CN110555427A - automatic scoring method, system, equipment and storage medium for writing standardization - Google Patents
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Abstract
the application discloses a method, a system, equipment and a storage medium for automatically scoring writing standardization, which comprise the following steps: extracting the feature to be scored of the written characters in the test paper to be scored; inputting the features to be scored into a preset scoring model to obtain the normative score of the written character; wherein the feature to be scored comprises at least one of a writing cleanliness feature, a writing position feature, and a writing uniformity feature. The writing neatness of the test paper affects the overall grading of the surface of the paper, while in the existing test paper correcting mode, the automatic correcting device mode lacks a neatness grading mechanism, and in the manual paper marking mode, the neatness of the test paper is comprehensively considered, but the accuracy, the fairness and the stability are not ideal. The application provides an automatic scoring method for writing standardization, which is used for scoring various to-be-scored characteristics of the writing standardization in the test paper response to realize automatic scoring of the writing standardization.
Description
Technical Field
The invention relates to the technical field of image data processing, in particular to an automatic scoring method, a system, computer equipment and a computer readable storage medium for writing normalization.
Background
The examination scores of students are influenced by the tidiness of examination papers, the answers are standard, the fonts are beautiful, the surface of the examination papers is clean, and the examination papers are beneficial for teachers to read the examination papers. The untidy and standard answers sometimes influence the correctness of the student questions.
in the prior art, the evaluation of the writing smoothness of the test paper is manually evaluated, for example, the influence of the writing smoothness is comprehensively considered in the process of scoring by manual marking, but the manual evaluation process has strong subjectivity and low efficiency; in addition, the accuracy, fairness, stability and the like of manual writing smoothness evaluation are also to be improved.
disclosure of Invention
the invention aims to provide a method, a system, a computer device and a computer readable storage medium for automatically grading writing standardization of a response paper.
In order to solve the technical problem, the invention provides an automatic scoring method for writing standardization, which comprises the following steps:
Extracting the feature to be scored of the written characters in the test paper to be scored;
Inputting the features to be scored into a preset scoring model to obtain the normative score of the written character;
Wherein the feature to be scored comprises at least one of a writing cleanliness feature, a writing position feature, and a writing uniformity feature.
optionally, the step of extracting the feature to be scored of the written character in the test paper to be scored includes:
when the feature to be scored is the writing tidy feature, extracting the number of smearing areas of answer areas containing smearing characters and the total number of answer areas containing writing characters;
When the feature to be scored is the writing position feature, extracting the number of standard answer areas for answering in a preset standard answer area and the total number of answer areas containing writing characters;
And when the feature to be scored is the writing symmetrical feature, extracting the height values of all answer areas containing writing characters and the total number of the answer areas containing the writing characters, calculating to obtain the average height value of all the answer areas containing the writing characters, and extracting the number of height standard areas within a preset difference interval with the average height value according to the average height value.
Optionally, the step of inputting the feature to be scored into a preset scoring model to obtain a normative score of the written character includes:
Inputting the number of the smearing areas and the total number of the answer areas into the scoring model, and obtaining writing tidy scores according to the number of the smearing areas and the total number of the answer areas;
Inputting the number of the standard answer areas and the total number of the answer areas into the scoring model, and obtaining writing standard scores according to the number of the standard answer areas and the total number of the answer areas;
and inputting the number of the height standard areas and the total number of the answer areas into the scoring model, and obtaining writing uniform scoring according to the number of the height standard areas and the total number of the answer areas.
Optionally, the step of inputting the number of the smearing regions and the total number of the answer regions into the scoring model, and obtaining the score of writing cleanliness according to the number of the smearing regions and the total number of the answer regions includes:
taking the ratio of the number of the smearing areas to the total number of the answer areas as the writing tidy score;
the step of inputting the number of the standard answer areas and the total number of the answer areas into the scoring model and obtaining writing standard scores according to the number of the standard answer areas and the total number of the answer areas comprises the following steps:
Taking the ratio of the number of the standard answer areas to the total number of the answer areas as the writing standard score;
The step of inputting the number of the height standard areas and the total number of the answer areas into the scoring model and obtaining writing symmetry scoring according to the number of the height standard areas and the total number of the answer areas comprises the following steps:
and taking the ratio of the number of the height standard areas to the total number of the answer areas as the writing symmetry score.
Optionally, the step of inputting the feature to be scored into a preset scoring model to obtain a normative score of the written character includes:
And the normative score is obtained by the writing tidiness score, the writing normative score and the writing symmetry score according to a preset proportion.
optionally, the step of obtaining the normalization score according to a preset ratio from the writing smoothness score, the writing normalization score and the writing symmetry score includes:
The normative score is a writing tidiness score multiplied by a first ratio, a writing normative score multiplied by a second ratio, a writing symmetrical score multiplied by a third ratio, the preset ratio comprises a first ratio, a second ratio and a third ratio, the first ratio, the second ratio and the third ratio are preset standard values, and the first ratio > the second ratio > the third ratio.
