CN105335736A - Fingerprint recognition system - Google Patents
Fingerprint recognition system Download PDFInfo
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- CN105335736A CN105335736A CN201510835477.6A CN201510835477A CN105335736A CN 105335736 A CN105335736 A CN 105335736A CN 201510835477 A CN201510835477 A CN 201510835477A CN 105335736 A CN105335736 A CN 105335736A
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- fingerprint
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- fingerprint recognition
- finger print
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
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- Human Computer Interaction (AREA)
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- General Physics & Mathematics (AREA)
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- Theoretical Computer Science (AREA)
- Collating Specific Patterns (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a fingerprint recognition system. The fingerprint recognition system comprises a fingerprint collection module, a recognition module and a fingerprint pre-selection module, wherein the fingerprint collection module is used for collecting fingerprints; the recognition module is used for carrying out comparison and reorganization; the fingerprint pre-selection module is used for judging whether the collected fingerprints are qualified and comprises a core point finding unit; the core point finding unit is used for finding whether the collected fingerprints contain fingerprint core regions; the fingerprint collection module is connected with the recognition module through the fingerprint pre-selection module; the fingerprint pre-selection module is used for sending data of the collected fingerprints to the recognition module. When judging that the collected fingerprints contain fingerprint core regions, the fingerprint pre-selection module judges the collected fingerprints meet the use requirements and sends the collected fingerprints to the recognition module, and the recognition module carries out specific comparison and reorganization, so that the problems that the comparison and the reorganization fail, and the recorded users are mistakenly eliminated due to the quality problem of the fingerprints are avoided.
Description
Technical field
The present invention relates to technical field of system security, more particularly, relate to a kind of fingerprint recognition system.
Background technology
Fingerprint is exactly the streakline of epidermis upper process.Fingerprint due to people is that nature-nurture is coefficient, although so fingerprint everybody all have, the characteristic that as everyone knows different, fingerprint has " different, constant throughout one's life ".Current fingerprint has been widely used in the field of immigration control, seeking criminal, common system safety etc.
Fingerprint recognition, specifically comprises: read finger print image, extract feature, preserve data and comparison.At the beginning, read the image of somatic fingerprint by fingerprint reading systems, after getting finger print image, preliminary process will be carried out to raw image, make it more clear.Next, the characteristic of fingerprint set up by identification of fingerprint software, and it is a kind of unidirectional conversion, can convert characteristic to from fingerprint but can not be converted into fingerprint from characteristic, and two pieces of different fingerprints can not produce identical characteristic.
But inventor finds, also there is certain defect in current fingerprint identification technology, due to the reason of fingerprint present position, fingerprint pollution of easily making dirty easy to wear, and due to user hand due to a variety of causes often can be occupied, cause when Fingerprint Identification Unit station acquisition fingerprint, fingerprint typing position is inaccurate, simultaneously because Fingerprint Identification Unit quality common on market is uneven, the collection position of different finger print acquisition module also may slightly deviation, above various reasons all can cause the fingerprint of user institute typing cannot by the contrast of fingerprint recognition, and be not the problem of user's identity mistake, this just causes the Fingerprint Identification Unit relating to security of system aspect and can cause correct user cannot effectively inputting the problem by fingerprint recognition in number of times, great inconvenience is caused to user.
In sum, how effectively solving existing Fingerprint Identification Unit makes the user of typing by problems such as fingerprint recognition, be current those skilled in the art's urgent problem.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of fingerprint recognition system, this vapour fingerprint recognition system can solve existing Fingerprint Identification Unit effectively makes the user of typing cannot by problems such as fingerprint recognition.
In order to achieve the above object, the invention provides following technical scheme:
A kind of fingerprint recognition system, comprise the finger print acquisition module for gathering fingerprint and the identification module for contrasting identification, described fingerprint recognition system also comprises for judging the fingerprint preliminary election module whether gathered fingerprint is qualified, described fingerprint preliminary election module comprises the core point whether for searching gathered fingerprint with finger print core region and searches unit, described finger print acquisition module is connected with described identification module by described fingerprint preliminary election module, described fingerprint preliminary election module be used for by have finger print core region gather fingerprint data be sent to described identification module.
