CN106780207B - Method and system for modifying classroom exercises - Google Patents
Method and system for modifying classroom exercises Download PDFInfo
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- CN106780207B CN106780207B CN201611033790.9A CN201611033790A CN106780207B CN 106780207 B CN106780207 B CN 106780207B CN 201611033790 A CN201611033790 A CN 201611033790A CN 106780207 B CN106780207 B CN 106780207B
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06F3/05—Digital input using the sampling of an analogue quantity at regular intervals of time, input from a/d converter or output to d/a converter
Abstract
The invention relates to a method for mutually modifying classroom exercises, which comprises the following steps of S1: the method comprises the steps that the name ID of an answerer, the answer handwriting of the answerer and the total number n of test questions of a classroom exercise are sampled in an answer sheet of the answerer; s2: classifying the answer sheets of the answerer; s3: distributing the answer sheets of the answerers to different answerers according to the classification results of the answer sheets of the answerers; s4: and the answerer judges the answer sheet according to the received answer sheet. The step of sampling the answer handwriting of the answer in the step S1 is as follows: step S11: positioning the answerer to select coordinate information for handwriting input and setting a sampling time interval; step S12: positioning coordinate information of each test question answering area of the classroom exercises; step S13: collecting sampling point information input by the handwriting of the answerer in the sampling time interval; step S14: and collecting pressure information of the handwriting input sampling points of the answering person in the sampling time interval. The invention can be changed according to the answering completion time and the completion degree.
Description
Technical Field
The invention relates to the technical field of mobile internet, in particular to a classroom exercise interaction method and system.
Background
At present, some students begin to use electronic answer sheets for testing, and paperless and electronic test paper is a future trend in the field of education. Aiming at objective questions in an answer sheet, the traditional automatic correction technology comprises a machine-readable card form and an electronic test question input form, and is high in price and complex in use process. The information-based education reform of the current school has been carried forward on schedule, the reform of classroom teaching becomes the key link of the whole education reform, the reform of teaching methods, learning modes and the like has become the focus of the education reform concerned by people, and the exercise mutual modification plays an important role in the quick detection of the learning effect of students in the interactive classroom. Aiming at an electronic test question input form, products in the market at present have no question mutual-correction function, or although the products have the question mutual-correction function, the products mostly adopt random student homework distribution to perform mutual correction, and can not distribute correction according to the specific condition strategy of student homework.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a method and a system for mutually modifying class exercises, which can be used for finishing mutual modification according to the exercise completion time and completion degree of students and achieving the purpose of modifying and learning better student homework by students with poor learning, so that the students with poor learning can obtain the thinking and the method of the students with better learning in class.
In a first aspect, the invention provides a method for modifying classroom exercises, which specifically comprises the following steps:
step S1: the method comprises the steps that the name ID of an answerer, the answer handwriting of the answerer and the total number n of test questions of a classroom exercise are sampled in an answer sheet of the answerer;
step S2: classifying the answer sheets of the answerer;
step S3: distributing the answer sheets of the answerers to different answerers according to the classification results of the answer sheets of the answerers;
step S4: and the answerer judges the answer sheet according to the received answer sheet.
Further, the step of sampling the answer handwriting of the answer in S1 is as follows:
step S11: positioning the answerer to select coordinate information for handwriting input and setting a sampling time interval;
step S12: positioning coordinate information of each test question answering area of the classroom exercises;
step S13: collecting sampling point information input by the handwriting of the answerer in the sampling time interval;
step S14: and collecting pressure information of the handwriting input sampling points of the answering person in the sampling time interval.
Further, before classifying the answer sheet of the answerer, calculating the pen moving speed of the answerer and judging the completion degree of the class exercise of the answerer, the steps comprise:
calculating the pen moving speed of each answerer according to the sampling time interval and the various point information input by the handwriting of the answerer;
and judging the completion degree of the classroom exercises of each answerer according to the coordinate information of each test question answering area and the sampling point information input by the answerer in the handwriting of each test question answering area.
