison is preferentially carried out among a small circle comparison according to user's behavioural habits feature, avoid each comparison of user fingerprints all to need whole fingerprint base is searched for, effectively drawdown ratio is to scope, improve single comparison hit rate, reduce the fingerprint comparison time, improve system's comparison efficiency.
Those skilled in the art can carry out various modifications and variations to the embodiment of the invention, if these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then these modifications and modification are also within protection scope of the present invention.
The content of not describing in detail in the instructions is for well known to a person skilled in the art prior art.
Claims (9)
1. system based on the comparison of the fingerprint storage of behavioural analysis, it is characterized in that, comprise the child servers in higher level's server and the some comparisons zone, higher level's server comprises the signaling control module, be of little use fingerprint base and whole fingerprint base backup modules, and the signaling control module is finished the assigning of forwarding, answer and steering order of all signalings; The fingerprint base that is of little use is used for its management area of storage be of little use storage and the comparison of fingerprint module; All the fingerprint base backup module is used for all fingerprint templates in the one's respective area are backed up; Comprise child servers and some local nodes in each comparison zone, each child servers also comprises the signaling control module, fingerprint base and whole fingerprint base backup module are of little use, each child servers is managed some local nodes, and some local nodes of child servers and its management constitute a comparison zone;
The server of storage fingerprint is based on user's behavioural characteristic, each fingerprint template in the fingerprint base is added time frequency label and locus label, fingerprint template is carried out different classifications according to the time frequency with the locus, each comparison process is decomposed into local comparison, network comparison and three ranks of server comparison, corresponding the most frequently used local fingerprint base, network fingerprinting storehouse commonly used and the server fingerprint base that is of little use respectively, comparison process occurs in local fingerprint base at first each time, carry out this locality comparison, if local the comparison successfully then obtains the result; If the network comparison is then carried out in local comparison failure, use the fingerprint base of some geographic coverages to carry out the distributed network comparison, if network is compared successfully, then obtain the result; If the server comparison is then carried out in network comparison failure, use the fingerprint base that is of little use of server stores to compare, if server is compared successfully, then return results if server is compared failure, then returns the comparison failure information.
2. the system of the fingerprint storage comparison based on behavioural analysis as claimed in claim 1, it is characterized in that: the time frequency label of described fingerprint template also is the usage frequency label, each fingerprint in the fingerprint base, corresponding usage frequency label, be used for indicating the operating position of this fingerprint, usage frequency is divided into level Four, what usage frequency was the highest is the A level, nearest three months used is the B level, nearest 1 year used is the C level, what usage frequency was minimum is the D level, fingerprint template is stored in a plurality of storehouses, in its usage frequency the highest local node is left user's fingerprint in its memory location of mark in whole fingerprint bases backups, and the local node around it constitutes the network fingerprinting storehouse with this local node.
3. the system of the fingerprint storage comparison based on behavioural analysis as claimed in claim 2, it is characterized in that: the storage organization of described fingerprint base is divided into two-layer, comprise the storage of server stores and local node, usage frequency is that the fingerprint template of A, B level is stored in this locality, usage frequency is that the fingerprint template of C, D level is stored in server end, all local fingerprint bases are formed the network fingerprinting storehouse by net connection together; Simultaneously, all fingerprint bases are all preserved a copy at server end, and this copy is the usefulness of fingerprint base backup, when some local nodes damage the generation loss of data, are used for the data of this local node are recovered; When server end damages, server will carry out data from each local fingerprint base by network and recover.
4. the system of the fingerprint storage comparison based on behavioural analysis as claimed in claim 3, it is characterized in that: the comparison flow process of described fingerprint is as follows:
As fingerprint user after the output of some local nodes is waited to contrast fingerprint in system, system will preferentially carry out local fingerprint base comparison, if local the comparison successfully, then directly successful result is compared in acquisition; If local comparison failure, then this local node mails to server with fingerprint to be compared, by server forwards other local nodes to its management, each local node adopts local fingerprint base separately to carry out the network comparison, and return the network comparison result, if network is compared successfully, system returns the successful result of comparison; If network comparison failure, the fingerprint base that is of little use of server calls server inside carries out the server comparison, if server is compared successfully, system returns the successful result of comparison; If server comparison failure, then system returns the result of comparison failure.
5. the system of the fingerprint storage comparison based on behavioural analysis as claimed in claim 4, it is characterized in that: after described local fingerprint base is compared successfully, local node upgrades the usage frequency in the local fingerprint base, after upgrading usage frequency, if the fingerprint template that usage frequency is C, D level do not occur in the local fingerprint base, then keep current fingerprint base state; If usage frequency is the fingerprint template of C, D level, then the fingerprint base that is of little use that this template is mail in the server is stored, and it is deleted from local fingerprint base, with the most frequently used fingerprint base that is that guarantees to deposit in the local fingerprint base.
6. the system of the fingerprint storage comparison based on behavioural analysis as claimed in claim 4, it is characterized in that: after described network fingerprinting storehouse is compared successfully, success is compared the local node of this fingerprint template in the server return results, also this fingerprint template is sent to server, by server comparison result and this fingerprint template are transmitted to source node together, source node adds local fingerprint base with it after obtaining fingerprint template, and its usage frequency is set is the B level.
7. the system of the fingerprint storage comparison based on behavioural analysis as claimed in claim 4, it is characterized in that: after described server is compared successfully in the fingerprint base that is of little use, by server this fingerprint template and comparison result are issued source node together, server is deleted this fingerprint template from the fingerprint base that is of little use simultaneously; Source node adds local fingerprint base with this fingerprint template, and the usage frequency of this fingerprint template is set after obtaining this fingerprint template.
8. as each described system that compares based on the fingerprint storage of behavioural analysis in the claim 4 to 7, it is characterized in that: when the fingerprint template memory location changes, server all upgrades the memory location of each fingerprint template in whole fingerprint backup libraries, and regularly and each local node check the memory location.
9. as each described system that compares based on the fingerprint storage of behavioural analysis in the claim 2 to 7, it is characterized in that: described local node comprises control mainboard, finger print acquisition module, local storage, network interface and touch display screen, described finger print acquisition module, local storage, network interface, touch display screen all link to each other with the control mainboard, finger print acquisition module provides the fingerprint input interface for the fingerprint user, and the fingerprint image that collects is converted to digital picture passes to the control mainboard; The control mainboard is for the treatment of the processing of operation, human-computer interactive control, the extraction of fingerprint image characteristics value, local fingerprint comparison and the signaling of child node control program; Touch display screen is used for externally providing human-computer interaction interface; Local storage is used for the storage fingerprint; Network interface is used for providing data and the signalling path of inside and outside.
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| CN106845198A (en) * | 2017-01-23 | 2017-06-13 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method and apparatus of fingerprint authentication |
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| CN112395904A (en) * | 2019-08-12 | 2021-02-23 | 北京蜂盒科技有限公司 | Biological feature recognition method and system |
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