Preferably, in above-mentioned fingerprint recognition system, described fingerprint preliminary election module comprises data storage cell, described data storage cell is for storing the finger print data feature corresponding to finger print core region, and described core point is searched unit and can be obtained the finger print data feature in described data storage cell and carry out contrast with the character pair of gathered fingerprint and screen.
Preferably, in above-mentioned fingerprint recognition system, described fingerprint recognition system also comprises prompting report by mistake module, described prompting report by mistake module for receive that fingerprint preliminary election module sends gather the report error signal that fingerprint does not have nucleus, and send unavailable emphasis to user.
Preferably, in above-mentioned fingerprint recognition system, described report by mistake module comprises hummer, and described unavailable emphasis is specially ring sound.
Preferably, in above-mentioned fingerprint recognition system, described report by mistake module comprises warning light, and described unavailable emphasis is specially light flash signal.
Preferably, in above-mentioned fingerprint recognition system, described report by mistake module also comprises speech player, and described unavailable emphasis also comprises informs that user re-enters the voice message of fingerprint.
Preferably, in above-mentioned fingerprint recognition system, described fingerprint recognition system also comprises self-locking module, described self-locking module is used for when described fingerprint preliminary election module does not find finger print core region in default times of collection, lock described fingerprint recognition system, no longer carry out collection and the identification of fingerprint, until reopen described fingerprint recognition system after Preset Time.
Preferably, in above-mentioned fingerprint recognition system, described default times of collection and described Preset Time are modified by the administrator right of described fingerprint recognition system.
Fingerprint recognition system provided by the invention, comprise the finger print acquisition module for gathering fingerprint and the identification module for contrasting identification, described fingerprint recognition system also comprises for judging the fingerprint preliminary election module whether gathered fingerprint is qualified, described fingerprint preliminary election module comprises the core point whether for searching gathered fingerprint with finger print core region and searches unit, described finger print acquisition module is connected with described identification module by described fingerprint preliminary election module, described fingerprint preliminary election module be used for by have finger print core region gather fingerprint data be sent to described identification module.The finger print data that the finger print acquisition module of this fingerprint recognition system collects first is transferred to fingerprint preliminary election module, when fingerprint preliminary election module judges that the fingerprint collected has finger print core region, just judge gather fingerprint matching request for utilization, and then send to identification module, carry out concrete contrast identification by identification module again to judge, first this design ensure that collected fingerprint possesses nucleus, because nucleus is positioned at the progressive center of fingerprint lines, it is the most critical zone that fingerprint contrast identifies, and the fingerprint collected only possessed nucleus guarantee fingerprint contrast identify effectively carry out, so the fingerprint with nucleus is judged as qualified fingerprint, and then enter follow-up contrast identification, and finger print data is not transferred to identification module when gathered fingerprint does not have nucleus, also would not cause contrast recognition failures due to the problem of the quality of fingerprint own, by the problem of user's error exception of typing.To sum up, the fingerprint recognition system that the application proposes efficiently solves existing Fingerprint Identification Unit makes the user of typing cannot by problems such as fingerprint recognition.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic diagram of the fingerprint recognition system that Fig. 1 provides for the embodiment of the present invention.
Embodiment
The embodiment of the invention discloses a kind of fingerprint recognition system, make the user of typing cannot by problems such as fingerprint recognition to solve existing Fingerprint Identification Unit.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the schematic diagram of the fingerprint recognition system that Fig. 1 provides for the embodiment of the present invention.
