CN214175096U - Identity information online verification system based on face recognition - Google Patents

Abstract

The utility model discloses an identity information online verification system based on face identification, including ID card information scanning module, ID card chip information reading module, face matching module, MFC figure user interactive interface, ID card information scanning module and ID card chip information reading module all establish in ID card identification device, and face matching module includes main control operating system and camera, main control operating system with MFC figure user interactive interface all establishes at the PC end; the identity card recognition device and the camera are both connected with the PC end, and the identity card recognition device enables the identity card to pass through at a constant speed for scanning through a mechanical transmission component; the identity card information scanning module and the identity card chip information reading module both adopt an ARM + FPGA framework, the defects of circuit customization are overcome, the defect that the number of circuits of an original programmable device is limited is overcome, the whole system realizes integration of information acquisition filing, identity matching and human-computer interaction, and is small in size, low in power consumption and high in safety.

Description

Identity information online verification system based on face recognition

Technical Field

The utility model relates to an identification technical field especially relates to an identity information online verification system based on face identification.

Background

The identity recognition technology has important significance for guaranteeing information safety under the current complex social environment with identity information counterfeiting. Traditional identity authentication: the ID card, the key, the password and the like are provided, the security of the identity authentication method is low, and the requirements of social progress and modern technological development are difficult to meet.

With the development of science and technology, there are many occasions that need authentication in the present daily life, such as authentication when entrance guard, travel vehicle, etc. However, in the prior art, common mechanical locks, ID cards, electronic coded locks and the like are generally adopted, and the identity authentication method has low safety due to the problems of key loss, password leakage and the like; in the aspect similar to travel transportation, most of high-speed rail stations and the like adopt high-speed rail ticket verification for getting on the train at present, and face technology and identity card verification are equipped in a small part of areas, but equipment is expensive.

Disclosure of Invention

To the problem that exists, the utility model aims at providing a mechanical structure is compact, stable, reliable, and hardware architecture performance is superior, and operation convenient to use's identity information on-line verification system based on face identification can effectively solve the identity authentication method security lower, verifies the not good scheduling problem of effect.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides an identity information online verification system based on face identification, includes ID card information scanning module, ID card chip information reading module, face matching module, MFC figure user interactive interface, its characterized in that: the identity card information scanning module and the identity card chip information reading module are both arranged in the identity card recognition device, the face matching module comprises a main control operating system and a camera, and the main control operating system and the MFC graphical user interaction interface are both arranged at a PC end; the identity card identification device is connected with the PC end, and the camera is also connected with the PC end; the identification card recognition device further comprises a mechanical transmission component.

Further, identification card recognition device includes subassembly and lower subassembly, it includes the image sensor transparent window to go up the subassembly, the subassembly includes image sensor transparent window and mechanical transmission component down, go up the image sensor transparent window with all be equipped with the image sensor who is used for scanning the identification card image in the image sensor transparent window down.

Further, the image sensor comprises LEn light source array, micro self-focusing rod lens array, photoelectric sensor array, circuit board, protective glass, interface and shell, wherein LEn light source array, micro self-focusing rod lens array, photoelectric sensor array, circuit board, protective glass and interface are all collected in the shell.

Further, the mechanical transmission component comprises a front transmission rubber roller, an intermediate transmission rubber roller and a rear transmission rubber roller which are sequentially arranged from front to back, a front sensor is arranged in front of the front transmission rubber roller, an intermediate sensor is arranged between the front transmission rubber roller and the intermediate transmission rubber roller, the transparent window of the lower image sensor is positioned between the intermediate transmission rubber roller and the rear transmission rubber roller, and a rear sensor is arranged behind the rear transmission rubber roller.

Furthermore, one side of the middle sensor is provided with a radio frequency transmitter for reading the information of the identity card chip.

Furthermore, the front transmission rubber roller, the middle transmission rubber roller and the rear transmission rubber roller are correspondingly provided with driven wheels, the driven wheels are all positioned in the upper assembly, and the front transmission rubber roller, the middle transmission rubber roller and the rear transmission rubber roller are connected through a gear transmission system.

Furthermore, a driven wheel pressurizing spring is arranged on the driven wheel.

Furthermore, a gear transmission system damping spring is arranged on the gear transmission system.

Furthermore, hardware control platforms of the identity card information scanning module and the identity card chip information reading module both adopt an ARM + FPGA architecture.

Further, the ARM chip is LPC4337 of NXP, and the FPGA chip is SPARTON 6 of XILINX.

The utility model has the advantages that: compared with the prior art, the utility model discloses an improvement part lies in:

1. the utility model discloses well identity information online verification system has realized that information acquisition archives, identity matching, human-computer interaction integration, and is small, low power dissipation, and the security is high.

