CN107392203A - Regular picture information identifying method and system - Google Patents
Regular picture information identifying method and system Download PDFInfo
- Publication number
- CN107392203A CN107392203A CN201710560794.0A CN201710560794A CN107392203A CN 107392203 A CN107392203 A CN 107392203A CN 201710560794 A CN201710560794 A CN 201710560794A CN 107392203 A CN107392203 A CN 107392203A
- Authority
- CN
- China
- Prior art keywords
- regular picture
- picture
- regular
- mother matrix
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/24—Aligning, centring, orientation detection or correction of the image
- G06V10/243—Aligning, centring, orientation detection or correction of the image by compensating for image skew or non-uniform image deformations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
Abstract
The invention discloses a kind of regular picture information identifying method and system, method to include：The marginal information of regular picture is obtained in the image of shooting；Regular Pictures location in the picture and the deviation angle of mother matrix position are calculated according to marginal information, image is rotated according to deviation angle, makes the position of regular picture and mother matrix position consistency in image；According to the marginal information of the regular picture of acquisition, regular picture is cut out in image after rotation；Using the recognition rule defined based on mother matrix, row information identification is entered in the regular picture cut out.The regular picture information identifying method of the present invention and system, by establishing mother matrix and defining recognition rule, regular Pictures location and mother matrix position consistency are made by adjustment first, then the regular identification information in regular picture defined based on mother matrix is utilized, it is achieved thereby that also can effectively be identified for shooting inclined regular picture, the defects of prior art is present is overcome.
Description
Technical field
The present invention relates to image procossing application field, more particularly to a kind of regular picture information identifying method and system.
Background technology
Under the promotion of the technologies such as internet, cloud computing, big data development, E-Tax system is constantly sent out to intellectuality
Exhibition.Intelligent electronic tax system can embody in several respects, such as, taxpayer carries out on-line real name certification, it is necessary to upload proof
The related certificate photograph of its identity, to carry out examination ＆ verification certification, intellectuality, which is embodied in be compared from traditional manual examination and verification, to be changed into calculating
Machine automatic identification；And for example, taxpayer handles tax item, including the business such as registration, the purchase of invoice neck, tax declaration, also needs
Related certificate of taking pictures uploads to be accepted with auditing, and intellectuality, which is embodied in from traditional manual examination and verification, is changed into system automatic identification ratio
It is right.
In the prior art, the certificate picture and text identification function having in application system, it is desirable to which the certificate photograph that user uploads is clapped
Take the photograph that proper, position is appropriate, pictorial information can be correctly validated, and certificate is tilted and can not effectively identified.But actually should
In, excessively high require that user shoots the mode of certificate photograph, user can be made to feel very trouble inconvenience, often to be shot repeatedly
It could identify successfully.
The content of the invention
In consideration of it, it is an object of the invention to provide a kind of regular picture information identifying method and system, tilted for shooting
Regular picture also can effectively identify, overcome the defects of prior art is present.
To achieve the above object, the present invention provides following technical scheme：
A kind of regular picture information identifying method, including：
The marginal information of regular picture is obtained in the image of shooting；
The regular Pictures location in the picture and the deviation angle of mother matrix position, root are calculated according to the marginal information
Described image is rotated according to the deviation angle, makes the position of regular picture described in image and the mother matrix position consistency；
According to the marginal information of the regular picture of acquisition, regular picture is cut out in image after rotation；
Using the recognition rule defined based on the mother matrix, row information identification is entered in the regular picture cut out.
Alternatively, the marginal information that regular picture is obtained in the image of shooting includes：
Background removal is carried out to the image of shooting；
Binary conversion treatment and rim detection are carried out to the image after above-mentioned processing, obtain the regular picture in the picture
Corner pixels coordinate, the length of side of the regular picture.
Alternatively, carried out described using the recognition rule defined based on the mother matrix in the regular picture cut out
Before information identification, in addition to：
Pixel operation is zoomed in and out to the regular picture cut out according to the mother matrix, makes regular picture and the institute cut out
The Pixel Dimensions for stating mother matrix are consistent.
Alternatively, the recognition rule defined based on the mother matrix is included：Define the field name of field area, field area
The height of starting point pixel coordinate, the width of field area and field area；
It is described to utilize the recognition rule defined based on the mother matrix, row information identification bag is entered in the regular picture cut out
Include：
According to the starting point pixel coordinate, the width of field area and the height of field area of defined field area, from
Sub-pictures are cut in regular picture, the identification information in the sub-pictures.