Fingerprint recognition system provided by the invention, comprise the finger print acquisition module for gathering fingerprint and the identification module for contrasting identification, described fingerprint recognition system also comprises for judging the fingerprint preliminary election module whether gathered fingerprint is qualified, described fingerprint preliminary election module comprises the core point whether for searching gathered fingerprint with finger print core region and searches unit, described finger print acquisition module is connected with described identification module by described fingerprint preliminary election module, described fingerprint preliminary election module be used for by have finger print core region gather fingerprint data be sent to described identification module.
Wherein it should be noted that, the concrete function of finger print acquisition module comprises acquisition fingerprint image, carries out sharpening process to fingerprint image, and the fingerprint image of foundation sharpening sets up the characteristic of fingerprint, by view data, above process is referred to as the collection of fingerprint.
Fingerprint preliminary election module directly from finger print acquisition module obtain gather the characteristic of fingerprint, and search in unit at core point the common denominator data of this characteristic with nucleus is contrasted, judge whether the fingerprint collected possesses nucleus, to judge that the characteristic of the fingerprint possessing finger print core region is sent to recognition unit, and the characteristic not possessing the fingerprint of nucleus can't be sent to recognition unit, the identification to defective fingerprint is avoided with this, avoid because the underproof problem of fingerprint itself causes user not by fingerprint recognition.
The finger print data that the finger print acquisition module of this fingerprint recognition system collects first is transferred to fingerprint preliminary election module, when fingerprint preliminary election module judges that the fingerprint collected has finger print core region, just judge gather fingerprint matching request for utilization, and then send to identification module, carry out concrete contrast identification by identification module again to judge, first this design ensure that collected fingerprint possesses nucleus, because nucleus is positioned at the progressive center of fingerprint lines, it is the most critical zone that fingerprint contrast identifies, and the fingerprint collected only possessed nucleus guarantee fingerprint contrast identify effectively carry out, so the fingerprint with nucleus is judged as qualified fingerprint, and then enter follow-up contrast identification, and finger print data is not transferred to identification module when gathered fingerprint does not have nucleus, also would not cause contrast recognition failures due to the problem of the quality of fingerprint own, by the problem of user's error exception of typing.To sum up, the fingerprint recognition system that the application proposes efficiently solves existing Fingerprint Identification Unit makes the user of typing cannot by problems such as fingerprint recognition.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned fingerprint recognition system, described fingerprint preliminary election module comprises data storage cell, described data storage cell is for storing the finger print data feature corresponding to finger print core region, and described core point is searched unit and can be obtained the finger print data feature in described data storage cell and carry out contrast with the character pair of gathered fingerprint and screen.
Wherein, finger print data feature corresponding to finger print core region specifically refers to the data characteristics of the general character that the fingerprint that possesses nucleus possesses, in the present embodiment, these data characteristicses are stored in the data storage cell in fingerprint preliminary election module, this set is convenient to core point and is searched unit and immediately obtain data and shorten channel between different operating unit, makes system works more quick and smooth.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned fingerprint recognition system, described fingerprint recognition system also comprises prompting report module by mistake, described prompting report by mistake module for receive that fingerprint preliminary election module sends gather the report error signal that fingerprint does not have nucleus, and send unavailable emphasis to user.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned fingerprint recognition system, described report by mistake module comprises hummer, and described unavailable emphasis is specially ring sound.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned fingerprint recognition system, described report by mistake module comprises warning light, and described unavailable emphasis is specially light flash signal.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned fingerprint recognition system, described report by mistake module also comprises speech player, and described unavailable emphasis also comprises informs that user re-enters the voice message of fingerprint.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned fingerprint recognition system, described fingerprint recognition system also comprises self-locking module, described self-locking module is used for when described fingerprint preliminary election module does not find finger print core region in default times of collection, lock described fingerprint recognition system, no longer carry out collection and the identification of fingerprint, until reopen described fingerprint recognition system after Preset Time.
