CN204965463U - Be applied to big data iris discernment examinee certification system that takes an examination - Google Patents
Be applied to big data iris discernment examinee certification system that takes an examination Download PDFInfo
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- CN204965463U CN204965463U CN201520664143.2U CN201520664143U CN204965463U CN 204965463 U CN204965463 U CN 204965463U CN 201520664143 U CN201520664143 U CN 201520664143U CN 204965463 U CN204965463 U CN 204965463U
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Abstract
The utility model discloses a be applied to big data iris discernment examinee certification system that takes an examination belongs to the heavy examinee in the authentication technology field certification system hardware architecture that takes an examination, and its aim at provides a be applied to big data iris discernment examinee certification system that takes an examination's hardware architecture. Its technical scheme does: including setting up iris collector, AD converter, digital signal processing chip, data memory, ARM treater and the clearance device at the examination hall entry, the iris collector passes through the AD converter to be connected with digital signal processing chip, and digital signal processing chip passes through the ARM treater and is connected with the clearance device, and data memory and digital signal processing chip are connected, the iris image information of iris collector collection inputs digital signal processing chip and handles after the AD converter converts digital image to to opening or closing of clearance device is controlled to signal input ARM treater after will handling.
Description
Technical field
The utility model belongs to identity identifying technology field, relates to a kind of examinee and to take an examination the hardware configuration of Verification System, particularly relates to a kind ofly to be applied to large data iris recognition examinee and to take an examination the hardware configuration of Verification System.
Background technology
Along with the scale of various examination and quantity increase year by year, although examination management mechanism takes many kinds of measures and prevents, still effectively can not stop phenomenon of praticing fraud, also frequently act as fraudulent substitute for a person simultaneously, impersonate phenomenon generations such as praticing fraud, the justice of grievous injury examination, just, encroach on examinee's interests, upset civil order.In current all kinds of examination, examinee's standard is investigated into examination hall, and whether examinee's photo that monitoring teacher can only be judged on admission card for entrance examination by naked eyes is consistent, cannot ensure to find the examinee's admission acted as fraudulent substitute for a person.But along with the development of cheating technology, the pseudo-technology for making of examinee's identity is also more and more advanced, and praticing fraud is a kind of conventional means that examinee practises fraud.Differentiate the authenticity of examinee's identity, become a large difficult point of current test management work.If cannot effectively differentiate examinee's identity before examination, will affect the authenticity of the result of examination, fairness and achievement, must cause the unfairness of examination and selection of talented people, therefore modern examination is in the urgent need to fundamentally containing the generation of phenomenon of praticing fraud.
For solving the problem that impersonates of taking an examination, in present examination, adopting the authentication mode of recognition of face+admission card for entrance examination, carrying out the relevant informations such as personal information, face template information, admission card for entrance examination number each examinee enters oneself for the examination registration during on the net and registering.The patent of invention being 201210541132.6 as application number discloses a kind of examination identity authorization system based on recognition of face and certification thereof, and this examination identity authorization system comprises the personal information acquisition system and personal information identifying system that are connected by internet; Personal information acquisition system comprises: camera, and the personal computer be connected with camera circuit, and personal computer connects personal information identifying system by internet; Personal information identifying system comprises: management platform, and it connects personal computer by internet; Server switch, identified server and database server, management platform is connected with database server by server switch with identified server; Terminaling exchange, it is by internet connection server switch; Handheld terminal, its wireless connections terminal switch.This application for a patent for invention is by the face information of camera collection examinee, and identified by the face information of personal information identifying system to examinee, but adopt the mode of recognition of face to carry out identifying that examinee compares and directly check that the effect of examinee is obvious not with supervisor, and adopt recognition of face examination identity authorization system structure comparatively complicated, volume is comparatively large, is not easy to carry and carry.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of and is applied to large data iris recognition examinee and takes an examination the hardware configuration of Verification System.