2. The identity card identification device in the utility model can pass through the identity card at a constant speed through mechanical transmission, and the scanning information is more accurate; meanwhile, a driven wheel pressurizing spring is additionally arranged above the driven wheel, a damping spring is also additionally arranged for the gear transmission system, and the problems of slippage and image deformation of the identity card are effectively solved.

3. The utility model provides an identification card recognition device can scan the information of identification card positive and negative simultaneously, realizes the automatic concatenation of identification card image through the overall arrangement analysis of the identification card space of a whole page, and convenient and fast compares the face information that acquires identification card information and face matching module more.

4. The hardware control platform of the identity card information scanning module and the identity card chip information reading module adopts an ARM + FPGA framework, the LPC4337 of NXP selected by the ARM chip and the SPARTON 6 of XILINX selected by the FPGA chip solve the defects of a customized circuit and overcome the defect that the number of circuits of an original programmable device is limited;

5. the utility model discloses well ID card information scanning module and ID card chip information read the LPC4337 of the hardware control adoption NXP of two modules, be responsible for with PC end data transmission and motor drive control in addition with the data transmission of the SDRAM that expands outward, deposit SDRAM with the data of gathering earlier by ARM, wait whole image acquisition and accomplish, just upload the image, effectively avoided losing of image acquisition data.

6. The utility model discloses in the setting of ID card image scanning, optional scanning type, scanning resolution ratio, output image format.

7. The utility model discloses the user opens the function realization visual interaction that graphical user interface just can call all modules at the PC end.

Drawings

Fig. 1 is the utility model discloses identity on-line verification system structure schematic diagram based on face identification.

Fig. 2 is the utility model discloses the last subassembly of identification card recognition device and lower subassembly closed state front view.

Fig. 3 is the utility model discloses identification card recognition device goes up subassembly and lower subassembly open mode structure schematic diagram.

Fig. 4 is the rear view of the closed state of the upper assembly and the lower assembly of the identification card recognition device of the utility model.

Fig. 5 is a schematic view of the gear transmission system of the present invention.

Fig. 6 is a schematic diagram of a MFC graphical user interface.

Fig. 7 is a circuit control diagram of the present invention using an ARM chip of NXP series LPC4337 as a core;

FIG. 7a is a partial method diagram of portion A of FIG. 7 according to the present invention;

FIG. 7B is a partial method diagram of portion B of FIG. 7 in accordance with the present invention;

FIG. 7C is a partial method of FIG. 7C according to the present invention;

FIG. 8 is a partial circuit control diagram of the present invention, which uses the FPGA chip of SPARTON 6 of XILINX as the core;

FIG. 8a is an enlarged view of a portion D1 of FIG. 8 according to the present invention;

FIG. 8b is a partial method diagram of portion D2 of FIG. 8 according to the present invention;

FIG. 8c is a partial method diagram of section E of FIG. 8 according to the present invention;

FIG. 8d is an enlarged view of a portion F of FIG. 8 in accordance with the present invention;

fig. 9 is another circuit control diagram of the present invention, which uses the FPGA chip of SPARTON 6 of XILINX as a core;

wherein: 1-identification card recognition device, 11-upper assembly, 111-upper image sensor transparent window, 112-driven wheel, 113-driven wheel pressurizing spring, 114-gear drive train damping spring, 115-power indicator light, 116-status indicator light, 12-lower assembly, 121-lower image sensor transparent window, 122-front transmission rubber roll, 1221-front transmission rubber roll transmission gear, 123-middle transmission rubber roll, 1231-middle transmission rubber roll transmission gear, 124-rear transmission rubber roll, 1241-rear transmission rubber roll transmission gear, 1242-middle transmission gear, 1243-power transmission gear, 1244-motor gear, 125-front sensor, 126-middle sensor, 127-rear sensor, 128-power switch, 129-power interface, 1210-USB socket, 1211-forced card withdrawing key, 1212-cover opening handle, 13-empty shell, 2-camera, 3-PC terminal and 4-radio frequency emitter.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.

Referring to fig. 1-7, fig. 7a-7c, fig. 8a-8d, and fig. 9, an identity information online verification system based on face recognition is shown, which includes an identity card information scanning module, an identity card chip information reading module, a face matching module, and an MFC graphical user interface; the identity card information scanning module and the identity card chip information reading module are both arranged in the identity card recognition device 1, the face matching module comprises a main control operating system and a camera 2, and the main control operating system and the MFC graphical user interaction interface are both arranged at a PC end 3; the identification card recognition device 1 is connected with the PC end 3, and the camera 2 is also connected with the PC end 3.

