CN109145891A - Client and its system for identifying the method for identity card, identifying identity card - Google Patents
Client and its system for identifying the method for identity card, identifying identity card Download PDFInfo
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- CN109145891A CN109145891A CN201810681721.1A CN201810681721A CN109145891A CN 109145891 A CN109145891 A CN 109145891A CN 201810681721 A CN201810681721 A CN 201810681721A CN 109145891 A CN109145891 A CN 109145891A
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- 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
- G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
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- 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
- G06V30/14—Image acquisition
- G06V30/146—Aligning or centring of the image pick-up or image-field
- G06V30/1475—Inclination or skew detection or correction of characters or of image to be recognised
- G06V30/1478—Inclination or skew detection or correction of characters or of image to be recognised of characters or characters lines
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Abstract
The invention discloses a kind of client and its systems of the method for identification identity card, identification identity card.The method that client identifies identity card includes: real-time reception ID Card Image；First area is identified according to the first default set；First default set is stored in client, and includes the picture for characterizing every ID card No., and first area is the region of the predeterminated position positioned at ID Card Image；If successfully identifying ID card No., the region to be identified in ID Card Image is determined according to predeterminated position；Information relevant to region to be identified is sent to server-side, server-side identifies the content in region to be identified for information based on the received.Compared with prior art, the present invention identifies ID card No. using client, and determines region to be identified according to the position of ID card No. after successfully identifying, and identify the content in region to be identified using server-side, the efficiency and accuracy rate of identification are improved, the user experience is improved.
Description
Technical field
The present invention relates to computer field, in particular to a kind of client and its method for identifying identity card further relate to one
The system of kind identification identity card.
Background technique
With the fast development of computer and internet, more and more users select shopping on the web, such as purchase trip
Row product, train ticket, plane ticket etc..In the prior art, user needs that identity information is filled in manually during placing an order, such as
, there is the disadvantages of time-consuming, error rate is high in name, ID card No. etc..
In order to solve the above problem in the prior art, there is a kind of method of automatic identification identity card at present, it is specifically, first
ID Card Image is first received by client, such as ID Card Image is uploaded to client by user, or using client to body
Part card is shot to obtain ID Card Image；Secondly ID Card Image is sent to server-side by client；Finally by server-side pair
Content in ID Card Image is identified.Once identity card is not ajusted, lead to information in identity card obliquely either
It is not presented in ID Card Image completely, the efficiency and accuracy rate of server-side identification will decline, or even being also possible to can not
Identification.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome, there are recognition efficiencies for automatic identification identity card in the prior art
With accuracy rate is low or even unrecognized defect, a kind of client is provided and its identifies the method and a kind of knowledge of identity card
The system of other identity card.
The present invention is to solve above-mentioned technical problem by following technical proposals:
The first aspect of the present invention provides a kind of method of client identification identity card, comprising the following steps:
Real-time reception ID Card Image；Wherein, the ID Card Image is the image shot to identity card；
First area is identified according to the first default set；Wherein, the described first default set is stored in client
In, and include the picture for characterizing every ID card No., the first area is positioned at the default of the ID Card Image
The region of position；
If successfully identifying ID card No., determined according to the predeterminated position to be identified in the ID Card Image
Region；
Information relevant to the region to be identified is sent to server-side, wherein the server-side is used for according to reception
Information identify the content in the region to be identified.
Optionally, described the step of being identified according to the first default set to first area, specifically includes:
Binary conversion treatment is carried out to first area；
The first subregion of preset quantity is intercepted from the first area according to processing result, and respectively by each first
Subregion is matched with the picture in the first default set；
If all equal successful match of first subregion, successfully identify ID card No..
Optionally, information relevant to the region to be identified includes the ID Card Image and the region to be identified
Position in the ID Card Image.
Optionally, described to specifically include information relevant to the region to be identified the step of being sent to server-side:
Extract the characteristics of image in the region to be identified；
If described image feature meets preset condition, information relevant to the region to be identified is sent to service
End.
Optionally, first area is carried out according to the first default set with described the reception ID Card Image the step of
It is further comprising the steps of between the step of identification；
Slant correction is carried out to the ID Card Image.
Optionally, the region to be identified is any one in following: name region, regional national, date of birth area
Domain, address region.
The second aspect of the present invention provides a kind of client, comprising:
Memory, for storing computer program；
And processor, for executing the computer program, to realize any method as described above.
The third aspect of the present invention provides a kind of system for identifying identity card, including server-side and client as described above
End.