For achieving the above object, the technical solution of the utility model is:
One is applied to large data iris recognition examinee and takes an examination Verification System, it is characterized in that: comprise the iris capturing device, AD converter, digital signal processing chip, data-carrier store, arm processor and the clearance device that are arranged on examination hall entrance, described iris capturing device is connected with digital signal processing chip by AD converter, described digital signal processing chip is connected with clearance device by arm processor, and described data-carrier store is connected with digital signal processing chip; The iris image information of described iris capturing device collection converts supplied with digital signal process chip after digital picture to through AD converter and processes, and the signal input arm processor after process is controlled unlatching or the closedown of clearance device.
During utility model works, iris capturing device is for gathering the iris image information of candidate and the internal conversion of this iris image information input AD converter being become digital picture, then process in digital picture supplied with digital signal process chip, and the signal input arm processor after process is controlled unlatching or the closedown of clearance device.
Further, described iris capturing device is IRISPASS, BM-ET300 or BM-ET500, and the camera lens front end of described iris capturing device is provided with IR cut filter device.
Further, the model that described AD converter selects AD company to produce is the AD converter of AD7705.
Further, the model that described digital signal processing chip selects TI company to produce is the digital signal processing chip of TMS320VC5402.
Further, described clearance device comprises base plate, the middle part of base plate is provided with support column, support column is fixedly connected with base plate, base plate both sides are respectively arranged with arc-shaped guardrail, and support column top is provided with cant beam, and cant beam is connected with pipe, pipe suit on the support columns, is provided with single direction turning mechanism between described support column and pipe; Described single direction turning mechanism comprises the ratchet be fixedly connected with support column and the ratchet be connected with ratchet, ratchet is connected with swivel arm, swivel arm one end is fixedly connected with pipe with the rotation axis chain connection other end arranged on the support columns, and circular tube external wall is along the circumferential direction separated by 120 degree and is provided with rotating beam; Support column bottom is provided with fixed beam, and fixed beam is connected with stationary pipes, and stationary pipes suit on the support columns; Support column bottom is provided with through hole, and stationary pipes is provided with connecting hole, and through hole is corresponding with the position of connecting hole, and stationary pipes is connected with support column with wing nut by bolt.
Further, described rotating beam is made up of upper rotating beam and lower rotating beam, and the length of lower rotating beam is 2/3rds of upper rotating beam, is provided with tie-beam between the end of lower rotating beam and upper rotating beam.
Compared with prior art, the beneficial effects of the utility model are:
1, in the utility model, this examinee Verification System of taking an examination is arranged on porch, examination hall, it comprises iris capturing device, AD converter, digital signal processing chip, data-carrier store, arm processor and clearance device, one-piece construction is simple, small volume, be easy to carry and carry, being applicable to the places such as examination hall.
2, in the utility model, iris capturing device is IRISPASS, BM-ET300 or BM-ET500, and the camera lens front end of described iris capturing device is provided with IR cut filter device, can be used for elimination infrared light by this IR cut filter device and gather iris coloured image.
3, in the utility model, the model that AD converter selects AD company to produce is the AD converter of AD7705, the more weak input signal that iris capturing device can collect by this AD7705AD converter is directly changed into serial array signal and exports, without the need to external meters amplifier, can the complicacy of cost-saving, reduced volume, reduction system further.
4, in the utility model, the model that digital signal processing chip selects TI company to produce is the digital signal processing chip of TMS320VC5402, this TMS320VC5402 digital signal processing chip adopts the Harvard structure improved, and On-Chip peripheral comprises multichannel buffered serial port, 8bit main frame and 16bit timer, separately be equipped with powerful order set, make this chip have very high processing speed.
