CN101661644A - Passport and certificate automatic checking technology - Google Patents
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Abstract
The invention relates to passport and certificate automatic checking technology, which is novel technology for automatically checking various types and versions of passports of all countries. The technology relates to an automatic control device integrating light, electricity and machine into a whole, which combines visual processing technology and image recognition technology to realize the function of automatic checking of passports and certificates. The device comprises an automatic control module, a mechanical transmission module, an image processing module, a visual processing module anda central processing system. The technology is characterized by comprising the following steps: automatically sucking the passports and the certificates into checking equipment; automatically readingbar code information of the passports; automatically acquiring countries, types and versions of the passports and the certificates; automatically checking the authenticity of the passports and the certificates and displaying and printing checking results; automatically performing comparison between people and certificates and displaying and printing comparison results; automatically turning a visapage of the passport to check the visa validity of the passport and automatically printing a certified chapter; intelligently producing and generating samples of the passports and the certificates; and downloading the samples of the passports and the certificates.
Description
Technical field
The present invention relates to the automatic discriminating and the automatic checking technology of passport, the certificate true and false, and people, the automatic correlation technique of card.
Background technology
Present examination, discriminating to the passport true and false can only be by manually checking.There are not robotization, intelligent examination machine and instrument.
China 165 countries that established diplomatic relations, there is the passport (such as individual passport, because of worker's passport, diplomatic passport etc.) of a plurality of classifications in each country, there are a plurality of versions in the passport of each classification in using the same period, and redaction is also being brought in constant renewal in and is being increased, therefore, in the discriminating and examination business of the passport true and false, reflect following problem and shortage:
1, frontier inspection is to the examination of the passport true and false at present, depend on the file tester equipment of import, file tester equipment can only be accomplished light source and shooting combination, lack the image automatic identification technology, can only play the effect that presents for the passport anti-forgery feature point, but for the judgement of the passport true and false, the experience and the own level that also need rely on the professional are carried out artificial judgment.
2, staff's technical training problem.The staff needs constantly study, a large amount of memories, abundant practical operation and experience accumulation, could grasp passport true and false checking technology, could keep synchronously with existing passport checking technology, could satisfy constantly to change and the business need of upgrading day by day.This because of being subjected to condition restriction, causes this problem particularly outstanding in the remote districts and the frontier station fewer in number of being open to the custom.
3, to the accuracy rate problem of passport real and fake discrimination and examination.Because the examination to the passport true and false is by manually carrying out, because personnel's professional skill and self-condition is different, there are differences in the judgement to the passport true and false, having occurred the case to counterfeit passport visa and clearance at present.Be easy to generate gateway of a country a breach of security like this, cause stealing into another country with the lawless person and get by under false pretences.
4, artificial examination needs staff's energy to keep high concentration, is easy to generate fatigue and reduces discriminating power.Present solution is to solve by personnel's changing shifts, causes each frontier station need be equipped with a large amount of testing staff that is open to the custom.Be equipped with a large amount of staff, not only be faced with technical training and problem of management, and increase fund and cost input.
5, present people, card contrast are decide by the range estimation of testing staff's eyes, because bearer's appearance there are differences with the photo on the passport, and the bearer is owing to change hair style, fat or thin variation, and the teenager causes the testing staff to judge by accident in situation such as blastoprolepsis in puberty easily.Occur more personation at present, hold the case that other people true passport reaches a standard, the testing staff is difficult to make accurate judgement to the close personnel of appearance, add external ethnic group difference, visually interpersonal face difference is little, therefore compares appearance and photo with manual type, and error rate is higher.
Summary of the invention
The present invention is exactly in order to address the above problem, and satisfies following function:
1, to the examination of the passport true and false, differentiate and transfer robotization, intellectualized operation to by manually-operated.
2, formed the unified standard of passport real and fake discrimination and examination with digitizing technique.Automatically each false proof point of passport and standard are compared, carry out scoring mechanism, and comprehensively draw the examination result, examination criteria consistance, the examination consistance as a result of passport have been realized, solved the inconsistent problem of artificial examination standard, and the artificial examination erroneous judgement problem that causes owing to being uneven of staff's professional skill.
3, with visual processes and image recognition technology, automatically the biological characteristic of bearer in the E-Passport and true man's biological characteristic are compared, carry out people, card contrast automatically.
