CN103198306A - Fingerprint collector capable of prompting correction of wrong finger position - Google Patents
Fingerprint collector capable of prompting correction of wrong finger position Download PDFInfo
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- CN103198306A CN103198306A CN201310144232XA CN201310144232A CN103198306A CN 103198306 A CN103198306 A CN 103198306A CN 201310144232X A CN201310144232X A CN 201310144232XA CN 201310144232 A CN201310144232 A CN 201310144232A CN 103198306 A CN103198306 A CN 103198306A
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Abstract
The invention discloses a fingerprint collector capable of prompting correction of a wrong finger position. The fingerprint collector comprises a collecting module, a processor, a transmission unit and a prompting unit, wherein the collecting module is coupled with the processor; the processor is coupled with the collecting module, the transmission unit and the prompting unit; the transmission unit is coupled with the processor; and the prompting unit is coupled with the processor. The fingerprint collector is capable of prompting correction of a wrong finger position during fingerprint collection, thereby ensuring the accuracy and integrity of a palm print image.
Description
Technical field
The present invention relates to the fingerprint recognition field, specifically, relate to a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake.
Background technology
Fingerprint refers to the recessed uneven streakline that produces of the positive surface skin epirelief of people's finger tips, and the regular arrangement of streakline forms different line types.The starting point of streakline, terminal point, binding site and bifurcation are called the details of fingerprint, are exactly the affirmation information that these unique points provide the fingerprint uniqueness.
Development along with computing machine and infotech, fingerprint identification technology has become the most ripe biometrics identification technology at present, and the technology of present fingerprint recognition has been applied to fields such as gate inhibition, attendance checking system, notebook computer, mobile phone, automobile, bank paying, criminal detection, information security.
In fingerprint identification technology, of paramount importance is collection to fingerprint, if can not collect fingerprint clearly, the accuracy to fingerprint recognition must be produced and has a strong impact on.But in the prior art, when carrying out the collection of fingerprint by common fingerprint collecting instrument, when fingerprint supplier's finger position is put when incorrect, acquisition instrument can't be pointed out, be still and continue to gather, so, the result of collection just can not guarantee it is the fingerprint image of standard, collect the skin lines at finger sidepiece or articulations digitorum manus place probably, have a strong impact on thereby will cause follow-up fingerprint recognition.
Therefore, how when gathering fingerprint, the finger position that prompting is corrected a mistake just becomes the technical matters that needs to be resolved hurrily.
Summary of the invention
Technical matters to be solved by this invention provides a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, to solve when gathering fingerprint the problem of the finger position that prompting is corrected a mistake.
For solving the problems of the technologies described above, the invention provides a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, it is characterized in that, should be used for to point out the fingerprint capturer of the finger position of correcting a mistake to comprise: acquisition component, processor, transmission unit and Tip element; Wherein,
Described acquisition component couples mutually with described processor, is used for the scanning collection fingerprint, is sent to described processor after generating the image information of described fingerprint;
Described processor, couple mutually with described acquisition component, transmission unit and Tip element, be used for to receive the image information of the described fingerprint that described acquisition component sends, extract the characteristic image information that wherein contains described fingerprint, be sent to described transmission unit after splicing processing; And be used for according to the image information that can not extract the described fingerprint of characteristic image information, the generation error cue is sent to described Tip element;
Described transmission unit couples mutually with described processor, is used for the described characteristic image information of splicing after the processing that described processor sends is exported;
Described Tip element couples mutually with described processor, is used for the described miscue signal that described processor sends is exported.
Further, wherein, described transmission unit, the transmission unit that further serve as reasons chip with wired or wireless transfer function and interface are formed.
Further, wherein, described Tip element is further for converting described miscue signal to light indication, sound indication or display screen prompts displayed unit.
Further, wherein, described acquisition component, the further acquisition component for being constituted by the optical image-taking element.
Further, wherein, described information in fingerprint, the further high-quality fingerprint gray level image for being converted to by dark ridge on the described fingerprint and light paddy.
Further, wherein, described processor further is the chip with high-performance treatments function, and this chip adopts feature extraction algorithm to obtain the characteristic image information of described fingerprint.
