CN108665386A - Subjective scoring examination system and method based on mobile platform and image procossing - Google Patents
Subjective scoring examination system and method based on mobile platform and image procossing Download PDFInfo
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Abstract
The invention discloses a kind of subjective scoring examination system and method based on mobile platform and image procossing, it takes an exam to take pictures by the mobile ends Pad and registers, impersonates inspection and examination paper collecting etc., solving previous paper can not scanning electron, managing test paper, arrangement of the tests task weight, the difficulty arrangement of organizes expert Go over examination papers subjectively place time, the big problem of expert's subjective scoring opinion point difference；And innovative is registered using pad and is impersonated inspection and examination paper collecting；It more can be used to the paper that optimization collects using image processing techniques；In addition, being additionally provided with shooting light filling equipment at the ends mobile Pad, so that examinee is registered and is impersonated and check that more accurate, examination paper collecting more precise sharpness, the invention can greatly simplify subjective scoring work about test amount, achieve the effect that get twice the result with half the effort.
Description
Technical field
The present invention relates to electronic information technical field, more particularly to a kind of subjectivity based on mobile platform and image procossing is commented
Divide examination system and method.
Background technology
Or the examination of electronization at present is directly to be completed on computers by upper machine or is that examinee is allowed to finish examination
It takes an exam on the papery paper in region, sweeping into computer by scanner after finishing carries out piecemeal interception scoring.But above
Two ways be not particularly suited for many examinations that paper can not scan and need expert's subjective scoring, such as：Skill is passed the examination sketch
With color examination, normal student's writing skill examination etc..Examinee's number that this kind of examination is related to is more, and tissue examination is time-consuming and laborious；
Subjective scoring is used when scoring, is not sought unity of standard, and it is larger to often result in effort analysis, not objective enough.
Invention content
To solve the above problems, the invention discloses based on mobile platform and image procossing subjective scoring examination system and
Method is taken an exam to take pictures by the mobile ends Pad and registers, impersonates inspection and examination paper collecting etc., solves previous this kind of took an examination
Journey is complicated, management trouble, paper can not scanning electron, managing test paper, arrangement of the tests task weight problem.
In order to achieve the above objectives, the present invention provides the following technical solutions：
A kind of subjective scoring examination system based on mobile platform and image procossing, it is characterised in that：Including Examinee information management
System, invigilates information management system, information management system of going over examination papers, achievement at exam information management system, information management system of registering
Certificate management system, metadata management system, function of statistic analysis module, the ends Pad invigilator's examination paper collecting system, rule process system
System and database, the examinee information management system, exam information management system, registration information management system, invigilator's message tube
Reason system, information management system of going over examination papers, achievement certificate management system and metadata management system are connect with database, described
The ends Pad invigilate examination paper collecting system by invigilate information management system connect with database, the registration information management system with
Information management system of going over examination papers also is connect with general computing system, and the registration information management system and achievement certificate management system are also
It is connect with function of statistic analysis module；
The examinee information management system is for the information of examinee to be added in database；
The exam information management system is for being managed exam information；
The registration information management system examines teacher and carries out the examinee of registration by examination hall for registering and arranging for examinee
Row examines；
The ends the Pad invigilator examination paper collecting system is used to be registered and examination paper collecting；
It is described go over examination papers information management system for by examinee register information and test paper increases, deletes, changes, looks into, it is also old for going over examination papers
Teacher reads and makes comments paper；
The achievement certificate management system is used to carry out the upload of score inquiry and certificate；
The metadata management system is for being configured the parameter of whole system；
The function of statistic analysis module is connect with the registration information management system, information for registering examinee and is examined
The relevant information for trying achievement is for statistical analysis；The function of statistic analysis module is connect with the achievement certificate management system,
It is for statistical analysis for the relevant information to total marks of the examination；
The general computing system is connect with the registration information management system, the condition for determining registration；At the rule
Reason system is connect with the information management system of going over examination papers, and the paper for being read and made comments to needs is allocated.
As an improvement of the present invention, the mobile ends Pad are equipped with shooting light filling equipment.
As an improvement of the present invention, the shooting light filling equipment is light compensating lamp.
A kind of subjective scoring method of examination based on mobile platform and image procossing, it is characterised in that：Include the following steps：
（1）The information of examinee is added in database by administrator by examinee information management system
（2）Examinee is registering to register in information management system；
（3）Row examines teacher and is examined by the way that the examinee to have registered in database is carried out row by examination hall in information management system of registering；
（4）Administrator issues invigilator's task by invigilating information management system to every teacher；
（5）Administrator distributes to invigilator's task of this pad by invigilating information management system acquisition on mobile pad；
（6）When invigilator, the pad that every teacher holds corresponding examination hall is invigilated；When invigilator, teacher is clapped using mobile pad
According to registering and impersonate inspection；
（7）Examinee finishes the rear ends Pad invigilator's examination paper collecting system and scans the test paper of examinee, then by invigilating information management system
Test paper is uploaded to database by system；After invigilator, data will be invigilated（Including photo and the test paper of registering）It uploads onto the server（Branch
Hold breakpoint transmission）, in the case of online, can upload online, if can be added without corresponding data in system
Adduction update；
（8）It carries out that the test paper of the examinee in database is carried out task of going over examination papers according to rule of going over examination papers by information management system of going over examination papers
Smart allocation；
（9）Every teacher can carry out reading and making comments for paper by information management system of going over examination papers, and allow with a paper by different
Teacher reads and makes comments；
（10）After going over examination papers, automatically generates corresponding achievement and achievement data is carried out by corresponding function of statistic analysis
Statistical analysis.
As an improvement of the present invention, the ends Pad invigilator's examination paper collecting system can be used when collecting examinee's test paper
Image procossing optimization method, described image processing optimization method include the following steps：
（1）After opening camera, two rectangle frames are shown on the screen；
（2）Paper edge is placed in two rectangle frames；
（3）Edge between two rectangle frames is calculated using Laplace operator；
（4）Edge between two rectangle frames is expanded and corroded using Morphological scale-space, the breaking part in straight line is eliminated；
（5）4 longest linear edges in two rectangle frames are calculated using Hough transformation；
（6）Content in rectangle frame is subjected to rotation scaling to standard size；
（7）If paper is black and white composition, image equalization is carried out using histogram equalization, recycles clustering algorithm by face
Color is polymerized to two class of black and white.
As an improvement of the present invention, smart allocation side can be taken when the information management system of going over examination papers distributes paper
Method one or smart allocation method two.
As an improvement of the present invention, the smart allocation method one includes the following steps：Every teacher reads and appraises number
It is identical：Teacher number m people is read and appraised, examinee is then divided into m parts by examinee n people, and number k is read and appraised according to every part of examination paper, will be adjacent
One of teacher is distributed to for k parts to read and appraise.
As an improvement of the present invention, the smart allocation method two includes the following steps：Every teacher is freely set
Read and appraise number（p1,p2,...,pm）（First detection read and appraise the most k people of number read and appraise number it is whether identical and [p1/k]+
[p2/k]+... whether+[pm/k] is more than or equal to n (wherein [pi/k] is the maximum integer less than pi/k), if not satisfied, then carrying
Showing can not distribute, and be handled down if meeting）, then the number of reading and appraising of its minimum is taken to carry out distribution of marking examination papers by the first situation（Batch
It is pm*m/k to read examinee's examination paper number）, it is assumed that minimum number of reading and appraising is pm, then the number of reading and appraising that every teacher is arranged in next round is
(p1-pm, p2-pm ..., 0), it is (n-pm*m/k) that need to read and make comments examinee's examination paper number.It can accomplish the different work of every teacher in this way
Amount, and the paper of every examinee has k teachers to read and appraise.
Beneficial effects of the present invention：
The present invention provides a kind of subjective scoring examination system based on mobile platform and image procossing, solve previous paper without
Method scanning needs this kind of examination process of expert's subjective scoring complicated again, management trouble, paper can not scanning electron, paper pipe
The problem of reason, arrangement of the tests task weight；And innovative is registered using pad and is impersonated inspection and examination paper collecting；Profit
It more can be used to the paper that optimization collects with image processing techniques；It is set in addition, being additionally provided with shooting light filling at the ends mobile Pad
It is standby, so that examinee is registered and is impersonated and checks that more accurate, examination paper collecting more precise sharpness, the invention can greatly simplify subjectivity
Score work about test amount, achievees the effect that get twice the result with half the effort.
Description of the drawings
Fig. 1 is the hardware architecture diagram of the present invention.
Fig. 2 is the software configuration schematic diagram of the present invention.
Fig. 3 is the system structure diagram of the present invention.
Fig. 4 is the mobile main image processing techniques in the ends pad of the present invention.
Fig. 5 is the example schematic one of paper smart allocation method one.
Fig. 6 is the example schematic two of paper smart allocation method one.
Specific implementation mode
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific implementation modes are only
For illustrating the present invention rather than limiting the scope of the invention.
B/S structures（Browser/Server, Browser/Server Mode）, it is a kind of network structure mould after WEB rises
Formula, web browser are the most important application software of client, use B/S technology can to the data that are arrived involved in system with
And information is managed；C/S structures（Client/Server, customer end/server mode）, it is the common networks of mobile phone terminal app
Tactic pattern can carry out online and offline processing to invigilator and examination paper collecting using the technology of C/S, and use image procossing
Technology can limit paper of the paper size simultaneously to being collected in varying environment（Can be picture or video）It optimizes.
As shown in Figure 1, the hardware components of the present invention include PC, mobile phone, server and Pad, the PC, mobile phone and Pad are equal
It is connect with server, shooting light filling equipment is also equipped on the Pad.
As shown in Fig. 2, the software architecture of the present invention includes the JSP based on PC and mobile phone（JAVA server pages）And ASP
（Active Server Pages）, the server based on oracle mysql sqlserver, the Web service based on Pad, it is described to be based on
The JSP of PC and mobile phone（JAVA server pages）And ASP（Active Server Pages）And the Web service based on Pad is and base
It is connected in the server of oracle mysql sqlserver.
As shown in figure 3, a kind of subjective scoring examination system based on mobile platform and image procossing, it is characterised in that：Packet
It includes examinee information management system, exam information management system, information management system of registering, invigilate information management system, letter of going over examination papers
Cease management system, achievement certificate management system, metadata management system, function of statistic analysis module, the ends Pad invigilator examination paper collecting
System, general computing system and database, the examinee information management system, exam information management system, registration information management
System, invigilate information management system, information management system of going over examination papers, achievement certificate management system and metadata management system with number
It is connected according to library, the ends Pad invigilator's examination paper collecting system is connect by invigilating information management system with database, the registration letter
Breath management system and information management system of going over examination papers also are connect with general computing system, the registration information management system and achievement card
Book management system is also connect with function of statistic analysis module；
The examinee information management system is for the information of examinee to be added in database；
The exam information management system is for being managed exam information；
The registration information management system examines teacher and carries out the examinee of registration by examination hall for registering and arranging for examinee
Row examines；
The ends the Pad invigilator examination paper collecting system is used to be registered and examination paper collecting；
It is described go over examination papers information management system for by examinee register information and test paper increases, deletes, changes, looks into, it is also old for going over examination papers
Teacher reads and makes comments paper；
The achievement certificate management system is used to carry out the upload of score inquiry and certificate；
The metadata management system is for being configured the parameter of whole system；
The function of statistic analysis module is connect with the registration information management system, information for registering examinee and is examined
The relevant information for trying achievement is for statistical analysis；The function of statistic analysis module is connect with the achievement certificate management system,
It is for statistical analysis for the relevant information to total marks of the examination；
The general computing system is connect with the registration information management system, the condition for determining registration；At the rule
Reason system is connect with the information management system of going over examination papers, and the paper for being read and made comments to needs is allocated.
The present invention is by the way of B/S and C/S, a kind of subjective scoring examination side based on mobile platform and image procossing
Method includes the following steps：
（1）The information of examinee is added in database by administrator by examinee information management system
（2）Examinee is registering to register in information management system；
（3）Row examines teacher and is examined by the way that the examinee to have registered in database is carried out row by examination hall in information management system of registering；
（4）Administrator issues invigilator's task by invigilating information management system to every teacher；
（5）Administrator distributes to invigilator's task of this pad by invigilating information management system acquisition on mobile pad；
（6）When invigilator, the pad that every teacher holds corresponding examination hall is invigilated；When invigilator, teacher is clapped using mobile pad
According to registering and impersonate inspection；
（7）Examinee finishes the rear ends Pad invigilator's examination paper collecting system and scans the test paper of examinee, then by invigilating information management system
Test paper is uploaded to database by system；After invigilator, data will be invigilated（Including photo and the test paper of registering）It uploads onto the server（Branch
Hold breakpoint transmission）, in the case of online, can upload online, if can be added without corresponding data in system
Adduction update；
（8）It carries out that the test paper of the examinee in database is carried out task of going over examination papers according to rule of going over examination papers by information management system of going over examination papers
Distribution；
（9）Every teacher can carry out reading and making comments for paper by information management system of going over examination papers, and allow with a paper by different
Teacher reads and makes comments；
（10）After going over examination papers, automatically generates corresponding achievement and achievement data is carried out by corresponding function of statistic analysis
Statistical analysis.
Examinee information management system of the present invention mainly by administrator and examinee and with check examinee information weigh
The user of limit uses.Administrator is by examinee information management system by the information of examinee（The information such as head portrait, name, head image information
It can be used for checking and impersonate）It is added among system.Examinee checks the information of oneself by examinee information management system.
Exam information management system of the present invention is mainly made by managing with the user with exam information administration authority
With.Administrator is taken an exam the management of information by the system.The information of management mainly has examination title, test subject, examination
Notice and most important enter oneself for the examination rule.
It is of the present invention registration information management system mainly by administrator and with registration information management permission user
It uses.Administrator can carry out the examinee of registration row by the system and examine, and can be to the examinee of registration by the system
Increased, deleted, changed, looked into.By general computing system, examinee can only need him the subject taken an examination to register；The registration
Information management system is connect with general computing system, forms registration intelligent rules Processing Algorithm, to the examinee of registration examination, rule
Definition is divided into two classes：1, pass through regular collection（Including allow by label and individual）, 2, no-go gage then gathers（Including not
Allow by label and individual）；By this two classes label, setting can enter oneself for the examination life automatically.
Invigilator's information management system of the present invention is mainly by administrator and with the user for invigilating information management permission
It uses.Corresponding invigilator's task can be added in invigilating task management interface, include required invigilator's play in invigilator's task
Relevant information.Corresponding modification can be made to the examination play in existing invigilator's task, deleted and inquired.And it can set
The equipment for completing each invigilator's task is set, so that relevant device can easily obtain corresponding invigilator's information.In equipment management
The increasing to facility information can be completed in interface, deleted, changed, looking into.
It is of the present invention go over examination papers information management system mainly by administrator, go over examination papers teacher and with go over examination papers information management power
The user of limit uses.Administrator information and can answer registering for the examinee uploaded from tablet in managing test paper interface
Volume is increased, is deleted, being changed, being looked into.It, can also be successfully by examination data introgressive line after make-up examination if examinee does not take an examination as scheduled
System.In check paper task management interface, corresponding check paper task and check paper mission bit stream can be added（Check paper mission bit stream
Including：Fractional form is classic form or fractional form, has comment again without comment, score synthesized form be average mark,
Mode, median etc.）.Can carry out the increasing of check paper teacher, delete, change, looking into, distribution check paper teacher gos over examination papers number and setting read and make comments it is every
The information such as the number of part examination paper.Check paper teacher login system can facilitate the mission bit stream that inquiry will correct and all
History corrects mission bit stream.The paper to be corrected and conveniently can be inquired by different angle by clicking some task of correcting
It is read and made comments on ground.General computing system is according to the automatic distribution paper of rule that information above is formulated.System is read and made comments to need simultaneously
Meet the display requirement of computer and mobile phone terminal；The information management system of going over examination papers is connect with general computing system, forms intelligence point
With paper rule-based algorithm, smart allocation method one：It is identical that every teacher reads and appraises number：Read and appraise teacher number m people, examinee n people, then
Examinee is divided into m parts, number k is read and appraised according to every part of examination paper, adjacent k parts are distributed into one of teacher and are read and appraised；Intelligence
It can distribution method two：Every teacher is freely arranged reads and appraises number（p1,p2,...,pm）（The most k of number is read and appraised in detection first
People reads and appraises whether number identical and [p1/k]+[p2/k]+...+[pm/k] whether be more than or equal to n (wherein [pi/k] be less than
The maximum integer of pi/k), if not satisfied, then prompt can not distribute, handled down if meeting）, then take its minimum reads and appraises people
Number carries out distribution of marking examination papers by the first situation（It is pm*m/k to read and make comments examinee's examination paper number）, it is assumed that minimum number of reading and appraising is pm, then
The number of reading and appraising that every teacher is arranged in next round is (p1-pm, p2-pm ..., 0), and it is (n-pm*m/ that need to read and make comments examinee's examination paper number
k).It can accomplish the different workload of every teacher in this way, and the paper of every examinee has k teachers to read and appraise.It illustrates：Intelligence
It can distribution method one：As shown in figure 5, to read and appraise number identical by every teacher, 5 people of teacher's number is read and appraised, 500 people of examinee will then examine
It is estranged that 3 people of number is read and appraised according to every part of examination paper, one of teacher is distributed to by adjacent 3 parts and reads and appraises at 5 parts, if
It is indivisible, then divide as possible can, 5 people are such as divided into 4 parts, as shown in Figure 6；Smart allocation method two：Everybody is freely set
Teacher's reads and appraises number,（400、400、400、300、100）, since every part of examination paper is read and appraised by 3 people, read and appraise 3 most people of number
Read and appraise that number is identical, so meeting condition, then 100/3+300/3+400/3+400/3+400/3 is approximately equal to 531 people, is more than
500 people, so meet condition, then the first round be assigned as 100*5/3 and be approximately equal to 166 people, it is old that this 166 examinees are distributed to everybody
Shi Jinhang reads and makes comments, and then carries out the second wheel distribution：（300、300、300、200、0）, then 200*4/3 be approximately equal to 266 people, to remaining
4 teachers read and make comments, remaining 68 people then only need to be distributed to remaining 3 teachers and read and made comments by third round distribution.
Achievement certificate management system of the present invention mainly has administrator, examinee and with achievement certificate management permission
User uses.Examinee can carry out score inquiry using this system and certificate uploads.Management can be to examinee's by this system
Certificate is audited and is increased, is deleted, is changed, looked into.By the system, administrator can also increase the achievement of examinee, delete, change,
It looks into.
Metadata management system of the present invention is mainly used by administrator with the user with metadata management permission.
Administrator can be configured the parameter of whole system by the system.
Function of statistic analysis of the present invention is mainly by administrator and the user with function of statistic analysis permission makes
With.Administrator can be for statistical analysis to the relevant information for the information and total marks of the examination that examinee registers by the function.
The mobile ends pad invigilator examination paper collecting software of the present invention mainly has supervisor and administrator to use.Management
The device number of this equipment can be arranged by the system by member, can update the username and password of the administrator of this equipment, can be with
Upload the paper in this Supervision examination hall time；Administrator can increase the information for the user for logging in this equipment, delete, changes, look into.Pipe
Reason person can carry out each pad invigilator's task acquisition, and deleted the task of acquisition, inquired, and to each invigilator field
Secondary progress supervisor's distribution；It can be registered by the software（It is checked including impersonating）And examination paper collecting；In examination paper collecting
When, using image processing techniques to the paper that collects（Including image and video）It carries out at size limitation and optimization
When managing, and upload examination data, meets offline and two kinds of forms of online upload, data upload possess breakpoint transmission and appearance
The function of wrong mechanism.
The ends Pad invigilator's examination paper collecting system of the present invention can use image procossing optimization side when collecting examinee's test paper
Method, described image processing optimization method include the following steps：
（1）After opening camera, two rectangle frames are shown on the screen；
（2）Paper edge is placed in two rectangle frames（Rectangle frame size can be arranged according to paper size, and paper should be placed
With on the different desk of paper integral color）；
（3）Edge between two rectangle frames is calculated using Laplace operator；
（4）Edge between two rectangle frames is expanded and corroded using Morphological scale-space, the breaking part in straight line is eliminated；
（5）4 longest linear edges in two rectangle frames are calculated using Hough transformation（Upper and lower two horizontal straight lines, left and right two
Four line segments can be obtained by this four straight lines in vertical line.Then rectangle frame, upper and lower two straight lines of rectangle frame are drawn on interface
Slope be upper and lower two lines slope over 10 half, size be upper and lower two lines section it is shortest that.Rectangle frame or so
The slope of two straight lines be left and right two lines slope over 10 half, size be left and right two slopes it is shortest that.
The intersection point of the upper left of quadrangle is enclosed by four line segments in the position of rectangle frame.Rectangle frame position is manually displaced can amplify with size
Or it reduces）；
（6）Content in rectangle frame is subjected to rotation scaling to standard size；
（7）If paper is black and white composition, image equalization is carried out using histogram equalization, recycles clustering algorithm（Such as k
Nearest neighbor algorithm）Color is polymerized to two class of black and white.
The technical means disclosed in the embodiments of the present invention is not limited only to the technological means disclosed in the above embodiment, further includes
By the above technical characteristic arbitrarily the formed technical solution of combination.
Claims (8)
1. a kind of subjective scoring examination system based on mobile platform and image procossing, it is characterised in that：Including examinee information pipe
Reason system, exam information management system, information management system of registering, invigilate information management system, information management system of going over examination papers, at
Achievement certificate management system, metadata management system, function of statistic analysis module, the ends Pad invigilator's examination paper collecting system, rule process
System and database, the examinee information management system, exam information management system, registration information management system, invigilator's information
Management system, information management system of going over examination papers, achievement certificate management system and metadata management system are connect with database, described
The ends Pad invigilate examination paper collecting system by invigilate information management system connect with database, the registration information management system with
Information management system of going over examination papers also is connect with general computing system, and the registration information management system and achievement certificate management system are also
It is connect with function of statistic analysis module；
The examinee information management system is for the information of examinee to be added in database；
The exam information management system is for being managed exam information；
The registration information management system examines teacher and carries out the examinee of registration by examination hall for registering and arranging for examinee
Row examines；
The ends the Pad invigilator examination paper collecting system is used to be registered and examination paper collecting；
It is described go over examination papers information management system for by examinee register information and test paper increases, deletes, changes, looks into, it is also old for going over examination papers
Teacher reads and makes comments paper；
The achievement certificate management system is used to carry out the upload of score inquiry and certificate；
The metadata management system is for being configured the parameter of whole system；
The function of statistic analysis module is connect with the registration information management system, information for registering examinee and is examined
The relevant information for trying achievement is for statistical analysis；The function of statistic analysis module is connect with the achievement certificate management system,
It is for statistical analysis for the relevant information to total marks of the examination；
The general computing system is connect with the registration information management system, the condition for determining registration；At the rule
Reason system is connect with the information management system of going over examination papers, and the paper for being read and made comments to needs is allocated.
2. a kind of subjective scoring examination system based on mobile platform and image procossing according to claim 1, feature
It is：The mobile ends Pad are equipped with shooting light filling equipment.
3. a kind of subjective scoring examination system based on mobile platform and image procossing according to claim 2, feature
It is：The shooting light filling equipment is light compensating lamp.
4. a kind of subjective scoring method of examination based on mobile platform and image procossing, it is characterised in that：Include the following steps：
（1）The information of examinee is added in database by administrator by examinee information management system
（2）Examinee is registering to register in information management system；
（3）Row examines teacher and is examined by the way that the examinee to have registered in database is carried out row by examination hall in information management system of registering；
（4）Administrator issues invigilator's task by invigilating information management system to every teacher；
（5）Administrator distributes to invigilator's task of this pad by invigilating information management system acquisition on mobile pad；
（6）When invigilator, the pad that every teacher holds corresponding examination hall is invigilated；When invigilator, teacher is clapped using mobile pad
According to registering and impersonate inspection；
（7）Examinee finishes the rear ends Pad invigilator's examination paper collecting system and scans the test paper of examinee, then by invigilating information management system
Test paper is uploaded to database by system；After invigilator, data will be invigilated（Including photo and the test paper of registering）It uploads onto the server（Branch
Hold breakpoint transmission）, in the case of online, can upload online, if can be added without corresponding data in system
Adduction update；
（8）It carries out that the test paper of the examinee in database is carried out task of going over examination papers according to rule of going over examination papers by information management system of going over examination papers
Smart allocation；
（9）Every teacher can carry out reading and making comments for paper by information management system of going over examination papers, and allow with a paper by different
Teacher reads and makes comments；
（10）After going over examination papers, automatically generates corresponding achievement and achievement data is carried out by corresponding function of statistic analysis
Statistical analysis.
5. a kind of subjective scoring method of examination based on mobile platform and image procossing according to claim 4, feature
It is：The ends Pad invigilator's examination paper collecting system can use image procossing optimization method, described image when collecting examinee's test paper
Processing optimization method includes the following steps：
（1）After opening camera, two rectangle frames are shown on the screen；
（2）Paper edge is placed in two rectangle frames；
（3）Edge between two rectangle frames is calculated using Laplace operator；
（4）Edge between two rectangle frames is expanded and corroded using Morphological scale-space, the breaking part in straight line is eliminated；
（5）4 longest linear edges in two rectangle frames are calculated using Hough transformation；
（6）Content in rectangle frame is subjected to rotation scaling to standard size；
（7）If paper is black and white composition, image equalization is carried out using histogram equalization, recycles clustering algorithm by face
Color is polymerized to two class of black and white.
6. a kind of subjective scoring method of examination based on mobile platform and image procossing according to claim 4, feature
It is：The information management system of going over examination papers can take smart allocation method one or smart allocation method two when distributing paper.
7. a kind of subjective scoring method of examination based on mobile platform and image procossing according to claim 6, feature
It is：The smart allocation method one includes the following steps：It is identical that every teacher reads and appraises number：Read and appraise teacher number m people, examinee
Examinee is then divided into m parts by n people, reads and appraises number k according to every part of examination paper, adjacent k parts are distributed to one of teacher and are commented
It reads.
8. a kind of subjective scoring method of examination based on mobile platform and image procossing according to claim 6, feature
It is：The smart allocation method two includes the following steps：Every teacher is freely arranged reads and appraises number（p1,p2,...,pm）
（First detection read and appraise the most k people of number read and appraise whether number identical and [p1/k]+[p2/k]+... whether+[pm/k] big
In equal to n (wherein [pi/k] is maximum integer less than pi/k), if not satisfied, then prompt can not distribute, if meeting down
Processing）, then the number of reading and appraising of its minimum is taken to carry out distribution of marking examination papers by the first situation（It is pm*m/k to read and make comments examinee's examination paper number）, false
If minimum number of reading and appraising is pm, then the number of reading and appraising that every teacher is arranged in next round is (p1-pm, p2-pm ..., 0), need to be criticized
It is (n-pm*m/k) to read examinee's examination paper number.It can accomplish the different workload of every teacher in this way, and the paper of every examinee has k
Position teacher reads and appraises.
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