CN107480741A - A kind of portable quick identity scanning recognition instrument and its recognition methods - Google Patents
A kind of portable quick identity scanning recognition instrument and its recognition methods Download PDFInfo
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- CN107480741A CN107480741A CN201710805386.7A CN201710805386A CN107480741A CN 107480741 A CN107480741 A CN 107480741A CN 201710805386 A CN201710805386 A CN 201710805386A CN 107480741 A CN107480741 A CN 107480741A
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- 238000000034 method Methods 0.000 title claims description 17
- 238000012795 verification Methods 0.000 claims abstract description 11
- 238000012546 transfer Methods 0.000 claims abstract description 4
- 238000012549 training Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
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- Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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- Character Discrimination (AREA)
Abstract
The present invention provides a kind of portable quick identity scanning recognition instrument, including：Collecting unit：For carrying out video/image collection to certificate；Automatic focusing unit：For carrying out automatic focusing to collecting unit；Type of credential identification model：For identifying type of credential；Identity information intercepts frame：The identity information region in video/image for intercepting certificate；Pretreatment unit：For identity information region is handled with obtain can by OCR unit identify machine-readable code identity information；Verification unit：It is connected simultaneously with type of credential identification model and OCR unit, for recalling the database to match according to type of credential, recycles machine-readable code check rule to make the identity information that is identified in OCR unit and information matches in the database；Transfer unit：For the identity information being matched to be transferred into Police Information shared data bank.Beneficial effect：Facilitate security administration and a variety of certificate informations can be checked.
Description
Technical field
The present invention relates to electronic information processing technology field, more particularly to a kind of portable quick identity scanning recognition instrument and
Its recognition methods.
Background technology
In today of rapid development, the floating population in China has increased to 3.83 hundred million, floating population's total amount it is drastically swollen
It is swollen, cause the difficulty of social security management to increase.
Passport is to issue state citizen, the effective evidential documents for proving its identity by a country.Certification of Second Generation body
Part is to issue the effective evidential documents that citizen is distinctive, proves its identity by China's public security.It is quick with domestic economy
Development, domestic and international and various regions section cooperation and exchange is increasingly frequent, the increase of people-to-people contacts quantity, correctly and efficiently identifies toward messenger
The true identity of member is significant.
The credential reading device used in the prior art is by reading the readable optical character printed on certificate, i.e. MRZ
(Machine Readable Zone) machine-readable code identifies holder identity.Substantially have 3 using the species of machine-readable code in the world
Kind, it is used for 2 row, 44 character types of passport, is used for the ID card 3 row, 30 character types, 2 rows 36 for visa
Individual character types.On the one hand, because the MRZ code types of various types of certificate identifier identity informations are different, different cards is identified
Part needs that different readers is respectively adopted；On the other hand, existing credential reading device function is single, otherwise certificate can only be read
In machine-readable code, or additional clause electronic information can only be read, be unfavorable for improve Consumer's Experience.
The content of the invention
In view of this, facilitate security administration the embodiment provides a kind of and a variety of certificate informations can be checked just
Take the quick identity scanning recognition instrument of formula and its recognition methods.
Embodiments of the invention provide a kind of portable quick identity scanning recognition instrument, including：
Collecting unit：For carrying out video/image collection to the certificate containing identity information；
Automatic focusing unit：It is connected with the collecting unit, for carrying out automatic focusing to the collecting unit to improve
The rate respectively of the video/image of collection；
Type of credential identification model：It is connected with the collecting unit, by being trained to training sample set to obtain, uses
The type of credential is identified in the feature according to the certificate；
Identity information intercepts frame：On the display screen of the portable quick identity scanning recognition instrument, with the certificate
Type identification model is connected, the identity information region in video/image for intercepting the certificate and exclude non-identity information
Region；
Pretreatment unit：It is connected with identity information interception frame, for described in identity information interception inframe
Identity information region is handled to obtain the machine-readable code identity information that can be identified by OCR unit；
OCR unit：Identity information is obtained for identifying the machine-readable code identity information；
Verification unit：It is connected simultaneously with the type of credential identification model and the OCR unit, for according to the certificate
Type of credential that type identification Model Identification goes out and recall the database to match with the type, recycle machine-readable code check rule
Make the identity information that is identified in the OCR unit and information matches in the database；
Transfer unit：It is connected with the verification unit, is shared for the identity information being matched to be transferred into Police Information
Database.
Further, described portable quick identity scanning recognition instrument is mobile phone, and the collecting unit is on mobile phone
Camera.