Specifically, the identity card information scanning module and the identity card chip information reading module are both arranged in the identity card identification device 1;

the identification card recognition device 1 comprises an upper component 11 and a lower component 12, wherein a power indicator 115 and a status indicator 116 are arranged in front of the upper component 11, and a power switch 128, a power interface 129, a USB socket 1210 and a forced card withdrawal button 1211 are arranged behind the lower component; the power interface 129 is connected with a power supply through a power line to provide power for the whole device, the power switch 128 controls the start and stop of the power supply, the power switch 128 is electrically connected with the power indicator 115, the power indicator 115 is used for indicating the start and stop of the power supply, the status indicator 116 is used for indicating the running status of the device, the USB socket 1210 is connected with the PC end 3 through a USB connecting line, the forced card withdrawing key 1211 is used for carrying out forced card withdrawing, and when a card is clamped and cannot be automatically withdrawn, the card can be forcibly withdrawn through the forced card withdrawing key 1211; the lower module 12 is also provided with a door opening handle 1212 for opening the entire upper module 11.

Further, an upper image sensor transparent window 111 is arranged on the inner side of the upper assembly 11 downwards, a lower image sensor transparent window 121 is arranged on the inner side of the lower assembly 12 upwards, the upper image sensor transparent window 111 corresponds to the lower image sensor transparent window 121 vertically, and image sensors for scanning the images of the identification cards are arranged in the upper image sensor transparent window 111 and the lower image sensor transparent window 121.

Further, the image sensor comprises LEn light source array, micro self-focusing rod lens array, photoelectric sensor array, circuit board, protective glass, interface and shell; the LEn light source array, the micro self-focusing rod lens array, the photoelectric sensor array, the circuit board, the protective glass and the interface are all concentrated in the shell, and the structure is compact, the size is small, and the weight is light; the image sensor has the advantages that the width of a scannable image is 54mm, the scanning speed is 125mm/s, the image sensor is very quickly switched into a working state from a power-saving state, preheating is not needed during scanning, glass devices such as a lamp tube and an optical lens are not arranged in the image sensor, the anti-seismic performance is good, single clock driving/timing logic is adopted, and the control is simple;

further, the lower assembly 12 further includes a mechanical transmission member, the mechanical transmission member is designed to adopt a paper feeding type mechanical transmission structure, and the identity card scans images through the image sensor at a constant speed by the mechanical transmission member, so that one-time operation of identity card scanning and copying is completed.

Specifically, the mechanical transmission member comprises a front transmission rubber roller 122, a middle transmission rubber roller 123 and a rear transmission rubber roller 124 which are sequentially arranged at the inner side of the lower component 12 from front to back, a front sensor 125 is arranged in front of the front transmission rubber roller 122, a middle sensor 126 is arranged between the front transmission rubber roller 122 and the middle transmission rubber roller 123, a lower image sensor transparent window 121 is positioned between the middle transmission rubber roller 123 and the rear transmission rubber roller 124, and a rear sensor 127 is arranged behind the rear transmission rubber roller 124;

further, driven wheels 112 are arranged at positions corresponding to the front conveying rubber roller 122, the middle conveying rubber roller 123 and the rear conveying rubber roller 124 on the inner side of the upper assembly 11, and the driven wheels 112 are matched with the front conveying rubber roller 122, the middle conveying rubber roller 123 and the rear conveying rubber roller 124 to mechanically convey the identity card.

Further, the front conveying rubber roller 122, the middle conveying rubber roller 123 and the rear conveying rubber roller 124 are connected through a gear transmission system; the gear transmission system is positioned on the left side of the lower component 12, a hollow shell 13 is arranged on the left side of the lower component 12, and the gear transmission system is positioned in the hollow shell 13;

specifically, the gear transmission system comprises a front transmission rubber roller transmission gear 1221 arranged below the front transmission rubber roller 122, a middle transmission rubber roller transmission gear 1231 arranged below the middle transmission rubber roller 123, and a rear transmission rubber roller transmission gear 1241 arranged below the rear transmission rubber roller 124, the front transmission rubber roller transmission gear 1221 and the middle transmission rubber roller transmission gear 1231, and the middle transmission rubber roller transmission gear 1231 and the rear transmission rubber roller transmission gear 1241 are all meshed and connected through a middle transmission gear 1242, the middle transmission gear 1242 between the front transmission rubber roller transmission gear 1221 and the middle transmission rubber roller transmission gear 1231 is meshed with a power transmission gear 1243, the power transmission gear 1243 is meshed with a motor gear 1244, the motor gear 1244 is sleeved on a transmission shaft of a motor, and the motor is positioned below the lower component 12.