5, in the utility model, although clearance device is unilateral gate, still can opposing traffic, by adjusting the position of fixed beam, fixed beam is revolved turnback, can only examination hall be entered by rotary door entering examination hall time period examinee, go out examination hall by rotary door intelligence going out examination hall time period examinee.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present utility model;
Fig. 2 is data-carrier store data reading circuit figure in the utility model;
Fig. 3 is the front view of device of letting pass in the utility model;
Fig. 4 is the vertical view of device of letting pass in the utility model;
Fig. 5 is the structural representation of single direction turning mechanism of device of letting pass in the utility model;
Wherein, Reference numeral is: 3-digital signal processing chip, 4-data-carrier store, 5-clearance device, 10-iris capturing device, 11-AD converter, 12-arm processor, 51-base plate, 52-support column, 53-arc-shaped guardrail, 54-cant beam, 55-pipe, 56-ratchet, 57-ratchet, 58-swivel arm, 59-rotation axis, 510-rotating beam, 511-fixed beam, 512-stationary pipes.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment one
One is applied to large data iris recognition examinee and takes an examination Verification System, and this hardware configuration is installed on porch, examination hall, and it comprises iris capturing device 10, AD converter 11, digital signal processing chip 3, data-carrier store 4, arm processor 12 and clearance device 5.Iris capturing device 10 is connected with AD converter 11, and iris image information input AD converter 11 internal conversion that iris capturing device 10 collects is digital picture.AD converter 11 is connected with digital signal processing chip 3, and the iris image information after AD converter 11 is changed transfers to digital signal processing chip 3 and processes.Digital signal processing chip 3 is connected with arm processor 12, and the result of image procossing and discriminance analysis process is conveyed into arm processor 12 by digital signal processing chip 3 carries out controlling and manages.Arm processor 12 is connected with clearance device 5, and arm processor 12 produces corresponding control signal according to iris image information and controls unlatching or the closedown of clearance device 5.In addition, digital signal processing chip 3 is also connected with data-carrier store 4, the intermediate data of this data-carrier store 4 for producing in authentication storage system implementation.
During work, iris capturing device 10 is for gathering the iris image information of candidate and the internal conversion of this iris image information input AD converter 11 being become digital picture, then process in digital picture supplied with digital signal process chip 3, and the signal after process is inputted arm processor 12 and controls unlatching or the closedown of clearance device 5.
Embodiment two
On the basis of embodiment one, described iris capturing device 10 is IRISPASS, BM-ET300 or BM-ET500, and the camera lens front end of described iris capturing device 10 is provided with IR cut filter device.Can be used for elimination infrared light by this IR cut filter device and gather iris coloured image.
Embodiment three
On the basis of embodiment one or embodiment two, the model that described AD converter 11 selects AD company to produce is the AD converter 11 of AD7705.AD7705 is the AD converter being applicable to low frequency measurement instrument of AD Company.The more weak iris image information received from iris capturing device 10 can be directly changed into serial digital signal and export by it, and without the need to external meters amplifier.And this AD7705 achieves 16 superperformances without error code, in sheet, programmable amplifier can arrange input signal gain.By shut-in time and the renewal rate of control register adjustment internal digital wave filter in sheet, first recess of digital filter can be set.When+3V power supply and 1MHz major clock, AD7705 power consumption is only 1mW.AD7705 is the ideal circuit based on microcontroller (MCU), digital signal processor (DSP) system, can save the complicacy of cost, reduced volume, reduction system further.Be applied to microprocessor (MCU), digital signal processing (DSP) system, handheld instrument, distributed data acquisition system.
Embodiment four
On the basis of above-described embodiment, the model that described digital signal processing chip 3 selects TI company to produce is the digital signal processing chip 3 of TMS320VC5402.The digital signal processing chip 3 of this TMS320VC5402 is a kind of 16bit high speed and fixed-point low-power consumption dsp chip, it adopts the Harvard structure improved, program is separated with data and is deposited, and there is the bus of 8 massive parallelisms inside, and integrated chip has abundant on-chip memory resource.On-Chip peripheral comprises multichannel buffered serial port (McBSP), 8bit main frame (HPI) and 16bit timer; The CPU structure optimized, comprises the logical block of 40bit arithmetic logical unit (ALU), 17bit × 17bit parallel multiplier and applicable digital signal processing algorithm; Separately be equipped with powerful order set, make this chip have very high processing speed.In addition, this chip adopts dual power supply mechanism, i.e. core power and I/0 power supply two parts, and wherein core power adopts 1.8V, effectively can reduce chip power-consumption; I/0 power acquisition 3.3V, dsp chip can direct and outer low pressure device interface without the need to extra level shifting circuit.