Optionally, the step of extracting the number of the smearing regions of the answer region containing the smearing characters and the total number of the answer regions containing the writing characters includes:
detecting whether smearing characters which are the same as specific characters representing smearing traces exist in the answer area, and if yes, taking the answer area where the smearing characters are located as a smearing area;
And scanning the test paper to be evaluated, and identifying all the smearing areas in the test paper to be evaluated to obtain the total number of the smearing areas.
Optionally, the step of extracting the number of the normative answer areas to be answered in the preset normative answer area and the total number of the answer areas containing the written characters includes:
extracting information of the answer area, judging whether the answer area is in a preset standard answer area, if so, determining that the answer area is the standard answer area;
Scanning the test paper to be evaluated, and identifying all the standard answer areas in the test paper to be evaluated to obtain the total number of the standard answer areas;
The preset standard answer area comprises a blank filling answer area and an answer solving answer area, the blank filling answer area is arranged in the printed body, and the blank solving answer area is arranged behind the printed body.
optionally, when the feature to be scored is the writing symmetry feature, extracting height values of all answer areas containing written characters and the total number of the answer areas containing the written characters, calculating to obtain an average height value of all answer areas containing the written characters, and extracting the number of height specification areas within a preset difference interval from the average height value, where the height specification areas and the average height value are within the preset difference interval, includes:
When the feature to be scored is the writing symmetrical feature, extracting height values of all answer areas containing written characters;
Comparing the height value h of each answer area containing the written characters to obtain a maximum height value hmax and a minimum height value hmin;
Equally dividing [ hmin, hmax ] into n intervals [ hmin, h1 ], [ h1, h2), [ …, [ hn-1, hmax ], calculating to obtain the number of all answer area height values respectively falling into the n intervals, selecting the interval [ hk1, hk2 ] with the largest height value falling into the interval number, and taking the arithmetic mean value of hk1 and hk2 as the average height value.
Optionally, the extracting features to be scored of the written characters in the test paper to be scored includes:
recognizing the position of a written character by taking a continuous line in the test paper to be evaluated as a frame unit, wherein the line is a writing frame;
And acquiring the features to be scored in each writing body frame.
Optionally, after the step of inputting the feature to be scored into a preset scoring model to obtain a normative score of the written character, the method further includes:
And displaying the normative score in a form of a statistical chart.
The application also provides an automatic scoring system for writing the normative, comprising:
The device comprises an extraction module, a storage module and a processing module, wherein the extraction module is used for extracting the features to be scored of the written characters in the test paper to be scored, and the features to be scored comprise at least one of writing clean features, writing position features and writing uniform features;
and the scoring module is used for inputting the features to be scored into a preset scoring model and obtaining the standard degree score of the written character.
the application also provides a computer device, which comprises a memory and a processor, wherein the memory stores a computer program, and the processor realizes the steps of the automatic scoring method for the writing normalization degree when executing the computer program.
the present application further provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the automatic scoring method for writing normality as in any one of the above.
The invention provides an automatic scoring method, a system, equipment and a computer readable storage medium for writing normalization, wherein the writing neatness of a test paper can influence the overall scoring of the surface of the paper, while in the existing test paper correcting mode, a neatness scoring mechanism is lacked in an automatic correcting device mode, and in a manual marking mode, the neatness of the test paper can be comprehensively considered, but the accuracy, the fairness and the stability are not ideal. The invention provides an automatic scoring method for writing standardization, which is used for scoring various characteristics to be scored of the writing standardization in the test paper response so as to realize the automatic scoring of the writing standardization.
drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a flow chart of an automatic scoring method for writing normality according to an embodiment of the present application;
FIG. 2 is a flowchart of extracting features to be scored and scoring models in the automatic scoring method for writing normality according to the embodiment of the present application;
FIG. 3 is a detailed flowchart of a scoring model in the automatic scoring method for writing normality according to the embodiment of the present application;
FIG. 4 is a detailed flowchart of normalization scoring in the automatic normalization scoring method according to the embodiment of the present application;
FIG. 5 is a flowchart illustrating a smearing region determination method according to an embodiment of the present disclosure;
Fig. 6 is a flowchart of determining a normative answer area in the automatic scoring method for writing normative in the embodiment of the present application;
FIG. 7 is a flowchart illustrating an average height calculation method according to an embodiment of the present disclosure;
FIG. 8 is a flowchart illustrating the process of defining a writing style box in the automatic scoring method for writing normality according to the embodiment of the present application;
FIG. 9 is a further flowchart of an automatic scoring method for writing normality according to an embodiment of the present application;
FIG. 10 is a block diagram of an automatic scoring system for writing normality according to an embodiment of the present application;
FIG. 11 is a block diagram of a computer device for writing normalization in an embodiment of the present application.
Detailed Description
the core of the invention is to provide an automatic grading method, a system, equipment and a computer readable storage medium for writing standardization, which can more objectively remind students to pay attention to the neat and standardized answering by grading the writing standardization of the answering test paper.
in order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The embodiment of the invention can be used for the examination paper reading scenes, in particular to the automatic grading of the writing standardization degree in the examination paper reading scenes, wherein the types of the examination paper include but are not limited to common subjects such as Chinese, mathematics and English, and professional examinations such as official examinations and patent agency examinations. The test paper reviewing scene related to the embodiment of the present invention may be a test paper reviewing scene, a scoring scene, or the like in the test paper reviewing software or the learning terminal, or may be other test paper reviewing scenes, and the embodiment of the present invention is not limited.
