CN107633201A - A kind of answering card intelligent identification Method and system - Google Patents
A kind of answering card intelligent identification Method and system Download PDFInfo
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- CN107633201A CN107633201A CN201710668158.XA CN201710668158A CN107633201A CN 107633201 A CN107633201 A CN 107633201A CN 201710668158 A CN201710668158 A CN 201710668158A CN 107633201 A CN107633201 A CN 107633201A
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Abstract
The invention provides a kind of answering card intelligent identification Method and system, method to include：Client reads the topic card mark ID number carried in Quick Response Code, in the case of topic card mark ID number topic snap gauge panel sign ID number corresponding with current topic strap form is unequal, topic card mark ID number is carried in strap form data acquisition request is inscribed, sends the request；Strap form is inscribed in server end lookup, and the topic strap form is sent into client；Strap form is inscribed in client loading, carries out image recognition to full-filling region in topic card picture and the full-filling information of all full-filling points of card picture is inscribed in acquisition.The system includes client and server end, and client includes：Scan module, read module, processing module, identification module, server end include searching modul.The present invention solves the working strength for for the problem that wasted time and energy caused by the answering card progress manual sort of the big quantity of large-scale examination or artificial screening, reducing staff, improves the accuracy rate of answering card identification.
Description
Technical field
The present invention relates to answering card intelligent identification technology field, and in particular to a kind of answering card intelligent identification Method and is
System.
Background technology
At present, the various big-and-middle-sized modes passed the examination using computer auxiliary scoring, can be completed in answering card
The identification of the number of examining and objective item answer, so as to significantly reduce the working strength and improve efficiency of going over examination papers that teacher gos over examination papers, therefore
Answering card and the topic card identifying system to match with answering card are applied to various big-and-middle-sized examinations, daily test relatively broadly
With exercise etc. in education activities.
Existing topic card identifying system is based on topic strap form and multiple answering cards is identified, wherein the topic card class of answering card
Type must be consistent with the type of current topic strap form in topic card identifying system.In order to which answering card can be accurate by topic card identifying system
Ground identifies that answering card is before scanned and identification, and staff can carry out strict classification according to paper type to answer card, with true
The type for protecting to be scanned and identification answering card and the current topic strap form in topic card identifying system belongs to same paper type.It is real
In trampling, if multiple to be scanned and identification answering cards are not classified with paper type, or same paper type is more
When being mixed into the answering card of other paper types in answering card, then one of which paper type can only be accurately identified by occurring
Answering card, and the problem of the answering card of other paper types can not be then identified.Therefore, staff is needed according to paper type
Classification is re-started to answering card or filters out the answering card of other paper types, and checks each answering card again.It is right
For large-scale examination, answering card quantity is big, thus manual sort or artificial screening are wasted time and energy, and this undoubtedly adds work people
The working strength of member.
The content of the invention
, can be to different paper types it is an object of the invention to provide a kind of answering card intelligent identification Method and system
Answering card is scanned and identified solve multiple to be scanned and identification answering cards and do not classified with paper type,
Or it can only be accurately identified caused by when in multiple answering cards of same paper type being mixed into the answering card of other paper types
The answering card of one of which paper type, and the technical problem that the answering card of other paper types can not be then identified；Solve simultaneously
Determine for the problem that wasted time and energy caused by the answering card progress manual sort of the big quantity of large-scale examination or artificial screening, reduced
The working strength of staff, improve the accuracy rate of answering card identification.
Technical scheme provided by the invention is as follows：
A kind of answering card intelligent identification Method, method include：
Client receives the topic card picture with Quick Response Code, and reads the topic card mark ID number carried in Quick Response Code, in the topic card
In the case of mark ID number topic snap gauge panel sign ID number corresponding with current topic strap form is unequal, topic card mark ID number is taken
Band sends request in the topic strap form data acquisition request for needing to send；
Received server-side inscribes strap form data acquisition request, and topic is blocked into mark ID number as index value in topic strap form information
Strap form is inscribed in lookup in storehouse, and the topic strap form is sent into client；
Client receives and loading topic strap form, carries out image recognition to full-filling region in topic card picture and card picture is inscribed in acquisition
The full-filling information of all full-filling points.
Further, after client reads the topic card mark ID number carried in Quick Response Code, in addition to：
In the case where the topic card identifies ID number and currently topic snap gauge panel sign ID number is equal corresponding to topic strap form, client adds
The current topic strap form of load, image recognition and the full-filling of all full-filling points of acquisition topic card picture are carried out to topic card picture full-filling region
Information.
