CN103488981A - Finger blood vessel distribution based identity identification system and method - Google Patents
Finger blood vessel distribution based identity identification system and method Download PDFInfo
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- CN103488981A CN103488981A CN201310486285.XA CN201310486285A CN103488981A CN 103488981 A CN103488981 A CN 103488981A CN 201310486285 A CN201310486285 A CN 201310486285A CN 103488981 A CN103488981 A CN 103488981A
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Abstract
The invention discloses a finger blood vessel distribution based identity identification system and method. The system comprises a blood oxygen probe, an upper computer, a memory and a controller, wherein the blood oxygen probe is electrically connected with the upper computer; the upper computer is electrically connected with the memory and the controller, and is used for analyzing blood oxygen saturation degree data of fingers, acquiring vessel distribution information of the fingers and matching the vessel distribution information with vessel distribution information in the memory; if the vessel distribution information acquired by the upper computer is matched with the vessel distribution information in the memory, an ON signal is fed back to the controller, otherwise, an OFF signal is fed back to the controller. According to the technical scheme disclosed by the invention, the system and the method have the advantages that firstly, the vessels of the fingers are positioned below epidermis and are not easy to counterfeit, so that the security of the system is guaranteed; secondly, the vessel distribution of the fingers cannot change along with the increment of ages, so that the stability is high; thirdly, curves and branches of the vessel distribution are complex and contain a wealth of information, so that the identity identification accuracy is high.
Description
Technical field
The present invention relates to identity identification technical field, relate in particular to a kind of identification system and method based on the finger vascular distribution.
Background technology
Current era economy and infotech fast development, social information and people's life is closely related, people require also increasingly strict to the security performance of various personal belongings, venue passage, network and ecommerce etc., demand for the personal identification technology also becomes more and more urgent, and biological identification technology meets the personal identification method of the safe and convenient of people's demand just.The human finger vascular distribution, from the teenager, unless there is wound to occur, can not change substantially, and between Different Individual, the finger vascular distribution hardly may be identical, therefore can be used as good identification index.
Summary of the invention
The object of the invention is to, by a kind of identification system and method based on the finger vascular distribution, solve the problem that above background technology is partly mentioned.
For reaching this purpose, the present invention by the following technical solutions:
A kind of identification system based on the finger vascular distribution, it comprises blood oxygen probe, host computer, storer and controller;
Described blood oxygen probe and host computer are electrically connected, and for gathering the blood oxygen saturation data of finger, export to host computer; Described host computer and controller are electrically connected, for the blood oxygen saturation data analysis to described finger, obtain the vascular distribution information of finger, and the vascular distribution information in this vascular distribution information and storer is mated, if the match is successful, feed back " opening " signal to controller, otherwise feedback " not opening " signal is to controller; Described storer and host computer are electrically connected, for pre-stored authorized person's finger vascular distribution information.
Especially, described host computer is specifically for the blood oxygen saturation data analysis to described finger, obtain the vascular distribution information of finger, the vascular distribution information of described finger is comprised to extreme value filtering, once level and smooth pre-service, extracted the characteristic portion of vascular distribution, and the vascular distribution information in itself and storer is mated, if the match is successful, feed back " opening " signal to controller, otherwise feedback " not opening " signal is to controller.
The invention also discloses a kind of personal identification method based on the finger vascular distribution, it comprises the steps:
A, personnel's to be identified finger is placed on to the detection position of blood oxygen probe;
The blood oxygen saturation data of B, blood oxygen probe collection finger, export to host computer;
C, the host computer blood oxygen saturation data analysis to described finger, obtain the vascular distribution information of finger, and the vascular distribution information in this vascular distribution information and storer is mated, if the match is successful, feedback " opening " signal is to controller, otherwise feedback " not opening " signal is to controller.
Especially, described step C specifically comprises: the blood oxygen saturation data analysis of host computer to described finger, obtain the vascular distribution information of finger, the vascular distribution information of described finger is comprised to extreme value filtering, once level and smooth pre-service, extracted the characteristic portion of vascular distribution, and the vascular distribution information in itself and storer is mated, if the match is successful, feed back " opening " signal to controller, otherwise feedback " not opening " signal is to controller.
