CN1760858A - Control system for identifying and searching fingerprints in mass quantity - Google Patents

Control system for identifying and searching fingerprints in mass quantity Download PDF

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Publication number
CN1760858A
CN1760858A CN 200410067173 CN200410067173A CN1760858A CN 1760858 A CN1760858 A CN 1760858A CN 200410067173 CN200410067173 CN 200410067173 CN 200410067173 A CN200410067173 A CN 200410067173A CN 1760858 A CN1760858 A CN 1760858A
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China
Prior art keywords
service managerz
retrieval
task
control system
fingerprint
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CN 200410067173
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Chinese (zh)
Inventor
翁祖庭
谭晓洪
徐凯
付鑫法
王德广
刘永昌
冯嘉礼
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Shanghai Maritime University
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Shanghai Maritime University
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Priority to CN 200410067173 priority Critical patent/CN1760858A/en
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Abstract

The control system includes at least a main service manager with an interface for connecting to networked file server, and at least a main searching processor connected to the main service manager. Or, the control system also includes at least a secondary service manager, and at least a secondary searching processor. The said system is structured in tree structure. Once fault even paralysis occurs at a node, other nodes are capable of operating work continuously so as to guarantee safe operation of system. If only images of fingerprints exist, the invention still can search out matched information of fingerprint including detailed information of owner of the fingerprint. Features are: low requirement of computer as carrier, concise parallel framework, low communication delay and low computation cost. The system can be changed flexibly in scale based on task of computation and requirement of time for processing task.