Further, the step of classifying the answer sheet of the answerer comprises:
step S21: obtaining a pen moving speed information set A of m answering person answer sheets and the answering person answer sheetWhere a ═ a1，a2…ai…am}，aiThe value of the stroke speed of the answer sheet for the ith answer sheet, B ═ B1，b2…bi…bm}，biThe completion value of the answer sheet of the ith answerer;
step S22: definition set C ═ { C1，c2…ci…cmThe efficiency value of the comprehensive completion of the answer sheets of the m answers is calculated, and the value of each element in a set C is calculated, wherein Ci＝ai×bi；
Step S23: and arranging the comprehensive completion efficiency values of the answer sheets of the answerers in the set C from high to low, and dividing the comprehensive completion efficiency values into three equal parts, namely a high-level answer sheet, a middle-level answer sheet and a low-level answer sheet according to the height of the comprehensive completion efficiency values.
Further, the distribution process of the answer sheet for the respondents in S3 is as follows:
step S31: distributing any one of the high-level answer sheets to any one of the respondents of the medium-level answer sheet until all the high-level answer sheets are distributed;
step S32: distributing any one of the middle-level answer sheets to any one of the respondents of the low-level answer sheet until all the middle-level answer sheets are distributed completely;
step S33: and distributing any one of the low-level answer sheets to any one of the respondents of the high-level answer sheet until all the high-level answer sheets are distributed.
Further, the value range of any element in the completion degree information set B of the answer sheet of the answerer is more than or equal to 0 and less than or equal to BiLess than or equal to 1; when b isiWhen the value of (b) is 0, it means that there is no handwriting in the answer sheet of the answerer, and the completion of the class exercise is the lowest value, when b isiWhen the value of (1) is 1, the completion degree of the class exercise of the answerer is the highest value.
Further, b is judgediThe steps of the values are:
according to the obtained coordinate information of each test question answering area in the classroom exerciseAnd calculating the size of the answer area of each test question to obtain an answer area set D { D) of all n test questions in the answer sheet of the answer1，d2…di…dnD, defining the sum of the answer areas of the n test questions1+d2+…di+…dnA value of (d);
calculating the size of the handwriting input area of the answerer for answering each test question according to the collected sampling point information input by the answerer notes to obtain a set E { E }1，e2…ei…en}；
Calculating the proportion of each test question answering area to the sum of all test question answering areas in n test questions of the answer sheet of the answerer to obtain a set F { F1，f2…fi…fn}；
Calculating the product of the size of each test question answering area and the ratio of the sum of each test question answering area and all test question answering areas, namely d1×f1+d2×f2+…di×fi+…dn×fnTaking the value of (A);
calculating the product of the size of the handwriting input area of the answerer for answering each test question and the proportion of the test questions, namely e1×f1+e2×f2+…ei×fi+…+en×fnTaking the value of (A);
finally, the completion degree b of all the test questions in the answer sheet is obtainediA value of (d); i.e. bi＝(e1×f1+e2×f2+…ei×fi+…+en×fn)/(d1×f1+d2×f2+…di×fi+…dn×fn)。
According to the technical scheme, the classroom exercise mutual-modification method provided by the invention can sample the answer handwriting of the answerer, so that the answer speed of the answerer and the completion degree of classroom exercises can be known. And the answerers are classified according to the above, and the answerers of different types receive the test paper of answerers of other types to complete mutual modification, so that the purpose of modifying the test paper of better learning students by poorer learning students is achieved, and the thought and the method of better learning students by the poorer learning students are realized in the exercise of classroom exercises.
In a second aspect, the invention provides a classroom exercise mutual-improvement system, which comprises a sampling module, a classification module, a distribution module and a judgment module;
the sampling module is used for sampling the name ID of an answerer, the answer handwriting of the answerer and the total number n of the test questions of the classroom exercise in the answer sheet of the answerer;
the classification module is used for classifying the answer sheet of the answerer;
the distribution module is used for distributing the answer sheets of the answerers to different answerers according to the classification results of the answer sheets of the answerers;
and the judging module is used for judging the answer sheet by the answerer according to the received answer sheet.
Further, the sampling module includes: the device comprises a first positioning unit, a second positioning unit, a first sampling unit and a second sampling unit;
the first positioning unit is used for positioning coordinate information selected by the answerer for handwriting input and setting a sampling time interval;
the second positioning unit is used for positioning the coordinate information of each test question answering area of the classroom exercises;
the first sampling unit is used for collecting sampling point information input by the handwriting of the answerer in the sampling time interval;
and the second sampling unit is used for collecting pressure information of the handwriting input sampling points of the answering person in the sampling time interval.