The automatic scoring method for writing normalization provided by the embodiment of the invention, as shown in fig. 1, comprises the following steps:
S100: extracting the feature to be scored of the written characters in the test paper to be scored, wherein the feature to be scored comprises at least one of writing clean feature, writing position feature and writing symmetrical feature.
In particular, the feature to be scored may be a judgable criterion in terms of writing specifications of the written character, such as: a writing neatness feature, a writing position feature, a writing uniformity feature, and the like. When the features to be scored are extracted, the written characters and the printed forms can be detected and recognized through the pre-trained text detection recognition model, and then all the features of the written characters are extracted. More specifically, in the embodiment, the standardization of the written characters is judged from three aspects of writing neatness, writing position and writing uniformity, the feature to be evaluated comprises at least one, and the composition of the feature to be evaluated can be adjusted according to practical application to obtain relatively objective and comprehensive evaluation.
S300: and inputting the features to be scored into a preset scoring model to obtain the standard degree score of the written character.
Specifically, the scoring model can be constructed in advance or in the scoring process. And the scoring model respectively obtains writing standardization scores corresponding to different features according to the input features to be scored.
Specifically, the writing neatness feature, the writing position feature, and the writing uniformity feature are three features having score representativeness summarized in the process of correcting the test paper for many times. The writing neatness characteristic refers to whether the test paper has smearing or illegible written characters, and when the student answers without smearing or with less smearing, the paper surface is cleaner. The writing position characteristic indicates that the answering position is in a specified range, students need to answer in a specified answering area, and the area which the students should answer is judged according to the position of the printing form, for example: the questions are of a fill-in type, and the answering area should be in the same line with the questions but should not be sandwiched between the questions; the question of the answer is solved, and the answer area is arranged below the question. The writing uniformity characteristic refers to the fluctuation condition of the size of the written characters, the size of the written characters is uniform, and the scroll is neater and more beautiful.
The embodiment of the invention provides an automatic scoring method for writing normalization, in the process of correcting a test paper, the writing smoothness of the test paper can influence the integral scoring of the surface of the test paper, while in the existing test paper correcting mode, an automatic correcting device mode lacks a smoothness scoring mechanism, and in a manual marking mode, although the smoothness of the test paper can be comprehensively considered, the accuracy, the fairness and the stability are not ideal. The embodiment provides an automatic scoring method for writing standardization, which is used for scoring each feature to be scored of the writing standardization in the answer of a test paper to realize automatic scoring of the writing standardization.
Alternatively, as shown in fig. 2, step S100 includes:
S110: and when the feature to be scored is the writing tidy feature, extracting the number of smearing areas of answer areas containing smearing characters and the total number of answer areas containing writing characters.
specifically, when the feature to be scored is a writing tidiness feature, taking whether smearing exists or not as a judgment standard, all answer areas containing written characters are extracted, wherein the answer areas containing the smeared characters are marked as smearing areas.
s120: and when the feature to be scored is the writing position feature, extracting the number of the standard answer areas for answering in the preset standard answer area and the total number of the answer areas containing the writing characters.
Specifically, when the feature to be scored is the writing position feature, whether the answering area is standard or not is used as the criterion, all the answering areas containing writing characters are marked firstly, and compared with the standard answering area, the answering area which is partially or completely beyond the standard answering area is marked as the standard answering area.
s130: and when the feature to be scored is the writing symmetrical feature, extracting the height values of all answer areas containing writing characters and the total number of the answer areas containing the writing characters, calculating to obtain the average height value of all the answer areas containing the writing characters, and extracting the number of height standard areas within a preset difference interval with the average height value according to the average height value.
specifically, when the feature to be scored is writing symmetrical feature, taking whether the height of the written character is average or not as the criterion, extracting all answer areas containing the written character and calculating the average height value hAverageAnd a predetermined difference interval is predetermined, for example, by an average height hAverageIs one eighth of the preset difference value, then [ h ]Average×(1-0.125),haverage×(1+0.125)]and comparing the standard interval to obtain a height standard area falling into a preset difference interval. The answer area is divided in units of continuous lines, and the average height value is the average height value of a single line of written characters.
The automatic scoring method for the writing standardization of the embodiment is specifically directed at the extraction process of the features to be scored, when the features to be scored are writing clean features, whether coated characters exist or not is used as parameters of the extraction process, when the features to be scored are writing position features, whether written characters are in a standardized answer area or not is used as parameters of the extraction process, when the features to be scored are writing uniform features, whether written characters are in a height standard area in a preset difference value interval or not is used as parameters of the extraction process, and the parameters which accord with the features to be scored are reasonably selected. S110, S120, and S130 are not steps performed in sequence, and may be performed in parallel or selectively. The automatic scoring method of the embodiment is more accurate and comprehensive.
alternatively, as shown in fig. 2, step S300 includes:
S310: and inputting the number of the smearing areas and the total number of the answer areas into a scoring model, and obtaining writing tidy scoring according to the number of the smearing areas and the total number of the answer areas.
