CN110968277B - Answer sheet generation method - Google Patents
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- CN110968277B CN110968277B CN201911400914.6A CN201911400914A CN110968277B CN 110968277 B CN110968277 B CN 110968277B CN 201911400914 A CN201911400914 A CN 201911400914A CN 110968277 B CN110968277 B CN 110968277B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
- G06F3/1203—Improving or facilitating administration, e.g. print management
- G06F3/1208—Improving or facilitating administration, e.g. print management resulting in improved quality of the output result, e.g. print layout, colours, workflows, print preview
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
- G06F3/1237—Print job management
- G06F3/1242—Image or content composition onto a page
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/60—Editing figures and text; Combining figures or text
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Abstract
A method for generating answer sheet includes receiving user question selection information, setting question area and answer area on each test paper when multiple test papers are required to be printed on selected test paper, setting corresponding answer reference symbol in answer area of test paper, each test and corresponding answer reference symbol being corresponding to each other in horizontal direction; the answer area of each test paper is positioned at the same side of the test paper; the question answering area comprises area marks, and the test paper comprises page number information. According to the scheme, the test questions are arranged at the question areas of the answer paper of different pages according to the test question selection of the user, and the answer areas are arranged at the same side, so that the answer data of a whole set of test questions can be correctly obtained only by identifying the area marks of the answer areas when the answer is recorded by a computer. Thereby facilitating the identification of the correction at the back end.
Description
Technical Field
The invention relates to the field of document construction, in particular to a novel answer sheet generation technology.
Background
The existing answer sheet is a carrier of input information of an optical mark reader, and is a general name of various information input forms of the matched optical mark reader. The information card converts the information needed by the user into selectable options for the user to write. And the OMR equipment restores the information according to the coating and non-coating of the information points and the setting of the format file.
The information card is designed in a format required by the design specifications of the cursor reader based on information input to the computer.
In practical application, the identification of the special answer sheet causes that the user needs to switch the filling-in on the test paper and the answer sheet back and forth when doing a question, which easily causes the occurrence of filling-in error and is not beneficial to identifying and correcting.
Disclosure of Invention
Therefore, a new answer sheet generation method needs to be provided, which solves the problems that in the prior art, a user cannot automatically generate an answer sheet and answer is not convenient enough.
In order to achieve the above object, the inventor provides an answer sheet generation method, which receives user test question selection information, when a selected test question needs to be printed on a plurality of test question papers, a question area and an answer area are arranged on each test question paper, the test question selected by the user is arranged in the question area of the test question paper, a corresponding answer reference symbol is arranged in the answer area of the test question paper, and each test question corresponds to the corresponding answer reference symbol in the horizontal direction; the answer area of each test paper is positioned at the same side of the test paper; the question answering area comprises area marks, and the test paper comprises page number information.
Furthermore, the region is marked as a mark pair, and the connecting line of the mark pair divides the question region and the answer region.
Further, the answer reference symbols comprise numbers, transverse lines, squares or circular rings.
Different from the prior art, the scheme sets the test questions at the question area positions of different pieces of answer paper according to the test question selection of the user, and the answer areas are arranged at the same side, so that the answer data of a whole set of test questions can be correctly obtained only by identifying the area marks of the answer areas when the answer is finished and recorded by a computer. Thereby facilitating the identification of the correction at the back end.
Drawings
Fig. 1 is a block diagram of an answer content recognition system according to an embodiment;
FIG. 2 is a schematic view of a test paper layout according to an embodiment;
FIG. 3 is a flowchart of a page content identification method according to an embodiment;
FIG. 4 is a flowchart illustrating a method for identifying page content according to an embodiment;
FIG. 5 is a flowchart of a page generation method according to an embodiment;
fig. 6 is a flowchart of an answer sheet generation method according to an embodiment;
FIG. 7 is a block diagram of a page generation system according to an embodiment;
fig. 8 is a block diagram of an answer sheet generation system according to an embodiment.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, a page content identification system includes an image capturing unit 100, a processing unit 102, wherein the image capturing unit 100 is configured to obtain image information of a plurality of alternatively stacked pages, and the image information includes all or part of an uppermost page and a non-coverage area where a lower page is not covered by an upper page. The processing unit 102 is configured to identify content of non-covered pages and residual content of non-covered areas of the blocked pages, which are alternately stacked, according to the image information. The overlapping of the pages in our embodiment includes the upper page overlapping the left area of the lower page; or the upper page covers the right area of the lower page; or the upper page covers the upper side area of the lower page; or the upper page covers the lower side area of the lower page; or the upper page covers the upper left side area of the lower page; or the upper page covers the upper right side area of the lower page; or the upper page covers the lower left side area of the lower page; or the upper page covers the lower right area of the lower page. The page overlay results in both un-occluded and occluded portions of the remaining content. The technical effect of dividing the image into different pages can be achieved by recording and distinguishing the images. Specifically, the edge orientation of the page where the content is located can be determined by identifying the content position of the uppermost page, for example, the content on the page can be generally identified as a range of a rectangle, and the parallel extension of the sides of the rectangle to the periphery is generally the edge orientation of the page. Finding the content range touched first in the process of extending the rectangle edge outwards in parallel can be judged as the residual content of the lower page covered by the content range. The specific content association range determination process can be determined according to a connected domain algorithm in the image recognition field. By the content identification system, the effect of identifying the content of different pages among a plurality of staggered pages is achieved.