Further, wherein, described characteristic image information further comprises: the general features information of described fingerprint and palmmprint, direction of fingerprint, streakline information, minutia degree of confidence, confusion region and many lines type information.
Compared with prior art, of the present invention a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, reached following effect:
1) of the present invention a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, can be implemented in when gathering fingerprint, the finger position that prompting is corrected a mistake, thus it is complete to guarantee that palmprint image accurately reaches;
2) of the present invention a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, owing to wherein adopted proprietary technology design prism, thus improve picture contrast and tonal range greatly;
3) of the present invention a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, can also effectively eliminate the trapezoidal distortion of palmprint image and the aberration of optical system, improve the resolution of image greatly, realize clear picture, undistorted;
4) of the present invention a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, because its design can also realize that volume is little, low cost of manufacture and practical;
5) of the present invention a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, can insert the database of public security system, thereby be used for fields such as criminal detection, citizen's information acquisition.
Description of drawings
Fig. 1 is the described a kind of structured flowchart for the fingerprint capturer that can point out the finger position of correcting a mistake of the embodiment of the invention;
Fig. 2 is that the concrete Application Example of the present invention is described for the fingerprint capturer that can point out the finger position of correcting a mistake solid appearance apparatus structure synoptic diagram in actual applications.
Embodiment
Censure specific components as in the middle of instructions and claim, having used some vocabulary.Those skilled in the art should understand, and hardware manufacturer may be called same assembly with different nouns.This specification and claims are not used as distinguishing the mode of assembly with the difference of title, but the criterion that is used as distinguishing with the difference of assembly on function.Be an open language as " comprising " mentioned in the middle of instructions and the claim in the whole text, so should be construed to " comprise but be not limited to ".Refer in receivable error range that " roughly " those skilled in the art can solve the technical problem, and reach described technique effect substantially in certain error range.In addition, " couple " word and comprise any indirect electric property coupling means that directly reach at this.Therefore, be coupled to one second device if describe one first device in the literary composition, then represent described first device and can directly be electrically coupled to described second device, or be electrically coupled to described second device indirectly by other devices or the means that couple.The instructions subsequent descriptions is for implementing preferred embodiments of the present invention, and right described description is to illustrate that rule of the present invention is purpose, is not in order to limit scope of the present invention.Protection scope of the present invention is as the criterion when looking the claims person of defining.
Below in conjunction with accompanying drawing the present invention is described in further detail, but not as a limitation of the invention.
Embodiment one
As shown in Figure 1, of the present invention for the fingerprint capturer 10 that can point out the finger position of correcting a mistake, comprising: acquisition component 101, processor 102, transmission unit 103 and Tip element 104; Wherein,
Described acquisition component 101 couples mutually with described processor 102, is used for the scanning collection fingerprint, is sent to described processor 102 after generating the image information of described fingerprint.
In the present embodiment, described acquisition component 101 can be the acquisition component 101 that is made of the optical image-taking element; The image information of described fingerprint is specifically as follows the high-quality fingerprint gray level image information that is converted to by dark ridge on the described fingerprint and light paddy, can also be variations such as other image informations at this certainly, and foregoing is not made restriction at this.
Described processor 102, couple mutually with described acquisition component 101, transmission unit 103 and Tip element 104, the image information that is used for the described fingerprint of described acquisition component 101 transmissions of reception, extract the characteristic image information that wherein contains described fingerprint, be sent to described transmission unit 103 after splicing processing; And be used for according to the image information that can not extract the described fingerprint of characteristic image information, the generation error cue is sent to described Tip element 104.
In the present embodiment, described processor 102, it can be the chip with high-performance treatments function, this processor 102 can adopt feature extraction algorithm to obtain the characteristic image information of described fingerprint and palmmprint, certainly, described processor 102 is at different fingerprint input methods, as: card scan or live body collection etc., adopt different feature extraction algorithms, foregoing is not made restriction at this; If fingerprint supplier's finger placement location mistake, described processor 102 can not extract the image information that contains unique point, and at this moment, described processor 102 will produce described miscue signal; Described splicing is handled, and is specially, and adopts stitching algorithm of the prior art that described characteristic image information is spliced and combined into clear distortionless palmprint image.Described characteristic image information also contains characteristic informations such as direction of fingerprint, streakline information, minutia degree of confidence, confusion region (the unclear zone of fingerprint on the finger) and many lines type except the general features information that comprises described fingerprint and palmmprint.At this foregoing is not made restriction.