4, passport is put into automatic examination equipment, draws the examination result at once, and check visa and printing proof seal, and the staff training of high strength and super-long-term has been removed in foolization operation completely from, improves the work efficiency of frontier inspection passport, certificates checking simultaneously.
5, it is big and can only be in the problem of fixed position work to have solved the file tester volume, technology of the present invention is applied to passport certificate intelligence examination equipment, the volume and weight of reduction equipment, not only can be placed on fixed position work, can also satisfy multidisciplinary uses such as frontier inspection, port, visa office simultaneously with the moving office of wagon flow.
For achieving the above object, the present invention has adopted following technical scheme:
Passport, certificate automatic checking technology are the automatons of integrated light, electricity, machine one, in conjunction with visual processes technology and image recognition technology, to reach the function to passport, certificate automatic checking.It is made up of automatic control module, mechanical drive module, image processing module, visual processes module, central processing system.The function that realizes has: passport, certificate suck examination equipment automatically; Automatic reading passport bar code information, obtain passport, certificate belonging country, classification and version automatically; Automatically examine the passport, the certificate true and false and show, print the examination result; Automatically carry out people, card comparison and show, print comparison result; To the passport visa page or leaf carry out automatic page turning, the validity of the visa of examining the passport, and print proof seal automatically; Passport, certificate sample are made and are generated; Passport, certificate sample be dress down.
Passport, certificate automatic checking technology are the sample storehouses that makes passport, certificate by non-programming intellectualized operation, with sample storehouse issue and under install in each checkout equipment.To passport, when certificate detects automatically, automatically suction and fixedly passport, certificate, automatic reading passport bar code information, and obtain passport according to the passport bar code information, certificate belonging country, classification and version, automatically to passport, the true and false of certificate detects, and show, print testing result, automatically obtain true man's interpupillary distance, and with E-Passport in the information of being preserved compare, finish from moving, the card comparison, and show, print comparing result, the passport visa page or leaf is carried out automatic page turning, automatically detect the validity and the demonstration of passport visa, print passport visa examination result, on the passport visa page or leaf, print proof seal automatically at last.
The certificate Automatic Measurement Technique is compared two steps automatically and is realized by making passport, certificates checking unique point comparison sample and passport, the certificate true and false:
Intelligence operation non-programming, the foolization is adopted in the making of passport, certificate sample, be that the producer does not need to be grasped computer programming, do not need to be grasped image recognition technology, only need sample, be provided with ping feature point to sample and get final product with the examination standard.The principle and the process that realize are: pass through man-machine interaction mode, with camera, amplification range, moving range, the acquisition parameters of utilization, adopt sampling parameter such as what combination of light sources, control sequence, the unique point position in passport and need the comparison parameters such as scope, comparison mode and comparison standard of comparison, automatically convert Digital Logic to and be kept in the encrypting database by computing machine, form basis, foundation and the standard of examination automatically, and the process of examination is exactly that the Digital Logic in the sample storehouse is translated into operational order and carried out the process that realizes automatically.
Passport, certificate sample storehouse can generate and be published in other checkout equipment of the same type, realize the unified generation in sample storehouse, unified dress and dynamic update down.The principle and the process that realize are: after sample completes, generate the sample storehouse of digitized checking method, examination flow process and examination standard by encryption technology, utilize transmission mediums such as disk, network, to install under the sample storehouse in the examination equipment, equal to have authorized a whole set of checking method of examination equipment, examination flow process and examination standard, make examination equipment can finish the examination work of passport, certificate automatically.
When passport, certificate are detected automatically, suck automatically and fixedly passport, certificate.As long as be the inlet port that passport, certificate are put into checkout equipment, then will be by induction gearing automatically with its suction, and be fixed to the detection position.Passport, certificate suction apparatus by on the motor position, under the motor position, certificate puts into, certificate takes out four groups of position transducers, clamping motors, move up and down motor, rubber wheel is formed, when certificate was put into, certificate was put into sensor and is passed the signal to control system.Control system control motor clamps certificate and certificate is moved down, and returns the signal that puts in place up to the motor position lower sensor, and certificate arrives assigned address.After the certificates checking operation is finished, control system control motor unclamps certificate, and after the user took out certificate, certificate took out sensor and passes the signal to control system, control system control moves up and down motor and moves upward, and transmits signal to control system up to the motor position upper sensor.