The following description is given by taking a page as test paper 104 or answering paper and answering card as examples, wherein the test paper is divided into a question area and an answering area, the test paper is provided with page number information, and the answering area is provided with area marks. Therefore, area markers may be included in either the unoccluded page content or the residual content. Firstly, compared with the scheme of arranging the special answer sheet, the separate arrangement of the question area and the answer area on the test paper can play a role of facilitating answering of the answerer, and meanwhile, wrong answer numbers are avoided. The answer area guides the user to concentrate the answers to a small area, and the pickup unit can conveniently record the answer information. If the user is guided to stack the test paper after answering the questions, the camera is arranged at the position above the desktop and the like to obtain the stacking sequence of the stacked test paper, the user can stack the test paper according to the prompt to expose the relevant area, if the part of the test paper with the page number information or the area mark is exposed, and under the condition, the processing unit can identify whether the placing relation of the test paper meets the requirement or not. If the placing relationship is correct, the system can perform back-end presentation on the part of the user answering through one-time image acquisition and image transmission, and the back end can be cloud storage or third-end correction presentation. The effects of saving time and saving data transmission bandwidth are achieved.
As an embodiment of the present solution, the page number information may be a number for the test paper, and numbers such as 1, 2, and 3 are printed on the test paper, and preferably designed near the answering area or near the edge of the paper. When the test paper is stacked, the corresponding positions of the test paper are staggered, and whether the test paper is out of order can be judged by identifying the page numbers at the specific positions. Fig. 2 shows an embodiment of stacking in a sequential manner, with the basis of the determination being provided by the exposed page number information. In order to avoid the problem that a simple number is easy to be identified by mistake, an AR code is used as an area mark, and naturally, an arrangement mode such as a two-dimensional code and a bar code can be selected. The area marks may be provided in the answering area or near the edge of the paper, and the cross and six mango star positions in the embodiment of fig. 2 indicate examples of the design of the position of the area marks. The AR code records at least a corresponding test paper ID, which plays a role of page number information, the area mark is stored in the storage unit 104, and the storage unit may be set in the cloud or locally. The processing unit 102 is configured to identify the test paper ID to determine whether the multiple stacked test papers are out of order, and if the area marks are set in the answer area at the right edge of the test paper, the correct stacking sequence is from left to right in the spatial position of the area marks exposed from the front test paper to the back test paper, the processing unit is configured to identify whether the page number information corresponding to the area marks appearing in the drawing satisfies the preset sequence from left to right. Through the scheme, the problem that the stacking position relation among a plurality of test paper sheets is judged by setting page number information is solved, and the collection of answer contents is better facilitated.
In other embodiments, the area markers may be set to two or more, and at least two area markers for identifying unoccluded page contents or residual contents correct distortion of the photographed image. The specific correction method can adjust the distortion of the image to be orthographic projection by the positional relationship of two or more area marks, or can correct the distortion of the whole image by recognizing the shape distortion of a single mark.
In other embodiments, the area marks are mark pairs set on a single test paper, or the area marks are AR codes, for example, that is, each answer area of each test paper includes two area marks, and each mark corresponds to one ID. The processing unit is configured to identify the mark pair through the image information, and when one mark of the mark pair is not set, the mark is identified as that the test paper is not placed according to requirements, if the answer area is not completely exposed. In some preferred embodiments, two area marks may be disposed near the subject area, and the line connecting the two area marks is used as a boundary line between the subject area and the subject area or parallel to the boundary line, so that once one of the area marks is not detected by the processing unit, it indicates that the answer paper covered thereon is not arranged properly, which may result in incomplete exposure of the subject area. Through the scheme, the problem that whether the multiple test paper is completely stacked or not is judged by setting the area marks is solved, and the collection of answer contents is better facilitated.