Identification system and method based on the finger vascular distribution provided by the invention has following advantage: one, the finger blood vessel is positioned at below epidermis, is difficult for forging, and has guaranteed the security of system.Two, the finger vascular distribution can not change with the growth at age, and stability is high.Three, curve and branch's more complicated of finger vascular distribution, the abundant information comprised, the accuracy of identification is high.
The accompanying drawing explanation
The identification system block diagram based on the finger vascular distribution that Fig. 1 provides for the embodiment of the present invention;
The personal identification method process flow diagram based on the finger vascular distribution that Fig. 2 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, only show part related to the present invention in accompanying drawing but not full content.
Please refer to shown in Fig. 1 the identification system block diagram based on the finger vascular distribution that Fig. 1 provides for the embodiment of the present invention.
Identification system based on the finger vascular distribution in the present embodiment comprises blood oxygen probe 101, host computer 102, storer 103 and controller 104.
Described blood oxygen probe 101 is electrically connected with host computer 102, for gathering the blood oxygen saturation data of finger, exports to host computer 102.In the present embodiment, the blood oxygen probe that blood oxygen probe 101 selects Nellcor company to produce.
Described host computer 102 is electrically connected with controller 104, for the blood oxygen saturation data analysis to described finger, obtain the vascular distribution information of finger, and the vascular distribution information in this vascular distribution information and storer 103 is mated, if the match is successful, feed back " opening " signal to controller 104, otherwise feedback " not opening " signal is to controller 104; Described storer 103 is electrically connected with host computer 102, for pre-stored authorized person's finger vascular distribution information.In the present embodiment, host computer 102 is selected computing machine.
The blood oxygen saturation data analysis of 102 pairs of described fingers of host computer, obtain the vascular distribution information of finger, the vascular distribution information of described finger is comprised to extreme value filtering, once level and smooth pre-service, extract the characteristic portion of vascular distribution, and the vascular distribution information in itself and storer 103 is mated, if the match is successful, feedback " opening " signal is to controller 104, otherwise feedback " not opening " signal is to controller 104.It should be noted that, the kind of controller 104 has a variety of, according to different application and difference can be for example the automatic locking system.Wherein, blood oxygen saturation (SO2) is to be accounted for the number percent of whole combinative haemoglobins (Hb) capacity in blood by the capacity of the oxyhemoglobin of oxygen combination (HbO2), be the concentration of blood oxygen in blood, it is the important physiological parameter of breath cycle.Due to blood oxygen saturation in blood vessel, far above tissues such as muscle, skin, bones, therefore pointing blood oxygen saturation by scanning can obtain vascular distribution.
As shown in Figure 2, the personal identification method process flow diagram based on the finger vascular distribution that Fig. 2 provides for the embodiment of the present invention.
Personal identification method based on the finger vascular distribution in the present embodiment specifically comprises the steps:
Step S201, personnel's to be identified finger is placed on to the detection position of blood oxygen probe.In the present embodiment, blood oxygen probe is selected the blood oxygen probe that Nellcor company produces.
The blood oxygen saturation data of step S202, blood oxygen probe collection finger, export to host computer.
Step S203, the host computer blood oxygen saturation data analysis to described finger, obtain the vascular distribution information of finger, and the vascular distribution information in this vascular distribution information and storer is mated, if the match is successful, feedback " opening " signal is to controller, otherwise feedback " not opening " signal is to controller.
The blood oxygen saturation data analysis of host computer to described finger, obtain the vascular distribution information of finger, the vascular distribution information of described finger is comprised to extreme value filtering, once level and smooth pre-service, extract the characteristic portion of vascular distribution, and the vascular distribution information in itself and storer is mated, if the match is successful, feedback " opening " signal is to controller, otherwise feedback " not opening " signal is to controller.