Furthermore, in order to solve the problem of transmission stability in the card scanning process, for example, the scanned image is lengthened or shortened, a driven wheel pressurizing spring 113 is arranged above the driven wheel 112, so that the pressure of the spring above the driven wheel 112 is increased, and the card slipping phenomenon in the change of the transmission torque is avoided; and a gear train damping spring 114 is added to the gear train to eliminate the effect of backlash in the gear train.

Specifically, the front sensor 125 is configured to detect whether the entrance is blocked or a card is present, if there is no blocking or a card is present, the front transfer rubber roller 122, the middle transfer rubber roller 123, and the rear transfer rubber roller 124 are started to transfer the id card, the middle sensor 126 is configured to detect whether the card passes through the image sensor, scanning is started if the card passes through the image sensor, scanning is closed if the card does not pass through the image sensor, the rear sensor 127 is configured to detect whether the card has been transferred to the rear end, and the front transfer rubber roller 122, the middle transfer rubber roller 123, and the rear transfer rubber roller 124 are reversely started to perform a card withdrawing operation if the card has been transferred to the rear end.

Furthermore, the identity card chip information reading module adopts a radio frequency technology, and the technology conforms to a non-contact card of the ISO/IEC 14443 TYPE B standard and supports reading of second-generation identity cards.

Specifically, the id card chip information reading module utilizes a small-sized radio frequency transceiver 4, the radio frequency transmitter 4 is located at one side of the middle sensor 126, and the radio frequency transmitter 4 is located on an internal circuit board of the id card identification device 1. The radio frequency transmitter 4 generates a space high-frequency alternating electromagnetic field, when the chip enters a working area, the chip label obtains energy to be activated, self-stored coding information is sent to the radio frequency receiver 4, and personal information in the identity card chip is obtained through decoding.

Furthermore, hardware control platforms of the identity card information scanning module and the identity card chip information reading module both adopt an ARM + FPGA architecture, the ARM chip selects LPC4337 of NXP, the FPGA chip selects SPARTON 6 of XILINX, the ARM is responsible for data transmission with a PC end, motor transmission control and data transmission with an externally-expanded SDRAM, the FPGA is responsible for acquiring a clock required by an image sensor, acquiring images, AD conversion and black and white calibration of the images acquired by the image sensor, and the misreading rate and the card reading rate are both less than 0.1%. The positive and negative images of the identity card obtained through ARM and FPGA acquisition and uploading are automatically spliced through layout analysis of the identity card layout, and the temperature is required by the hardware working environment: -5 to +50 ℃, humidity: 20% -90%; and the hardware modules all contain power-down protection units, and provide temporary power supplies for the hardware modules when power is down, so that power-down card returning and data storage are realized.

Furthermore, when the image sensor scans and collects the identity card image, the identity card image is collected step by step, rather than being collected completely at the same time, so that a certain part of data is not lost in the collection process, partial image data obtained step by step is selected to be stored in the SDRAM firstly, and after scanning is finished, the complete image data of the SDRAM is uploaded, and the loss of the image collection data is effectively avoided.

Further, the utility model provides a hardware control platform and MFC graphic user interface can select to scan the type, scan resolution, output image format on ID card image scanning sets up, and ID card image scanning type can select grey map or color map, and scan resolution can select 200/600dpi, and scanning speed is about 125mm/s, and output image format is JPG or BMP.

Further, the identification card recognition device 1 uses a USB connection, and is connected with the PC end 3 through a USB socket 1210, the face matching module includes a main control operating system and a camera 2, the camera 2 is also connected with the PC end 3 through the USB socket 1210, and the main control operating system and the MFC graphical user interface are both arranged in the PC end 3.

Specifically, an identity card information scanning module and an identity card chip information reading module in the identity card recognition device 1 scan and read an identity card image and identity card chip information and then transmit the identity card image and the identity card chip information to a PC terminal 3, meanwhile, face information collected by a camera 2 is also transmitted to the PC terminal 3 through a USB connection wire, a master control operating system carries out a series of operations of FuSt face detection, key point positioning and CFAN face alignment and CNN face feature extraction on a face image collected by the camera and a face picture in a chip, then similarity, namely feature comparison is calculated by using Cosine, and finally a final output verification result is obtained by a set threshold value and displayed on an MFC graphic user interaction interface of the PC terminal 3.