In other embodiments, taking the area label as the AR code as an example, the area label corresponds to one ID, the processing unit is configured to identify the content of the area label through the image information, and identify that a page is missing when the area label corresponding to a certain page of test paper is missing. The area mark can also be set as a mark pair on a single test paper, and when one group of mark pairs is missing, the test paper is judged to be missing. By the scheme, the problem that whether a plurality of test paper are missing or not is judged by setting the area marks is solved, and the collection of answer contents is facilitated better.
In a preferred embodiment, the question answering area is arranged on the right edge of the test paper, and the left and right part of the test paper are respectively arranged in the question area and the question answering area to better accord with the reading habit of a common person. Can promote this technical scheme's practicality through above-mentioned setting.
Further, in fig. 1, it can be seen that the system further comprises a prompting unit 106, wherein the prompting unit 106 is used for emitting sound or light signals, such as various prompting elements which can be set as a loudspeaker, a display screen, a flash lamp, etc. The prompting unit 106 is connected to the processing unit 102, and the processing unit may send an enable signal to the prompting unit or directly control the prompting unit. In order to achieve the effects of enhancing practicability and prompting a user, a processing unit is arranged to enable a prompting unit when judging that test paper is not completely exposed out of a question answering area or identifying that the test paper is missing or the test paper is out of order. Use the suggestion unit as the intelligent voice assistant in the system (can transplant prior art) for example, when judging that the relation of putting of examination question paper goes wrong, can report through voice assistant: "have missing pages, please put them in order", "please put the test papers in order in parallel", etc. And a preset animation picture can be played on the display screen at the same time, so that the user can understand how to correctly place the picture. Through above-mentioned scheme, can help the user to correctly use this system, guide the user to cooperate the test paper to carry out the exact and stack, carry out the collection of answer content better, can promote this technical scheme's practicality.
In other embodiments, the processing unit 102 is further configured to divide the content of the answer area in the image information and send the content to the modifying unit 108. Under the condition that the test paper is correctly placed, the extraction of the content of the answer area becomes very convenient, the scheme has great advantage in the extraction of the comprehensive content of a plurality of test papers, the answer area is positioned at the right edge of the test paper, and by combining the arrangement characteristics, only the area mark pair of the uppermost answer area needs to be identified, and the content of the right part of the connecting line of the mark pair can be extracted as the content of the answer area. Meanwhile, the normal response of the client in question making is not influenced. The correction unit can use the prior art, embeds AI of intelligent character recognition in a back-end processor and a cloud server, and can also send the AI to a correction personnel end to receive correction and remark information of the correction personnel and the like. By being connected with the correction end, the technical effects of extracting answer information and correcting can be achieved.
As a preferred embodiment, the above-mentioned page identification system can also be used exclusively for the identification of book contents without additional modifications. Here, even when the image content is recognized, only the recognition algorithm in which the upper page covers the left area of the lower page and the upper page covers the right area of the lower page may be considered. Or the priority of the recognition algorithm of the upper page covering the left area of the lower page and the upper page covering the right area of the lower page is increased. As both types of applications are most common in the field of content recognition of booklets.
Accordingly, in the embodiment shown in fig. 3, we also introduce a page content identification method, comprising the steps of: s300, image information of a plurality of staggered and stacked pages is acquired. The image information comprises all or part of the top page and a non-coverage area of the lower page which is not covered by the upper page;
s302, identifying the content of the non-covered page and the residual content of the non-covered area of the covered page which are overlapped in a staggered mode according to the image information. The effect of identifying the contents belonging to different pages among a plurality of staggered pages is achieved.
In some further embodiments, the unoccluded page content or the residual content includes a region marker. We also proceed to step S304, judging the stacking relationship between the pages by the region mark. Through the steps, the problem of identifying whether the placing relation of the page meets the requirements can be solved. If the placing relationship is correct, the contents of a plurality of pages can be acquired and transmitted through one image. The effects of saving time and saving data transmission bandwidth are achieved. In a specific application example, when the page is an answer sheet, steps S300-S304 may be executed, and the content of the answer area of multiple answer sheets can be transmitted and identified in the result of one-time image acquisition through the steps. The above-described method may be changed to the exercise book content recognition method, and steps S300 to S304 may be performed as well. Here, even when the image content is recognized, only the recognition algorithm in which the upper page covers the left area of the lower page and the upper page covers the right area of the lower page may be considered. Or the priority of the recognition algorithm of the upper page covering the left area of the lower page and the upper page covering the right area of the lower page is increased.