The fourth aspect of the present invention provides the system of another identification identity card, including client and server-side；
The client includes:
Receiving unit is used for real-time reception ID Card Image；Wherein, the ID Card Image is to shoot to identity card
Image；
First recognition unit, for being identified according to the first default set to first area；Wherein, described first is default
Set is stored in client, and includes the picture for characterizing every ID card No., and the first area is positioned at described
The region of the predeterminated position of ID Card Image；
Determination unit, for determining the identity card according to the predeterminated position after successfully identifying ID card No.
Region to be identified in image；
Extraction unit, for extracting the characteristics of image in the region to be identified；
And transmission unit, for will be with the region to be identified in the case where described image feature meets preset condition
Relevant information is sent to the server-side；
The server-side identifies the content in the region to be identified for information based on the received.
Optionally, the server-side includes:
Processing unit carries out binary conversion treatment to the region to be identified for information based on the received；
Interception unit, for intercepting at least one from the region to be identified according to the processing result of the processing unit
Second subregion；
And second recognition unit, for the picture in each second subregion and the second default set to be carried out respectively
Match, and successfully identifies the content in the region to be identified in the case where all second subregions equal successful match；
Wherein, the described second default set is stored in the server-side, and includes the picture for characterizing several Chinese characters.
In the basis for meeting common sense in the field, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that: compared with prior art, identification card number is identified by client in the present invention
Code successfully identifies ID card No. later just according to pre- specifically using the be stored in client first default set identification
If position, i.e. position of the ID card No. in ID Card Image determines region to be identified, finally will be related to region to be identified
Information be sent to server-side, the content in region to be identified is identified by server-side.The present invention identifies identity using client
Demonstrate,prove number, and accurate location after successfully identifying ID card No. according to ID card No. in ID Card Image determine to
Identification region improves the accuracy in region to be identified, finally identifies the content in region to be identified, Jin Erti using server-side
The high efficiency and accuracy rate of identification, the user experience is improved.
Detailed description of the invention
Fig. 1 is the method flow diagram that a kind of client provided in an embodiment of the present invention identifies identity card.
Fig. 2 is a kind of structural block diagram of system for identifying identity card provided in an embodiment of the present invention.
Fig. 3 is the structural block diagram of the system of another identification identity card provided in an embodiment of the present invention.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
In the present invention, by the ID card No. on client identification identity card, and determines region to be identified, known by server-side
Content in region not to be identified.Such as region to be identified, when being name region, server-side identifies specific name.
The present embodiment provides a kind of methods of client identification identity card, as shown in Figure 1, comprising the following steps:
Step 101, real-time reception ID Card Image.
Wherein, the ID Card Image is the image shot to identity card.
In the present embodiment, the ID Card Image of real-time reception is the image that client shoots identity card.In practical application
In, identity card is put into the interface of target area by client output guidance user, and is shot in real time to it.
Since user puts identity card with stronger randomness, the image of client shooting is inevitably produced
Raw inclination.In optionally a kind of embodiment, in order to improve the accuracy rate of identification identity card, between step 101 and step 102
Further include: slant correction is carried out to the ID Card Image.
Step 102 identifies first area according to the first default set.
Wherein, the described first default set is stored in client, and includes the figure for characterizing every ID card No.
Piece, the first area are the region of the predeterminated position positioned at the ID Card Image.
In the first default set, the picture for characterizing an ID card No. can be one, or multiple.
In practical applications, in order to improve discrimination, the picture for being generally used for one ID card No. of characterization is multiple.It lifts a specific
Example can be 258, and the content in this 258 picture is digital " 3 ", but every picture and not exactly the same, example
Such as, digital " 3 " have different exposure, contrast and/or the brightness difference of gradient or every picture etc..
It should be noted that the predeterminated position of above-mentioned ID Card Image is opposite with position of the ID card No. on identity card
It answers, generally the lower right corner.
In a kind of optional embodiment, step 102 specifically includes the following steps:
Step 1021 carries out binary conversion treatment to first area.
Step 1022 intercepts the first subregion of preset quantity according to processing result from the first area, and respectively
Each first subregion is matched with the picture in the first default set.
Wherein, if all equal successful match of first subregion, successfully identify otherwise ID card No. can not identify
ID card No..
In a kind of optional embodiment, preset quantity 18, the Arabic number that the content in the first subregion is 0-9
Word or letter X.If 18 equal successful match of the first subregion, successfully identify 18 ID card No., once there is 1
The non-successful match of one subregion, then can not identify ID card No..
If step 103 successfully identifies ID card No., determined in the ID Card Image according to the predeterminated position
Region to be identified.In the present embodiment, region to be identified is determined according to accurate location of the ID card No. in ID Card Image,
The region to be identified accuracy with higher finally determined in this way.