Specifically, the MFC graphical user interaction interface runs on the PC terminal 3, and the interface function calls correspond to each function of the identity card information module, the identity card chip information reading module, and the face matching module, respectively, so as to visualize the running condition, data input, and result output of each hardware module;

specifically, the MFC graphical user interaction interface is written in C + +, the execution module can be directly called at the PC end 3 through the module, the obtained processing result is presented at the corresponding position of the interface, and secondary development can be realized on the basis of the dynamic link library SDK.

When the utility model is used, a power line is inserted at the power interface 129, a USB line connected with the PC end 3 is inserted at the USB socket 1210, and the camera 2 and the PC end 3 are connected; starting a power switch 128, starting system self-checking of the device, opening an MFC graphical user interaction interface on a PC end 3, clicking a scanning start button after setting scanning parameters such as resolution, image format output and the like, prompting to insert a card by the interface, putting an identity card into an inlet on a lower assembly 12 of the identity card identification device 1, conveying the identity card at a constant speed under the action of a front conveying rubber roller 122, a middle conveying rubber roller 123, a rear conveying rubber roller 124 and a driven wheel 112, scanning an identity card image by an image sensor when passing through an upper image sensor transparent window 111 and a lower image sensor transparent window 121, reading chip information by a radio-frequency emitter 4 when passing through a radio-frequency emitter radiation area, and transmitting the identity card image information and the chip information to the PC end 3 through a USB connection wire; meanwhile, the camera 2 collects face information and transmits the face information to the PC terminal 3 through a USB connection, and the master control operating system compares the face information and displays the face information on the MFC graphical user interaction interface.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides an identity information online verification system based on face identification, includes ID card information scanning module, ID card chip information reading module, face matching module, MFC figure user interactive interface, its characterized in that: the identity card information scanning module and the identity card chip information reading module are both arranged in the identity card recognition device (1), the face matching module comprises a main control operating system and a camera (2), and the main control operating system and the MFC graphical user interaction interface are both arranged at a PC (personal computer) end (3); the identity card recognition device (1) is connected with the PC end (3), and the camera (2) is also connected with the PC end (3); the identification card recognition device (1) further comprises a mechanical transmission component.

2. The identity information online verification system based on face recognition as claimed in claim 1, wherein: ID card recognition device (1) is including last subassembly (11) and lower subassembly (12), go up subassembly (11) and include image sensor transparent window (111), lower subassembly (12) are including lower image sensor transparent window (121) and mechanical transmission component, go up image sensor transparent window (111) with all be equipped with the image sensor who is used for scanning ID card image in lower image sensor transparent window (121).

3. The identity information online verification system based on face recognition as claimed in claim 2, wherein: the image sensor comprises LEn light source array, micro self-focusing rod lens array, photoelectric sensor array, circuit board, protective glass, interface and shell, wherein LEn light source array, micro self-focusing rod lens array, photoelectric sensor array, circuit board, protective glass and interface are all collected in the shell.

4. The identity information online verification system based on face recognition as claimed in claim 2, wherein: the mechanical transmission component comprises a front transmission rubber roller (122), an intermediate transmission rubber roller (123) and a rear transmission rubber roller (124), the front of the front transmission rubber roller (122) is provided with a front sensor (125), the front transmission rubber roller (122) is provided with an intermediate sensor (126) between the intermediate transmission rubber rollers (123), a lower image sensor transparent window (121) is positioned between the intermediate transmission rubber roller (123) and the rear transmission rubber roller (124), and a rear sensor (127) is arranged behind the rear transmission rubber roller (124).

5. The identity information online verification system based on face recognition as claimed in claim 4, wherein: and a radio frequency transmitter (4) for reading the information of the identity card chip is arranged on one side of the middle sensor (126).

6. The identity information online verification system based on face recognition as claimed in claim 4, wherein: the front transmission rubber roller (122), the middle transmission rubber roller (123) and the rear transmission rubber roller (124) are correspondingly provided with driven wheels (112), the driven wheels (112) are all positioned in the upper assembly (11), and the front transmission rubber roller (122), the middle transmission rubber roller (123) and the rear transmission rubber roller (124) are connected through a gear transmission system.

7. The identity information online verification system based on face recognition as claimed in claim 6, wherein: a driven wheel pressurizing spring (113) is arranged on the driven wheel (112).

8. The identity information online verification system based on face recognition as claimed in claim 7, wherein: a gear drive system damping spring (114) is arranged on the gear drive system.

9. The identity information online verification system based on face recognition as claimed in claim 1, wherein: hardware control platforms of the identity card information scanning module and the identity card chip information reading module both adopt an ARM + FPGA architecture.

10. The identity information online verification system based on face recognition as claimed in claim 9, wherein: the ARM chip is LPC4337 of NXP, and the FPGA chip is SPARTON 6 of XILINX.

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