CN108573461A - A kind of cloud is goed over examination papers data analysis system - Google Patents
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Abstract
A kind of cloud is goed over examination papers data analysis system, including terminal of going over examination papers, marking terminal and the cloud database communicated to connect between each other.The beneficial effects of the invention are as follows：Selection knowledge point is provided for teacher, is suitable for the class of different progress difference learning levels so that report of marking examination papers is with strong points, and error knowledge point statistics is more accurate：Notes and commentary module is provided, teacher can be directed to the wrong topic selection notes and commentary of group signature, add personalized recommendations to different students so that result of marking examination papers has more hommization；Volume face subsystem weight is arranged by teacher, and different subjects Text region difficulty difference of answering is avoided point to interfere volume face.
Description
Technical field
The present invention relates to big data teaching applications more particularly to a kind of cloud to go over examination papers data analysis system.
Background technology
In current student examination, there is more automation and goed over examination papers equipment for going over examination papers and exam analysis, but is existing
Some exam analyses and equipment standard of going over examination papers are single, it is difficult to distinguish the student of various teaching progress and teaching level to knowledge point
It grasps, for teacher, good-student class and ordinary-student class stress obviously to be different to what knowledge point was grasped, need to distinguish and evaluate；
Automation is goed over examination papers and is mostly distinguished with machine-readable and group signature, and the volume face sound of hand-written volume is not distinguished individually in students ' actual situation examination,
So that the score authenticity of hand-written volume can not embody.
Existing automation simultaneously, which is goed over examination papers, shows that result is data integration, can not be effectively to literal arts class subject and discussion type section
Mesh topic type is goed over examination papers, at the same only by the display result of data integration lack to student personalization show loving care for, reduce student with
The interactivity of teacher.
Invention content
The purpose of the present invention is to solve disadvantage existing in the prior art, and a kind of cloud proposed is goed over examination papers data analysis
System.
To achieve the goals above, present invention employs following technical solutions：A kind of cloud is goed over examination papers data analysis system, including
Terminal of going over examination papers, marking terminal and the cloud database communicated to connect between each other, terminal of going over examination papers include the first storage terminal, classification
Database and volume face terminal, taxonomy database are connected with cloud database by communication, and taxonomy database includes by marking terminal
The default grader downloaded presets grader storage and presets knowledge-ID template, and the first storage terminal storage has multiple examination questions
Test question information with the test question information of each examination question, each examination question includes item colibration answer, examination question serial number, examination question score value, examination
Topic topic type and knowledge-ID information, volume face terminal include pretreatment system, volume face identifying system and points-scoring system, points-scoring system
Including machine-readable points-scoring system, artificial points-scoring system and volume face points-scoring system, cloud database includes item database, student data
Library and teacher database, item database set up exam pool according to subject and grade, and exam pool includes multiple examination questions and each examination question
Knowledge-ID information, student database establish student's archive according to student's student number and class number, and teacher database stores teacher's letter
Breath, including subject of teaching, teach grade and curricular advancement, marking terminal include knowledge point terminal and scoring analysing terminal, knowledge
Point terminal is connect with cloud database, and knowledge point terminal storage has local exam pool, and knowledge point terminal is by changing each examination question
Knowledge-ID information, which generates, presets knowledge-ID template, and is sent to terminal of going over examination papers, and scoring analysing terminal is each for analyzing
Item rating, analysis method include：
S1:Teacher logs in cloud database before going over examination papers, and selects the knowledge point information of each examination question in exam pool, exam pool memory
The selection result of default examination question, and record and preset the corresponding test sheet numbers of examination question, selection result and test sheet numbers binding are sent
To the knowledge point terminal of marking terminal, knowledge point terminal receives selection result, and examination question template is preset in conjunction with local test database generation；
S2：Terminal of going over examination papers acquires paper information and test sheet numbers, and paper information includes student information, machine-readable volume information and artificial volume
Paper information and test sheet numbers are sent to taxonomy database by information, and taxonomy database presets examination question according to test sheet numbers extraction
Template will be sent to volume face terminal after default examination question template and the binding of paper information；
S3:The pretreatment system of volume face terminal receives paper information, handles paper information, by student information scrambled record
To corresponding machine-readable volume information and artificial volume information, encrypted machine-readable volume information and encrypted artificial volume information are generated, it will
Encrypted machine-readable volume information and encrypted artificial volume information are sent to volume face points-scoring system；
S4:Machine-readable points-scoring system extracts the test question information of each examination question in encrypted machine-readable volume information, by test question information and the
Test question information in one storage terminal is compared, and corresponding machine-readable score is exported, and records wrong topic information, by mistake topic information with
Default examination question template is compared, and the corresponding knowledge point information of machine-readable volume mistake topic is recorded；
Artificial points-scoring system extracts the test question information of each examination question and corresponding default examination question mould in encrypted artificial volume information
Plate carries out group signature, records the artificial score of input and the knowledge point information that wrong topic is corresponding；
S5:The student information in encrypted machine-readable volume and encrypted artificial volume is matched, according to machine-readable score and artificial score
Composite score is generated, and is believed according to the corresponding knowledge point of the corresponding knowledge point information of machine-readable volume mistake topic and group signature mistake topic
Breath generates error knowledge point information；
S6:According to composite score and error knowledge point information, examination result report and to being uploaded to cloud database are generated
Raw database is stored；
S7:The analysing terminal that scores extracts the data of student database, passes through the comparison of examination result report and historical data, generates
Mark examination papers report, type volume conclusion that report of marking examination papers includes composite score variation and error knowledge is brought out the theme will mark examination papers and report and send respectively
It is stored to student database and teacher database.
Preferably, it is rolled up in S3 after face terminal receives paper information and is sent to volume face identifying system, roll up face identifying system foundation
Paper is divided into electronics volume or paper roll by the paper information format of reception, and electronics volume is sent to pretreatment system, papery curly hair
It send to paper roll face points-scoring system, paper roll face points-scoring system generates volume face point to the face scoring of paper roll volume, is stored in student's letter
Breath, paper roll are sent to pretreatment system.
Preferably, paper roll face points-scoring system is equipped with fuzzy diagnosis and scanning comparison system, fuzzy diagnosis paper for identification
Matter volume is answered boundary, handwritten content and is recorded identification in scanning comparison system scanning recognition region and is taken, and with built-in scanning
Character library carries out comparison identification, records associational word number, identification region and unidentified region respectively, generates the unidentified ratio in volume face, rolls up face
Unidentified ratio=unidentified region/identification region, volume face point are unidentified than according to weight by identifying time-consuming, associational word number and volume face
It generates.
Preferably, teacher database is equipped with examination question memory module, and examination question memory module is bound with teacher's account, is also wrapped in S1
After including the selection result that teacher presets examination question, the examination question storage mould preset examination question template and be stored under corresponding teacher's account is recorded
Block.
Preferably, knowledge-ID information is stored by point in item database, and is sequentially numbered, and teacher passes through selection in S1
Number generates the selection result for presetting examination question, and cloud database sends number result to knowledge point terminal, the sheet of knowledge point terminal
Ground exam pool is deleted by identiflication number selects knowledge-ID, generates and presets examination question template.
Preferably, time-consuming, associational word number is identified in volume face point and rolls up the weight of the unidentified ratio in face according to subject setting correspondence
Initial weight, and authorize the permission of teacher's client database change initial weight, further include that volume face fraction weight is arranged in teacher in S1,
Paper roll face points-scoring system system is sent to after weight setting, paper roll face points-scoring system generates volume according to the weight of corresponding paper
Face point.
Preferably, knowledge point information corresponding by identifying the wrong topic of ratio of the scores record in S4, ratio of the scores=input
Artificial score/be manually rolled up score value, activation wrong topic knowledge point selection module when ratio of the scores is less than 1 are carried by default examination question template
Artificial selection is carried out for mistake topic knowledge point, record selection result generates the corresponding knowledge point information of group signature mistake topic.
Preferably, notes and commentary are added to by activation notes and commentary function by being manually entered word notes and commentary when ratio of the scores is less than 0.5
Examination result is reported.
Preferably, student database is equipped with notes and commentary feedback module, and notes and commentary feedback module is for recording the notes and commentary being manually entered
Feedback, and send notes and commentary and feed back to teacher database.
Preferably, mark examination papers report by matching the knowledge point selection result of student information and paper information extraction paper and being somebody's turn to do
The identical section's purpose history test result report of student, the screening error knowledge point in selection result, the class of comparison error knowledge point
Type and volume variation generate error knowledge point topic type volume and conclude, and composite score variation is that the score of each module of examination result becomes
Change, including manually rolls up score variation, the variation of machine-readable volume score and volume face score and change.
The beneficial effects of the invention are as follows：1, selection knowledge point is provided for teacher, is suitable for different progress difference learning levels
Class so that mark examination papers report it is with strong points, error knowledge point statistics it is more accurate：
2, notes and commentary module is provided, teacher can be directed to the wrong topic selection notes and commentary of group signature, add personalization to different students and build
View so that result of marking examination papers has more hommization；
3, volume face subsystem weight is arranged by teacher, and different subjects Text region difficulty difference of answering is avoided point to cause to do to volume face
It disturbs.
Description of the drawings
Fig. 1 is that a kind of cloud of the present invention is goed over examination papers the examination paper marking systems structural schematic diagram of data analysis system.
Fig. 2 is that a kind of cloud of the present invention is goed over examination papers the analysis method flow chart of data analysis system.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, a kind of cloud is goed over examination papers data analysis system, including communicate to connect between each other terminal of going over examination papers, mark examination papers
Terminal and cloud database, terminal of going over examination papers include the first storage terminal, taxonomy database and volume face terminal, taxonomy database and cloud
Client database is connected by communicating, and taxonomy database includes the default grader downloaded by marking terminal, presets grader storage
Default knowledge-ID template, the first storage terminal storage have the test question information of multiple examination questions and each examination question, each examination question
Test question information includes item colibration answer, examination question serial number, examination question score value, examination question topic type and knowledge-ID information, rolls up face terminal
Including pretreatment system, volume face identifying system and points-scoring system, points-scoring system include machine-readable points-scoring system, artificial points-scoring system and
Volume face points-scoring system, cloud database include item database, student database and teacher database, and item database is according to
Section and grade set up exam pool, and exam pool includes the knowledge-ID information of multiple examination questions and each examination question, and student database is according to
Raw student number and class number establish student's archive, and teacher database stores teacher's information, including subject of teaching, teach grade and course into
Degree, marking terminal include knowledge point terminal and scoring analysing terminal, and knowledge point terminal is connect with cloud database, knowledge point terminal
It is stored with local exam pool, knowledge point terminal generates default knowledge-ID mould by changing the knowledge-ID information of each examination question
Plate, and it is sent to terminal of going over examination papers, for analyzing each item rating, analysis method includes scoring analysing terminal：
S1:Teacher logs in cloud database before going over examination papers, and selects the knowledge point information of each examination question in exam pool, exam pool memory
The selection result of default examination question, and record and preset the corresponding test sheet numbers of examination question, selection result and test sheet numbers binding are sent
To the knowledge point terminal of marking terminal, knowledge point terminal receives selection result, and examination question template is preset in conjunction with local test database generation；Religion
Teacher can screen corresponding knowledge point, generate corresponding selection result according to the class of various teaching progress and various teaching demand,
The knowledge point outside teaching demand is effectively excluded, the statistics of error knowledge point is made to have more specific aim and validity；
S2：Terminal of going over examination papers acquires paper information and test sheet numbers, and paper information includes student information, machine-readable volume information and artificial volume
Paper information and test sheet numbers are sent to taxonomy database by information, and taxonomy database presets examination question according to test sheet numbers extraction
Template will be sent to volume face terminal after default examination question template and the binding of paper information；
S3:The pretreatment system of volume face terminal receives paper information, handles paper information, by student information scrambled record
To corresponding machine-readable volume information and artificial volume information, encrypted machine-readable volume information and encrypted artificial volume information are generated, it will
Encrypted machine-readable volume information and encrypted artificial volume information are sent to volume face points-scoring system；
S4:Machine-readable points-scoring system extracts the test question information of each examination question in encrypted machine-readable volume information, by test question information and the
Test question information in one storage terminal is compared, and corresponding machine-readable score is exported, and records wrong topic information, by mistake topic information with
Default examination question template is compared, and the corresponding knowledge point information of machine-readable volume mistake topic is recorded；
Artificial points-scoring system extracts the test question information of each examination question and corresponding default examination question mould in encrypted artificial volume information
Plate carries out group signature, records the artificial score of input and the knowledge point information that wrong topic is corresponding；
S5:The student information in encrypted machine-readable volume and encrypted artificial volume is matched, according to machine-readable score and artificial score
Composite score is generated, and is believed according to the corresponding knowledge point of the corresponding knowledge point information of machine-readable volume mistake topic and group signature mistake topic
Breath generates error knowledge point information；
S6:According to composite score and error knowledge point information, examination result report and to being uploaded to cloud database are generated
Raw database is stored；
S7:The analysing terminal that scores extracts the data of student database, passes through the comparison of examination result report and historical data, generates
Mark examination papers report, type volume conclusion that report of marking examination papers includes composite score variation and error knowledge is brought out the theme will mark examination papers and report and send respectively
It is stored to student database and teacher database.
A kind of cloud is goed over examination papers data analysis system, further includes default examination question template mark difficulty system of the teacher to generation in S1
Number, and the corresponding paper information of degree-of-difficulty factor is set, record degree-of-difficulty factor carries out corresponding student in selection result, and to student
Difficulty marks, and by matching student's difficulty mark and degree-of-difficulty factor, applies mechanically different default examination question templates.
A kind of cloud is goed over examination papers data analysis system, and volume face terminal is sent to volume face identifying system after receiving paper information in S3,
Paper is divided into electronics volume or paper roll by volume face identifying system according to the paper information format received, and electronics volume is sent to pre- place
Reason system, paper roll are sent to paper roll face points-scoring system, and paper roll face points-scoring system generates volume face to the face scoring of paper roll volume
Point, it is stored in student information, paper roll is sent to pretreatment system.
A kind of cloud is goed over examination papers data analysis system, and paper roll face points-scoring system is equipped with fuzzy diagnosis and scanning comparison system, mould
Paper roll is answered boundary for identification for paste identification, and handwritten content and identification consumption is recorded in scanning comparison system scanning recognition region
When, and comparison identification is carried out with built-in scanning character library, associational word number, identification region and unidentified region are recorded respectively, are generated
The unidentified ratio in volume face rolls up the unidentified ratio in face=unidentified region/identification region, and volume face point is by identifying time-consuming, associational word number and volume face
It is unidentified to be generated than foundation weight.
A kind of cloud is goed over examination papers data analysis system, and teacher database is equipped with examination question memory module, examination question memory module and teacher
Account is bound, and further includes recording after the selection result that teacher presets examination question and presetting examination question template and be stored in corresponding teacher in S1
Examination question memory module under account.
A kind of cloud is goed over examination papers data analysis system, and knowledge-ID information is stored by point in item database, and is sequentially numbered,
For teacher by selecting number to generate the selection result of default examination question, cloud database sends number result to knowledge point end in S1
End, the local exam pool of knowledge point terminal is deleted by identiflication number selects knowledge-ID, generates and presets examination question template.
A kind of cloud is goed over examination papers data analysis system, in volume face point identification take, associational word number and the weight for rolling up the unidentified ratio in face
Corresponding initial weight is set according to subject, and authorizes the permission of teacher's client database change initial weight, further includes religion in S1
Volume face fraction weight is arranged in teacher, is sent to paper roll face points-scoring system system after weight setting, paper roll face points-scoring system is according to right
The weight of paper is answered to generate volume face point.
A kind of cloud is goed over examination papers data analysis system, passes through the knowledge point letter for identifying that the wrong topic of ratio of the scores record is corresponding in S4
Breath, ratio of the scores=the artificial score of input/are manually rolled up score value, and the wrong topic knowledge point of activation selects mould when ratio of the scores is less than 1
Block provides wrong topic knowledge point by default examination question template and carries out artificial selection, and it is right that record selection result generates group signature mistake topic institute
The knowledge point information answered.
A kind of cloud is goed over examination papers data analysis system, and activation notes and commentary function, is commented by being manually entered word when ratio of the scores is less than 0.5
Notes and commentary are added to examination result report by note.
A kind of cloud is goed over examination papers data analysis system, and student database is equipped with notes and commentary feedback module, and notes and commentary feedback module is for remembering
The notes and commentary feedback being manually entered is recorded, and sends notes and commentary and feeds back to teacher database.
A kind of cloud is goed over examination papers data analysis system, and report of marking examination papers is by matching knowing for student information and paper information extraction paper
Know the section's purpose history test result report identical with the student of point selection result, screening error knowledge point, right in selection result
Type than knowledge point of malfunctioning and volume variation generate error knowledge point topic type volume and conclude, and composite score variation is examination knot
The score of each module of fruit changes, including manually rolls up score variation, the variation of machine-readable volume score and volume face score and change.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
- The data analysis system 1. a kind of cloud is goed over examination papers, including the terminal of going over examination papers, marking terminal and the high in the clouds number that communicate to connect between each other According to library, which is characterized in that terminal of going over examination papers includes the first storage terminal, taxonomy database and volume face terminal, taxonomy database and cloud Client database is connected by communicating, and taxonomy database includes the default grader downloaded by marking terminal, presets grader storage Default knowledge-ID template, the first storage terminal storage have the test question information of multiple examination questions and each examination question, each examination question Test question information includes item colibration answer, examination question serial number, examination question score value, examination question topic type and knowledge-ID information, rolls up face terminal Including pretreatment system, volume face identifying system and points-scoring system, points-scoring system include machine-readable points-scoring system, artificial points-scoring system and Volume face points-scoring system, cloud database include item database, student database and teacher database, and item database is according to Section and grade set up exam pool, and exam pool includes the knowledge-ID information of multiple examination questions and each examination question, and student database is according to Raw student number and class number establish student's archive, and teacher database stores teacher's information, including subject of teaching, teach grade and course into Degree, marking terminal include knowledge point terminal and scoring analysing terminal, and knowledge point terminal is connect with cloud database, knowledge point terminal It is stored with local exam pool, knowledge point terminal generates default knowledge-ID mould by changing the knowledge-ID information of each examination question Plate, and it is sent to terminal of going over examination papers, for analyzing each item rating, analysis method includes scoring analysing terminal：S1:Teacher logs in cloud database before going over examination papers, and selects the knowledge point information of each examination question in exam pool, exam pool memory The selection result of default examination question, and record and preset the corresponding test sheet numbers of examination question, selection result and test sheet numbers binding are sent To the knowledge point terminal of marking terminal, knowledge point terminal receives selection result, and examination question template is preset in conjunction with local test database generation；S2：Terminal of going over examination papers acquires paper information and test sheet numbers, and paper information includes student information, machine-readable volume information and artificial volume Paper information and test sheet numbers are sent to taxonomy database by information, and taxonomy database presets examination question according to test sheet numbers extraction Template will be sent to volume face terminal after default examination question template and the binding of paper information；S3:The pretreatment system of volume face terminal receives paper information, handles paper information, by student information scrambled record To corresponding machine-readable volume information and artificial volume information, encrypted machine-readable volume information and encrypted artificial volume information are generated, it will Encrypted machine-readable volume information and encrypted artificial volume information are sent to volume face points-scoring system；S4:Machine-readable points-scoring system extracts the test question information of each examination question in encrypted machine-readable volume information, by test question information and the Test question information in one storage terminal is compared, and corresponding machine-readable score is exported, and records wrong topic information, by mistake topic information with Default examination question template is compared, and the corresponding knowledge point information of machine-readable volume mistake topic is recorded；Artificial points-scoring system extracts the test question information of each examination question and corresponding default examination question mould in encrypted artificial volume information Plate carries out group signature, records the artificial score of input and the knowledge point information that wrong topic is corresponding；S5:The student information in encrypted machine-readable volume and encrypted artificial volume is matched, according to machine-readable score and artificial score Composite score is generated, and is believed according to the corresponding knowledge point of the corresponding knowledge point information of machine-readable volume mistake topic and group signature mistake topic Breath generates error knowledge point information；S6:According to composite score and error knowledge point information, examination result report and to being uploaded to cloud database are generated Raw database is stored；S7:The analysing terminal that scores extracts the data of student database, passes through the comparison of examination result report and historical data, generates Mark examination papers report, type volume conclusion that report of marking examination papers includes composite score variation and error knowledge is brought out the theme will mark examination papers and report and send respectively It is stored to student database and teacher database.
- The data analysis system 2. a kind of cloud according to claim 1 is goed over examination papers, which is characterized in that roll up face terminal in S3 and receive examination Volume face identifying system is sent to after volume information, paper is divided into electronics volume by volume face identifying system according to the paper information format received Or paper roll, electronics volume is sent to pretreatment system, paper roll is sent to paper roll face points-scoring system, paper roll face scoring system System generates volume face point, is stored in student information, paper roll is sent to pretreatment system to the face scoring of paper roll volume.
- The data analysis system 3. a kind of cloud according to claim 2 is goed over examination papers, which is characterized in that paper roll face points-scoring system is set There are fuzzy diagnosis and scanning comparison system, paper roll is answered boundary for identification for fuzzy diagnosis, scans comparison system scanning recognition Handwritten content and record identification in region and take, and carry out comparison identification with built-in scanning character library, record respectively associational word number, Identification region and unidentified region generate the unidentified ratio in volume face, roll up the unidentified ratio in face=unidentified region/identification region, volume face point By identifying that time-consuming, associational word number and volume face are unidentified than being generated according to weight.
- The data analysis system 4. a kind of cloud according to claim 1 is goed over examination papers, which is characterized in that teacher database is equipped with examination question Memory module, examination question memory module are bound with teacher's account, further include after the selection result that teacher presets examination question in S1, record is pre- If examination question template and the examination question memory module being stored under corresponding teacher's account.
- The data analysis system 5. a kind of cloud according to claim 1 is goed over examination papers, which is characterized in that examination question is known in item database Point information is known by a storage, and is sequentially numbered, and teacher is by selecting number to generate the selection result of default examination question, high in the clouds number in S1 Number result is sent to knowledge point terminal according to library, the local exam pool of knowledge point terminal is deleted by identiflication number selects knowledge-ID, It generates and presets examination question template.
- The data analysis system 6. a kind of cloud according to claim 3 is goed over examination papers, which is characterized in that in volume face point identification take, Corresponding initial weight is arranged according to subject in the weight of associational word number and the volume unidentified ratio in face, and authorizes the change of teacher's client database The permission of initial weight further includes that volume face fraction weight is arranged in teacher in S1, paper roll face points-scoring system is sent to after weight setting System, paper roll face points-scoring system generate volume face point according to the weight of corresponding paper.
- The data analysis system 7. a kind of cloud according to claim 1 is goed over examination papers, which is characterized in that by identifying score ratio in S4 The corresponding knowledge point information of the wrong topic of example record, ratio of the scores=the artificial score of input/are manually rolled up score value, ratio of the scores is small Wrong topic knowledge point selection module is activated when 1, providing wrong topic knowledge point by default examination question template carries out artificial selection, record selection As a result the corresponding knowledge point information of group signature mistake topic is generated.
- The data analysis system 8. a kind of cloud according to claim 7 is goed over examination papers, which is characterized in that when ratio of the scores is less than 0.5 Notes and commentary are added to examination result report by activation notes and commentary function by being manually entered word notes and commentary.
- The data analysis system 9. a kind of cloud according to claim 8 is goed over examination papers, which is characterized in that student database is equipped with notes and commentary Feedback module, notes and commentary feedback module is used to record the notes and commentary feedback being manually entered, and sends notes and commentary and feed back to teacher database.
- The data analysis system 10. a kind of cloud according to claim 1 is goed over examination papers, which is characterized in that report of marking examination papers passes through matching Student information section's purpose history test result report identical with the student with the knowledge point selection result of paper information extraction paper, The screening error knowledge point in selection result, the type of comparison error knowledge point and volume variation, generate error knowledge point topic type Volume is concluded, and composite score variation is that the score of each module of examination result changes, including manually rolls up score variation, machine-readable volume score Variation and volume face score change.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110659584A (en) * | 2019-08-30 | 2020-01-07 | 石家庄云松信息科技有限公司 | Intelligent trace marking system based on image recognition |
| CN111062843A (en) * | 2019-12-28 | 2020-04-24 | 镇江新一代信息技术产业研究院有限公司 | Teaching evaluation result analysis and collection system |
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