Alternatively, also included based on the rule that the mother matrix defines：Define coordinate position error deviation amount；
It is described to utilize the recognition rule defined based on the mother matrix, row information identification tool is entered in the regular picture cut out
Body includes：
According to the coordinate position error deviation amount of definition, abscissa, the offset of ordinate of field area starting point are adjusted,
The sub-pictures of predetermined number are cut out from regular picture；
The identification information in each sub-pictures, obtains the recognition result of predetermined number；
One group of most recognition result of number be will appear from as final result.
Alternatively, also included based on the recognition rule that the mother matrix defines：Define zoom ratio；
It is described to utilize the recognition rule defined based on the mother matrix, row information identification is entered in the regular picture cut out also
Including：
Sub-pictures are zoomed in and out according to the zoom ratio of definition, identification information in the sub-pictures after scaling processing.
Alternatively, in addition to：When recognition failures ,/180 degree/270 degree are rotated by 90 ° to the regular picture cut out, then
It is secondary to be identified.
A kind of regular picture information identification system, including：
Acquisition module, for obtaining the marginal information of regular picture in the image of shooting；
Rectification module, for calculating the regular Pictures location in the picture and mother matrix position according to the marginal information
Deviation angle, according to the deviation angle rotate described image, make the position of regular picture described in image and the mother matrix
Position consistency；
Module is cut, for the marginal information of the regular picture according to acquisition, is cut out in image after rotation
Cut regular picture；
Identification module, for using the recognition rule defined based on the mother matrix, being carried out in the regular picture cut out
Information identifies.
Alternatively, the cutting module is additionally operable to, regular in the rule cut out using being defined based on the mother matrix
Enter in picture before row information identification, pixel operation is zoomed in and out to the regular picture cut out according to the mother matrix, makes cutting
The regular picture gone out is consistent with the Pixel Dimensions of the mother matrix.
Alternatively, the identification module is additionally operable to, when recognition failures, to regular picture rotation 180 degree/270 degree, again
It is identified.
As shown from the above technical solution, regular picture information identifying method provided by the present invention and system, are being clapped first
The marginal information of regular picture is obtained in the image taken the photograph, regular Pictures location and mother matrix in the picture are calculated using marginal information
Deviation angle, image is rotated according to this deviation angle, make the position of regular picture and mother matrix position consistency, Ran Hougen in image
According to the marginal information of regular picture, regular picture is cut out in image after rotation, further utilizes what is defined based on mother matrix
Rule enters row information identification in the regular picture cut out.
The regular picture information identifying method of the present invention and system, by establishing mother matrix and defining recognition rule, pass through first
Adjustment makes regular Pictures location and mother matrix position consistency, then utilizes the rule defined based on mother matrix to identify letter in regular picture
Breath, it is achieved thereby that also can effectively be identified for shooting inclined regular picture, overcome the defects of prior art is present.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of regular picture information identifying method provided in an embodiment of the present invention；
Fig. 2 is the mother matrix schematic diagram established in the embodiment of the present invention；
Fig. 3 is a kind of flow chart for regular picture information identifying method that further embodiment of this invention provides；
Fig. 4 is a kind of schematic diagram of regular picture information identification system provided in an embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to protection of the present invention
Scope.
It refer to Fig. 1, a kind of regular picture information identifying method provided in an embodiment of the present invention, including step：
S10：The marginal information of regular picture is obtained in the image of shooting.
It should be noted that in this method, the regular picture can be the various certificates with regular shape, for example occupy
People's identity card, social security card etc..
In the specific implementation, this step can be carried out by following processing procedure, including step：
S100：Background removal is carried out to the image of shooting.
The regular picture obtained to shooting, background removal processing is carried out, remove background.
S101：Binary conversion treatment and rim detection are carried out to the image after above-mentioned processing, obtain the rule in the picture
Then the corner pixels coordinate of picture, the length of side of the regular picture.
For the image obtained after upper step process, carry out binary conversion treatment, by binary conversion treatment by regular picture with
Substantially distinguish background area.Then in the image after binary conversion treatment, regular picture is extracted according to pixel pixel value
The edge in region.In the specific implementation, the pixel that pixel value is 255 can be extracted in the picture, be the edge of regular picture
Point.
From the edge pixel point extracted, the angle point of regular picture is obtained, obtains corner pixels coordinate.And according to angle point
Pixel coordinate, calculate the length of side of regular picture.
For example if this method is applied to identification user identity card, user identity card is rectangle, is accordingly extracted in the picture
Four corner pixels coordinates of certificate, and calculate the width and height of regular picture.