The present invention has following advantage: one, the finger blood vessel is positioned at below epidermis, is difficult for forging, and has guaranteed the security of system.Two, the finger vascular distribution can not change with the growth at age, and stability is high.Three, curve and branch's more complicated of finger vascular distribution, the abundant information comprised, the accuracy of identification is high.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, to those skilled in the art, the present invention can have various changes and variation.All any modifications of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included within spirit of the present invention and principle.
Claims (4)
1. the identification system based on the finger vascular distribution, is characterized in that, comprises blood oxygen probe, host computer, storer and controller;
Described blood oxygen probe and host computer are electrically connected, and for gathering the blood oxygen saturation data of finger, export to host computer; Described host computer and controller are electrically connected, for the blood oxygen saturation data analysis to described finger, obtain the vascular distribution information of finger, and the vascular distribution information in this vascular distribution information and storer is mated, if the match is successful, feed back " opening " signal to controller, otherwise feedback " not opening " signal is to controller; Described storer and host computer are electrically connected, for pre-stored authorized person's finger vascular distribution information.
According to claim 1 based on the finger vascular distribution identification system, it is characterized in that, described host computer specifically for
Blood oxygen saturation data analysis to described finger, obtain the vascular distribution information of finger, the vascular distribution information of described finger is comprised to extreme value filtering, once level and smooth pre-service, extract the characteristic portion of vascular distribution, and the vascular distribution information in itself and storer is mated, if the match is successful, feedback " opening " signal is to controller, otherwise feedback " not opening " signal is to controller.
3. the personal identification method based on the finger vascular distribution, is characterized in that, comprises the steps:
A, personnel's to be identified finger is placed on to the detection position of blood oxygen probe;
The blood oxygen saturation data of B, blood oxygen probe collection finger, export to host computer;
C, the host computer blood oxygen saturation data analysis to described finger, obtain the vascular distribution information of finger, and the vascular distribution information in this vascular distribution information and storer is mated, if the match is successful, feedback " opening " signal is to controller, otherwise feedback " not opening " signal is to controller.
4. the personal identification method based on the finger vascular distribution according to claim 3, is characterized in that, described step C specifically comprises:
The blood oxygen saturation data analysis of host computer to described finger, obtain the vascular distribution information of finger, the vascular distribution information of described finger is comprised to extreme value filtering, once level and smooth pre-service, extract the characteristic portion of vascular distribution, and the vascular distribution information in itself and storer is mated, if the match is successful, feedback " opening " signal is to controller, otherwise feedback " not opening " signal is to controller.
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| CN201310486285.XA CN103488981A (en) | 2013-10-16 | 2013-10-16 | Finger blood vessel distribution based identity identification system and method |
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| CN201310486285.XA CN103488981A (en) | 2013-10-16 | 2013-10-16 | Finger blood vessel distribution based identity identification system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618589A (en) * | 2016-11-16 | 2017-05-10 | 南昌洋深电子科技有限公司 | Vascular network-based photoacoustic imaging identity recognition method |
| CN107423711A (en) * | 2017-07-28 | 2017-12-01 | 谢荟 | Key management device based on bio-identification |
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| US20050281442A1 (en) * | 2000-09-06 | 2005-12-22 | Naoto Miura | Personal identification device and method |
| CN101004789A (en) * | 2006-01-17 | 2007-07-25 | 郭岳衡 | Device for recognizing image of finger vein |
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2013
- 2013-10-16 CN CN201310486285.XA patent/CN103488981A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050281442A1 (en) * | 2000-09-06 | 2005-12-22 | Naoto Miura | Personal identification device and method |
| CN101004789A (en) * | 2006-01-17 | 2007-07-25 | 郭岳衡 | Device for recognizing image of finger vein |
Non-Patent Citations (1)
| Title |
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| 易自生等: "高分辨率血氧水平依赖效应静脉成像(HRBV)在颅内占位性病变中的应用研究", 《中国临床医学影像杂志》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618589A (en) * | 2016-11-16 | 2017-05-10 | 南昌洋深电子科技有限公司 | Vascular network-based photoacoustic imaging identity recognition method |
| CN107423711A (en) * | 2017-07-28 | 2017-12-01 | 谢荟 | Key management device based on bio-identification |
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