Specifically, the factors for judging the writing tidiness score are the number of smearing areas and the total number of answering areas.
S320: and inputting the number of the standard answer areas and the total number of the answer areas into a scoring model, and obtaining writing standard scoring according to the number of the standard answer areas and the total number of the answer areas.
specifically, the factors for judging the writing standard score are the number of the standard answering areas and the total number of the answering areas.
S330: and inputting the number of the height standard areas and the total number of the answer areas into the scoring model, and obtaining writing uniform scoring according to the number of the height standard areas and the total number of the answer areas.
Specifically, the factors for judging writing uniformity score are the number of the height specification areas and the total number of the answering areas.
the automatic scoring method for writing normalization of the present embodiment further refines the above embodiments, and S310, S320, and S330 are not steps performed in sequence, and may be performed in parallel and selectively. The characteristics to be scored refined in the embodiment are input into the scoring model, so that the normative score obtained by the calculation of the scoring model is more accurate and more comprehensive.
Alternatively, as shown in fig. 3, step S310 includes:
S311: and taking the ratio of the number of the smearing areas to the total number of the answer areas as a writing tidiness score.
Specifically, in the scoring model, the writing tidiness SCORE is calculated by the ratio of the number of the smearing regions to the total number of the answer regions, wherein the writing tidiness SCORE1 is 1-the number of the smearing regions/the total number of the answer regions, and similarly, the writing tidiness SCORE1 is the number of the non-smearing regions/the total number of the answer regions.
step S320 includes:
s321: and taking the ratio of the number of the standard answer areas to the total number of the answer areas as writing standard scores.
Specifically, in the scoring model, the writing standard SCORE is calculated by the ratio of the number of the standard answer areas to the total number of the answer areas, and the writing standard SCORE2 is the number of the standard answer areas/the total number of the answer areas.
Step S330 includes:
S331: and taking the ratio of the number of the height standard areas to the total number of the answer areas as writing symmetry scores.
specifically, the writing symmetry SCORE in the scoring model is calculated by the ratio of the number of height specification areas to the total number of answer areas, and the writing symmetry SCORE3 is the number of height specification areas/total number of answer areas.
the automatic scoring method for writing normality of the embodiment further refines the embodiment, the refined feature to be scored in the embodiment is input into a scoring model, the ratio of the number of the answer areas meeting the standard to the number of the whole answer areas is used as the specific score of the scoring of the corresponding normality, and S311, S321 and S331 are not steps executed in sequence and can be executed in parallel and selectively. The automatic scoring method of the embodiment is more accurate and comprehensive.
optionally, as shown in fig. 4, the normative score corresponds to the total number of the answer areas, and there may be multiple scoring criteria, and step S300 specifically includes:
S310': the standard degree score is obtained by writing neat score, writing standard score and writing uniform score according to a preset proportion.
specifically, the writing neatness score, the writing standard score and the writing uniform score in the standard degree score correspond to the writing neatness feature, the writing position feature and the writing uniform feature in the total number of the answer areas, the writing neatness score is evaluated by the writing neatness feature, the writing standard score is evaluated by the writing position feature, and the writing uniform score is evaluated by the writing uniform feature.
The automatic scoring method for the writing normalization of the embodiment further refines the scoring of the normalization, wherein the writing cleanness scoring, the writing normalization scoring and the writing symmetry scoring correspond to writing cleanness characteristics, writing position characteristics and writing symmetry characteristics in the characteristics to be scored, one characteristic to be scored corresponds to one normalization scoring, and the automatic scoring method of the embodiment is more accurate and more comprehensive.
Alternatively, as shown in fig. 4, step S310' includes:
S311': the normalized score is a writing tidiness score multiplied by a first ratio, a writing normative score multiplied by a second ratio, a writing symmetricity score multiplied by a third ratio, the preset ratio includes a first ratio, a second ratio and a third ratio, the first ratio, the second ratio and the third ratio are preset standard values, and the first ratio > the second ratio > the third ratio.
Specifically, the writing neatness score, the writing standard score and the writing symmetry score have different proportions in the standardization score, the standardization score is a preset standard value which is a writing neatness score multiplied by a first ratio, a writing standard score multiplied by a second ratio, a writing symmetry score multiplied by a third ratio, and the preset standard value can be 1, 10 or 100.
In the automatic scoring method for writing the normative, the preset proportion is the first ratio, the second ratio and the third ratio, the ratio in the preset proportion can be adjusted according to the importance degree of each feature to be scored in the actual application subject, the preset standard value is a score system presented by the final normative score, and in general, the standard value is 100, the normative score is a percentage system, the full score of the normative score is 100 at this time, that is, the writing tidiness score, the full score of the writing normative score and the writing normative score is 100, and the preset standard value can be set arbitrarily according to the actual application. The automatic scoring method of the embodiment is more specific and practical.
alternatively, as shown in fig. 5, the step S110 includes:
s111: and detecting whether the answer area has the same smearing character as the specific character representing the smearing trace, and if so, taking the answer area where the smearing character is located as the smearing area.