S11：The regular Pictures location in the picture and the deviation angle of mother matrix position are calculated according to the marginal information
Degree, described image is rotated according to the deviation angle, makes the position of regular picture described in image and the mother matrix position consistency.
In this method, for a kind of regular picture, using the regular picture shooting image of a standard as mother matrix.Specifically
, shooting regular picture has the front view picture of one side of information, as mother matrix image.Such as resident identification card, for
Identity card front and back, shoot front elevational view picture respectively and rear elevation view picture establishes mother matrix.
The corner pixels coordinate of the picture regular in the picture obtained according to upper step, calculate regular Pictures location and mother
The deviation angle of version position.For example for being shaped as the certificate of rectangle, the mother matrix position of foundation is：The side of mother matrix respectively with water
Square to or vertical direction it is parallel, refer to shown in Fig. 2, Fig. 2 is the mother matrix schematic diagram established in an embodiment.According to extraction
The corner pixels coordinate of the regular picture gone out, calculate respectively each side of regular picture respectively with horizontal direction or vertical direction
Angle, so as to obtain the deviation angle of regular Pictures location and mother matrix position.
Then according to the deviation angle being calculated, image is rotated, makes the position of regular picture and mother matrix position in image
Unanimously.
S12：According to the marginal information of the regular picture of acquisition, the rule schema is cut out in image after rotation
Piece.
According to the marginal information of the regular picture obtained in step S10, including the corner pixels coordinate of regular picture and
The regular picture length of side being calculated, regular picture is cut out in image after rotation.
Preferably, in a kind of embodiment of the present embodiment method, know in step S13 in the regular picture cut out
Before other information, in addition to：Pixel operation is zoomed in and out to the regular picture cut out according to the mother matrix, makes the rule cut out
Then picture is consistent with the Pixel Dimensions of the mother matrix.
It has been just to scheme that upper step, which cuts gained picture, but its pixel may be inconsistent with the pixel of mother matrix, such as its
Pixel is 672 × 1068, and mother matrix Pixel Dimensions are 712 × 448, it is therefore desirable to is further rotated that (rotation here is
Refer to the size according to mother matrix, decide whether to be rotated by 90 ° according to the size of the width of picture and height) and scaling pixel operation, most
Become eventually with reticle dimension and position consistency, provide and accurately enter for follow-up identification.
S13：Using the recognition rule defined based on the mother matrix, row information identification is entered in the regular picture cut out.
In this method, it is in advance based on mother matrix and defines recognition rule, establish rule base.
Specifically, included based on the recognition rule that mother matrix defines：Define field name, the starting point of field area of field area
The height of pixel coordinate, the width of field area and field area.
This step utilizes the recognition rule defined based on mother matrix, and row information identification bag is entered in the regular picture cut out
Include：According to the starting point pixel coordinate, the width of field area and the height of field area of defined field area, from rule schema
Sub-pictures are cut in piece, the identification information in the sub-pictures.
In the specific implementation, OCR (optical character recognition) character recognition method can be used in son
Text information is identified in picture.
Preferably, in order to improve the accuracy rate of information identification, in this method another embodiment, defined based on mother matrix
Recognition rule except including：Define the field name of field area, the starting point pixel coordinate of field area, field area width and
Outside the height of field area, in addition to：Define coordinate position error deviation amount.
Accordingly, letter is carried out in the regular picture cut out using the recognition rule defined based on mother matrix in this step
Breath identification comprises the following steps：
S130：According to the coordinate position error deviation amount of definition, adjust the abscissa of field area starting point, ordinate it is inclined
Shifting amount, the sub-pictures of predetermined number are cut out from regular picture；
S131：The identification information in each sub-pictures, obtains the recognition result of predetermined number；
S132：One group of most recognition result of number be will appear from as final result.
Such as when information is identified to certain field area in regular picture, according to the coordinate bit defined in rule file
Error deviation amount is put, corrects the x coordinate value and y-coordinate value of the field area starting point, increases offset or reduces offset, point
Sub-pictures are not cut out.The sub-pictures cut out and original subpicture piece will be offset together, for example there are 9 pictures altogether, entered simultaneously
Row identification.9 groups of results are finally given, the one group of most result of occurrence number of selecting most to be consistent from 9 groups of results is as finally
Recognition result.
It is difficult to it is further preferred that there may be larger or less word in picture, in this method, based on institute
Stating the recognition rule that mother matrix defines also includes：Define zoom ratio.