Further, the identity information interception frame is the rectangle frame on the display screen, by corresponding to the rectangle frame
Video/image region be defined as the identity information region；Or the portable quick identity scanning recognition instrument detects
After the drag operation of the rectangle frame, the video/image region corresponding to region that the rectangle frame is dragged to is defined as institute
State identity information region；Either by the portable quick identity scanning recognition instrument detect the rectangle frame length or/
It is changed with width and rear form the video/image region corresponding to new rectangle frame and be defined as the identity information region.
Further, the length-width ratio of the rectangle frame is 4:3.
Embodiments of the invention provide a kind of recognition methods of portable quick identity scanning recognition instrument, including following step
Suddenly：
Step 1：Video/image collection is carried out to the certificate containing identity information using collecting unit；
Step 2：Automatic focusing is carried out to the collecting unit, then by type of credential identification model according to the certificate
Feature and identify the type of credential；
Step 3：The collecting unit is in the video/image data procedures for gathering the certificate, using on display screen
Identity information interception frame intercepts the identity information region on the certificate and excludes non-identity information region；
Step 4：The identity information region is handled and believed with obtaining the machine-readable code identity that can be identified by OCR unit
Breath；
Step 5：The machine-readable code identity information is identified using OCR unit and obtains identity information；
Step 6：Recall what is matched with the type according to the type of credential that the type of credential identification model identifies
Database, make the identity information that is identified in the OCR unit and information matches in the database using machine-readable code check rule, if
The match is successful, then enters in next step, otherwise return to the step 1；
Step 7：Successful identity information will be matched shown by the display screen and be transferred to Police Information and be total to
Enjoy database.
Further, processing is carried out to the identity information region in step 4 to comprise the following steps：
Step 4.1：Gray proces are carried out to the identity information region in step 3；
Step 4.2：Rim detection is carried out to the identity information region after gray proces to extract its initial coordinate；
Step 4.3：According to the initial coordinate, the identity for being determined by tolerant fail algorithm and intercepting identity information region is sat
Mark.
Further, the initial coordinate includes passport NO. initial coordinate and name initial coordinate, the identity coordinate
Including passport NO. coordinate and name coordinate, the OCR unit is by identifying identity information region corresponding to the identity coordinate
And obtain identity information.
Further, type of credential identification model described in step 2 is instructed by being trained to training sample set to obtain
The step of practicing the training of sample set is as follows：
Step 2.1：Gather the certificate image of inhomogeneity certificate；
Step 2.2：Format feature of the demarcation per class certificate image；
Step 2.3：Using all certificate images of LambdaMART Rank Algorithm for Training and the format feature of demarcation,
Obtain the part type identification model；
The video/image and its format feature that the type of credential identification model gathers according to step 1 and the training sample
This collection is matched, and identifies the type of credential of the certificate described in step 1.
Further, the identity information interception frame is the rectangle frame on the display screen, by corresponding to the rectangle frame
Video/image region be defined as the identity information region；Or the portable quick identity scanning recognition instrument detects
After the drag operation of the rectangle frame, the video/image region corresponding to region that the rectangle frame is dragged to is defined as institute
State identity information region；Either by the portable quick identity scanning recognition instrument detect the rectangle frame length or/
It is changed with width and rear form the video/image region corresponding to new rectangle frame and be defined as the identity information region.
The beneficial effect brought of technical scheme that embodiments of the invention provide is：The verification unit by simultaneously with institute
State type of credential identification model with the OCR unit to be connected, the type of credential identified according to the type of credential identification model
And the database to match with the type is recalled, the identity that recycling machine-readable code check rule makes to identify in the OCR unit is believed
Breath and information matches in the database, it is simple and convenient so as to check the identity information included in different types of certificate.
Brief description of the drawings
Fig. 1 is the schematic diagram of the portable quick identity scanning recognition instrument of the present invention；
The step of Fig. 2 is the recognition methods of the portable quick identity scanning recognition instrument of the present invention is schemed.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is further described.
Fig. 1 is refer to, the embodiment provides a kind of portable quick identity scanning recognition instrument, the scanning is known
Other instrument for ease of carrying mobile terminal, such as：Mobile phone or tablet personal computer etc., including collecting unit 1, the collecting unit 1 are institute
The camera (such as mobile phone camera) of mobile terminal is stated, for being adopted to the certificate progress video containing identity information or image
Collection.