Further, the classification module comprises a numerical value acquisition unit, a numerical value calculation unit and a numerical value arrangement and classification unit;
the numerical value obtaining unit is used for obtaining a pen running rate information set A of m answering sheet sets of the answering persons and a completion degree information set B of the answering sheet sets of the answering persons, wherein A is { a ═ a }1，a2...ai…am}，aiFor the ith question answering personValue of speed of pen-moving of answer sheet, B ═ B1，b2...bi...bm}，biThe completion value of the answer sheet of the ith answerer;
the numerical value calculation unit is used for defining a set C ═ { C ═ C1，c2...ci...cmThe efficiency value of the comprehensive completion of the answer sheets of the m answers is calculated, and the value of each element in a set C is calculated, wherein Ci＝ai×bi；
The numerical value arranging and classifying unit is used for arranging the comprehensive completion efficiency values of the answer sheets of the answerers in the set C from high to low and dividing the comprehensive completion efficiency values into three equal parts, namely a high-level answer sheet, a middle-level answer sheet and a low-level answer sheet according to the height of the comprehensive completion efficiency values.
According to the technical scheme, the classroom exercise mutual-improvement system provided by the invention is provided with the sampling module, so that the answer handwriting of an answerer can be sampled, and the answer speed of the answerer and the completion degree of classroom exercise can be known; the classification module classifies the answerers according to the sampled answerer answering speed and the completion degree of the classroom exercise; the distribution module enables different types of answerers to receive test papers of other types of answerers; and the mutual modification module enables the answerers to complete mutual modification aiming at the test paper of other types of answerers. The system can lead the students with poor learning to modify the test paper of the students with better learning, and lead the students with poor learning to obtain the thought and the method of the students with better learning in the practice of the classroom exercises.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a flow chart illustrating a method for modifying classroom exercises according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating the sampling steps of a method for modifying classroom exercises according to an embodiment of the present invention;
FIG. 3 is a block diagram illustrating a system for modifying classroom exercises according to a second embodiment of the present invention;
fig. 4 is a block diagram illustrating a structure of a sampling module of a classroom exercise modification system according to a second embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a method for modifying classroom exercises, which specifically includes the following steps:
step S1: the method comprises the steps that the name ID of an answerer, the answer handwriting of the answerer and the total number n of test questions of a classroom exercise are sampled in an answer sheet of the answerer;
step S2: classifying the answer sheets of the answerer;
step S3: distributing the answer sheets of the answerers to different answerers according to the classification results of the answer sheets of the answerers;
step S4: and the answerer judges the answer sheet according to the received answer sheet.
In this embodiment, the step of sampling the answer handwriting of the answer in S1 is as follows:
step S11: positioning the answerer to select coordinate information for handwriting input and setting a sampling time interval;
step S12: positioning coordinate information of each test question answering area of the classroom exercises;
step S13: collecting sampling point information input by the handwriting of the answerer in the sampling time interval;
step S14: and collecting pressure information of the handwriting input sampling points of the answering person in the sampling time interval.
Specifically, when the positioning answerer selects the coordinate information for handwriting input or the coordinate information for positioning each test question answering area of the classroom exercise in step S11 and step S12, the coordinate information needs to be changed according to the coordinate axis direction and the identification method of different platforms (e.g., Android system or iOS system). In this embodiment, the coordinate axes of the Android system are applied, that is, the positive direction of the X axis is rightward, and the positive direction of the Y axis is downward.
Specifically, the sampling time interval in step S13 and step S14 is set to 100ms, that is, sampling point (coordinate) information input by the handwriting of the responder is collected every 100 ms.
Specifically, the time interval for collecting the pressure information of the sample point input by the answerer in the step S14 is also set to 100ms, and the effect of the variation of the stroke thickness of the answerer can be simulated according to the pressure information of the answerer in the process of writing, so that the real handwriting of the answerer can be reflected in the test paper. Provides real sensory information for the appraiser and improves the substitution sense of the appraising work.
In one embodiment, before classifying the answer sheets of the answerer, the stroke rate of the answerer is calculated and the completion degree of the class exercises of the answerer is determined, which includes the steps of:
calculating the pen moving speed of each answerer according to the sampling time interval and the various point information input by the handwriting of the answerer;
and judging the completion degree of the classroom exercises of each answerer according to the coordinate information of each test question answering area and the sampling point information input by the answerer in the handwriting of each test question answering area.