Further, image recognition is carried out to full-filling region in topic card picture and acquisition topic all full-filling points of card picture is filled out
Information is applied, its mode includes：
The dope vector of full-filling point, determines full-filling point position in full-filling region in the full-filling region of reading topic strap form record；
The gray value and calculating full-filling point to each full-filling point position, detected in each full-filling point position is positioned respectively
Interior full-filling area；
According to the gray value and full-filling area of full-filling point, whether each full-filling point is judged by full-filling, and form full-filling result.
Further, before client receives the topic card picture with Quick Response Code, in addition to：
Client receives the blank topic card picture with Quick Response Code and reads the topic card mark ID number carried in Quick Response Code；
Full-filling region in card picture is inscribed to blank to carry out image recognition and obtain all full-filling point feature information in full-filling region；
By all full-filling point feature information generation one topic strap form, and will topic card mark ID number as inscribe snap gauge panel sign ID number simultaneously
Index relative is established with topic strap form；
Topic strap form is sent to server.
Further, all full-filling points that card picture full-filling region carries out image recognition and card picture is inscribed in acquisition are inscribed to blank
Characteristic information, its mode includes：
The grid lines in full-filling region in card picture is inscribed by the method removal corroded and expanded, retains the matrix information of full-filling point；
After carrying out expansion process to full-filling region in topic card picture again, full-filling point is projected with vertical direction from horizontal direction,
Obtain the coordinate information of full-filling point；The coordinate information of full-filling point is packaged into the dope vector of full-filling point.
A kind of answering card intelligent identifying system, include client and the server of data communication connection is kept with client
End,
Client includes：
Scan module, for the topic card picture with Quick Response Code to be scanned and generated to answer card；
The read module of data communication connection is kept with scan module, for receiving the topic card picture with Quick Response Code, and is read
The topic card mark ID number carried in Quick Response Code；
The processing module of data communication connection is kept with read module, for True-False card mark ID number and current topic strap form pair
Whether the topic snap gauge panel sign ID number answered is consistent, is judging topic card mark ID number and is currently inscribing that strap form is corresponding inscribes strap form
In the case of mark ID number is unequal, topic card mark ID number is carried to the topic strap form data acquisition request sent in needs
In, send request；
The identification module of data communication connection is kept with processing module, for receiving and loading topic strap form, and to topic card figure
Full-filling region carries out image recognition in piece, and the full-filling information of all full-filling points of card picture is inscribed in acquisition；
Server end includes：
Searching modul, strap form data acquisition request is inscribed for reception, and topic is blocked into mark ID number as index value in topic snap gauge
Strap form is inscribed in lookup in plate information bank, and the topic strap form found is sent into client.
Further, topic card mark ID number topic snap gauge panel sign corresponding with current topic strap form is judged in processing module
In the case that ID number is equal,
Identification module is additionally operable to, and loads current topic strap form, and image recognition is carried out to topic card picture full-filling region, acquisition topic card
The full-filling information of all full-filling points of picture.
Further, identification module includes：
Location confirmation unit, for the dope vector of full-filling point in the full-filling region of reading topic strap form record, determine full-filling area
Full-filling point position in domain；Wherein, area of the dope vector of full-filling point included by including full-filling point upper left corner dope vector, full-filling point
The length and width information in domain.
Detection unit, for positioning the ash to each full-filling point position, detected in each full-filling point position respectively
Full-filling area in angle value and calculating full-filling point；
As a result generation unit, for the gray value and full-filling area according to full-filling point, judge whether each full-filling point is filled out
Apply, and form full-filling result.
Further, before the topic card picture with Quick Response Code is received,
Read module is additionally operable to, and is received the topic card picture of the blank with Quick Response Code and is read the topic card mark ID carried in Quick Response Code
Number；
Identification module is additionally operable to, and full-filling region in card picture is inscribed to blank and carries out image recognition and obtains all in full-filling region
Full-filling point feature information；
Processing module is additionally operable to, and by the topic strap form of all full-filling point feature information generation one, and topic is blocked into mark ID number as topic
Snap gauge panel sign ID number simultaneously establishes index relative with topic strap form, and topic strap form is sent into server.