Embodiment five
On the basis of above-described embodiment, this data-carrier store 4 comprises many wordline; Organize bit line more; Multiple storage unit, arranges in a matrix fashion, and wherein each storage unit can by this wordline of correspondence and this corresponding group bit line access data; Multiple amplifier couples describedly organizes bit line more, in order to read and data in amplifying and storage unit; Multiple diode, couples and described organizes bit line more; And a voltage source, carry out pre-charged through group bit lines many described in described diode pair.Amplifier has two input ends, couples the first bit line BL and the second bit line BL respectively.First switch couples the first bit line BL, and second switch couples the second bit line BL.Diode formed by a nmos pass transistor, and the grid drain electrode of this nmos pass transistor couples, in order to form the diode of a PN junction.The source electrode of nmos pass transistor couples voltage source V DD, and its drain electrode couples the first switch and second switch, and utilizes the conducting of the first switch and second switch to make voltage source V DD carry out pre-charged to the first bit line BL and the second bit line BL respectively.The first transistor has one first source electrode, one first drain electrode and a first grid, and wherein this first source electrode couples this first bit line BL, and this first drain electrode couples a data storage element, and this first grid couples a wordline WL.Transistor seconds has one second source electrode, one second drain electrode and a second grid, and wherein this second source electrode couples this second bit line BL, and this second drain electrode couples this data storage element, and this second grid couples this wordline WL.When data storage element is chosen to, wordline WL can transmit a high voltage signal, in order to conducting the first transistor and transistor seconds, the output terminal making the data stored in data storage element be sent to amplifier through the first bit line BL and the second bit line BL exports data.Data storage element more comprises one first phase inverter, and its output terminal couples the first drain electrode of this first transistor, one second phase inverter, and its input end couples the output terminal of this first phase inverter, and its output terminal couples the second drain electrode of this transistor seconds.
Embodiment six
On the basis of above-described embodiment, described clearance device 5 comprises base plate 51, the middle part of base plate 51 is provided with support column 52, support column 52 is fixedly connected with base plate 51, base plate 51 both sides are respectively arranged with arc-shaped guardrail 53, and support column 52 top is provided with cant beam 54, and cant beam 54 is connected with pipe 55, described cant beam 54 is made up of U-shaped pipe, and two free ends of U-shaped pipe weld mutually with pipe 55 outer wall; Pipe 55 is sleeved on support column 52, is provided with single direction turning mechanism between described support column 52 and pipe 52; Described single direction turning mechanism comprises the ratchet 56 be fixedly connected with support column 52 and the ratchet 57 be connected with ratchet 56, ratchet 57 is connected with swivel arm 58, swivel arm 58 one end is fixedly connected with pipe 55 with the rotation axis 59 chain connection other end be arranged on support column 52, and pipe 55 outer wall is along the circumferential direction separated by 120 degree and is provided with rotating beam 510; Described rotating beam 510 is made up of upper rotating beam and lower rotating beam, the length of lower rotating beam is 2/3rds of upper rotating beam, be provided with tie-beam between the end of lower rotating beam and upper rotating beam, save starting material, improve the strength and stiffness of cant beam.Support column 52 bottom is provided with fixed beam 511, and fixed beam 511 is connected with stationary pipes 512, and stationary pipes 512 is sleeved on support column 52; Support column 52 bottom is provided with through hole, and described through hole is at least 2; Stationary pipes 512 is provided with connecting hole, and described connecting hole is at least 2; Through hole is corresponding with the position of connecting hole, and stationary pipes 512 is connected with support column 52 with wing nut by bolt 513.