Automatic reading passport bar code information, obtain passport, certificate belonging country, classification and version automatically.Promptly do not need external passport bar code reader, but obtain the passport bar code information automatically, and obtain passport, certificate belonging country, classification and version automatically, and extract corresponding with it comparison sample automatically according to the passport bar code information by vision technique.When certificate is put into checkout equipment, machine by sensor to there being certificate to put into, automatically certificate is sucked and is placed into correct position, software enters automatic detected state automatically, to obtain the bar code information parameter successively and pass to automatic control module, automatic control module control light source switch, the software control camera obtains passport certificate data page or leaf entire image, and obtain passport certificate bar code information by Flame Image Process, determine passport certificate belonging country, passport certificate version and passport certificate possessor, software will extract corresponding with it camera automatically from the sample storehouse afterwards, light source, the mechanical drive parameter sends control system to.
Control system is transferred gearing, industrial camera and combination of light sources, and passport to be checked, certificate are taken a sample, and sample intelligence and sample library information are compared automatically, draws comparison result, and shows, prints comparison result.After control system was received camera, light source, mechanical drive parameter, the control gearing moved to assigned address with the industrial camera on the gearing and opens respective sources and make up, regulate the camera acquisition parameters.By industrial camera passport to be checked, certificate are taken a sample, sample intelligence and sample library information are compared automatically, draw comparison result, and show, print comparison result according to the comparison standard in the sample storehouse.
Automatically extract true man's interpupillary distance, compare, finish people, card comparison automatically, and show, print comparing result with photographic intelligence on the certificate.Certificate is put into assigned address, automatically obtain certificate photograph by vision technique, for E-Passport, then extract bearer's electronic information, obtain actual human head sculpture by video camera simultaneously, measure certificate bearer's interpupillary distance and true man's interpupillary distance with image processing techniques, both compare, and show, print comparing result.
Automatic page turning passport visa page or leaf is compared to the validity of visa page or leaf, and shows and the printing comparison result; For effective visa, print proof seal automatically.Automatic Measurement Technique can provide the automatic page turning module according to user's request, can translate into the visa page or leaf automatically, and the control gearing moves to assigned address with the industrial camera on the gearing and opens the respective sources combination.By industrial camera the visa page or leaf of passport to be checked, certificate is taken a sample, sample intelligence and database information are compared automatically, draw comparison result, and show, print comparison result.
Adopt unique optical cavity design, guarantee that in quite limited space ultraviolet, sidelight, RGB three coloured light, axis light light source obtain the generation best effects to the certificate characteristic image; Optical cavity adopts three camera lens combinations, a view picture camera, two microspur cameras, and two microspur cameras are fixed on the motion platform.For big characteristic image, obtain with the view picture camera,, obtain with two microspur cameras for the tiny characteristic image, because of two microspur cameras are fixed on the motion platform and can control two microspur camera positions by motion platform, guarantee that the fine feature of whole certificate can capture.(see figure 2)
The present invention fills up technological gap domestic and even that check automatically to the passport true and false in the whole world, examination, discriminating to the passport true and false transfer robotization, intellectualized operation to by manually-operated, removed the staff training of high strength and super-long-term from, improve the work efficiency of passport, certificates checking simultaneously, and be suitable for multidisciplinary uses such as frontier inspection, port, visa office.
6, description of drawings
Fig. 1: hardware block diagram
Fig. 2: optical cavity structural drawing
7, embodiment
The certificate Automatic Measurement Technique is compared two steps automatically and is realized by making passport, certificates checking unique point comparison sample and passport, the certificate true and false.