Specifically, the calculation flow of the pen stroke rate is as follows: selecting the coordinate information of any sampling point in the question answering area of each test question, calculating the pen-moving speed of the answerer in each test question according to the distance between the sampling points and the sampling time, and finally determining the average value of the pen-moving speeds of the answerers according to the value of the total number n of the test questions, wherein the value is the pen-moving speed of the answerer in the embodiment.
In this embodiment, the step of classifying the answer sheet of the answerer includes:
step S21: acquiring a pen moving rate information set A of m answering sheet answering users and a completion degree information set B of the answering sheet answering users, wherein A is { a ═ a1，a2...ai...am}，aiThe value of the stroke speed of the answer sheet for the ith answer sheet, B ═ B1，b2...bi...bm}，biThe completion value of the answer sheet of the ith answerer;
step S22: definition set C ═ { C1，c2...ci...cmThe efficiency value of the comprehensive completion of the answer sheets of the m answers is calculated, and the value of each element in a set C is calculated, wherein Ci＝ai×bi；
Step S23: and arranging the comprehensive completion efficiency values of the answer sheets of the answerers in the set C from high to low, and dividing the comprehensive completion efficiency values into three equal parts, namely a high-level answer sheet, a middle-level answer sheet and a low-level answer sheet according to the height of the comprehensive completion efficiency values.
Specifically, when the number of answer sheets of the answerer is 6, i.e., m is 6. Wherein, the values of the elements of the stroke rate set A of the answer sheet of the answerer are {4,5,6,9,7,3}, and the values of the elements of the completion degree information set B of the answer sheet of the answerer are {0.4,0.5,0.8,0.9,0.6,0.8 }. In the step S22, the comprehensive completion efficiency value set C {0.16,0.25,0.48,0.81,0.42,0.24} of the answer sheet of the answerer is calculated according to the values of the set a and the set B. The elements of the set C are arranged from large to small to be {0.81,0.48,0.42,0.25,0.24,0.16 }. In step S23, the answer sheets with the answering efficiency values of 0.81 and 0.48 are divided into high-level answer sheets, the answer sheets with the answering efficiency values of 0.42 and 0.25 are divided into medium-level answer sheets, and the answer sheets with the answering efficiency values of 0.24 and 0.16 are divided into low-level answer sheets.
In this embodiment, the distribution process of the answer sheet for the respondents in S3 is as follows:
step S31: distributing any one of the high-level answer sheets to any one of the respondents of the medium-level answer sheet until all the high-level answer sheets are distributed;
step S32: distributing any one of the middle-level answer sheets to any one of the respondents of the low-level answer sheet until all the middle-level answer sheets are distributed completely;
step S33: and distributing any one of the low-level answer sheets to any one of the respondents of the high-level answer sheet until all the high-level answer sheets are distributed.
Specifically, in the present embodiment, the answer sheet with the answering efficiency value of 0.81 is distributed to the answering person with the answering efficiency value of 0.42; an answer sheet with an answerer answering efficiency value of 0.48 is distributed to an answerer with an answerer answering efficiency value of 0.25. All high-level answer sheets are respectively sent to the answering persons of any middle-level answer sheet.
Distributing the answer sheet with the answering efficiency value of 0.42 to the answering person with the answering efficiency value of 0.24; distributing the answer sheet with the answering efficiency value of 0.25 to the part of the answerer with the answering efficiency value of 0.16; all the answer sheets of the middle level are respectively sent to the answering persons of any answer sheet of the low level.
Distributing the answer sheet with the answering efficiency value of 0.24 to the part of the answerer with the answering efficiency value of 0.81; an answer sheet with an answerer efficiency value of 0.16 is distributed to an answerer with an answerer efficiency value of 0.48. All the low-level answer sheets are respectively sent to the answering persons of any high-level answer sheet.
In the first embodiment of the present invention, the processing is to determine the answer sheet level determined by the answer efficiency value calculated by using the answer handwriting track as a factor to determine the exercise completeness and the answer speed, and set a low-level batch modification middle-level, middle-level batch modification high-level, high-level batch modification low-level hierarchical batch modification strategy, and perform distribution and mutual modification by using the strategy. On the basis of finishing the mutual improvement of homework, the embodiment of the invention adds the layering according to the student answer results and distributes the answer sheets according to the layering results, so that the students at a lower level can refer to the solution thinking and method of the students at a higher level through the process of changing the answer sheets, and the learning efficiency of the students is further improved.