Further, identification module also includes：
Grid lines removal unit, the grid lines in full-filling region in card picture is inscribed for the method removal by corroding and expanding, is protected
Stay the matrix information of full-filling point；
Full-filling point coordinates information acquisition unit, after by carrying out expansion process to full-filling region in topic card picture again, from
Horizontally and vertically full-filling point is projected, obtains the coordinate information of full-filling point；
Encapsulation unit, for the coordinate information of full-filling point to be packaged into the dope vector of full-filling point.
The present invention is distinguished by client to the picture with Quick Response Code of reception, obtains topic entrained in Quick Response Code
Card mark ID number, and the topic strap form for carrying topic card mark ID number is obtained into request and is sent to server end；Server end leads to
Cross and the topic strap form data corresponding with topic card mark ID number searched in strap form database is inscribed and send it to client,
Client loading is inscribed strap form data and topic card picture is identified using picture recognition technology, filling out in acquisition topic card picture
Apply all full-filling point information in region.Due to being both provided with a kind of Quick Response Code of paper type on every answering card, and Quick Response Code
Entrained topic card mark ID number is corresponding with inscribing the topic strap form data in strap form database, therefore can complete to all
Answering card identification.
Beneficial effect caused by the present invention：
1. the present invention can be scanned and identify to the answering card of different paper types, and the accuracy rate of answering card identification is high；
Do not classified 2. the present invention solves multiple to be scanned and identification answering cards with paper type, or same examination
One of which examination can only be accurately identified by rolling up caused by when being mixed into the answering card of other paper types in multiple answering cards of type
The answering card of volume type, and the technical problem that the answering card of other paper types can not be then identified；
3. the present invention is solved for expense caused by the answering card progress manual sort of the big quantity of large-scale examination or artificial screening
When laborious problem, reduce the working strength of staff, improve the accuracy rate of answering card identification；
4. the present invention solves the technical problem that existing answering card intelligent identifying system does not support mixed sweep.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of blank topic card identification of the present invention；
Fig. 2 is the flow chart that blank topic card picture full-filling region of the present invention carries out image recognition；
Fig. 3 is the flow chart of topic card identification of the present invention；
Fig. 4 is the flow chart that full-filling region carries out image recognition in topic card picture of the present invention；
Fig. 5 is the structural representation of answering card intelligent identifying system of the present invention；
Fig. 6 is the flow chart of answering card intelligent identification Method in embodiment of the present invention.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
A kind of answering card intelligent identification Method, including two identification process, i.e. blank inscribe card identification process and are loaded with full-filling
The topic card identification process of information.
As shown in Figure 1, blank topic card identification process：
S101. client receives the blank topic card picture with Quick Response Code and reads the topic card mark ID number carried in Quick Response Code；
S102. full-filling region in card picture is inscribed to blank to carry out image recognition and obtain all full-filling point features in full-filling region
Information；
S103. by the topic strap form of all full-filling point feature information generation one, and topic is blocked into mark ID number as topic snap gauge panel sign
ID number simultaneously establishes index relative with topic strap form, and topic strap form is sent into server.
In step S102, all full-fillings that card picture full-filling region carries out image recognition and card picture is inscribed in acquisition are inscribed to blank
The characteristic information of point, as shown in Figure 2, its implementation includes：
S201. the grid lines in full-filling region in card picture is inscribed by the method removal corroded and expanded, retains the matrix of full-filling point
Information；
S202. after carrying out expansion process to full-filling region in topic card picture again, from horizontal direction with vertical direction to full-filling point
Projected, obtain the coordinate information of full-filling point；
S203., the coordinate information of full-filling point is packaged into the dope vector of full-filling point.
As shown in Figure 3, card identification process is inscribed：
S301. client receives the topic card picture with Quick Response Code, and reads the topic card mark ID number carried in Quick Response Code；
S302. client judge topic card mark ID number it is corresponding with current topic strap form inscribe snap gauge panel sign ID number whether phase
Deng；
S303. in the case where the topic card identifies ID number and currently topic snap gauge panel sign ID number is equal corresponding to topic strap form, visitor
The current topic strap form of family end loading, image recognition is carried out to topic card picture full-filling region and all full-filling points of card picture are inscribed in acquisition
Full-filling information；
S304. in the case of topic card mark ID number topic snap gauge panel sign ID number corresponding with current topic strap form is unequal,
Topic card mark ID number is carried in the topic strap form data acquisition request for needing to send, sends request；
S305. received server-side topic strap form data acquisition request, and topic is blocked into mark ID number as index value in topic snap gauge
Strap form is inscribed in lookup in plate information bank, and the topic strap form is sent into client；
S306. client is received and strap form is inscribed in loading, carries out image recognition to full-filling region in topic card picture and acquisition is inscribed
The full-filling information of all full-filling points of card picture.