Passport, certificates checking unique point comparison sample are made:
Pass through man-machine interaction mode, with camera, amplification range, moving range, the acquisition parameters of utilization, adopt sampling parameter such as what combination of light sources, control sequence, the unique point position in passport and need the comparison parameters such as scope, comparison mode and comparison standard of comparison, automatically convert Digital Logic to and be kept in the encrypting database by computing machine, form basis, foundation and the standard of examination automatically, and the process of examination is exactly that the Digital Logic in the sample storehouse is translated into operational order and carried out the process that realizes automatically.Passport, certificate sample storehouse can generate and be published in other checkout equipment of the same type, realize the unified generation in sample storehouse, unified dress and dynamic update down.The principle and the process that realize are: after sample completes, generate the sample storehouse of digitized checking method, examination flow process and examination standard by encryption technology, utilize transmission mediums such as disk, network, to install under the sample storehouse in the examination equipment, equal to have authorized a whole set of checking method of examination equipment, examination flow process and examination standard, make examination equipment can finish the examination work of passport, certificate automatically.
Passport, the certificate true and false are compared automatically:
Passport, certificate are put into the checkout equipment inlet, by automatic suction, behind passport, the automatic inhalation device of certificate, automatically carry out the passport bar code reading, obtain the passport bar code information, determine classification and the version and the passport certificate possessor of passport certificate belonging country, passport certificate, extract corresponding comparison sample in the sample storehouse again, convert digitized checking method and examination flow process to implementation by control module, passport, certificate are taken a sample, compare according to the examination standard in the sample, and show, print the examination result; Afterwards, obtain true man's photo, utilize image recognition technology, passport and true man's interpupillary distance is compared, and show, print comparison result by video camera; Carry out the automatic page turning of visa page or leaf again, the validity of examination visa page or leaf, and show, print the examination result; For effective visa, to print proof seal automatically, and show corresponding information indicating, whole automatic examination process finishes.
The automatic suction of passport, certificate: suction apparatus by on the motor position, under the motor position, certificate puts into, certificate takes out four groups of position transducers, clamping motors, move up and down motor, rubber wheel is formed, when certificate was put into, certificate was put into sensor and is passed the signal to control system.Control system control motor clamps certificate and certificate is moved down, and returns the signal that puts in place up to the motor position lower sensor, and certificate arrives assigned address.After the certificates checking operation is finished, control system control motor unclamps certificate, and after the user took out certificate, certificate took out sensor and passes the signal to control system, control system control moves up and down motor and moves upward, and transmits signal to control system up to the motor position upper sensor.
Automatic reading passport bar code: pass through vision technique, utilize camera and combination of light sources, the passport that sucks is taken pictures, the differentiation of passport bar code on the photo is cut out, utilize image recognition technology to convert figure to character string, obtain the passport bar code information thus, and obtain passport, certificate belonging country, classification and version automatically, and extract corresponding with it comparison sample automatically according to the passport bar code information.
Passport, the certificate true and false are checked automatically: after control system was received camera, light source, mechanical drive parameter, the control gearing moved to assigned address with the industrial camera on the gearing and opens respective sources and make up, regulate the camera acquisition parameters.By industrial camera passport to be checked, certificate are taken a sample, utilize image recognition technology that sample intelligence and sample library information are compared automatically, draw comparison result, and show, print comparison result according to the comparison standard in the sample storehouse.
People, card comparison: obtain certificate photograph automatically by vision technique, for E-Passport, then extract bearer's electronic information, obtain actual human head sculpture by video camera simultaneously, measure certificate bearer's interpupillary distance and true man's interpupillary distance with image processing techniques, both compare, and show, print comparing result.
Automatic page turning and the examination of visa validity: the passport visa page or leaf is carried out automatic page turning, with the validity of the page or leaf that examines a visa.Utilize gearing, with page of data is that unit carries out page turning with one page, utilizes the visual processes technology that the visa page or leaf is taken a sample simultaneously, utilizes image recognition technology that image information is converted to numerical information, examine with the visa information in the database, and show, print the examination result.
The visa page or leaf is printed proof seal automatically: after by the examination of visa page or leaf validity, utilize the visual processes technology that the visa page or leaf is taken a sample, utilize image recognition technology and particular algorithm to find blank effective coverage, extract in the database electronics chapter image and utilize color printer with electronics chapter image print to visa page or leaf blank effective coverage.
Adopt unique optical cavity design, guarantee that in quite limited space ultraviolet, sidelight, RGB three coloured light, axis light light source obtain the generation best effects to the certificate characteristic image; Optical cavity adopts three camera lens combinations, a view picture camera, two microspur cameras, and two microspur cameras are fixed on the motion platform.For big characteristic image, obtain with the view picture camera,, obtain with two microspur cameras for the tiny characteristic image, because of two microspur cameras are fixed on the motion platform and can control two microspur camera positions by motion platform, guarantee that the fine feature of whole certificate can capture.(see figure 2).