Description

Control system for identifying and searching fingerprints in mass quantity
Technical field
The present invention relates to a kind of control system for identifying and searching fingerprints in mass quantity.
Background technology
Current fingerprint identification technology reaches its maturity, and under the guidance of various theories of algorithm, accurate, the rapidity of identification are guaranteed, and system is stable, and reject rate is also very low.On this basis, the less fingerprint recognition product of some calculated amount is developed and puts goods on the market, such as: fingerprint gate lock, fingerprint attendance machine, fingerprint safe, Fingerprint Lock mobile phone, Fingerprint Lock laptop computer, or the like.
Yet because the restriction of algorithm and computing machine, the said goods exists that the fingerprint base capacity is little, the low inferior problem of computation capability, be implemented in when searching out target fingerprint in the high-volume database, and efficient is too low, and cost is too high.In the patented claim of disclosed " method of global finger print identifying " (application number is 01123671.X) by name on March 9th, 2003, provide a kind of method of in the magnanimity fingerprint database, searching for.After this method requires to understand fingerprint owner's details, in the fingerprint database that has greatly dwindled, search for fingerprint.But under the situation of unknown fingerprint detailed attributes, this method is obviously unworkable.
Realize this target, main difficulty is huge finger print data storage and the demand of client to supercomputing.
Summary of the invention
The present invention is the defective that overcomes in the technology formerly, by a tree-shaped dcs and fine-grained parallel algorithm, realizes the target fingerprint retrieval in the magnanimity fingerprint database.
Native system comprises at least one main service managerZ-HU that has the connecting port that connects with NetWare file server, at least one the main retrieve processor that links with main service managerZ-HU.At least one pair retrieve processor that perhaps also comprises at least one pair service managerZ-HU and link with pair service managerZ-HU.
The present invention is by at least one main retrieve processor of a main service managerZ-HU control, or at least one pair of retrieve processor of controlling at least one pair of service managerZ-HU and linking to each other with pair service managerZ-HU, finishes the retrieval service of total system.Said structure has presented tree structure.Wherein main service managerZ-HU is a root node, and all retrieve processor are leaf node, and paying service managerZ-HU is non-leaf point.All leaf nodes must be retrieve processor in the tree structure, and all non-leaf nodes must be to pay service managerZ-HU.Wherein the integral body of all nodes of all child nodes of main service managerZ-HU and following each layer thereof is called the subsystem of main service managerZ-HU in the tree structure.
Said main service managerZ-HU is responsible for receiving the retrieval service request, arranges retrieval tasks, sums up the result for retrieval that fed back by retrieve processor and feeds back total result for retrieval to the requesting party;
Said retrieve processor is responsible for receiving the retrieval tasks that the top service manager sends, and submits identification mission to, feedback processing result and send the state variation of this retrieve processor to the upper strata service managerZ-HU;
Said NetWare file server is a magnanimity finger print information database, comprises the fingerprint image characteristics information of magnanimity and fingerprint master message etc.
Service managerZ-HU is responsible for controlling retrieve processor and is logined and duplicate certain data to file server (being the finger print information database).When a retrieve processor inserts native system, this retrieve processor is upwards applied for the finger print information database layer by layer by its father node, and finally by the main service managerZ-HU of root node status information according to total system, assign downloading task layer by layer downwards, and oneself finish downloading task by this retrieve processor at last.
Wherein, the status information of retrieve processor comprises: normal, the collapse (can not restart) that performance, the retrieve processor that fingerprint database that the position of retrieve processor (IP), finger print information database are stored is described, retrieve processor is handled the fingerprint retrieval be current to be in or close a certain state in (can restart).Said finger print information database each data item usually all comprises fingerprint image data ID, fingerprint image data, fingerprint owner identification code (ID), these several territories of fingerprint master message at least.Wherein comprise sex, native place, the information of date of birth (but compute age) in the fingerprint master message at least.The description of finger print information database is meant and has comprised identification code (ID) scope of specifying sex, specifying the native place, specifying the fingerprint owner at age in the status information.This information can be the description of data of the actual storage of certain retrieve processor, also can be the summation of a certain service managerZ-HU to the data description of each node in its subordinate's subsystem.The performance that retrieve processor is handled the fingerprint retrieval is meant the number of handling fingerprint recognition in the status information in certain searcher unit interval, or the sum total of the processing speed of the subsystem of certain service managerZ-HU.
System of the present invention is implemented between every layer of tree structure and all realizes transparent service.Be that the subsystem state information that any one service managerZ-HU is managed includes only all service managerZ-HUs of the lower floor that directly links to each other with this service managerZ-HU or the status information of retrieve processor.And this information is submitted to the service managerZ-HU of upper strata root (father) node that directly links to each other with it as the status information of this node.In like manner, for the task bag, service managerZ-HU with the task bag issue it each service managerZ-HU of lower floor and the retrieve processor that directly link to each other, feedback from the processing of their acquisition tasks, and with after the last feedback result analysis-by-synthesis, submit to the service managerZ-HU on upper strata, as the task result of this node.
Service managerZ-HU and retrieve processor in the framework of system of the present invention are all logical block.Each adds the computing machine of native system can be according to the actual performance build-in services manager or the retrieve processor of this machine, also build-in services manager and retrieve processor simultaneously.For guaranteeing data security, NetWare file server is installed in one and independently can provides in the computer system of the interior access services of LAN (Local Area Network) (perhaps not connecting LAN (Local Area Network)).
The outstanding advantage of control system for identifying and searching fingerprints in mass quantity of the present invention is:
1, the calculating granularity of parallel computation can be adjusted flexibly according to the performance of concrete computing machine, is convenient to the performance of every computing machine in the performance system.And when having only fingerprint image, just can retrieve the finger print information that is complementary, comprise fingerprint owner's details.
2, System Fault Tolerance of the present invention is strong.System of the present invention joins together computing machine and file backup and data redundancy storage.Pay service managerZ-HU because comprise at least one retrieve processor and at least one on leaf node of the present invention and the non-leaf node.Therefore in case certain node breaks down, thereby other node can work on and guaranteed to break down when components of system as directed node of the present invention, even under the situation of paralysis, can continue to execute the task to handle and operate as normal can in time be recovered by the assurance system.
3, retrieval control system of the present invention is lower for the computing machine requirement as carrier, and parallel framework is terse, communication delay is low, the speed-up ratio height of parallel computation.The performance that adds the computing machine of system-computed can directly be utilized by system.
4, the extensibility height of system of the present invention.The required change of expanding system is few.Be easy to according to the task of concrete calculating and the time requirement that task is handled, the scale of altering system flexibly.
5, counting yield height, and it is low to assess the cost.The computing machine of adding system can be the lower general computing machine of performance and price.Improve system performance only need the increase system in the number of computing machine get final product.
6, system of the present invention adopts modular design, and communication module is independent of the computing module, fingerprint identification module is independent of the task analysis module.Be convenient in different communication networks, use.And can use the fingerprint identification module of appointment as required.
Description of drawings
Fig. 1 is the structural representation that the present invention retrieves control system.
Fig. 2 is the workflow diagram that the present invention retrieves service managerZ-HU in the control system.
Fig. 3 is the workflow diagram that the present invention retrieves retrieve processor in the control system.
Fig. 4 is the experimental enviroment that the present invention retrieves control system embodiment.
Embodiment
Further specify the native system structure below in conjunction with the drawings and specific embodiments.
Fig. 1 is a system architecture synoptic diagram of the present invention.Retrieval control system of the present invention is made carrier with computing machine.
◆ running environment: Microsoft Visual C++6.0;
◆ operating system: Microsoft Windows 2000/XP;
◆ network environment: 10/100M Ethernet switch;
Structure as shown in Figure 1.Retrieval control system of the present invention comprises the main service managerZ-HU 1 that has with NetWare file server (finger print information database) 3 connecting ports that connect 1.5, the main retrieve processor 2 that connects with main service managerZ-HU 1; Perhaps also comprise at least one pair service managerZ-HU 101,102 that links with main service managerZ-HU 1 ..., 10N, and with pay a service managerZ-HU 101,102 ..., at least one pair retrieve processor 201 that 10N links ..., 20N ..., 20NM.
Said main service managerZ-HU 1 comprises communication interpreter 1.1, respectively subsystem state manager 1.2, task analyzer 1.3, the task manager 1.4 that links with communication interpreter 1.1.The output terminal of subsystem state manager 1.2 is connected to task analyzer 1.3; The output terminal of task analyzer 1.3 is connected to task manager 1.4.
As above-mentioned structure, in the service managerZ-HU 1, receive the retrieval service request by communication interpreter 1.1, retrieval tasks is analyzed and arranged to the status information of each node in the subsystem that integrated subsystem state supervisor 1.2 is managed by task analyzer 1.3; By all service managerZ-HUs and the retrieve processor in the subsystem of task manager 1.4 and its administration of communication interpreter 1.1 controls.Sum up their result for retrieval that feeds back, feed back total result for retrieval by communication interpreter 1.1 to the requesting party at last.Wherein the subsystem state manager is responsible for the state variation of watchdog subsystem.
Searching system state supervisor 2.2, retrieval tasks analyzer 2.3 and fingerprint identification module 2.4 that said retrieve processor 2 comprises retrieval communication interpreter 2.1, links with retrieval communication interpreter 2.1 respectively.The output terminal of searching system state supervisor 2.2 is connected to retrieval tasks analyzer 2.3, and the output terminal of retrieval tasks analyzer 2.3 is connected to fingerprint identification module 2.4.
Said retrieve processor 2 is responsible for receiving top service manager 1 by retrieval communication interpreter 2.1 and is sent to its retrieval tasks, analyze the system information that provides according to searching system state supervisor 2.2 by retrieval tasks analyzer 2.3, submit identification mission to fingerprint identification module 2.4, finally by the comprehensive and feedback processing result of retrieval communication interpreter.Wherein searching system state supervisor 2.2 sends the state variation of this processor to the upper strata service managerZ-HU.
Said whole pairs of service managerZ-HUs 101,102 ..., 10N ..., the structure of the 10NM all structure with main service managerZ-HU 1 is identical.
Said whole pairs of retrieve processor 201 ..., 20N ..., the structure of the 20NM all structure with main retrieve processor 2 is identical.
In the present embodiment, when just having set up fingerprint recognition of the present invention retrieval control system, after being ready to general computer network environment, by the above-mentioned tree structure that designs, each logical block that installs system of the present invention on correlation computer can begin the initial work of system.Because system of the present invention can only be when the finger print data scope that will retrieve be big, the ratio of the quantity of computing machine should be not less than 10,000 pieces in the fingerprint quantity that promptly will retrieve and the system: 1, just can give full play to performance, so the finger print information database on the NetWare file server should be bigger (magnanimity), below all computing formula all be based on this prerequisite.
At first, installing the interior Internetwork Packet Exchange of LAN (Local Area Network) can use the network communication module (communication interpreter) of system of the present invention to play a role.If this agreement can not be installed, can be according to the network communication module of concrete network environment custom-made system.Set between each system the tree-shaped logical relation that links to each other then, whether the main service managerZ-HU 1 by root node sends startup command to its subsystem and can test communication module and work.