In step S303 and step S306, image recognition is carried out to full-filling region in topic card picture and card picture institute is inscribed in acquisition
There is the full-filling information of full-filling point, as shown in Figure 4, its implementation specifically includes：
S401. the dope vector of full-filling point, determines full-filling point position in full-filling region in the full-filling region that reading topic strap form records
Put；
S402. position respectively and to each full-filling point position, detect the gray value in each full-filling point position and calculating
Full-filling area in full-filling point；
S403. according to the gray value and full-filling area of full-filling point, whether each full-filling point is judged by full-filling, and form full-filling
As a result.
As shown in Figure 5, a kind of answering card intelligent identifying system, include client and keep data to communicate with client
The server end of connection, client include：
Scan module, for the topic card picture with Quick Response Code to be scanned and generated to answer card；
The read module of data communication connection is kept with scan module, for receiving the topic card picture with Quick Response Code, and is read
The topic card mark ID number carried in Quick Response Code；
The processing module of data communication connection is kept with read module, for True-False card mark ID number and current topic strap form pair
Whether the topic snap gauge panel sign ID number answered is consistent, is judging topic card mark ID number and is currently inscribing that strap form is corresponding inscribes strap form
In the case of mark ID number is unequal, topic card mark ID number is carried to the topic strap form data acquisition request sent in needs
In, send the request；
The identification module of data communication connection is kept with processing module, for receiving and loading topic strap form, and to topic card figure
Full-filling region carries out image recognition in piece, and the full-filling information of all full-filling points of card picture is inscribed in acquisition；
Judge the topic card mark ID number feelings equal with topic snap gauge panel sign ID number corresponding to current topic strap form in processing module
Under condition, identification module is additionally operable to, and loads current topic strap form, and image recognition, acquisition topic are carried out to topic card picture full-filling region
The full-filling information of all full-filling points of card picture.
Wherein, identification module carries out image recognition to full-filling region in topic card picture and all full-filling points of card picture are inscribed in acquisition
Full-filling information, identification module also includes：
Location confirmation unit, for the dope vector of full-filling point in the full-filling region of reading topic strap form record, determine full-filling area
Full-filling point position in domain；
Detection unit, for positioning the gray value to each full-filling point position, detected in each full-filling point position respectively
And the full-filling area in calculating full-filling point；
As a result generation unit, for the gray value and full-filling area according to full-filling point, judge whether each full-filling point is filled out
Apply, and form full-filling result.
Read module, identification module and processing module are additionally operable to the identification to blank topic card, are specially：
Read module is additionally operable to, and is received the topic card picture of the blank with Quick Response Code and is read the topic card mark ID carried in Quick Response Code
Number；
Identification module is additionally operable to, and full-filling region in card picture is inscribed to blank and carries out image recognition and obtains all in full-filling region
Full-filling point feature information, wherein, identification module includes：
Grid lines removal unit, the grid lines in full-filling region in card picture is inscribed for the method removal by corroding and expanding, is protected
Stay the matrix information of full-filling point；
Full-filling point coordinates information acquisition unit, after by carrying out expansion process to full-filling region in topic card picture again, from
Horizontally and vertically full-filling point is projected, obtains the coordinate information of full-filling point；
Encapsulation unit, for the coordinate information of full-filling point to be packaged into the dope vector of full-filling point, wherein, the array letter of full-filling point
Breath includes full-filling point upper left corner dope vector, the length and width information in region included by full-filling point；
Processing module is additionally operable to, and by the topic strap form of all full-filling point feature information generation one, and topic is blocked into mark ID number as topic
Snap gauge panel sign ID number simultaneously establishes index relative with topic strap form, and topic strap form is sent into server.
Server end includes：
Searching modul, strap form data acquisition request is inscribed for reception, and topic is blocked into mark ID number as index value in topic snap gauge
Strap form is inscribed in lookup in plate information bank, and the topic strap form found is sent into client.