In this embodiment, the taking of any one element in the completion information set B of the answer sheet of the answererThe value range is 0-biLess than or equal to 1; when b isiWhen the value of (b) is 0, it means that there is no handwriting in the answer sheet of the answerer, and the completion of the class exercise is the lowest value, when b isiWhen the value of (1) is 1, the completion degree of the class exercise of the answerer is the highest value.
In the first embodiment, b is determinediThe steps of the values are:
according to the obtained coordinate information of the answer area of each test question in the classroom exercises, calculating the size of the answer area of each test question to obtain an answer area set D { D) of all n test questions in the answer sheet of the answerer1，d2…di…dnD, defining the sum of the answer areas of the n test questions1+d2+…di+…dnA value of (d);
calculating the size of the handwriting input area of the answerer for answering each test question according to the collected sampling point information input by the answerer notes to obtain a set E { E }1，e2…ei…en}；
Calculating the proportion of each test question answering area to the sum of all test question answering areas in n test questions of the answer sheet of the answerer to obtain a set F { F1，f2…fi…fn}；
Calculating the product of the size of each test question answering area and the ratio of the sum of each test question answering area and all test question answering areas, namely d1×f1+d2×f2+…di×fi+…dn×fnTaking the value of (A);
calculating the product of the size of the handwriting input area of the answerer for answering each test question and the proportion of the test questions, namely e1×f1+e2×f2+…ei×fi+…+en×fnTaking the value of (A);
finally, the completion degree b of all the test questions in the answer sheet is obtainediA value of (d); i.e. bi＝(e1×f1+e2×f2+…ei×fi+…+en×fn)/(d1×f1+d2×f2+…di×fi+…dn×fn)。
Specifically, when the number of answer sheets in the present embodiment is 5 (i.e. n is 5), each element of the answer area set D in the answer sheet of the answerer takes on {20,15,25,20,20}, and the sum D of the answer areas of all 5 questions is D1+d2+…di+…dnThe value of (d) is 20+15+25+20+20 to 100.
In this embodiment, values of elements in the area size set E for the arbitrary answerer to answer each of the 5 test questions are {10,15,15,18,20 }.
In the first embodiment, the ratio of each test question answering area to the sum of all test question answering areas in n test questions of an answer sheet of an answerer is calculated to obtain a set F. In this embodiment, values of the elements in the set F are {0.2,0.15,0.3,0.4,0.2 }.
In the first embodiment, the completion degree b of all the test questions in the answer sheet is finally obtained according to the size of the handwriting input area of the answerer for answering each test question multiplied by the proportion of the test questionsiA value of (d); bi＝(10×0.2+15×0.15+15×0.3+18×0.4+20×0.2)/(20×0.2+15×0.15+25×0.3+20×0.4+20×0.2)。
B is calculated in the first embodimentiThe value of (A) is 0.77.
The method for changing the classroom exercises provided by the embodiment 1 of the invention can sample the handwriting of the answerer, so as to know the answering speed of the answerer and the completion degree of the classroom exercise. And the answerers are classified according to the above, and the answerers of different types receive the test paper of answerers of other types to complete mutual modification, so that the purpose of modifying the test paper of better students by poorer students is achieved, the thought and the method of better students by poorer students in the exercise of classroom exercises are obtained, and the learning efficiency of the students is improved.
As shown in fig. 3 and 4, a second embodiment of the present invention provides a system for modifying classroom exercises, which includes a sampling module 1, a classification module 2, a distribution module 3, and a judgment module 4;
the sampling module 1 is used for sampling the name ID of an answerer, the answer handwriting of the answerer and the total number n of the test questions of a classroom exercise in the answer sheet of the answerer;
the classification module 2 is used for classifying the answer sheet of the answerer;
the distribution module 3 is used for distributing the answer sheets of the answerers to different answerers according to the classification results of the answer sheets of the answerers;
and the judging module 4 is used for judging the answer sheet by the answerer according to the received answer sheet.
In a second embodiment, the sampling module includes: the device comprises a first positioning unit, a second positioning unit, a first sampling unit and a second sampling unit;
the first positioning unit is used for positioning coordinate information selected by the answerer for handwriting input and setting a sampling time interval;
the second positioning unit is used for positioning the coordinate information of each test question answering area of the classroom exercises;
the first sampling unit is used for collecting sampling point information input by the handwriting of the answerer in the sampling time interval;
and the second sampling unit is used for collecting pressure information of the handwriting input sampling points of the answering person in the sampling time interval.