After 1.1 tests of communication interpreter were good, root node was by the communication interpreter 1.1 downward straton system send state reporting requirements of service managerZ-HU 1.According to status report, assign then from file server 3 downloading task.Because the finger print information database of all subsystems is all sky in the status report of this moment.So downloading task can be simply with the processing speed V of system as weight, set downloading task.Upgrade each subsystem state information then.Computing formula is as follows:
L i ( S , A , P ) = M ( S , A , P ) * V i Σ i = 1 N V i - - - ( 1 )
T i ( S , A , P ) = Σ i = 1 i - 1 Li ( S , A , P ) - - - ( 2 )
Its S is the sex attribute, and A is the age attribute, and P is the native place attribute, M (S, A, P) the fingerprint owner on Biao Shi the file server 3 to satisfy sex be S, the age is A, the native place is the total quantity of the finger print data of P, L i(S, A, the quantity of the finger print data that the node i node that P) is will be downloaded, T i(S, A, P) the initial ID of the finger print data that will download for node i.
When system adds certain node A as required, configure its IP position earlier, be connected into certain the service managerZ-HU F in the system, then the logical place of this node can be determined.Upwards report this information layer by layer to root node by service managerZ-HU F then, root node is (3) by formula
L A ( S , A , P ) = Σ i = 1 N Li ( S , A , P ) * V K V K + Σ i = 1 N V i - - - ( 3 )
L wherein AIt is the finger print data amount that this node will duplicate from the finger print data on being assigned to each retrieval process.Reference position at random.
When certain node K broke down in the subsystem of system, this crash info was upwards reported by this system, and this information is uploaded to root node layer by layer by the service managerZ-HU that is attached thereto.Root node will be responsible for System Fault Tolerance and safeguard.By formula downloading task is assigned in (4) (5), requires to upgrade subsystem state information then.
L i ′ ( S , A , P ) = L K ( S , A , P ) * V i Σ i = 1 N V i ( i ≠ K ) - - - ( 5 )
T i ′ ( S , A , P ) = Σ i = 1 i - 1 Li ( S , A , P ) ( i ≠ K ) - - - ( 6 )
Wherein, L i(S, A P) are the quantity of the finger print data that will share from the K node of each subsystem, T to ＇ i＇ is after arranging finger print data by random sequence in the fingerprint base of a K node, the start offset position of the finger print data that other each subsystem will be downloaded.Several above-mentionedly finger print datas of system monitor duplicate, and guaranteeing can the redundant storage data on same computing machine.
Fig. 2 is the workflow diagram of service managerZ-HU.Promoter systems state supervisor 1.2 at first after the system start-up, whole leaves that startup is controlled and each the node 1.2.1 in the non-leaf node, ask for the status information 1.2.2 of each node, comprehensive after, report the native system status information and begin monitoring network mission requirements 1.5 to the upper strata.Continue to monitor native system state 1.2.3,1.2.4 simultaneously.Wherein 1.5 simultaneously a newly-built thread start communication interpreter 1.1.After receiving mission requirements 1.1.1, communication interpreter 1.1 carries out task with a newly-built thread initiating task analyzer and sends out analysis 1.6, continues the monitor task requirement then.Task analyzer 1.3 is at first determined the scope 1.3.1 that each node will be searched for, the definite then size and quantity 1.3.2 that will mail to the task bag of each node, and a last newly-built thread comes initiating task manager 1.4, finishes this task analysis 1.3.4.If system state manager 1.2 monitors the state variation of native system, will restart task analyzer 1.3, regain the still untreated task bag that mails to the node that will upgrade in the task manager, on having handled of task, reanalyse.Task manager 1.4 is at first submitted the task bag that will mail to each node to, starts parallel thread 1.7 and requires the communication interpreter to send task bag 1.1.2, waits for feedback information then.After the communication interpreter sends the task bag, the feedback information 1.1.3 on the monitoring network, when handling feedback by task, notice task manager 1.4.Task manager is analyzed feedback result 1.4.3, if the match is successful, and comprehensive task result 1.4.4 then; If match well failure, detect the task bag 1.4.2 that whether will send in addition, have and then continue 1.4.1, otherwise analysis task result 1.4.4.Analysis submits 1.10 to after finishing really, and this process of end 1.4.5.The result who submits to is started by communications manager and carries out 1.1.4 with detached process.
Note 1 wherein: require task analyzer according in the system state fingerprint database describe, come Distribution Calculation.Because native system in system maintenance, all will begin the redundant storage data when newly adding node, deletion of node, is given this node so task analysis has child node separately the ground data allocations earlier, for redundant storage data subdividing become n 2Part, n is for having this redundant data ground node number simultaneously.Relatively each A j = R j + S j V j , To wrap successively and give A jBe worth that node of little ground.R wherein jBe total size of the bag of distributing to this node, S jSize for this bag.
Note 2: require the big or small basis in task bag ground R j + Σ i = 1 k A j Determine, quantity according to but the quantity of the task analyzer of preceding system parallel running determine.
Note 3: require when system state change, task analyzer to reanalyse the time also not by all tasks of receiving that the task result is fed back.Obtained feeding back to such an extent that the task bag can have been ignored.
Fig. 3 is the workflow diagram of retrieve processor.After the system start-up, at first start searching system state supervisor 2.2, detect local state 2.2.1, submit state information 2.2.2, a newly-built then thread.Start retrieval communication interpreter 2.1 and continue to monitor that local state changes 2.2.3, as change, again by retrieval communication interpreter 2.1 feedback 2.2.4.After retrieval communication interpreter starts, send local state information 2.1.1 earlier, start separate threads monitor task request 2.1.2 then.If task requests arrival 2.1.3 is arranged, a then newly-built thread starts retrieval tasks analyzer 2.3.Retrieval tasks analyzer analyzing samples information 2.3.1, the scope of the definite fingerprint base that will search for just starts fingerprint identification module 2.4, and finishes this task analysis.Fingerprint identification module mates fingerprint 2.4.1 one by one in range of search, if match well the 2.4.2 success, the master message 2.4.3 that takes the fingerprint submits task result to; If do not match then continue 2.4.2 all data 2.4.4 in having retrieved this scope, submit task result then to.Submit to task result will require service managerZ-HU feedback result concurrently simultaneously, finally finish this process 2.4.5.
Fig. 4 has represented to use the experimental enviroment that the present invention retrieves control system.System of the present invention can be seated in mobile computing device 01, handheld computing device 02 and PC (computing machine) machine 03.These equipment link by ethernet concentrator (100M) 04 and NetWare file server (finger print information database) 3.