Specifically, the smearing character and the common character are recognized as the same recognition model, the smearing character is recognized as a special character, and the special character represents a 'smeared character'.
s112: and scanning the test paper to be scored, and identifying all smearing areas in the test paper to be scored to obtain the total number of the smearing areas.
Specifically, the answer area containing the scribbled character is marked as the scribbled area.
In the automatic scoring method for writing normalization of the embodiment, a method for judging and identifying a smearing region, which is an important judgment factor of a writing cleanness characteristic in a characteristic to be scored, is specifically described, smeared characters also include characters which are difficult to identify due to improper writing and are all identified as special characters, special identification symbols of the special characters can be set, and professional technicians in the field can set the special identification symbols by themselves. The automatic scoring method of the embodiment is more specific and practical.
Optionally, as shown in fig. 6, step 120 includes:
S121: extracting information of the answer area, judging whether the answer area is in a preset standard answer area, if so, the answer area is the standard answer area, wherein the preset standard answer area comprises a blank filling answer area and an answer solving answer area, the blank filling area is in a blank position in a printed body, and the blank position of the answer area behind the printed body is solved.
S122: and scanning the test paper to be evaluated, and identifying all the standard answer areas in the test paper to be evaluated to obtain the total number of the standard answer areas.
specifically, the standard answer area is judged according to the position of a printing form in the test paper to be evaluated, and whether a blank area needs to be reserved or not and whether the blank area enters the range of the printing form or not is determined by the specific test paper. The blank filling type questions specifically refer to the type of questions with less answer content and answer areas in the printed form, specifically, the blank filling type questions can be questions such as blank filling, selection, judgment and the like in the test paper, and the answer areas of the blank filling type questions should be in the same line with the questions or at the end of the questions and not more than one line; the answering questions are questions with more answering contents and answering areas behind printed matters, specifically, the questions can be questions such as simple answers, application, answers and the like in the test paper, and the answering areas of the answering questions are below the questions or corresponding to the blank of the next page.
In the automatic scoring method for writing normalization of the embodiment, a judgment standard and a method for a normalized answer area, which are important judgment factors for writing position characteristics in characteristics to be scored, are described in detail. The automatic scoring method of the embodiment is more specific and practical.
Alternatively, as shown in fig. 7, the step S130 includes:
S131: and when the feature to be scored is the writing symmetrical feature, extracting the height values of all answer areas containing written characters.
S132: and comparing the maximum height value hmax and the minimum height value hmin according to the height value h of each answer area containing the written characters.
S133: equally dividing [ hmin, hmax ] into n intervals [ hmin, h1 ], [ h1, h2), [ …, [ hn-1, hmax ], calculating to obtain the number of all answer area height values respectively falling into the n intervals, selecting the interval [ hk1, hk2 ] with the largest height value falling into the interval number, and taking the arithmetic mean value of hk1 and hk2 as the average height value.
Specifically, the answer area needs to be identified according to lines, the answer area is divided into units based on one line, and answer handwriting beyond the range can be individually identified into one line. When the answer area is detected, the single line is taken as a unit, the answer area can lead the continuous written character frames in the same line to be in the same answer area, and the printed forms are the same. The height value h of each answering area is calculated by the position information of the answering area containing the written characters.
In the automatic scoring method for writing normalization of the embodiment, a method for calculating an average height value, which is an important judgment factor of writing symmetry features in features to be scored, is specifically described, whether writing symmetry refers to the height and width of written characters, the average height value is selected as a judgment standard of writing symmetry in the embodiment, and the automatic scoring method of the embodiment is more specific and practical.
optionally, as shown in fig. 8, step S100 further includes:
S100 a: and recognizing the position of the written character by taking a continuous line in the test paper to be evaluated as a frame unit, wherein the line is a writing frame.
s100 b: and acquiring the features to be scored of each writing body frame.
specifically, the frame body is marked by taking a continuous line as a unit, so that the region to be scored and the feature to be scored can be obtained more clearly. When the frame needs to be displayed on the interface, the frame body for defining the printing body and writing characters can be selected with different colors for distinguishing.
In the automatic scoring method for the writing normalization of the embodiment, the writing characters in the test paper are marked out of the frame body according to continuous behavior units, the frame body is directly used as a unit during scoring, and the process of extracting the features to be scored and scoring is clearer. The automatic scoring method of the embodiment is more accurate and practical.
optionally, as shown in fig. 9, after step S300, the method further includes:
s400: and displaying the normative score in a form of a statistical chart.
Specifically, the proportion of each index in the standard degree score can be displayed in the form of a bar chart or a radar chart and the like, so that the method is clear.