Embodiment：
As shown in Figure 6, a kind of answering card intelligent identification Method, method include：
S501. topic card scanning：Scan module is scanned to the answering card for being loaded with full-filling information and generates the topic with Quick Response Code
Card picture；
S502. topic card is loaded into and Quick Response Code identifies：Read module receives the topic card picture with Quick Response Code, and reads in Quick Response Code
The topic card mark ID number of carrying；
S503. template is checked：Processing module True-False card mark ID number topic strap form mark whether corresponding with current topic strap form
Know that ID number is equal, judge to inscribe snap gauge panel sign ID number corresponding to topic card mark ID number and current topic strap form equal situation
Under, into step S504, judge that topic card mark ID number topic snap gauge panel sign ID number corresponding with current topic strap form is unequal
In the case of, into step S505；
S504. template is loaded into and topic card identifies：The current topic strap form of processing module loading, figure is carried out to topic card picture full-filling region
As identifying and obtaining the full-filling information for all full-filling points for inscribing card picture, step S501 is then jumped to, inscribes and blocks into next round
Identification process, until all topic card identification finishes and terminates flow.
S505. template is asked：Topic card mark ID number is carried and obtained in the topic strap form data for needing to send by processing module
Take in request, send the request；
S506. template is sent：Strap form data acquisition request is inscribed in searching modul reception in client, and topic is blocked into mark ID number and made
For index value, strap form is inscribed in lookup in strap form information bank is inscribed, and the topic strap form is sent into client；
S507. template is loaded into and topic card identifies：Processing module loads the topic strap form for coming from server, to inscribing card picture full-filling
Region carries out the full-filling information of image recognition and all full-filling points of acquisition topic card picture, then jumps to step S501, enters
Next round inscribes card identification process, until all topic card identification finishes and terminates flow.
Claims (10)
1. a kind of answering card intelligent identification Method, it is characterised in that methods described includes：
Client receives the topic card picture with Quick Response Code, and reads the topic card mark ID number carried in Quick Response Code, in the topic card
In the case of mark ID number topic snap gauge panel sign ID number corresponding with current topic strap form is unequal, topic card mark ID number is taken
Band sends the request in the topic strap form data acquisition request for needing to send；
Received server-side inscribes strap form data acquisition request, and topic is blocked into mark ID number as index value in topic strap form information
Strap form is inscribed in lookup in storehouse, and the topic strap form is sent into client；
Client receives and loading topic strap form, carries out image recognition to full-filling region in topic card picture and card picture is inscribed in acquisition
The full-filling information of all full-filling points.
2. a kind of answering card intelligent identification Method as claimed in claim 1, it is characterised in that client reads in Quick Response Code and taken
After the topic card mark ID number of band, in addition to：
In the case where the topic card identifies ID number and currently topic snap gauge panel sign ID number is equal corresponding to topic strap form, client adds
The current topic strap form of load, image recognition and the full-filling of all full-filling points of acquisition topic card picture are carried out to topic card picture full-filling region
Information.
A kind of 3. answering card intelligent identification Method as claimed in claim 1 or 2, it is characterised in that
The full-filling information of image recognition and acquisition topic all full-filling points of card picture, its mode are carried out to full-filling region in topic card picture
Including：
The dope vector of full-filling point, determines full-filling point position in full-filling region in the full-filling region of reading topic strap form record；
The gray value and calculating full-filling point to each full-filling point position, detected in each full-filling point position is positioned respectively
Interior full-filling area；
According to the gray value and full-filling area of full-filling point, whether each full-filling point is judged by full-filling, and form full-filling result.
4. a kind of answering card intelligent identification Method as claimed in claim 1, it is characterised in that client receives and carries Quick Response Code
Topic card picture before, in addition to：
Client receives the blank topic card picture with Quick Response Code and reads the topic card mark ID number carried in Quick Response Code；
Full-filling region in card picture is inscribed to blank to carry out image recognition and obtain all full-filling point feature information in full-filling region；
By all full-filling point feature information generation one topic strap form, and will topic card mark ID number as inscribe snap gauge panel sign ID number simultaneously
Index relative is established with topic strap form；
Topic strap form is sent to server.
A kind of 5. answering card intelligent identification Method as claimed in claim 4, it is characterised in that
The characteristic information of all full-filling points of image recognition and acquisition topic card picture is carried out to blank topic card picture full-filling region, its
Mode includes：
The grid lines in full-filling region in card picture is inscribed by the method removal corroded and expanded, retains the matrix information of full-filling point；
After carrying out expansion process to full-filling region in topic card picture again, full-filling point is projected with vertical direction from horizontal direction,
Obtain the coordinate information of full-filling point；The coordinate information of full-filling point is packaged into the dope vector of full-filling point.