Wherein it should be noted that, existing Fingerprint Identification Unit arranges certain number of times equally, namely same user can only carry out at most the fingerprint recognition of certain number of times within a certain period of time, if once do not pass through, then system locks this user, this user again can not input fingerprint and carry out identity verify, and the locking on this basis is arranged mainly for the purpose of safety; And the present embodiment also arranges this locking module to fingerprint preliminary election module on this basis further, the mainly consideration of user for convenience, when user's continuous several times input fingerprint be all apprised of input fingerprint defective time, now situation be likely due to point itself be blocked or fingerprint comparatively serious by stained situation, locking is now mainly in order to point out user to go to clear up fingerprint, for clearance complete after re-enter, avoid unnecessary time waste.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned fingerprint recognition system, described default times of collection and described Preset Time are modified by the administrator right of described fingerprint recognition system.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a fingerprint recognition system, comprise the finger print acquisition module for gathering fingerprint and the identification module for contrasting identification, it is characterized in that, described fingerprint recognition system also comprises for judging the fingerprint preliminary election module whether gathered fingerprint is qualified, described fingerprint preliminary election module comprises the core point whether for searching gathered fingerprint with finger print core region and searches unit, described finger print acquisition module is connected with described identification module by described fingerprint preliminary election module, described fingerprint preliminary election module be used for by have finger print core region gather fingerprint data be sent to described identification module.
2. fingerprint recognition system according to claim 1, it is characterized in that, described fingerprint preliminary election module comprises data storage cell, described data storage cell is for storing the finger print data feature corresponding to finger print core region, and described core point is searched unit and can be obtained the finger print data feature in described data storage cell and carry out contrast with the character pair of gathered fingerprint and screen.
3. fingerprint recognition system according to claim 2, it is characterized in that, described fingerprint recognition system also comprises prompting report module by mistake, described prompting report by mistake module for receive that fingerprint preliminary election module sends gather the report error signal that fingerprint does not have nucleus, and send unavailable emphasis to user.
4. fingerprint recognition system according to claim 3, is characterized in that, described report by mistake module comprises hummer, and described unavailable emphasis is specially ring sound.
5. fingerprint recognition system according to claim 3, is characterized in that, described report by mistake module comprises warning light, and described unavailable emphasis is specially light flash signal.
6. the fingerprint recognition system according to claim 3 or 4, is characterized in that, described report by mistake module also comprises speech player, and described unavailable emphasis also comprises informs that user re-enters the voice message of fingerprint.
7. fingerprint recognition system according to claim 1, it is characterized in that, described fingerprint recognition system also comprises self-locking module, described self-locking module is used for when described fingerprint preliminary election module does not find finger print core region in default times of collection, lock described fingerprint recognition system, no longer carry out collection and the identification of fingerprint, until reopen described fingerprint recognition system after Preset Time.
8. fingerprint recognition system according to claim 7, is characterized in that, described default times of collection and described Preset Time are modified by the administrator right of described fingerprint recognition system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510835477.6A CN105335736A (en) | 2015-11-26 | 2015-11-26 | Fingerprint recognition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510835477.6A CN105335736A (en) | 2015-11-26 | 2015-11-26 | Fingerprint recognition system |
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| CN105335736A true CN105335736A (en) | 2016-02-17 |
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| CN201510835477.6A Pending CN105335736A (en) | 2015-11-26 | 2015-11-26 | Fingerprint recognition system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107092888A (en) * | 2017-04-21 | 2017-08-25 | 广州腾耐计算机科技有限公司 | A kind of Fingerprint Identification Unit |
| CN112219184A (en) * | 2018-06-04 | 2021-01-12 | 株式会社东海理化电机制作所 | Biological information sensor device |
-
2015
- 2015-11-26 CN CN201510835477.6A patent/CN105335736A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107092888A (en) * | 2017-04-21 | 2017-08-25 | 广州腾耐计算机科技有限公司 | A kind of Fingerprint Identification Unit |
| CN112219184A (en) * | 2018-06-04 | 2021-01-12 | 株式会社东海理化电机制作所 | Biological information sensor device |
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Application publication date: 20160217 |
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