In order to improve the rate respectively of the video of collection or image, the mobile terminal also includes automatic focusing unit 2, institute
State automatic focusing unit 2 with the collecting unit 1 to be connected, for carrying out automatic focusing to the collecting unit 1.It is described mobile whole
End also includes type of credential identification model 3, and the type of credential identification model 3 is connected with the collecting unit 1, by training
Sample set is trained and obtains the type of credential identification model 3, and the type of credential identification model 3 is used for according to the card
The feature of part and identify the type of credential, the type of credential identification model 3 is connected with some databases, some data
Storehouse corresponds to the registration of some certificate informations or register base respectively, as corresponding to identity card database, database corresponding to passport, learn
Database corresponding to raw card.
In order to improve the efficiency of OCR identification process and the degree of accuracy, the mobile terminal also includes identity information interception frame 4,
The identity information interception frame 4 is on the display screen 10 of the portable quick identity scanning recognition instrument, with the certificate class
Type identification model 3 is connected, the identity information region in video/image for intercepting the certificate and exclude non-identity information area
Domain.The identity information interception frame 4 is the rectangle frame on the display screen 10, and among first embodiment, the rectangle frame is
Fixed frame, its size and location on the display screen 10 is fixed, and the video/image region corresponding to the rectangle frame is true
It is set to the identity information region, the region beyond the rectangle frame is the non-identity information region, the non-identity information
Region needs to be rejected to improve follow-up OCR recognition efficiencies while reduce unexpected factors because not containing identity information
Disturb and improve the accuracy of identification；Among second embodiment, the rectangle frame can be moved as needed, it is described just
Take the region institute that after the quick identity scanning recognition instrument of formula detects the drag operation of the rectangle frame, the rectangle frame is dragged to
Corresponding video/image region is defined as the identity information region；Among 3rd embodiment, the big I of the rectangle frame
Become, the portable quick identity scanning recognition instrument is detected that the length of the rectangle frame or width are changed afterwards
Form the video/image region corresponding to new rectangle frame and be defined as the identity information region.It is preferred that the length of the rectangle frame
Wide ratio is 4:3.
The mobile terminal also includes pretreatment unit 5, and the pretreatment unit 5 intercepts the phase of frame 4 with the identity information
Even, for being handled the identity information region in identity information interception frame 4 to obtain by OCR unit 6 to be known
Other machine-readable code identity information.The OCR unit 6 is used to identify the machine-readable code identity information and obtain identity information.
One verification unit 7 is connected with the type of credential identification model 3 and the OCR unit 6 simultaneously, the verification unit
7 are used to recall the database to match with the type according to the type of credential that the type of credential identification model 3 identifies, then
Make the identity information that is identified in the OCR unit 6 and information matches in the database using machine-readable code check rule, if matching into
Work(, then carry out subsequent process.
One transfer unit 8 is connected with the verification unit 7, is total to for the identity information being matched to be transferred into Police Information
Enjoy database 9.The display screen 10 is connected with the verification unit 7 simultaneously, for showing the identity information after verified reduction.
Fig. 2 is refer to, embodiments of the invention provide a kind of recognition methods of portable quick identity scanning recognition instrument, bag
Include following steps：
Step 1：Video/image collection is carried out to the certificate containing identity information using collecting unit 1.
Step 2：Automatic focusing is carried out to the collecting unit 1, then by type of credential identification model 3 according to the card
The feature of part and identify the type of credential.The type of credential identification model 3 is obtained by being trained to training sample set
Arrive, it is as follows the step of the training of training sample set：
Step 2.1：Gather the certificate image of inhomogeneity certificate；
Step 2.2：Format feature of the demarcation per class certificate image；
Step 2.3：Using all certificate images of LambdaMART Rank Algorithm for Training and the format feature of demarcation,
Obtain the part type identification model 3；
The video/image and its format feature that the type of credential identification model 3 gathers according to step 1 and the training sample
This collection is matched, and identifies the type of credential of the certificate described in step 1.
Step 3：The collecting unit 1 is in the video/image data procedures for gathering the certificate, using on display screen
Identity information interception frame 4 intercepts the identity information region on the certificate and excludes non-identity information region.
Step 4：The machine-readable code identity letter for being handled the identity information region to obtain to be identified by OCR unit 6
Breath.Processing is carried out to the identity information region to comprise the following steps：
Step 4.1：Gray proces are carried out to the identity information region in step 3；
Step 4.2：Rim detection is carried out to the identity information region after gray proces to extract its initial coordinate；
Step 4.3：According to the initial coordinate, the identity for being determined by tolerant fail algorithm and intercepting identity information region is sat
Mark.
The initial coordinate includes passport NO. initial coordinate and name initial coordinate, and the identity coordinate includes certificate number
Code coordinate and name coordinate, the OCR unit 6 obtain identity by identifying identity information region corresponding to the identity coordinate
Information.