In alternative embodiments, above-mentioned region to be identified is name region, regional national, date of birth region or lives
Location region.
In optionally a kind of embodiment, in order to further increase the accuracy in region to be identified, in conjunction with predeterminated position
And position of the face in ID Card Image determines region to be identified.Wherein it is possible to using face position is determined in the prior art
The method set determines position of the face in ID Card Image.
It should be noted that the method for determining region to be identified in step 103 is the prior art, such as it can use recurrence
Function determines, can also be projected using the grey level of X-direction to determine.
Information relevant to the region to be identified is sent to server-side by step 104.
Wherein, the server-side identifies the content in the region to be identified for information based on the received.
The content in the region to be identified that client determines is there may be blocking or seriously expose, such as name region
The name in domain seriously exposes, and can not identify at all.In optionally a kind of embodiment, client treats the image of identification region
Feature is analyzed, and if there is above-mentioned phenomenon or other the phenomenon that leading to not identification content, is not then sent to server-side
Any information avoids the resource of waste server-side.In the present embodiment, step 104 specifically includes the following steps:
Step 1041, the characteristics of image for extracting the region to be identified.
If step 1042, described image feature meet preset condition, information relevant to the region to be identified is sent out
It send to server-side.
In step 1042, if described image feature does not meet preset condition, any information is not sent to server-side.This
When, client gives up currently processed ID Card Image, starts to execute step 102 to received next ID Card Image.
Wherein, preset condition can be that the recognition rate for the content for meeting region to be identified reaches any of some threshold value
Part.In addition, preset condition also can be different if the method for extracting the characteristics of image in region to be identified is different.
In optionally a kind of embodiment, the characteristics of image in region to be identified is extracted using histogram equalization method.Histogram
Figure equalization is the method being adjusted using image histogram to contrast in field of image processing, and this method is commonly used to
Increase the global contrast of many images, especially when the contrast of the useful data of image is fairly close.Pass through this
Kind method, brightness can be preferably distributed on the histogram.The contrast that may be used for enhancing part in this way is whole without influencing
The contrast of body, histogram equalization method realize this function by effectively extending common brightness.This method is for back
Scape and prospect is all too bright or too dark image is highly useful, can especially bring better skeletal structure in x-ray image aobvious
Show and over-exposed or under-exposed photo in better details.One main advantage of this method is that it is a phase
It when intuitive technology and is invertible operation, if it is known that balanced function, then original histogram can be restored, and
Calculation amount is also little.
In a kind of optional embodiment, information relevant to the region to be identified include the ID Card Image with
And position of the region to be identified in the ID Card Image.In the present embodiment, server-side according to ID Card Image and
Position of the region to be identified on ID Card Image identifies the content in region to be identified.
In optional another embodiment, the relevant information in the region to be identified includes the region to be identified.
In the present embodiment, region to be identified is directly sent to server-side by client, and server-side treats the progress of the content in identification region
Identification.
The present embodiment provides a kind of clients, comprising:
Memory, for storing computer program；
And processor, for executing the computer program, to realize the method as described in above-described embodiment.
The present embodiment provides a kind of systems for identifying identity card, the client including server-side and as described in above-described embodiment
End.
The present embodiment also provides a kind of system 10 for identifying identity card, as shown in Fig. 2, including client 20 and server-side
30。
Client 20 includes:
Receiving unit 21 is used for real-time reception ID Card Image；Wherein, the ID Card Image is to clap identity card
The image taken the photograph；
First recognition unit 22, for being identified according to the first default set to first area；Wherein, described first is pre-
If set is stored in client, and includes the picture for characterizing every ID card No., the first area is positioned at institute
State the region of the predeterminated position of ID Card Image；
Determination unit 23, for determining the identity according to the predeterminated position after successfully identifying ID card No.
Demonstrate,prove the region to be identified in image；
Extraction unit 24, for extracting the characteristics of image in the region to be identified；
And transmission unit 25, for will be with the area to be identified in the case where described image feature meets preset condition
The relevant information in domain is sent to the server-side；
Server-side 30 identifies the content in the region to be identified for information based on the received.
In optionally a kind of embodiment, as shown in figure 3, server-side 30 includes:
Processing unit 31 carries out binary conversion treatment to the region to be identified for information based on the received；
Interception unit 32, for intercepting at least one from the region to be identified according to the processing result of processing unit 31
Second subregion；
And second recognition unit 33, for the picture in each second subregion and the second default set to be carried out respectively
It matches, and successfully identifies the content in the region to be identified in the case where all second subregions equal successful match；
Wherein, the described second default set is stored in server-side 30, and includes the picture for characterizing several Chinese characters.