In the automatic scoring method for writing normalization of the embodiment, the scoring composition of writing normalization is expressed in a multi-dimensional manner by using the statistical chart, and the defect of writing normalization is clear at a glance. If the statistical chart is sent to the students or the students score by themselves to obtain the statistical chart, the students can clearly and intuitively know the writing defects of the students, the defects can be improved more pertinently, and the students are helped to improve the neat and normative degree of answering.
the present application also provides an automatic scoring system for writing normality, as shown in fig. 10, the automatic scoring system includes:
the extraction module 10 is used for extracting the features to be scored of the written characters in the test paper to be scored;
and the scoring module 20 is used for inputting the features to be scored into a preset scoring model and obtaining the normative score of the written character, wherein the features to be scored comprise at least one of a writing tidy feature, a writing position feature and a writing symmetrical feature.
the embodiment of the invention provides an automatic scoring system for writing standardization, in the process of correcting a test paper, the writing smoothness of the test paper can influence the integral scoring of the surface of the test paper, in the existing test paper correcting mode, a smoothness scoring mechanism is lacked in an automatic correcting device mode, and in a manual marking mode, the accuracy, fairness and stability are not ideal. The embodiment provides an automatic scoring system for writing the standardization, which scores all the features to be scored of the writing standardization in answering the test paper to realize the automatic scoring of the writing standardization.
specifically, the extraction module 10 includes:
and the writing tidiness characteristic extraction submodule extracts the number of smearing areas of the answer area containing the smearing characters and the total number of the answer area containing the writing characters when the characteristic to be scored is the writing tidiness characteristic.
And the writing position characteristic extraction submodule extracts the number of the standard answering areas for answering in the preset standard answering area and the total number of the answering areas containing the writing characters when the characteristic to be scored is the writing position characteristic.
And the writing uniformity characteristic extraction submodule extracts the height values of all answer areas containing writing characters and the total number of the answer areas containing the writing characters when the characteristics to be scored are writing uniformity characteristics, calculates to obtain the average height values of all the answer areas containing the writing characters, and extracts the number of height standard areas in a preset difference interval with the average height values according to the average height values.
Specifically, the scoring module 20 includes:
And the writing tidy scoring submodule inputs the number of the smearing areas and the total number of the answer areas into a scoring model, and writing tidy scoring is obtained according to the number of the smearing areas and the total number of the answer areas.
And the writing standard scoring submodule inputs the number of the standard answer areas and the total number of the answer areas into a scoring model and obtains writing standard scoring according to the number of the standard answer areas and the total number of the answer areas.
and the writing uniformity scoring submodule inputs the number of the height standard areas and the total number of the answer areas into a scoring model and obtains writing uniformity scoring according to the number of the height standard areas and the total number of the answer areas.
Specifically, the writing neatness scoring submodule includes:
and the writing neatness scoring unit takes the ratio of the number of the smearing areas to the total number of the answering areas as writing neatness scoring.
the writing specification scoring submodule comprises:
And the writing standard scoring unit takes the ratio of the number of the standard answer areas to the total number of the answer areas as writing standard scoring.
the writing symmetry scoring submodule comprises:
And the writing uniformity scoring unit takes the ratio of the number of the height standard areas to the total number of the answer areas as writing uniformity scoring.
Specifically, the scoring module 20 further includes:
And the grading presetting submodule is used for obtaining the standard grade by writing neat grade, writing standard grade and writing uniform grade according to a preset proportion.
Specifically, the score presetting sub-module includes:
the scoring ratio presetting unit is used for presetting a normalization score which is writing neatness score multiplied by a first ratio, writing normalization score multiplied by a second ratio and writing normalization score multiplied by a third ratio, wherein the presetting ratio comprises a first ratio, a second ratio and a third ratio, the first ratio, the second ratio and the third ratio are preset standard values, and the first ratio is larger than the second ratio and larger than the third ratio.
specifically, the extract writing uncluttered feature sub-module includes:
And the smearing region judging unit is used for detecting whether smearing characters identical to specific characters representing smearing traces exist in the answer region or not, and if yes, taking the answer region where the smearing characters are located as the smearing region.
And the smearing region counting unit is used for scanning the test paper to be evaluated and identifying all smearing regions in the test paper to be evaluated to obtain the total number of the smearing regions.
Specifically, the sub-module for extracting the writing position features comprises:
the standard answer area judging unit extracts information of the answer area, judges whether the answer area is in a preset standard answer area or not, and if the answer area is in the preset standard answer area, the answer area is the standard answer area, wherein the preset standard answer area comprises a blank filling answer area and an answer solving area, the blank filling area is in a printed body, and the blank filling area is behind the printed body.
And the standard answer area counting unit is used for scanning the test paper to be evaluated, identifying all the standard answer areas in the test paper to be evaluated and obtaining the total number of the standard answer areas.
Specifically, the sub-module for extracting writing symmetrical features comprises:
and the height value extraction unit is used for extracting the height values of all answer areas containing written characters when the features to be scored are the writing symmetrical features.
And the height value comparison unit is used for comparing the maximum height value hmax and the minimum height value hmin according to the height value h of each answer area containing the written characters.
And an average height value calculation unit which equally divides [ hmin, hmax ] into n sections [ hmin, h1 ], [ h1, h2 ], … and [ hn-1, hmax ], calculates the number of the height values of all answer areas respectively falling into the n sections, selects the section [ hk1, hk2 ] with the largest number of the height values falling into the sections, and takes the arithmetic mean value of hk1 and hk2 as the average height value.