In the second embodiment, the classification module includes a value obtaining unit, a value calculating unit, and a value arranging and classifying unit;
the numerical value obtaining unit is used for obtaining a pen running rate information set A of m answering sheet sets of the answering persons and a completion degree information set B of the answering sheet sets of the answering persons, wherein A is { a ═ a }1，a2…ai…am}，aiThe value of the stroke speed of the answer sheet for the ith answer sheet, B ═ B1，b2...bi...bm}，biThe completion value of the answer sheet of the ith answerer;
the numerical value calculation unit is used for defining a set C ═ { C ═ C1，c2…ci…cmThe efficiency value of the comprehensive completion of the answer sheets of the m answers is calculated and a set C is calculatedThe value of each element in (1), wherein Ci＝ai×bi；
The numerical value arranging and classifying unit is used for arranging the comprehensive completion efficiency values of the answer sheets of the answerers in the set C from high to low and dividing the comprehensive completion efficiency values into three equal parts, namely a high-level answer sheet, a middle-level answer sheet and a low-level answer sheet according to the height of the comprehensive completion efficiency values.
The classroom exercise mutual-improvement system provided by the second embodiment of the invention is provided with the sampling module, so that the answer handwriting of an answerer can be sampled, and the answer speed of the answerer and the completeness of classroom exercises can be known; the classification module classifies the answerers according to the sampled answerer answering speed and the completion degree of the classroom exercise; the distribution module enables different types of answerers to receive test papers of other types of answerers; and the mutual modification module enables the answerers to complete mutual modification aiming at the test paper of other types of answerers. The system can lead the students with poor learning to modify the test paper of the students with better learning, and lead the students with poor learning to obtain the thought and the method of the students with better learning in the practice of the classroom exercises.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. A mutual modification method of classroom exercises is characterized by comprising the following steps:
step S1: the method comprises the steps that the name ID of an answerer, the answer handwriting of the answerer and the total number n of test questions of a classroom exercise are sampled in an answer sheet of the answerer;
step S2: classifying the answer sheets of the answerer;
step S3: distributing the answer sheets of the answerers to different answerers according to the classification results of the answer sheets of the answerers;
step S4: the answerer judges the answer sheet according to the received answer sheet;
wherein the step of classifying the answer sheet of the answerer comprises:
step S21: acquiring a pen moving rate information set A of m answering sheet answering users and a completion degree information set B of the answering sheet answering users, wherein A is { a ═ a1，a2…ai…am}，aiThe value of the stroke speed of the answer sheet for the ith answer sheet, B ═ B1，b2…bi…bm}，biThe completion value of the answer sheet of the ith answerer;
step S22: definition set C ═ { C1，c2…ci…cmThe efficiency value of the comprehensive completion of the answer sheets of the m answers is calculated, and the value of each element in a set C is calculated, wherein Ci＝ai×bi；
Step S23: and arranging the comprehensive completion efficiency values of the answer sheets of the answerers in the set C from high to low, and dividing the comprehensive completion efficiency values into three equal parts, namely a high-level answer sheet, a middle-level answer sheet and a low-level answer sheet according to the height of the comprehensive completion efficiency values.
2. The method for improving classroom exercises as claimed in claim 1, wherein the step of sampling the answer scripts of the answerers in step S1 is as follows:
step S11: positioning the answerer to select coordinate information for handwriting input and setting a sampling time interval;
step S12: positioning coordinate information of each test question answering area of the classroom exercises;
step S13: collecting sampling point information input by the handwriting of the answerer in the sampling time interval;
step S14: and collecting pressure information of the handwriting input sampling points of the answering person in the sampling time interval.
3. The method of claim 1, wherein the calculating of the stroke rate and the determining of the completion of the classroom exercise of the answerer before the classifying of the answer sheets of the answerer comprises the steps of:
calculating the pen moving speed of each answerer through sampling time intervals and various point information input by the handwriting of the answerer;
and judging the completion degree of the classroom exercises of each answerer according to the coordinate information of each test question answering area and the sampling point information input by the answerer in the handwriting of each test question answering area.