Claims (6)

1. a control system for identifying and searching fingerprints in mass quantity is characterized in that at least one the main retrieve processor that comprises at least one main service managerZ-HU that has the connecting port that connects with NetWare file server and connect with main service managerZ-HU;
Said main service managerZ-HU is responsible for receiving the retrieval service request, arranges retrieval tasks, sums up the result for retrieval that fed back by retrieve processor and feeds back total result for retrieval to the requesting party;
Said retrieve processor is responsible for receiving the retrieval tasks that the top service manager sends, and submits identification mission to, feedback processing result and send the state variation of this retrieve processor to the upper strata service managerZ-HU;
Said NetWare file server is a magnanimity finger print information database, comprises the fingerprint image characteristics information and the fingerprint master message of magnanimity.
2. control system for identifying and searching fingerprints in mass quantity according to claim 1 is characterized in that or also comprise at least one at least one pair retrieve processor of paying service managerZ-HU and linking with pair service managerZ-HU that links with main service managerZ-HU.
3. control system for identifying and searching fingerprints in mass quantity according to claim 1 is characterized in that said main service managerZ-HU comprises the communication interpreter, respectively subsystem state manager, task analyzer and the task manager that links with the communication interpreter; The output terminal of subsystem state manager is connected to task analyzer, and the output terminal of task analyzer is connected to task manager.
4. according to claim 2 or 3 described control system for identifying and searching fingerprints in mass quantity, all the structure with main service managerZ-HU is identical to it is characterized in that the structure of said whole pairs of service managerZ-HUs.
5. control system for identifying and searching fingerprints in mass quantity according to claim 1, it is characterized in that said retrieve processor comprises retrieval communication interpreter, respectively searching system state supervisor, retrieval tasks analyzer and the fingerprint identification module that links with retrieval communication interpreter; The output terminal of searching system state supervisor is connected to the retrieval tasks analyzer, and the output terminal of retrieval tasks analyzer is connected to fingerprint identification module.
6. according to claim 2 or 5 described control system for identifying and searching fingerprints in mass quantity, all the structure with main retrieve processor is identical to it is characterized in that the structure of said whole pairs of retrieve processor.
CN 200410067173 2004-10-15 2004-10-15 Control system for identifying and searching fingerprints in mass quantity Pending CN1760858A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101201894B (en) * 2007-11-06 2010-08-11 重庆大学 Method for recognizing human face from commercial human face database based on gridding computing technology
CN106302397A (en) * 2016-07-29 2017-01-04 北京北信源软件股份有限公司 A kind of equipment identification system based on device-fingerprint
CN109658060A (en) * 2018-12-12 2019-04-19 安徽讯呼信息科技有限公司 A kind of On-line Examining system Internet-based

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101201894B (en) * 2007-11-06 2010-08-11 重庆大学 Method for recognizing human face from commercial human face database based on gridding computing technology
CN106302397A (en) * 2016-07-29 2017-01-04 北京北信源软件股份有限公司 A kind of equipment identification system based on device-fingerprint
CN106302397B (en) * 2016-07-29 2019-04-30 北京北信源软件股份有限公司 A kind of equipment identifying system based on device-fingerprint
CN109658060A (en) * 2018-12-12 2019-04-19 安徽讯呼信息科技有限公司 A kind of On-line Examining system Internet-based

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