It is described to utilize the recognition rule defined based on the mother matrix, row information identification is entered in the regular picture cut out also
Including：Sub-pictures are zoomed in and out according to the zoom ratio of definition, identification information in the sub-pictures after scaling processing.Passing through will
The larger or less word being difficult to first carries out ratio scaling, is identified again after being changed into normal size font, so
Improve recognition accuracy.
In addition, in this method, also included based on the recognition rule that mother matrix defines：Minimum identification length, maximum identification length,
Character correction array, field contents regular expression.The value of identification is corrected, verification operation, improve final identification information
Accuracy rate.
Exemplary, the rule file defined in the present embodiment based on mother matrix is as follows：
It is further preferred that the present embodiment rule picture information identifying method also includes：When recognition failures, to cutting out
Regular picture be rotated by 90 °/180 degree/270 degree, be identified again.Fig. 3 specifically is refer to, is defined using based on mother matrix
Recognition rule, in the regular picture cut out carry out primary information identification after, judge whether to identify successfully, if so, then defeated
Go out recognition result.If it is not, then perform step S14：/ 180 degree/270 degree are rotated by 90 ° to the regular picture cut out.Then enter again
Enter step S13, be identified again.
By identification process if can not identify it is any as a result, it is possible to certificate position just place on the contrary, if by right
90 degree/180 degree/270 degree of certificate picture rotation, then the rule defined based on mother matrix is proceeded as described above to picture recognition information,
So guarantee effectively to identify regular pictorial information from image.
Accordingly, Fig. 4 is refer to, the embodiment of the present invention also provides a kind of regular picture information identification system, including：
Acquisition module 30, for obtaining the marginal information of regular picture in the image of shooting；
Rectification module 31, for calculating the regular Pictures location in the picture and mother matrix position according to the marginal information
The deviation angle put, described image is rotated according to the deviation angle, makes the position of regular picture described in image and the mother
Version position consistency；
Module 32 is cut, for the marginal information of the regular picture according to acquisition, in image after rotation
Cut out regular picture；
Identification module 33, for using the recognition rule defined based on the mother matrix, entering in the regular picture cut out
Row information identifies.
As can be seen that the present embodiment rule picture information identification system, including acquisition module, rectification module, cutting module
And identification module, the marginal information of regular picture is obtained in the image of shooting first, is calculated in the picture using marginal information
The deviation angle of regular Pictures location and mother matrix, image is rotated according to this deviation angle, makes the position of regular picture in image
With mother matrix position consistency, then according to the marginal information of regular picture, regular picture is cut out in image after rotation, enters one
Step enters row information identification using based on the rule that mother matrix defines in the regular picture cut out.
The present embodiment rule picture information identification system, by establishing mother matrix and defining recognition rule, passes through adjustment first
Make regular Pictures location and mother matrix position consistency, then utilize the regular identification information in regular picture defined based on mother matrix,
It is achieved thereby that also can effectively be identified for shooting inclined regular picture, the defects of prior art is present is overcome.
In the present embodiment, the cutting module 32 is additionally operable to, and is being cut out using based on the rule that the mother matrix defines
Regular picture in enter row information identification before, pixel operation is zoomed in and out to the regular picture cut out according to the mother matrix,
The regular picture for making to cut out is consistent with the Pixel Dimensions of the mother matrix.
The identification module 33 is additionally operable to, and when recognition failures, to regular picture rotation 180 degree/270 degree, is carried out again
Identification.
A kind of regular picture information identifying method provided by the present invention and system are described in detail above.Herein
In apply specific case to the present invention principle and embodiment be set forth, the explanation of above example is only intended to help
Assistant solves the method and its core concept of the present invention.It should be pointed out that for those skilled in the art, not
On the premise of departing from the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification is also fallen into
In the protection domain of the claims in the present invention.
Claims (10)
- A kind of 1. regular picture information identifying method, it is characterised in that including：The marginal information of regular picture is obtained in the image of shooting；The regular Pictures location in the picture and the deviation angle of mother matrix position are calculated according to the marginal information, according to institute Deviation angle rotation described image is stated, makes the position of regular picture described in image and the mother matrix position consistency；According to the marginal information of the regular picture of acquisition, regular picture is cut out in image after rotation；Using the recognition rule defined based on the mother matrix, row information identification is entered in the regular picture cut out.