Described transmission unit 103 couples mutually with described processor 102, is used for the described characteristic image information of splicing after the processing that described processor 102 sends is exported.
In the present embodiment, described transmission unit 103 can be the chip with wireless transmission function, and concrete transmission mode is WIFI and/or 3G; Also can be versatile interface, concrete transmission mode be USB line and/or netting twine.At this foregoing is not made restriction.
Described Tip element 104 couples mutually with described processor 102, is used for the described miscue signal that described processor 102 sends is exported.
In the present embodiment, described Tip element 104 adopts modes such as light indication, sound indication or display screen demonstration to convert described miscue signal to prompting mode intuitively.At this foregoing is not made restriction.
Below for adopting the described concrete Application Example for the fingerprint capturer that can point out the finger position of correcting a mistake of the above embodiment of the present invention.As shown in Figure 2, the described solid appearance apparatus structure synoptic diagram for the fingerprint capturer that can point out the finger position of correcting a mistake that contains according to the above embodiment of the present invention making, wherein, 21 is that (acquisition window is made of optical quartz glass the fingerprint collecting part, certainly can also be other optical materials, not make restriction at this.), 22 is the single unit system surface structure, 33 is the output interface of described transmission unit 103.In addition, described Tip element 104 is also not shown in Fig. 2.Wherein, the fingerprint collecting window can be gathered thumb and gather four wantonly two fingers in referring to except thumb simultaneously, does not do concrete restriction certainly here, for no other reason than that the solid appearance device limitation reason of the fingerprint acquisition instrument that present embodiment adopts.
In this concrete Application Example, include: identical in described acquisition component 101, processor 102, transmission unit 103 and the Tip element 104, the annexation between the said apparatus and embodiment one, so no longer describe at this.
At first, the related personnel will point static being positioned on the described acquisition window, and 101 pairs of fingerprints of described acquisition component scan, and be sent to described processor 102 after generating the image of described fingerprint.
Afterwards, described processor 102 receives the image information of described fingerprint, extracts the characteristic image information that wherein contains described fingerprint, is sent to described transmission unit 103 after splicing processing; If fingerprint supplier's finger placement location mistake, described processor 102 can not extract the image information that contains unique point, and at this moment, described processor 102 will produce described miscue signal and be sent to described Tip element 104.
Then, described transmission unit 103 is with wireless modes such as WIFI, 3G, and perhaps the described characteristic image information that will splice after the processing in wired modes such as USB, netting twines transfers in external data base or the server.If fingerprint supplier's finger placement location mistake, described Tip element 104 is exported the described miscue signal that described processor 102 sends, can adopt modes such as light indication, sound indication or display screen demonstration to convert described miscue signal to prompting mode intuitively, with the finger position mistake of informing that the fingerprint supplier is present.
Thereby, if when gathering fingerprint, just operating personnel or fingerprint supplier can recognize intuitively whether finger position is correct.
Compared with prior art, of the present invention a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, reached following effect:
1) of the present invention a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, can be implemented in when gathering fingerprint, the finger position that prompting is corrected a mistake, thus it is complete to guarantee that palmprint image accurately reaches;
2) of the present invention a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, owing to wherein adopted proprietary technology design prism, thus improve picture contrast and tonal range greatly;
3) of the present invention a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, can also effectively eliminate the trapezoidal distortion of palmprint image and the aberration of optical system, improve the resolution of image greatly, realize clear picture, undistorted;
4) of the present invention a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, because its design can also realize that volume is little, low cost of manufacture and practical;
5) of the present invention a kind of for the fingerprint capturer that can point out the finger position of correcting a mistake, can insert the database of public security system, thereby be used for fields such as criminal detection, citizen's information acquisition.