Step 5：The machine-readable code identity information is identified using OCR unit 6 and obtains identity information；
Step 6：Recall what is matched with the type according to the type of credential that the type of credential identification model 3 identifies
Database, make the identity information that is identified in the OCR unit 6 and information matches in the database using machine-readable code check rule,
If the match is successful, enter in next step, otherwise return to the step 1；
Step 7：Successful identity information will be matched to show by the display screen 10 and be transferred to Police Information
Shared data bank 9.
The beneficial effect brought of technical scheme that embodiments of the invention provide is：The verification unit 7 by simultaneously with
The type of credential identification model 3 is connected with the OCR unit 6, the certificate identified according to the type of credential identification model 3
Type and recall the database to match with the type, recycle machine-readable code check rule to make the body identified in the OCR unit
Part information and information matches in the database, so as to check the identity information included in different types of certificate, simple side
Just.
Herein, the involved noun of locality such as forward and backward, upper and lower is to be located at parts in accompanying drawing in figure and zero
The mutual position of part is intended merely to the clear of expression technology scheme and conveniently come what is defined.It should be appreciated that the noun of locality
Use should not limit the claimed scope of the application.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (9)
- A kind of 1. portable quick identity scanning recognition instrument, it is characterised in that including：Collecting unit：For carrying out video/image collection to the certificate containing identity information；Automatic focusing unit：It is connected with the collecting unit, for carrying out automatic focusing to the collecting unit to improve collection Video/image rate respectively；Type of credential identification model：It is connected with the collecting unit, by being trained training sample set to obtain, for root The type of credential is identified according to the feature of the certificate；Identity information intercepts frame：On the display screen of the portable quick identity scanning recognition instrument, with the type of credential Identification model is connected, the identity information region in video/image for intercepting the certificate and exclude non-identity information region；Pretreatment unit：It is connected with identity information interception frame, for intercepting the identity of inframe to the identity information Information area is handled to obtain the machine-readable code identity information that can be identified by OCR unit；OCR unit：Identity information is obtained for identifying the machine-readable code identity information；Verification unit：It is connected simultaneously with the type of credential identification model and the OCR unit, for according to the type of credential Type of credential that identification model identifies and recall the database to match with the type, recycle machine-readable code check rule to make institute State the identity information identified in OCR unit and information matches in the database；Transfer unit：It is connected with the verification unit, for the identity information being matched to be transferred into Police Information shared data Storehouse.
- 2. portable quick identity scanning recognition instrument as claimed in claim 1, it is characterised in that：Described portable quick body Part scanning recognition instrument is mobile phone, and the collecting unit is the camera on mobile phone.
- 3. portable quick identity scanning recognition instrument as claimed in claim 1, it is characterised in that：The identity information intercepts frame For the rectangle frame on the display screen, the video/image region corresponding to the rectangle frame is defined as the identity information area Domain；Or after the portable quick identity scanning recognition instrument detects the drag operation of the rectangle frame, by the rectangle frame Video/image region corresponding to the region dragged to is defined as the identity information region；Or will be described portable quick Identity scanning recognition instrument detects that the length of the rectangle frame or width are changed and formed afterwards corresponding to new rectangle frame Video/image region be defined as the identity information region.
- 4. portable quick identity scanning recognition instrument as claimed in claim 3, it is characterised in that：The length-width ratio of the rectangle frame For 4:3.
- 5. a kind of recognition methods of portable quick identity scanning recognition instrument, it is characterised in that comprise the following steps：Step 1：Video/image collection is carried out to the certificate containing identity information using collecting unit；Step 2：Automatic focusing is carried out to the collecting unit, then the spy by type of credential identification model according to the certificate Levy and identify the type of credential；Step 3：The collecting unit utilizes the identity on display screen in the video/image data procedures for gathering the certificate Information interception frame intercepts the identity information region on the certificate and excludes non-identity information region；Step 4：The identity information region is handled to obtain the machine-readable code identity information that can be identified by OCR unit；Step 5：The machine-readable code identity information is identified using OCR unit and obtains identity information；Step 6：The data to match with the type are recalled according to the type of credential that the type of credential identification model identifies Storehouse, make the identity information that is identified in the OCR unit and information matches in the database using machine-readable code check rule, if matching Success, then enter in next step, otherwise return to the step 1；Step 7：Successful identity information will be matched to show by the display screen and be transferred to the shared number of Police Information According to storehouse.