- 2. regular picture information identifying method according to claim 1, it is characterised in that described to be obtained in the image of shooting Taking the marginal information of regular picture includes：Background removal is carried out to the image of shooting；Binary conversion treatment and rim detection are carried out to the image after above-mentioned processing, obtain the angle of the regular picture in the picture Point pixel coordinate, the length of side of the regular picture.
- 3. regular picture information identifying method according to claim 1, it is characterised in that be based on the mother in described utilize The recognition rule of version definition, enter in the regular picture cut out before row information identification, in addition to：Pixel operation is zoomed in and out to the regular picture cut out according to the mother matrix, makes the regular picture that cuts out and the mother The Pixel Dimensions of version are consistent.
- 4. regular picture information identifying method according to claim 1, it is characterised in that the knowledge defined based on the mother matrix Not rule includes：Define the field name of field area, the starting point pixel coordinate of field area, the width and field area of field area The height in domain；Described to utilize the recognition rule defined based on the mother matrix, row information identification is entered in the regular picture cut out to be included：According to the starting point pixel coordinate, the width of field area and the height of field area of defined field area, from rule Sub-pictures are cut in picture, the identification information in the sub-pictures.
- 5. regular picture information identifying method according to claim 4, it is characterised in that the rule defined based on the mother matrix Then also include：Define coordinate position error deviation amount；It is described to utilize the recognition rule defined based on the mother matrix, the specific bag of row information identification is entered in the regular picture cut out Include：According to the coordinate position error deviation amount of definition, the abscissa of adjustment field area starting point, the offset of ordinate, from rule The sub-pictures of predetermined number are then cut out in picture；The identification information in each sub-pictures, obtains the recognition result of predetermined number；One group of most recognition result of number be will appear from as final result.
- 6. regular picture information identifying method according to claim 5, it is characterised in that the knowledge defined based on the mother matrix Rule does not include also：Define zoom ratio；It is described to utilize the recognition rule defined based on the mother matrix, row information identification is entered in the regular picture cut out and is also wrapped Include：Sub-pictures are zoomed in and out according to the zoom ratio of definition, identification information in the sub-pictures after scaling processing.
- 7. the regular picture information identifying method according to claim any one of 4-6, it is characterised in that also include：Work as knowledge Not Shi Bai when ,/180 degree/270 degree are rotated by 90 ° to the regular picture cut out, are identified again.
- A kind of 8. regular picture information identification system, it is characterised in that including：Acquisition module, for obtaining the marginal information of regular picture in the image of shooting；Rectification module, for calculating the inclined of the regular Pictures location and mother matrix position in the picture according to the marginal information Angle is moved, described image is rotated according to the deviation angle, makes the position of regular picture described in image and the mother matrix position Unanimously；Module is cut, for the marginal information of the regular picture according to acquisition, is cut out in image after rotation Regular picture；Identification module, for using the recognition rule defined based on the mother matrix, entering row information in the regular picture cut out Identification.
- 9. regular picture information identification system according to claim 8, it is characterised in that the cutting module is additionally operable to, Before row information identification is entered in the regular picture cut out using the rule defined based on the mother matrix, according to the mother matrix Pixel operation is zoomed in and out to the regular picture cut out, makes the Pixel Dimensions one of the regular picture and mother matrix cut out Cause.
- 10. regular picture information identification system according to claim 8, it is characterised in that the identification module is additionally operable to, When recognition failures, to regular picture rotation 180 degree/270 degree, it is identified again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560794.0A CN107392203A (en) | 2017-07-11 | 2017-07-11 | Regular picture information identifying method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560794.0A CN107392203A (en) | 2017-07-11 | 2017-07-11 | Regular picture information identifying method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107392203A true CN107392203A (en) | 2017-11-24 |
Family
ID=60340366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710560794.0A Pending CN107392203A (en) | 2017-07-11 | 2017-07-11 | Regular picture information identifying method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107392203A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109376735A (en) * | 2018-08-31 | 2019-02-22 | 百度在线网络技术（北京）有限公司 | Identity information extracting method, device, electronic equipment and storage medium |