Claims (9)
1, passport, certificate automatic checking technology, it is the automaton of integrated light, electricity, machine one, in conjunction with visual processes technology and image recognition technology, to realize the function to passport, certificate automatic checking.It is made up of automatic control module, mechanical drive module, image processing module, visual processes module, central processing system.It is characterized in that: passport, certificate suck examination equipment automatically; Automatic reading passport bar code information, obtain passport, certificate belonging country, classification and version automatically; Automatically examine the passport, the certificate true and false and show, print the examination result; Automatically carry out people, card comparison and show, print comparison result; To the passport visa page or leaf carry out automatic page turning, the validity of the visa of examining the passport, and print proof seal automatically; Passport, certificate sample are made and are generated; Passport, certificate sample be dress down.
Passport, certificate automatic checking technology are the sample storehouses that makes passport, certificate by non-programming intellectualized operation, with sample storehouse issue and under install in each checkout equipment.To passport, when certificate detects automatically, automatically suction and fixedly passport, certificate, automatic reading passport bar code information, and obtain passport according to the passport bar code information, certificate belonging country, classification and version, automatically to passport, the true and false of certificate detects, and show, print testing result, automatically obtain true man's interpupillary distance, and with E-Passport in the information of being preserved compare, finish from moving, the card comparison, and show, print comparing result, the passport visa page or leaf is carried out automatic page turning, automatically detect the validity and the demonstration of passport visa, print passport visa examination result, on the passport visa page or leaf, print proof seal automatically at last.
2, passport according to claim 1, certificate automatic checking technology, it is characterized in that: intelligence operation non-programming, the foolization is adopted in the making of passport, certificate sample, be that the producer does not need to be grasped computer programming, do not need to be grasped image recognition technology, only need sample, be provided with ping feature point, comparison mode and examination standard and get final product sample.
3, passport according to claim 1, certificate automatic checking technology is characterized in that: passport, certificate sample storehouse can generate and be published in other checkout equipment of the same type, realize the unified generation in sample storehouse, unified dress and dynamic update down.
4, passport according to claim 1, certificate automatic checking technology is characterized in that: when passport, certificate are detected automatically, suck automatically and fixedly passport, certificate.As long as be the inlet port that passport, certificate are put into checkout equipment, then will be by induction gearing automatically with its suction, and be fixed to the detection position.
5, passport according to claim 1, certificate automatic checking technology is characterized in that: automatic reading passport bar code information, obtain passport, certificate belonging country, classification and version automatically.Promptly do not need external passport bar code reader, but obtain the passport bar code information automatically, and obtain passport, certificate belonging country, classification and version automatically, and extract corresponding sample with it automatically according to the passport bar code information by vision technique.
6, passport according to claim 1, certificate automatic checking technology, it is characterized in that: transfer gearing, industrial camera and combination of light sources by control program automatically, passport to be checked, certificate are sampled, sample information and sample library information are compared automatically, draw comparison result, and show, print comparison result.
7, passport according to claim 1, certificate automatic checking technology is characterized in that: extract true man's interpupillary distance automatically, compare with the information of being preserved in the E-Passport, finish from moving, card comparison, and show, print comparing result.
8, passport according to claim 1, certificate automatic checking technology is characterized in that: automatic page turning passport visa page or leaf, and the validity of visa page or leaf is compared, and show and the printing comparison result; For effective visa, print proof seal automatically.