Specifically, the extraction module 10 further includes:
And the writing body frame recognition sub-module recognizes the position of the written character by taking a continuous line in the test paper to be evaluated as a frame unit, and the line is a writing body frame.
and the writing body frame characteristic acquisition submodule acquires the characteristics to be scored in each writing body frame.
specifically, the automatic scoring system includes, in addition to the extracting module 10 and the scoring module 20:
And the display module is used for displaying the standard degree score in a statistical chart form.
The automatic scoring system of this embodiment is configured to implement the aforementioned automatic scoring method, and therefore specific implementation manners in the automatic scoring system can be found in the embodiment parts of the automatic scoring method in the foregoing, for example, the extracting module 10 and the scoring module 20 are respectively configured to implement steps S100 and S300 in the automatic scoring method, so that the specific implementation manners thereof may refer to descriptions of corresponding respective part embodiments, and are not described herein again.
The system provided by the application can automatically score the writing cleanliness of the test paper to be scored, so that a user is helped to evaluate the paper or improve the cleanliness, and the automatic scoring of the writing cleanliness is realized.
the present application further provides a computer device, as shown in fig. 11, including a memory 1 and a processor 2, where the memory 1 stores a computer program, and the processor 2 implements the steps of any one of the above-mentioned automatic scoring methods for writing normality when executing the computer program.
the memory 1 includes at least one type of readable storage medium, which includes a flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a magnetic memory, a magnetic disk, an optical disk, and the like. The memory 1 may in some embodiments be an internal storage unit of the read-through identification correction device, for example a hard disk. The memory 1 may also be an external storage device of the automatic scoring system in other embodiments, such as a plug-in hard disk, a Smart Memory Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like. Further, the memory 1 may also include both an internal storage unit of the automatic scoring system and an external storage device. The memory 1 may be used not only to store application software installed in the automatic scoring system and various kinds of data, such as codes of an automatic scoring program, etc., but also to temporarily store data that has been output or is to be output.
the processor 2 may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor or other data Processing chip in some embodiments, and is used for executing program codes stored in the memory 1 or Processing data, such as executing an automatic scoring program.
the computer equipment provided by the application can automatically score the writing tidiness of the test paper to be scored, so that a user is helped to evaluate the paper or improve the tidiness, and the automatic scoring of the writing tidiness is realized.
The present application further provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the automatic scoring method for writing normality as in any one of the above.
the automatic scoring system, the computer device and the computer readable storage medium for writing the normative degree provided by the application correspond to the method. It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the apparatus, and the computer-readable storage medium described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In summary, the present application provides an automatic scoring method, system, computer device and computer readable storage medium for writing normalization, in the process of correcting a test paper, the writing smoothness of the test paper affects the overall scoring of the paper surface, whereas in the existing test paper correcting mode, the automatic correcting device mode lacks a smoothness scoring mechanism, and in the manual marking mode, although the smoothness of the test paper is comprehensively considered, the accuracy, fairness and stability are not ideal. The application provides a method, system, computer equipment and the readable storage medium of automatic scoring of writing the normality, wait to grade the characteristic through writing each item of normality in answering to the paper and grade, the multidimension degree realizes writing the automation of normality comprehensively and grades, has more pertinence, practicality and automation, when grading the writing normality and feeding back to the student, can remind the student to pay attention to the clean and tidy norm of answering, help the student promote the writing normality of answering.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The present invention provides a method, system, device and computer readable storage medium for automatically scoring writing normality. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (14)
1. an automatic scoring method for writing normalization is characterized by comprising the following steps:
extracting the feature to be scored of the written characters in the test paper to be scored;
inputting the features to be scored into a preset scoring model to obtain the normative score of the written character;
wherein the feature to be scored comprises at least one of a writing cleanliness feature, a writing position feature, and a writing uniformity feature.
2. the automatic scoring method for writing normality according to claim 1, wherein the step of extracting the feature to be scored of the written character in the test paper to be scored includes:
when the feature to be scored is the writing tidy feature, extracting the number of smearing areas of answer areas containing smearing characters and the total number of answer areas containing writing characters;
When the feature to be scored is the writing position feature, extracting the number of standard answer areas for answering in a preset standard answer area and the total number of answer areas containing writing characters;
And when the feature to be scored is the writing symmetrical feature, extracting the height values of all answer areas containing writing characters and the total number of the answer areas containing the writing characters, calculating to obtain the average height value of all the answer areas containing the writing characters, and extracting the number of height standard areas within a preset difference interval with the average height value according to the average height value.
3. The automatic scoring method for writing normality according to claim 2, wherein the step of inputting the feature to be scored into a preset scoring model to obtain the normality score of the written character comprises:
inputting the number of the smearing areas and the total number of the answer areas into the scoring model, and obtaining writing tidy scores according to the number of the smearing areas and the total number of the answer areas;
Inputting the number of the standard answer areas and the total number of the answer areas into the scoring model, and obtaining writing standard scores according to the number of the standard answer areas and the total number of the answer areas;
and inputting the number of the height standard areas and the total number of the answer areas into the scoring model, and obtaining writing uniform scoring according to the number of the height standard areas and the total number of the answer areas.