Claims (6)
1. one kind is applied to large data iris recognition examinee and takes an examination Verification System, it is characterized in that: comprise the iris capturing device (10) being arranged on examination hall entrance, AD converter (11), digital signal processing chip (3), data-carrier store (4), arm processor (12) and clearance device (5), described iris capturing device (10) is connected with digital signal processing chip (3) by AD converter (11), described digital signal processing chip (3) is connected with clearance device (5) by arm processor (12), described data-carrier store (4) is connected with digital signal processing chip (3), the iris image information that described iris capturing device (10) gathers supplied with digital signal process chip (3) after AD converter (11) converts digital picture to processes, and signal input arm processor (12) after process is controlled unlatching or the closedown of clearance device (5).
2. be applied to large data iris recognition examinee as claimed in claim 1 to take an examination Verification System, it is characterized in that: described iris capturing device (10) is IRISPASS, BM-ET300 or BM-ET500, and the camera lens front end of described iris capturing device (10) is provided with IR cut filter device.
3. be applied to large data iris recognition examinee as claimed in claim 1 to take an examination Verification System, it is characterized in that: the model that described AD converter (11) selects AD company to produce is the AD converter (11) of AD7705.
4. be applied to large data iris recognition examinee as claimed in claim 1 to take an examination Verification System, it is characterized in that: the model that described digital signal processing chip selects TI company to produce is the digital signal processing chip of TMS320VC5402.
5. be applied to large data iris recognition examinee as claimed in claim 1 to take an examination Verification System, it is characterized in that: described clearance device (5) comprises base plate (51), the middle part of base plate (51) is provided with support column (52), support column (52) is fixedly connected with base plate (51), base plate (51) both sides are respectively arranged with arc-shaped guardrail (53), support column (52) top is provided with cant beam (54), cant beam (54) is connected with pipe (55), pipe (55) is sleeved on support column (52), single direction turning mechanism is provided with between described support column (52) and pipe (55), described single direction turning mechanism comprises the ratchet (56) be fixedly connected with support column (52) and the ratchet (57) be connected with ratchet (56), ratchet (57) is connected with swivel arm (58), swivel arm (58) one end is fixedly connected with pipe (55) with rotation axis (59) the chain connection other end be arranged on support column (52), and pipe (55) outer wall is along the circumferential direction separated by 120 degree and is provided with rotating beam (510), support column (52) bottom is provided with fixed beam (511), and fixed beam (511) is connected with stationary pipes (512), and stationary pipes (512) is sleeved on support column (52), support column (52) bottom is provided with through hole, and stationary pipes (512) is provided with connecting hole, and through hole is corresponding with the position of connecting hole, and stationary pipes (512) is connected with support column (52) with wing nut by bolt (513).
6. be applied to large data iris recognition examinee as claimed in claim 5 to take an examination Verification System, it is characterized in that: described rotating beam (510) is made up of upper rotating beam and lower rotating beam, the length of lower rotating beam is 2/3rds of upper rotating beam, is provided with tie-beam between the end of lower rotating beam and upper rotating beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664143.2U CN204965463U (en) | 2015-08-29 | 2015-08-29 | Be applied to big data iris discernment examinee certification system that takes an examination |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520664143.2U CN204965463U (en) | 2015-08-29 | 2015-08-29 | Be applied to big data iris discernment examinee certification system that takes an examination |
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| CN204965463U true CN204965463U (en) | 2016-01-13 |
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| CN201520664143.2U Expired - Fee Related CN204965463U (en) | 2015-08-29 | 2015-08-29 | Be applied to big data iris discernment examinee certification system that takes an examination |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107730692A (en) * | 2017-11-11 | 2018-02-23 | 成都才智圣有科技有限责任公司 | Applied to big data iris recognition examinee examination Verification System |
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2015
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107730692A (en) * | 2017-11-11 | 2018-02-23 | 成都才智圣有科技有限责任公司 | Applied to big data iris recognition examinee examination Verification System |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20160829 |