In some specific embodiments, we take the area label as an AR code as an example. The area marks a pair of marks set on the single test paper,
as shown in fig. 4, taking a page as an example of test question paper, the method further includes a step of S3041 identifying the mark pair through the image information, and identifying that the page is not placed according to the requirement when one of the marks of the mark pair is not placed, where the non-placement according to the requirement may be that the answer area is not completely exposed. Step S3042 may also be included, in which the content of the area mark is identified through the image information, and if the area mark corresponding to a certain page of test paper is missing, the page is identified as missing. The area mark may further include page number information, and step S3043 of identifying the page number information by the image information to determine whether the multiple stacked test papers are out of order.
In some specific embodiments, the method further includes a step of sending a prompt signal when the abnormal placement relationship of the test papers is identified in S306. Can help the user to correctly use this system through above-mentioned scheme, guide the user to cooperate the test paper to carry out the exact and stack, carry out the collection of answer content better, can promote this technical scheme's practicality.
Further, the method includes a step of dividing the content of the answer area in the image information and sending the content to the correcting unit in step S308. By being connected with the correction end, the technical effects of extracting answer information and correcting can be achieved.
In order to better perform content identification, a page generation method is further performed, as shown in fig. 5, and includes a step S500 of dividing a non-identification area and an identification area on a page, where an area mark is printed. The non-identification area can be printed normally, the area mark is used for identifying the overlapping relation between the pages after being shot by the camera, and the area mark can be a page number or a feature code with ID information of each page, such as a two-dimensional code, an AR code and the like. Specifically, the area marks are mark pairs, the mark pairs of different pages carry different information, the corresponding relationship between the area marks and the related pages in step S502 is recorded in the storage medium when generated, and the mark pairs of different pages may also record the sequential relationship between the pages, or may also record in the storage medium. By comparing the area markings in the storage medium, it can be recognized whether the stacking relationship between the pages is correct as described in the foregoing.
In other embodiments, in order to facilitate answering of test questions and subsequent identification and correction, taking the above-mentioned page as an example of an answer sheet, an answer sheet generation method is correspondingly designed, where please refer to fig. 6, which includes the following steps, S600 receives user test question selection information, S602 sets a question area and an answer area on each test paper when a plurality of test papers need to be printed on a selected test question, sets a test question selected by a user in the question area of the test paper, sets a corresponding answer reference in the answer area of the test paper, where the answer reference includes a number, a filling-in space of a cross line, a grid or circular filling-in space, and the like. Each test question corresponds to the corresponding answer reference symbol in the horizontal direction; the answer area of each test paper is positioned at the same side of the test paper; the question answering area comprises area marks, wherein the area marks can be two-dimensional codes, bar codes or AR codes with ID information of each test paper. The test paper comprises page number information, and the page number information can be directly printed numbers or can be additionally represented by area marks. Through the steps, the test questions are arranged at the question area positions of the answer paper of different pages according to the test question selection of the user, and the answer areas are uniformly arranged on the left side or the right side, so that the answer data of a whole set of test questions can be correctly obtained only by identifying the area marks of the answer area part when the answer is recorded by a computer. Thereby facilitating the wholesale identification of the backend.
In some other further embodiments, the region is labeled as a label pair, and a line connecting the label pair divides the topic region and the answer region. Through the design, the computer can judge whether the answer area is shielded or not through the mark on the test paper when shooting and recording, so that the requirement of detecting whether the test paper is completely exposed or not is met.
In other embodiments, referring to fig. 7, a page generation system is designed, including a page layout unit 700 and a printing unit 702, where the page layout unit is configured to divide a non-recognition area and a recognition area on a page, the recognition area is provided with an area tag, the printing unit is configured to print the page, and the area tag is used for recognizing a stacking relationship between the pages after being photographed by a camera. The page generation system also comprises a storage medium, the corresponding relation between the area mark and the related page is recorded in the storage medium when being generated, and the mark pairs of different pages can also record the sequence relation between the pages and can also be recorded in the storage medium. By comparing the area markings in the storage medium, it can be recognized whether the stacking relationship between the pages is correct as described in the foregoing.
In the embodiment shown in fig. 8, taking a page as an answer sheet as an example, the non-recognition area and the recognition area respectively correspond to the question area and the answer area, and the following design is further performed, an answer sheet generating system includes a question bank unit 800, a test question typesetting unit 802, a printing unit 804,
the question bank unit receives test question selection of a user and sends the selected test question to the test question typesetting unit, the test question typesetting unit is used for setting a question area and a question answering area on each piece of test question paper when the test question needs to be printed into a plurality of pieces of test question paper, the question area of the test question paper is provided with the test question selected by the user, the question answering area of the test question paper is provided with corresponding question answering reference symbols, and each test question corresponds to the corresponding question answering reference symbol in the horizontal direction; the answer area of each test paper is positioned at the same side of the test paper; the printing unit is used for printing the setting result of the test question typesetting unit on the test question paper. The question bank unit can be a database module of the system, and the typesetting unit can adopt the existing typesetting script embedded in the system to realize typesetting for A4 paper, for example. The printing unit may be a printer and the answer reference characters may comprise numbers, transverse lines, squares or rings. By the system, a user can independently select test questions, the test questions are arranged at the question areas of the answer paper of different pages, and the answer areas are uniformly arranged on the left side or the right side, so that the efficiency of the user in answering the test questions is not influenced, and the answers do not need to be copied to special answer paper. Therefore, when the answering is finished and recorded by the computer, the answering data of a whole set of test questions can be correctly obtained only by identifying the area marks of the answering area part. Thereby facilitating the identification of the correction at the back end.
Specifically, the region is marked as a mark pair, and a line of the mark pair divides the topic area and the answer area. Through the design, the computer can judge whether the answer area is shielded or not through the mark on the test paper when shooting and recording, so that the requirement of detecting whether the test paper is completely exposed or not is met.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (3)
1. An answer sheet generation method is characterized by comprising the following steps: receiving user test question selection information, when a plurality of test question papers need to be printed on the selected test questions, setting question areas and answer areas on each test question paper, setting the test questions selected by the user in the question areas of the test question papers, setting corresponding answer reference symbols in the answer areas of the test question papers, wherein each test question corresponds to the corresponding answer reference symbol in the horizontal direction; the answer area of each test paper is positioned at the same side of the test paper; the answer area comprises area marks, the test paper comprises page number information, whether the page number information corresponding to the area marks appearing in the identification chart meets a preset sequence or not is judged, the area marks are mark pairs, the question area and the answer area are divided by a connecting line of the mark pairs, the two area marks are arranged on one side close to the question area, the connecting line of the two area marks is used as a boundary line of the answer area and the question area or is parallel to the boundary line, and the mark pairs are identified through image information, and when one mark of the mark pairs is not covered, the test paper is identified as not being arranged according to requirements; identifying the content of the non-shielded answer sheet and the residual content of the non-covered area of the shielded answer sheet which are stacked in a staggered mode according to the image information, identifying the content position of the uppermost page, judging the edge orientation of the page where the uppermost page is located, judging the content association range according to a connected domain algorithm in the image identification field, determining the rectangular range of the content on the page, parallelly expanding the side edge of the rectangular range to the periphery to obtain the edge orientation of the page, searching the content range which is firstly contacted in the process of parallelly expanding the side edge of the rectangular range to the outside to judge the residual content of the page below the page covered by the content, identifying the content of the area mark through the image information, and identifying the page as a missing page when the area mark corresponding to a certain page of test paper is missing; or whether the multiple stacked test papers are out of order is judged by identifying the page number information through the image information.
2. The answer sheet generation method of claim 1, wherein the area mark is an AR code, the area mark corresponds to an ID, the processing unit is configured to identify the content of the area mark through image information, and when the area mark corresponding to a certain page of test paper is missing, the processing unit identifies that the page is missing.
3. The answer sheet generation method of claim 1, wherein the answer reference characters comprise numbers, horizontal lines, squares or circles.
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| WO2019075820A1 (en) * | 2017-10-20 | 2019-04-25 | 深圳市鹰硕技术有限公司 | Test paper reviewing system |
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| CN106846961A (en) * | 2017-01-25 | 2017-06-13 | 华中师范大学 | The treating method and apparatus of electronic test paper |
| WO2019075820A1 (en) * | 2017-10-20 | 2019-04-25 | 深圳市鹰硕技术有限公司 | Test paper reviewing system |
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