| CN109492637A (en) * | 2018-11-06 | 2019-03-19 | 西安艾润物联网技术服务有限责任公司 | Method of adjustment, identifier terminal and the readable storage medium storing program for executing of cog region |
| CN110415177A (en) * | 2019-07-26 | 2019-11-05 | 四川长虹电器股份有限公司 | A kind of image rotation sanction drawing method based on Java |
| CN110738602A (en) * | 2019-09-12 | 2020-01-31 | 北京三快在线科技有限公司 | Image processing method and device, electronic equipment and readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655981A (en) * | 2009-09-09 | 2010-02-24 | 谭洪舟 | Method for detecting and adjusting inversion of certificate image |
| US8345993B1 (en) * | 2007-10-24 | 2013-01-01 | Glenn E Weeks | Electronic coding system for security of identification |
| CN103488984A (en) * | 2013-10-11 | 2014-01-01 | 从兴技术有限公司 | Method and device for identifying second-generation identity cards based on intelligent mobile equipment |
| CN103729645A (en) * | 2013-12-20 | 2014-04-16 | 湖北微模式科技发展有限公司 | Second-generation ID card area positioning and extraction method and device based on monocular camera |
| CN106886774A (en) * | 2015-12-16 | 2017-06-23 | 腾讯科技（深圳）有限公司 | The method and apparatus for recognizing ID card information |
-
2017
- 2017-07-11 CN CN201710560794.0A patent/CN107392203A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8345993B1 (en) * | 2007-10-24 | 2013-01-01 | Glenn E Weeks | Electronic coding system for security of identification |
| CN101655981A (en) * | 2009-09-09 | 2010-02-24 | 谭洪舟 | Method for detecting and adjusting inversion of certificate image |
| CN103488984A (en) * | 2013-10-11 | 2014-01-01 | 从兴技术有限公司 | Method and device for identifying second-generation identity cards based on intelligent mobile equipment |
| CN103729645A (en) * | 2013-12-20 | 2014-04-16 | 湖北微模式科技发展有限公司 | Second-generation ID card area positioning and extraction method and device based on monocular camera |
| CN106886774A (en) * | 2015-12-16 | 2017-06-23 | 腾讯科技（深圳）有限公司 | The method and apparatus for recognizing ID card information |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109376735A (en) * | 2018-08-31 | 2019-02-22 | 百度在线网络技术（北京）有限公司 | Identity information extracting method, device, electronic equipment and storage medium |
| CN109492637A (en) * | 2018-11-06 | 2019-03-19 | 西安艾润物联网技术服务有限责任公司 | Method of adjustment, identifier terminal and the readable storage medium storing program for executing of cog region |
| CN110415177A (en) * | 2019-07-26 | 2019-11-05 | 四川长虹电器股份有限公司 | A kind of image rotation sanction drawing method based on Java |
| CN110738602A (en) * | 2019-09-12 | 2020-01-31 | 北京三快在线科技有限公司 | Image processing method and device, electronic equipment and readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019169532A1 (en) | License plate recognition method and cloud system | |
| CN107392203A (en) | Regular picture information identifying method and system | |
| US9519838B2 (en) | Character recognition method | |
| US8254644B2 (en) | Method, apparatus, and program for detecting facial characteristic points | |
| CN111680688A (en) | Character recognition method and device, electronic equipment and storage medium | |
| US20220309813A1 (en) | Machine learning for data extraction | |
| WO2019174133A1 (en) | Electronic device, physical seal identification method, and computer readable storage medium | |
| CN107506693A (en) | Distort face image correcting method, device, computer equipment and storage medium | |
| CN111553251B (en) | Certificate four-corner defect detection method, device, equipment and storage medium | |
| CN112926469B (en) | Certificate identification method based on deep learning OCR and layout structure | |
| CN108734235A (en) | A kind of personal identification method and system for electronic prescription | |
| CN110717492B (en) | Method for correcting direction of character string in drawing based on joint features | |
| CN106778737A (en) | A kind of car plate antidote, device and a kind of video acquisition device | |
| WO2013040933A1 (en) | Identification method for valuable file and identification device thereof | |
| CN111860527A (en) | Image correction method, image correction device, computer device, and storage medium | |
| CN109598185B (en) | Image recognition translation method, device and equipment and readable storage medium | |
| WO2018205789A1 (en) | Method and apparatus for recognizing card placement direction, and image processing apparatus | |
| US9741133B2 (en) | Identifying shapes in an image by comparing Bézier curves | |
| CN107590495A (en) | Answer sheet picture method for correcting error, device, readable storage medium storing program for executing and electronic equipment | |
| CN114694161A (en) | Text recognition method and equipment for specific format certificate and storage medium | |
| CN111611994A (en) | Image extraction method, image extraction device, electronic equipment and storage medium | |
| CN113221897B (en) | Image correction method, image text recognition method, identity verification method and device | |
| CN111325106B (en) | Method and device for generating training data | |
| US11393248B2 (en) | Data detection method and device, computer equipment and storage medium | |
| CN113627442A (en) | Medical information input method, device, equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |