CN108682214A - A kind of higher mathematics synthetic instruction interactive system Internet-based and exchange method - Google Patents
A kind of higher mathematics synthetic instruction interactive system Internet-based and exchange method Download PDFInfo
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Abstract
The invention belongs to instructional technology field, discloses a kind of higher mathematics synthetic instruction interactive system Internet-based and exchange method, the higher mathematics synthetic instruction interactive system Internet-based include：User log-in block, central control module, knowledge point enquiry module, formula detection module, on-line testing module, corrects module, evaluation module at authority management module.The present invention more can accurately obtain including finally the text filed of mathematical formulae by formula detection module, improve the accuracy for whether including mathematical formulae in detection image；Each step of answer answer is set to have unique mark by correcting module simultaneously, computer-internal is facilitated to correct each step of answer answer, whether each step to determine answer answer is correct, and specific mistake is in which step, meet and manually correct standard and custom to calculation question, equation topic, using inscribing these mathematical problems, the method is reasonable.
Description
Technical field
The invention belongs to instructional technology field more particularly to a kind of higher mathematics synthetic instruction interaction Internet-based systems
System and exchange method.
Background technology
Higher mathematics is more deep algebra, geometry and the intersection content institute shape between them by infinitesimal calculus
At a basic subject.Main contents include：The limit, calculus, interspace analytic geometry and linear algebra, series, ordinary differential
Equation.The basic subject that industry science, graduate student of science are taken an examination.However, existing high number image formula detection can not ensure the standard of detection
True property；The automatic of existing mathematical problem corrects the main matching that number or symbol are carried out using fuzzy algorithmic approach simultaneously, is only capable of being based on
The objective items such as multiple-choice question or gap-filling questions are corrected in the answer that student fills in, and the subjective items such as solution answer can not then be criticized automatically
Change.
In conclusion problem of the existing technology is：Existing high number image formula detection can not ensure the accurate of detection
Property；The automatic of existing mathematical problem corrects the matching that number or symbol are mainly carried out using fuzzy algorithmic approach simultaneously, is only capable of based on
The objective items such as multiple-choice question or gap-filling questions are corrected in the raw answer filled in, and the subjective items such as solution answer can not then be criticized automatically
Change.
The managerial ability of prior art database backup is weaker, and information resources are not fully utilized；It cannot be quick and precisely
Information interference is arranged, it is accurate to cannot ensure to be in charge of information；Meanwhile the resolution ratio of image is relatively low, cannot accomplish to acquire image problem essence
Standard is made troubles profit to learning aid.
Invention content
In view of the problems of the existing technology, the present invention provides a kind of higher mathematics synthetic instructions Internet-based to hand over
Mutual system and exchange method.
The invention is realized in this way a kind of higher mathematics synthetic instruction interactive system Internet-based includes：
User log-in block, authority management module, central control module, knowledge point enquiry module, formula detection module,
Line test module corrects module, evaluation module；
User log-in block is connect with central control module, and register is carried out for User and teacher users；
Authority management module is connect with central control module, the account permission different with teacher for allocating management of student；
Central control module, with user log-in block, authority management module, knowledge point enquiry module, formula detection module,
On-line testing module corrects module, evaluation module connection, for controlling modules normal work；
Knowledge point enquiry module, connect with central control module, for inquiring higher mathematics knowledge point；
Formula detection module, connect with central control module, for detecting the mathematical formulae operation in identification image；
On-line testing module, connect with central control module, is tested for carrying out high number knowledge to student online；
Module is corrected, is connect with central control module, for being corrected automatically to the test of student's high number；
Evaluation module is connect with central control module, for carrying out comprehensive score to student and teaching.
A kind of higher mathematics synthetic instruction exchange method Internet-based includes the following steps：
Step 1 makes User and teacher users carry out register by user log-in block；Pass through rights management
Module assignment manages student's account permission different with teacher；
Step 2, central control module scheduling knowledge points enquiry module inquire higher mathematics knowledge point；
Step 3 detects the mathematical formulae in identification image by formula detection module and operates；Pass through on-line testing module
High number knowledge is carried out to student online to test；
Step 4 automatically corrects the test of student's high number by correcting module；
Step 5 carries out comprehensive score by evaluation module to student and teaching.
Further, the formula detection module detection method is as follows：
First, image to be detected is obtained；
Secondly, text segmentation is carried out to described image to be detected, obtained multiple text filed；
Then, by the multiple text filed input variable for being sequentially inputted to trained first convolutional neural networks
In, export the text filed comprising mathematical formulae of multiple roughings；
Finally, the roughing is input to trained second convolutional neural networks comprising the text filed of mathematical formulae
Input variable in, output is finally text filed comprising mathematical formulae.
Further, described to correct module to correct method as follows：
(1) topic and model answer information of mathematical problem are pre-stored；
(2) the answer pictorial information that student fills in is obtained；
(3) the corresponding answer answer of the topic is obtained according to the answer pictorial information, and the answer answer is turned
It is changed to unified formatted file；
(4) each step addition index marker for the answer answer for being converted to unified formatted file is given；
(5) the answer answer for adding index marker to step according to the model answer information is corrected, and is exported and criticized
Change result.
Further, the evaluation module includes student assessment module, evaluation of teacher's module；
Student assessment module, for being listened to the teacher action and expression, teacher and student communication, practice examination question number and survey according to student
Topic of having a try achievement, Students ' Comprehensive appraisal result is provided according to every weight；
Evaluation of teacher's module, for teachers' instruction action and expression, teacher and student communication and test examination question achievement, according to each
Item weight provides teacher's comprehensive score result.
Advantages of the present invention and good effect are：The present invention obtains image to be detected by formula detection module, to be checked
Altimetric image carries out text segmentation, obtains multiple text filed；Text filed it is sequentially inputted to trained first convolution by multiple
In the input variable of neural network, the text filed comprising mathematical formulae of multiple roughings is exported；Roughing is public comprising mathematics
The text filed of formula is input in the input variable of trained second convolutional neural networks, then can export finally public comprising mathematics
Formula it is text filed.By image to be detected be divided into it is multiple it is text filed after be input in convolutional neural networks, first to text area
Domain carries out roughing, then to the text filed mode screened again for including mathematical formulae that roughing goes out, can be more accurate
It obtains including finally the text filed of mathematical formulae, the accuracy for whether including mathematical formulae in detection image is improved；Simultaneously
It is shot the answer answer that student fills in obtain answer pictorial information by correcting module, be obtained from answer pictorial information
Answer answer is converted to unified formatted file, computer is facilitated to be identified and correct answer answer by answer answer；It answers
The each step for inscribing answer adds index marker, so that each step of answer answer is had unique mark, facilitates computer-internal
Each step of answer answer is corrected, whether each step to determine answer answer is correct, and specific mistake is at which
A step meets and manually corrects standard and custom to calculation question, equation topic, using inscribing these mathematical problems, and the method is reasonable.
A kind of higher mathematics synthetic instruction interactive system Internet-based provided by the invention and exchange method, Ke Yiti
The managerial ability and resource utilization of high DB Backup；Information interference can be quick and precisely arranged with exclusive PCR information, it is ensured that point
Pipe information is accurate；FCM image segmentations make the resolution ratio for improving image, and acquisition image problem is accurate, are convenient for the answer of learning aid
With exchange.
Description of the drawings
Fig. 1 is that the present invention implements the higher mathematics synthetic instruction exchange method flow chart Internet-based provided.
Fig. 2 is that the present invention implements the higher mathematics synthetic instruction interactive system structure diagram Internet-based provided.
In Fig. 2：1, user log-in block；2, authority management module；3, central control module；4, knowledge point enquiry module；
5, formula detection module；6, on-line testing module；7, module is corrected；8, evaluation module.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Below in conjunction with the accompanying drawings and specific embodiment is further described the application principle of the present invention.
As shown in Figure 1, a kind of higher mathematics synthetic instruction interactive system Internet-based provided by the invention and interaction
Method includes the following steps：
Step S101 makes User and teacher users carry out register by user log-in block；Pass through permission pipe
Manage the module assignment management student account permission different with teacher；
Step S102, central control module scheduling knowledge points enquiry module inquire higher mathematics knowledge point；
Step S103 detects the mathematical formulae in identification image by formula detection module and operates；Pass through on-line testing mould
Block carries out high number knowledge to student online and tests；
Step S104 automatically corrects the test of student's high number by correcting module；
Step S105 carries out comprehensive score by evaluation module to student and teaching.
As shown in Fig. 2, higher mathematics synthetic instruction interactive system Internet-based provided by the invention includes：User steps on
Record module 1, authority management module 2, central control module 3, knowledge point enquiry module 4, formula detection module 5, on-line testing mould
Block 6 corrects module 7, evaluation module 8.
User log-in block 1 is connect with central control module 3, and register is carried out for User and teacher users；
Authority management module 2 is connect with central control module 3, the account power different with teacher for allocating management of student
Limit；
Central control module 3 is detected with user log-in block 1, authority management module 2, knowledge point enquiry module 4, formula
Module 5, on-line testing module 6 correct module 7, the connection of evaluation module 8, for controlling modules normal work；
Knowledge point enquiry module 4 is connect with central control module 3, for inquiring higher mathematics knowledge point；
Formula detection module 5 is connect with central control module 3, for detecting the mathematical formulae operation in identification image；
On-line testing module 6 is connect with central control module 3, is tested for carrying out high number knowledge to student online；
Module 7 is corrected, is connect with central control module 3, for being corrected automatically to the test of student's high number；
Evaluation module 8 is connect with central control module 3, for carrying out comprehensive score to student and teaching.
5 detection method of formula detection module provided by the invention is as follows：
First, image to be detected is obtained；
Secondly, text segmentation is carried out to described image to be detected, obtained multiple text filed；
Then, by the multiple text filed input variable for being sequentially inputted to trained first convolutional neural networks
In, export the text filed comprising mathematical formulae of multiple roughings；
Finally, the roughing is input to trained second convolutional neural networks comprising the text filed of mathematical formulae
Input variable in, output is finally text filed comprising mathematical formulae.
Provided by the invention state corrects module 7 to correct method as follows：
(1) topic and model answer information of mathematical problem are pre-stored；
(2) the answer pictorial information that student fills in is obtained；
(3) the corresponding answer answer of the topic is obtained according to the answer pictorial information, and the answer answer is turned
It is changed to unified formatted file；
(4) each step addition index marker for the answer answer for being converted to unified formatted file is given；
(5) the answer answer for adding index marker to step according to the model answer information is corrected, and is exported and criticized
Change result.
Evaluation module 8 provided by the invention includes student assessment module, evaluation of teacher's module；
Student assessment module, for being listened to the teacher action and expression, teacher and student communication, practice examination question number and survey according to student
Topic of having a try achievement, Students ' Comprehensive appraisal result is provided according to every weight；
Evaluation of teacher's module, for teachers' instruction action and expression, teacher and student communication and test examination question achievement, according to each
Item weight provides teacher's comprehensive score result.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (5)
1. a kind of higher mathematics synthetic instruction interactive system Internet-based, which is characterized in that the height Internet-based
Equal mathematical synthesis teaching interaction system includes：
User log-in block, authority management module, central control module, knowledge point enquiry module, formula detection module, online survey
Die trial block corrects module, evaluation module；
User log-in block is connect with central control module, and register is carried out for User and teacher users；
Authority management module is connect with central control module, the account permission different with teacher for allocating management of student；
Central control module, with user log-in block, authority management module, knowledge point enquiry module, formula detection module, online
Test module corrects module, evaluation module connection, for controlling modules normal work；
Knowledge point enquiry module, connect with central control module, for inquiring higher mathematics knowledge point；
Formula detection module, connect with central control module, for detecting the mathematical formulae operation in identification image；
On-line testing module, connect with central control module, is tested for carrying out high number knowledge to student online；
Module is corrected, is connect with central control module, for being corrected automatically to the test of student's high number；
Evaluation module is connect with central control module, for carrying out comprehensive score to student and teaching.
2. a kind of higher mathematics synthetic instruction exchange method Internet-based as described in claim 1, which is characterized in that institute
Higher mathematics synthetic instruction exchange method Internet-based is stated to include the following steps：
Step 1 makes User and teacher users carry out register by user log-in block；Pass through authority management module
Allocate management of student's account permission different with teacher；
Step 2, central control module scheduling knowledge points enquiry module inquire higher mathematics knowledge point；
Step 3 detects the mathematical formulae in identification image by formula detection module and operates；It is online by on-line testing module
High number knowledge test is carried out to student；
Step 4 automatically corrects the test of student's high number by correcting module；
Step 5 carries out comprehensive score by evaluation module to student and teaching.
3. higher mathematics synthetic instruction interactive system Internet-based as described in claim 1, which is characterized in that the public affairs
Formula detection module detection method is as follows：
First, image to be detected is obtained；
Secondly, text segmentation is carried out to described image to be detected, obtained multiple text filed；
Then, by it is the multiple it is text filed be sequentially inputted in the input variable of trained first convolutional neural networks, it is defeated
Go out the text filed comprising mathematical formulae of multiple roughings；
Finally, the roughing is input to the defeated of trained second convolutional neural networks comprising the text filed of mathematical formulae
Enter in variable, output is finally text filed comprising mathematical formulae.
4. higher mathematics synthetic instruction interactive system Internet-based as described in claim 1, which is characterized in that described batch
Changing module, to correct method as follows：
(1) topic and model answer information of mathematical problem are pre-stored；
(2) the answer pictorial information that student fills in is obtained；
(3) the corresponding answer answer of the topic is obtained according to the answer pictorial information, and the answer answer is converted to
Unified formatted file；
(4) each step addition index marker for the answer answer for being converted to unified formatted file is given；
(5) the answer answer for adding index marker to step according to the model answer information is corrected, and is exported and corrected knot
Fruit.
5. higher mathematics synthetic instruction interactive system Internet-based as described in claim 1, which is characterized in that institute's commentary
Valence module includes student assessment module, evaluation of teacher's module；
Student assessment module, for being tried according to listen to the teacher action and expression, teacher and student communication, practice examination question number and test of student
Achievement is inscribed, Students ' Comprehensive appraisal result is provided according to every weight；
Evaluation of teacher's module is weighed for teachers' instruction action and expression, teacher and student communication and test examination question achievement according to items
Teacher's comprehensive score result is provided again.
The user log-in block includes personal information archive module, base module, learning aid backup module, database recovery
Module；
The database recovery module includes that data restore block, database backup information update module；Carrying out practically is such as
Under：
Data restore block, if location information of the backup point of recovery time point t in table study is as follows
The node f ＇ of all f ＇ .tid=t ＇, f ＇ .lid≤ln and f ＇ .rid >=rn in table study are then searched for, and will be in result set
All elements are arranged by f ＇ .lid ascending orders, as the recovery sequence of database.
Database information updating：If the bkid of end member is k in backup chainn, then update operation is after disaster recovery：
Step 1：Search for all f.bkid=k in table studynNode
Step 2：Generate a new identification information iw。
The authority management module carries out account to Faculty and Students and is in charge of processing, including jamproof system, quick and precisely row's letter
Breath interference, it is ensured that be in charge of that information is accurate, the error code of system is corrected using RS codings：
Step 1：Generator polynomial
Step 2：Message polynomial
M (x)=mk-1xk-1+mk-2xk-2+…+m1x1+m0
Therefore, shifting out the codeword polynome after RS is encoded onto is：
C (x)=xn-kM (x)+h (x)=xn-km(x)+[xn-kM (x)] modg (x) wherein, α be galois field GF (2m)={ 0, α 0,
α1..., α2m-2, t is that RS encodes the error coded number that can be corrected.
The detection module includes formula detection module and test pattern module, and the test pattern module includes FCM images point
Module is cut, the FCM image segmentation modules include initialization module, factor determining module, mutation operation module, iterative calculation；
The initialization module：According to the requirement of image segmentation, the determination initialized to image is needed, and to the ginseng of needs
Number is initialized, and by the cluster centre of histogram；
The factor determining module；According to the fitness function of construction, factor determination is carried out, fitness determines：
F=a/ (b+J)
Wherein, a, b are adjustable parameter, the object function that J is；
Mutation operation module；Variable quantity before and after individual is 0.5q (q/D), data q be generated in defined section it is random
Number, D are the maximum algebraically calculated；
Iterate to calculate module：New fuzzy membership matrix will be obtained by new cutting data, generate new cutting parameter, return
It returns factor determination and is iterated calculating, the segmentation of image is completed in the termination until completing condition.
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| CN109886093A (en) * | 2019-01-08 | 2019-06-14 | 深圳禾思众成科技有限公司 | A kind of formula detection method, equipment and computer readable storage medium |
| CN109886851A (en) * | 2019-02-22 | 2019-06-14 | 科大讯飞股份有限公司 | Mathematical problem corrects method and device |
| CN110046807A (en) * | 2019-03-29 | 2019-07-23 | 成都乐陪信息科技有限公司 | Teachers'Growth evaluation method and system based on electronic record appraisal management |
| CN110070769A (en) * | 2019-04-25 | 2019-07-30 | 汤志浩 | A kind of higher mathematics synthetic instruction interactive system Internet-based |
| CN110598642A (en) * | 2019-09-16 | 2019-12-20 | 杭州大拿科技股份有限公司 | Calculation question online exercise method, device, equipment and storage medium |
| CN110648262A (en) * | 2019-09-16 | 2020-01-03 | 怀化学院 | Teaching system for mathematical thinking training and data processing method |
| CN111159419A (en) * | 2019-12-09 | 2020-05-15 | 浙江师范大学 | Knowledge tracking data processing method, system and storage medium based on graph convolution |
| WO2020155118A1 (en) * | 2019-02-01 | 2020-08-06 | 姜淇宁 | Teaching test item matching method, apparatus and device |
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