4. the automatic scoring method for writing normalization according to claim 3, wherein the step of inputting the number of the smearing regions and the total number of the answer regions into the scoring model and obtaining the score of writing completeness according to the number of the smearing regions and the total number of the answer regions comprises the steps of:
Taking the ratio of the number of the smearing areas to the total number of the answer areas as the writing tidy score;
The step of inputting the number of the standard answer areas and the total number of the answer areas into the scoring model and obtaining writing standard scores according to the number of the standard answer areas and the total number of the answer areas comprises the following steps:
Taking the ratio of the number of the standard answer areas to the total number of the answer areas as the writing standard score;
the step of inputting the number of the height standard areas and the total number of the answer areas into the scoring model and obtaining writing symmetry scoring according to the number of the height standard areas and the total number of the answer areas comprises the following steps:
and taking the ratio of the number of the height standard areas to the total number of the answer areas as the writing symmetry score.
5. The automatic scoring method for writing normality according to claim 3 or 4, wherein the step of inputting the feature to be scored into a preset scoring model to obtain the normality score of the written character comprises the following steps:
And the normative score is obtained by the writing tidiness score, the writing normative score and the writing symmetry score according to a preset proportion.
6. The automatic scoring method for writing normality according to claim 5, wherein the step of obtaining said normality score from said writing smoothness score, said writing normality score and said writing symmetry score according to a preset ratio comprises:
the normative score is a writing tidiness score multiplied by a first ratio, a writing normative score multiplied by a second ratio, a writing symmetrical score multiplied by a third ratio, the preset ratio comprises a first ratio, a second ratio and a third ratio, the first ratio, the second ratio and the third ratio are preset standard values, and the first ratio > the second ratio > the third ratio.
7. The automatic scoring method for writing normalization according to claim 2 or 3, wherein the step of extracting the number of smear regions of the answer region containing smear characters and the total number of answer regions containing written characters comprises:
Detecting whether smearing characters which are the same as specific characters representing smearing traces exist in the answer area, and if yes, taking the answer area where the smearing characters are located as a smearing area;
And scanning the test paper to be evaluated, and identifying all the smearing areas in the test paper to be evaluated to obtain the total number of the smearing areas.
8. the automatic scoring method for writing normality according to claim 2, wherein the step of extracting the number of normalized question answering areas to answer in the preset normalized question answering area and the total number of question answering areas containing written characters comprises:
Extracting information of the answer area, judging whether the answer area is in a preset standard answer area, if so, determining that the answer area is the standard answer area;
Scanning the test paper to be evaluated, and identifying all the standard answer areas in the test paper to be evaluated to obtain the total number of the standard answer areas;
The preset standard answer area comprises a blank filling answer area and an answer solving answer area, the blank filling answer area is arranged at the blank position in the printed body, and the blank position of the answer solving answer area behind the printed body is arranged.
9. the automatic scoring method for writing standardization according to any one of claims 2 to 4, wherein when the feature to be scored is the writing symmetry feature, the steps of extracting the height values of all the answer areas containing written characters and the total number of the answer areas containing written characters, calculating to obtain the average height value of all the answer areas containing written characters, and extracting the number of height standardization areas within a preset difference interval from the average height value include:
When the feature to be scored is the writing symmetrical feature, extracting height values of all answer areas containing written characters;
Comparing the height value h of each answer area containing the written characters to obtain a maximum height value hmax and a minimum height value hmin;
equally dividing [ hmin, hmax ] into n intervals [ hmin, h1 ], [ h1, h2), [ …, [ hn-1, hmax ], calculating to obtain the number of all answer area height values respectively falling into the n intervals, selecting the interval [ hk1, hk2 ] with the largest height value falling into the interval number, and taking the arithmetic mean value of hk1 and hk2 as the average height value.
10. the automatic scoring method for writing normality according to claim 1, wherein the extracting features to be scored of the written characters in the test paper to be scored includes:
Recognizing the position of a written character by taking a continuous line in the test paper to be evaluated as a frame unit, wherein the line is a writing frame;
and acquiring the features to be scored in each writing body frame.
11. The automatic scoring method for writing normality according to claim 1, wherein after the step of inputting the feature to be scored into a preset scoring model to obtain the normality score of the written character, the method further comprises:
and displaying the normative score in a form of a statistical chart.
12. An automatic scoring system for writing normality, the automatic scoring system comprising:
the device comprises an extraction module, a storage module and a processing module, wherein the extraction module is used for extracting the features to be scored of the written characters in the test paper to be scored, and the features to be scored comprise at least one of writing clean features, writing position features and writing uniform features;
and the scoring module is used for inputting the features to be scored into a preset scoring model and obtaining the standard degree score of the written character.
13. A computer device comprising a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the automatic scoring method for writing normality of any one of claims 1 to 11 when executing the computer program.
14. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method for automatically scoring a writing norm according to any one of claims 1 to 11.
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