Above-mentioned explanation illustrates and has described some preferred embodiments of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to the disclosed form of this paper, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can in invention contemplated scope described herein, change by technology or the knowledge of above-mentioned instruction or association area.And the change that those skilled in the art carry out and variation do not break away from the spirit and scope of the present invention, then all should be in the protection domain of claims of the present invention.
Claims (7)
1. a fingerprint capturer that is used for pointing out the finger position of correcting a mistake is characterized in that, should be used for pointing out the fingerprint capturer of the finger position of correcting a mistake to comprise: acquisition component, processor, transmission unit and Tip element; Wherein,
Described acquisition component couples mutually with described processor, is used for the scanning collection fingerprint, is sent to described processor after generating the image information of described fingerprint;
Described processor, couple mutually with described acquisition component, transmission unit and Tip element, be used for to receive the image information of the described fingerprint that described acquisition component sends, extract the characteristic image information that wherein contains described fingerprint, be sent to described transmission unit after splicing processing; And be used for according to the image information that can not extract the described fingerprint of characteristic image information, the generation error cue is sent to described Tip element;
Described transmission unit couples mutually with described processor, is used for the described characteristic image information of splicing after the processing that described processor sends is exported;
Described Tip element couples mutually with described processor, is used for the described miscue signal that described processor sends is exported.
2. as claimed in claim 1ly it is characterized in that described transmission unit, the transmission unit that further serve as reasons chip with wired or wireless transfer function and interface are formed for the fingerprint capturer that can point out the finger position of correcting a mistake.
3. as claimed in claim 1 for the fingerprint capturer that can point out the finger position of correcting a mistake, it is characterized in that, described Tip element is further for converting described miscue signal to light indication, sound indication or display screen prompts displayed unit.
4. as claimed in claim 1ly it is characterized in that described acquisition component, the further acquisition component for being constituted by the optical image-taking element for the fingerprint capturer that can point out the finger position of correcting a mistake.
5. as claimed in claim 1ly it is characterized in that described information in fingerprint, the further high-quality fingerprint gray level image for being converted to by dark ridge on the described fingerprint and light paddy for the fingerprint capturer that can point out the finger position of correcting a mistake.
6. as claimed in claim 1 for the fingerprint capturer that can point out the finger position of correcting a mistake, it is characterized in that, described processor further is the chip with high-performance treatments function, and this chip adopts feature extraction algorithm to obtain the characteristic image information of described fingerprint.
7. as claimed in claim 6 for the fingerprint capturer that can point out the finger position of correcting a mistake, it is characterized in that, described characteristic image information further comprises: the general features information of described fingerprint and palmmprint, direction of fingerprint, streakline information, minutia degree of confidence, confusion region and many lines type information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310144232XA CN103198306A (en) | 2013-04-24 | 2013-04-24 | Fingerprint collector capable of prompting correction of wrong finger position |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310144232XA CN103198306A (en) | 2013-04-24 | 2013-04-24 | Fingerprint collector capable of prompting correction of wrong finger position |
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| CN201310144232XA Pending CN103198306A (en) | 2013-04-24 | 2013-04-24 | Fingerprint collector capable of prompting correction of wrong finger position |
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Cited By (4)
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| WO2016127712A1 (en) * | 2015-02-10 | 2016-08-18 | 深圳信炜科技有限公司 | Fingerprint sensing device, electronic product and fingerprint sensing method therefor |
| CN106133754A (en) * | 2015-02-27 | 2016-11-16 | 指纹卡有限公司 | The method guiding the user of portable electric appts |
| CN106485190A (en) * | 2015-08-27 | 2017-03-08 | 张敏 | Fingerprint register method and device |
| CN110263751A (en) * | 2019-06-27 | 2019-09-20 | Oppo广东移动通信有限公司 | Fingerprint identification method and Related product |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016127712A1 (en) * | 2015-02-10 | 2016-08-18 | 深圳信炜科技有限公司 | Fingerprint sensing device, electronic product and fingerprint sensing method therefor |
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Application publication date: 20130710 |