- 6. the recognition methods of portable quick identity scanning recognition instrument as claimed in claim 5, it is characterised in that：In step 4 Processing is carried out to the identity information region to comprise the following steps：Step 4.1：Gray proces are carried out to the identity information region in step 3；Step 4.2：Rim detection is carried out to the identity information region after gray proces to extract its initial coordinate；Step 4.3：According to the initial coordinate, determined by tolerant fail algorithm and intercept the identity coordinate in identity information region.
- 7. the recognition methods of portable quick identity scanning recognition instrument as claimed in claim 6, it is characterised in that：It is described initial Coordinate includes passport NO. initial coordinate and name initial coordinate, and the identity coordinate includes passport NO. coordinate and name is sat Mark, the OCR unit obtain identity information by identifying identity information region corresponding to the identity coordinate.
- 8. the recognition methods of portable quick identity scanning recognition instrument as claimed in claim 5, it is characterised in that：In step 2 The type of credential identification model to training sample set by being trained to obtain, the step of the training of training sample set such as Under：Step 2.1：Gather the certificate image of inhomogeneity certificate；Step 2.2：Format feature of the demarcation per class certificate image；Step 2.3：Using all certificate images of LambdaMART Rank Algorithm for Training and the format feature of demarcation, obtain The part type identification model；The video/image and its format feature that the type of credential identification model gathers according to step 1 and the training sample set Matched, and identify the type of credential of the certificate described in step 1.
- 9. the recognition methods of portable quick identity scanning recognition instrument as claimed in claim 5, it is characterised in that：The identity Information interception frame is the rectangle frame on the display screen, the video/image region corresponding to the rectangle frame is defined as described Identity information region；Or after the portable quick identity scanning recognition instrument detects the drag operation of the rectangle frame, will Video/image region corresponding to the region that the rectangle frame drags to is defined as the identity information region；Or by described in Portable quick identity scanning recognition instrument detects that the length of the rectangle frame or width are changed and form new square afterwards Video/image region corresponding to shape frame is defined as the identity information region.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710805386.7A CN107480741A (en) | 2017-09-08 | 2017-09-08 | A kind of portable quick identity scanning recognition instrument and its recognition methods |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805386.7A CN107480741A (en) | 2017-09-08 | 2017-09-08 | A kind of portable quick identity scanning recognition instrument and its recognition methods |
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ID=60583605
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| CN201710805386.7A Pending CN107480741A (en) | 2017-09-08 | 2017-09-08 | A kind of portable quick identity scanning recognition instrument and its recognition methods |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108174289A (en) * | 2017-12-28 | 2018-06-15 | 泰康保险集团股份有限公司 | A kind of image data processing method, device, medium and electronic equipment |
| CN108319917A (en) * | 2018-02-02 | 2018-07-24 | 杭州清本科技有限公司 | Key message Enhancement Method, apparatus and system, storage medium in certificate image |
| CN109101963A (en) * | 2018-08-10 | 2018-12-28 | 深圳市碧海扬帆科技有限公司 | Certificate image automatic positive method, image processing apparatus and readable storage medium storing program for executing |
| CN109359647A (en) * | 2018-10-16 | 2019-02-19 | 翟红鹰 | Identify the method, equipment and computer readable storage medium of a variety of certificates |
| CN110503091A (en) * | 2019-07-19 | 2019-11-26 | 平安科技（深圳）有限公司 | Certificate verification method, device and storage medium based on neural network model |
| CN112949638A (en) * | 2019-11-26 | 2021-06-11 | 金毛豆科技发展(北京)有限公司 | Certificate image uploading method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108174289A (en) * | 2017-12-28 | 2018-06-15 | 泰康保险集团股份有限公司 | A kind of image data processing method, device, medium and electronic equipment |
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| CN108319917A (en) * | 2018-02-02 | 2018-07-24 | 杭州清本科技有限公司 | Key message Enhancement Method, apparatus and system, storage medium in certificate image |
| CN109101963A (en) * | 2018-08-10 | 2018-12-28 | 深圳市碧海扬帆科技有限公司 | Certificate image automatic positive method, image processing apparatus and readable storage medium storing program for executing |
| CN109359647A (en) * | 2018-10-16 | 2019-02-19 | 翟红鹰 | Identify the method, equipment and computer readable storage medium of a variety of certificates |
| CN110503091A (en) * | 2019-07-19 | 2019-11-26 | 平安科技（深圳）有限公司 | Certificate verification method, device and storage medium based on neural network model |
| CN112949638A (en) * | 2019-11-26 | 2021-06-11 | 金毛豆科技发展(北京)有限公司 | Certificate image uploading method and device |
| CN112949638B (en) * | 2019-11-26 | 2024-04-05 | 金毛豆科技发展(北京)有限公司 | Certificate image uploading method and device |
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