6. a kind of answering card intelligent identifying system, it is characterised in that include client and keep data communication link with client
The server end connect,
The client includes：
Scan module, for the topic card picture with Quick Response Code to be scanned and generated to answer card；
The read module of data communication connection is kept with scan module, for receiving the topic card picture with Quick Response Code, and is read
The topic card mark ID number carried in Quick Response Code；
The processing module of data communication connection is kept with read module, for True-False card mark ID number and current topic strap form pair
Whether the topic snap gauge panel sign ID number answered is consistent, is judging topic card mark ID number and is currently inscribing that strap form is corresponding inscribes strap form
In the case of mark ID number is unequal, topic card mark ID number is carried to the topic strap form data acquisition request sent in needs
In, send the request；
The identification module of data communication connection is kept with processing module, for receiving and loading topic strap form, and to topic card figure
Full-filling region carries out image recognition in piece, and the full-filling information of all full-filling points of card picture is inscribed in acquisition；
The server end includes：
Searching modul, strap form data acquisition request is inscribed for reception, and topic is blocked into mark ID number as index value in topic snap gauge
Strap form is inscribed in lookup in plate information bank, and the topic strap form found is sent into client.
7. a kind of answering card intelligent identifying system as claimed in claim 6, it is characterised in that judge the topic card in processing module
In the case of identifying ID number and currently topic snap gauge panel sign ID number being equal corresponding to topic strap form,
The identification module is additionally operable to, and loads current topic strap form, and carries out image recognition to topic card picture full-filling region, is obtained
Inscribe the full-filling information of all full-filling points of card picture.
A kind of 8. answering card intelligent identifying system as claimed in claims 6 or 7, it is characterised in that
The identification module includes：
Location confirmation unit, for the dope vector of full-filling point in the full-filling region of reading topic strap form record, determine full-filling area
Full-filling point position in domain；
Detection unit, for positioning the gray value to each full-filling point position, detected in each full-filling point position respectively
And the full-filling area in calculating full-filling point；
As a result generation unit, for the gray value and full-filling area according to full-filling point, judge whether each full-filling point is filled out
Apply, and form full-filling result.
9. a kind of answering card intelligent identifying system as claimed in claim 6, it is characterised in that receiving the topic with Quick Response Code
Before card picture,
The read module is additionally operable to, and is received the topic card picture of the blank with Quick Response Code and is read the topic card mark carried in Quick Response Code
Know ID number；
The identification module is additionally operable to, and full-filling region in card picture is inscribed to blank and carries out image recognition and obtains in full-filling region
All full-filling point feature information；
The processing module is additionally operable to, and by the topic strap form of all full-filling point feature information generation one, and topic is blocked into mark ID number and made
Index relative is established for topic snap gauge panel sign ID number and with topic strap form, and topic strap form is sent to server.
A kind of 10. answering card intelligent identifying system as claimed in claim 9, it is characterised in that
The identification module also includes：
Grid lines removal unit, the grid lines in full-filling region in card picture is inscribed for the method removal by corroding and expanding, is protected
Stay the matrix information of full-filling point；
Full-filling point coordinates information acquisition unit, after by carrying out expansion process to full-filling region in topic card picture again, from
Horizontally and vertically full-filling point is projected, obtains the coordinate information of full-filling point；
Encapsulation unit, for the coordinate information of full-filling point to be packaged into the dope vector of full-filling point.
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| CN201710668158.XA CN107633201B (en) | 2017-08-07 | 2017-08-07 | Intelligent identification method and system for answer sheet |
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|---|---|---|---|
| CN201710668158.XA CN107633201B (en) | 2017-08-07 | 2017-08-07 | Intelligent identification method and system for answer sheet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108763260A (en) * | 2018-03-30 | 2018-11-06 | 广东小天才科技有限公司 | A kind of examination question searching method, system and terminal device |
| CN110765995A (en) * | 2019-10-11 | 2020-02-07 | 深圳市鹰硕技术有限公司 | Answer sheet generation method, answer sheet identification device and storage medium |
| CN111126227A (en) * | 2019-12-17 | 2020-05-08 | 广东德诚大数据科技有限公司 | Detection method for scanning and collecting abnormal answer sheet |
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