9, passport according to claim 1, certificate automatic checking technology, it is characterized in that: adopt unique optical cavity design, guarantee that in quite limited space ultraviolet, sidelight, RGB three coloured light, axis light light source obtain the generation best effects to the certificate characteristic image; Optical cavity adopts three camera lens combinations, a view picture camera, two microspur cameras, and two microspur cameras are fixed on the motion platform.For big characteristic image, obtain with the view picture camera,, obtain with two microspur cameras for the tiny characteristic image, because of two microspur cameras are fixed on the motion platform and can control two microspur camera positions by motion platform, guarantee that the fine feature of whole certificate can capture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200810142012A CN101661644A (en) | 2008-08-25 | 2008-08-25 | Passport and certificate automatic checking technology |
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| CN200810142012A CN101661644A (en) | 2008-08-25 | 2008-08-25 | Passport and certificate automatic checking technology |
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| CN200810142012A Pending CN101661644A (en) | 2008-08-25 | 2008-08-25 | Passport and certificate automatic checking technology |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102376107A (en) * | 2010-08-10 | 2012-03-14 | 深圳华视科创软件有限公司 | Self-service document storing and issuing device and its document issuing method |
| CN104077607A (en) * | 2014-06-10 | 2014-10-01 | 康征 | Automatic electronic passport and visa identification device |
| CN105389587A (en) * | 2015-10-27 | 2016-03-09 | 深圳德诚信用咭制造有限公司 | Card face printing quality automatic detection device and method thereof |
| CN106503521A (en) * | 2016-10-20 | 2017-03-15 | 北京小米移动软件有限公司 | Personal identification method and device |
| CN107784297A (en) * | 2017-11-23 | 2018-03-09 | 深圳鼎识科技有限公司 | Credential reader and certification recognition system |
| CN108053545A (en) * | 2017-12-29 | 2018-05-18 | 百度在线网络技术（北京）有限公司 | Certificate verification method and apparatus, server, storage medium |
| RU182506U1 (en) * | 2018-04-11 | 2018-08-21 | Владимир Викторович Арлазаров | Workstation for controlling passport documents |
| CN110516914A (en) * | 2019-08-01 | 2019-11-29 | 宁波火箭数据科技有限公司 | Single window householder method, terminal and computer readable storage medium |
| CN112215225A (en) * | 2020-10-22 | 2021-01-12 | 北京通付盾人工智能技术有限公司 | KYC certificate verification method based on computer vision technology |
| CN115019329A (en) * | 2021-02-19 | 2022-09-06 | 盛视科技股份有限公司 | Automatic certificate checking method and terminal |
| CN115331233A (en) * | 2022-08-12 | 2022-11-11 | 深圳市雄帝科技股份有限公司 | Method and device for extracting passport turning information |
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2008
- 2008-08-25 CN CN200810142012A patent/CN101661644A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102376107A (en) * | 2010-08-10 | 2012-03-14 | 深圳华视科创软件有限公司 | Self-service document storing and issuing device and its document issuing method |
| CN104077607A (en) * | 2014-06-10 | 2014-10-01 | 康征 | Automatic electronic passport and visa identification device |
| CN105389587A (en) * | 2015-10-27 | 2016-03-09 | 深圳德诚信用咭制造有限公司 | Card face printing quality automatic detection device and method thereof |
| CN106503521A (en) * | 2016-10-20 | 2017-03-15 | 北京小米移动软件有限公司 | Personal identification method and device |
| CN107784297A (en) * | 2017-11-23 | 2018-03-09 | 深圳鼎识科技有限公司 | Credential reader and certification recognition system |
| CN108053545A (en) * | 2017-12-29 | 2018-05-18 | 百度在线网络技术（北京）有限公司 | Certificate verification method and apparatus, server, storage medium |
| RU182506U1 (en) * | 2018-04-11 | 2018-08-21 | Владимир Викторович Арлазаров | Workstation for controlling passport documents |
| CN110516914A (en) * | 2019-08-01 | 2019-11-29 | 宁波火箭数据科技有限公司 | Single window householder method, terminal and computer readable storage medium |
| CN112215225A (en) * | 2020-10-22 | 2021-01-12 | 北京通付盾人工智能技术有限公司 | KYC certificate verification method based on computer vision technology |
| CN112215225B (en) * | 2020-10-22 | 2024-03-15 | 北京通付盾人工智能技术有限公司 | KYC certificate verification method based on computer vision technology |
| CN115019329A (en) * | 2021-02-19 | 2022-09-06 | 盛视科技股份有限公司 | Automatic certificate checking method and terminal |
| CN115019329B (en) * | 2021-02-19 | 2025-06-17 | 盛视科技股份有限公司 | Automatic document checking method and terminal |
| CN115331233A (en) * | 2022-08-12 | 2022-11-11 | 深圳市雄帝科技股份有限公司 | Method and device for extracting passport turning information |
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