In alternative embodiments, above-mentioned region to be identified is name region, regional national or address region.
In optional another embodiment, above-mentioned region to be identified is date of birth region, and second presets in set
Include the picture for characterizing number.
In the present embodiment, ID card No. is identified using client, and according to body after successfully identifying ID card No.
Accurate location of part card number in ID Card Image determines region to be identified, improves the accuracy in region to be identified, finally
The content in region to be identified is identified using server-side, and then improves the efficiency and accuracy rate of identification, and the user experience is improved.
In addition, client, which treats identification region, carries out characteristics of image judgement, the region to be identified for not meeting preset condition is screened out, into one
Step improves the accuracy rate of server-side identification identity card.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that these
It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
Under the premise of from the principle and substance of the present invention, many changes and modifications may be made, but these are changed
Protection scope of the present invention is each fallen with modification.
Claims (10)
1. a kind of method of client identification identity card, which comprises the following steps:
Real-time reception ID Card Image；Wherein, the ID Card Image is the image shot to identity card；
First area is identified according to the first default set；Wherein, the described first default set is stored in client, and
Comprising the picture for characterizing every ID card No., the first area is the predeterminated position positioned at the ID Card Image
Region；
If successfully identifying ID card No., the area to be identified in the ID Card Image is determined according to the predeterminated position
Domain；
Information relevant to the region to be identified is sent to server-side, wherein the server-side for believing based on the received
Breath identifies the content in the region to be identified.
2. the method as described in claim 1, which is characterized in that described to be identified according to the first default set to first area
The step of specifically include:
Binary conversion treatment is carried out to first area；
The first subregion of preset quantity is intercepted from the first area according to processing result, and respectively by each first sub-district
Domain is matched with the picture in the first default set；
Wherein, if all equal successful match of first subregion, successfully identify ID card No..
3. the method as described in claim 1, which is characterized in that information relevant to the region to be identified includes the identity
Demonstrate,prove the position of image and the region to be identified in the ID Card Image.
4. the method as described in claim 1, which is characterized in that described to be sent to information relevant to the region to be identified
The step of server-side, specifically includes:
Extract the characteristics of image in the region to be identified；
If described image feature meets preset condition, information relevant to the region to be identified is sent to server-side.
5. the method as described in claim 1, which is characterized in that with described according to the the reception ID Card Image the step of
It is further comprising the steps of between the step of one default set identifies first area；
Slant correction is carried out to the ID Card Image.
6. method according to any one of claims 1 to 5, which is characterized in that the region to be identified is any in following
It is a kind of: name region, regional national, date of birth region, address region.
7. a kind of client characterized by comprising
Memory, for storing computer program；
And processor, for executing the computer program, to realize as the method according to claim 1 to 6.
8. a kind of system for identifying identity card, which is characterized in that including server-side and client as claimed in claim 7.
9. a kind of system for identifying identity card, which is characterized in that including client and server-side；
The client includes:
Receiving unit is used for real-time reception ID Card Image；Wherein, the ID Card Image is the figure shot to identity card
Picture；
First recognition unit, for being identified according to the first default set to first area；Wherein, the described first default set
It is stored in client, and includes the picture for characterizing every ID card No., the first area is positioned at the identity
Demonstrate,prove the region of the predeterminated position of image；
Determination unit, for determining the ID Card Image according to the predeterminated position after successfully identifying ID card No.
In region to be identified；
Extraction unit, for extracting the characteristics of image in the region to be identified；
And transmission unit, for will be related to the region to be identified in the case where described image feature meets preset condition
Information be sent to the server-side；
The server-side identifies the content in the region to be identified for information based on the received.
10. system as claimed in claim 9, which is characterized in that the server-side includes:
Processing unit carries out binary conversion treatment to the region to be identified for information based on the received；
Interception unit, for the processing result according to the processing unit intercepted from the region to be identified at least one second
Subregion；
And second recognition unit, for each second subregion to be matched with the picture in the second default set respectively,
And the content in the region to be identified is successfully identified in the case where all second subregions equal successful match；
Wherein, the described second default set is stored in the server-side, and includes the picture for characterizing several Chinese characters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810681721.1A CN109145891B (en) | 2018-06-27 | 2018-06-27 | Client, method for identifying identity card by client and system for identifying identity card |
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| CN201810681721.1A CN109145891B (en) | 2018-06-27 | 2018-06-27 | Client, method for identifying identity card by client and system for identifying identity card |
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| CN109145891B CN109145891B (en) | 2022-08-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111898602A (en) * | 2020-08-10 | 2020-11-06 | 赞同科技股份有限公司 | Certificate number area identification method, device and equipment in image |
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