4. The classroom exercise modification method as claimed in claim 1, wherein the distribution of the answer sheets of the respondents in S3 is as follows:
step S31: distributing any one of the high-level answer sheets to any one of the respondents of the medium-level answer sheet until all the high-level answer sheets are distributed;
step S32: distributing any one of the middle-level answer sheets to any one of the respondents of the low-level answer sheet until all the middle-level answer sheets are distributed completely;
step S33: and distributing any one of the low-level answer sheets to any one of the respondents of the high-level answer sheet until all the low-level answer sheets are distributed.
5. The method of claim 1, wherein the method comprises: the value range of any element in the completion degree information set B of the answer sheet of the answerer is more than or equal to 0 and less than or equal to BiLess than or equal to 1; when b isiWhen the value of (b) is 0, it means that there is no handwriting in the answer sheet of the answerer, and the completion of the class exercise is the lowest value, when b isiWhen the value of (1) is 1, the completion degree of the class exercise of the answerer is the highest value.
6. The method of claim 5, wherein b is determinediThe steps of the values are:
according to the obtained coordinate information of the answer area of each test question in the classroom exercises, calculating the size of the answer area of each test question to obtain an answer area set D { D) of all n test questions in the answer sheet of the answerer1，d2…di…dnD, defining the sum of the answer areas of the n test questions1+d2+…di+…dnA value of (d);
calculating the size of the handwriting input area of the answerer for answering each test question according to the collected sampling point information input by the answerer notes to obtain a set E { E }1，e2…ei…en}；
Calculating the proportion of each test question answering area to the sum of all test question answering areas in n test questions of the answer sheet of the answerer to obtain a set F { F1，f2…fi…fn}；
Calculating the product of the size of each test question answering area and the ratio of the sum of each test question answering area and all test question answering areas, namely d1×f1+d2×f2+…di×fi+…dn×fnTaking the value of (A);
calculating the product of the size of the handwriting input area of the answerer for answering each test question and the proportion of the test questions, namely e1×f1+e2×f2+…ei×fi+…+en×fnTaking the value of (A);
finally, the completion degree b of all the test questions in the answer sheet is obtainediA value of (d); i.e. bi＝(e1×f1+e2×f2+…ei×fi+…+en×fn)/(d1×f1+d2×f2+…di×fi+…dn×fn)。
7. A classroom exercise mutual improvement system is characterized by comprising a sampling module, a classification module, a distribution module and a judgment module;
the sampling module is used for sampling the name ID of an answerer, the answer handwriting of the answerer and the total number n of the test questions of the classroom exercise in the answer sheet of the answerer;
the classification module is used for classifying the answer sheet of the answerer;
the distribution module is used for distributing the answer sheets of the answerers to different answerers according to the classification results of the answer sheets of the answerers;
the judging module is used for judging the answer sheet by the answerer according to the received answer sheet;
the classification module comprises a numerical value acquisition unit, a numerical value calculation unit and a numerical value arrangement and classification unit;
the numerical value obtaining unit is used for obtaining a pen running rate information set A of m answering sheet sets of the answering persons and a completion degree information set B of the answering sheet sets of the answering persons, wherein A is { a ═ a }1，a2…ai…am}，aiThe value of the stroke speed of the answer sheet for the ith answer sheet, B ═ B1，b2…bi…bm}，biThe completion value of the answer sheet of the ith answerer;
the numerical value calculation unit is used for defining a set C ═ { C ═ C1，c2…ci…cmThe efficiency value of the comprehensive completion of the answer sheets of the m answers is calculated, and the value of each element in a set C is calculated, wherein Ci＝ai×bi；
The numerical value arranging and classifying unit is used for arranging the comprehensive completion efficiency values of the answer sheets of the answerers in the set C from high to low and dividing the comprehensive completion efficiency values into three equal parts, namely a high-level answer sheet, a middle-level answer sheet and a low-level answer sheet according to the height of the comprehensive completion efficiency values.
8. The system of claim 7, wherein the sampling module comprises: the device comprises a first positioning unit, a second positioning unit, a first sampling unit and a second sampling unit;
the first positioning unit is used for positioning coordinate information selected by the answerer for handwriting input and setting a sampling time interval;
the second positioning unit is used for positioning the coordinate information of each test question answering area of the classroom exercises;
the first sampling unit is used for collecting sampling point information input by the handwriting of the answerer in the sampling time interval;
and the second sampling unit is used for collecting pressure information of the handwriting input sampling points of the answering person in the sampling time interval.
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