CN111126227A - Detection method for scanning and collecting abnormal answer sheet - Google Patents
Detection method for scanning and collecting abnormal answer sheet Download PDFInfo
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- CN111126227A CN111126227A CN201911302190.1A CN201911302190A CN111126227A CN 111126227 A CN111126227 A CN 111126227A CN 201911302190 A CN201911302190 A CN 201911302190A CN 111126227 A CN111126227 A CN 111126227A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/40—Document-oriented image-based pattern recognition
- G06V30/41—Analysis of document content
- G06V30/412—Layout analysis of documents structured with printed lines or input boxes, e.g. business forms or tables
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- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
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Abstract
The invention discloses a detection method for scanning and collecting abnormal answer sheets, which comprises a template making module, a database server, an answer sheet information automatic identification module and an identification result display module, the template making module is connected with a database server, the database server is connected with the automatic answer sheet information identification module, the automatic answer sheet information identification module is connected with the identification result display module, by comparing with the positioning mark points of the scanning template, the positioning mark points which can not be identified on the answer sheet can be accurately found out, not only can the answer sheet image whether the scanned image is correct or not be indicated, but also under the condition that the positioning mark points of the answer sheet are damaged, the damaged positioning mark points and the positions thereof on the answer sheet image are accurately pointed out, the efficiency and the accuracy of abnormal scanning and acquisition processing are effectively improved, and the smooth completion of the scanning work is facilitated.
Description
Technical Field
The invention relates to the technical field of scanning and collecting data, in particular to a detection method for scanning and collecting abnormal answer sheets.
Background
The first thing to do in the online examination paper evaluation system of the paper examination is to scan the paper answer sheet by a scanner to obtain the electronization of the paper answer sheet. Before scanning a paper answer sheet, a scanning template is firstly manufactured to locate the mark of the answer sheet, and then the information content of the answer sheet can be scanned and identified. In scanning the answer sheet, the answer sheet scanning identification may be unsuccessful due to the broken angle, the location mark or other mark points being damaged during the answer sheet scanning. When the current scanning system scans and identifies the answer sheet, which positioning mark point can not be identified can not be accurately pointed out, and the answer sheet which fails to be scanned and identified depends on manual inspection is which positioning mark point can not be identified. Therefore, the method depends on a manual inspection mode, influences the scanning work efficiency and is not beneficial to the quick and smooth completion of the scanning work. How to quickly and accurately check which positioning mark points of an answer sheet fail to be identified in the process of scanning the answer sheet is a problem to be solved urgently at present.
Disclosure of Invention
The invention aims to provide a detection method for scanning and collecting abnormal answer sheets, which aims to solve the problems in the prior art and accurately find out the positioning mark points which cannot be identified on the answer sheets by comparing the positioning mark points with the positioning mark points of a scanning template.
In order to achieve the purpose, the invention provides the following scheme: a detection system for scanning and collecting abnormal answer sheets comprises a making template module, a database server, an answer sheet information automatic identification module and an identification result display module, wherein the making template module is connected with the database server, the database server is connected with the answer sheet information automatic identification module, and the answer sheet information automatic identification module is connected with the identification result display module;
the template making module is used for making a standard answer sheet image, framing and selecting a positioning mark point on the standard answer sheet image, recording the size and the coordinate position of each framing and selecting box, the type of the positioning mark point and an image identified in the framing and selecting box; the types of the landmark points include: positioning points and a synchronous head;
the database server is used for receiving the standard answer sheet image of the scanning template and the positioning mark point data thereof and storing the answer sheet image which is successfully scanned and identified;
the automatic answer sheet information identification module is used for acquiring scanning template data from the database server and performing information matching and comparison on each scanned answer sheet and the scanning template;
and the identification result display module is used for receiving the identification result information of the automatic answer sheet information identification module, and displaying the type and the position of the positioning mark point with failed identification if the answer sheet fails to be scanned and identified.
A detection method for scanning and collecting abnormal answer sheets comprises the following steps:
step one, the template making module makes a scanning template of the answer sheet according to the defined structure content of the test paper, takes an answer sheet without filling traces as a standard answer sheet image of the scanning template, and selects positioning mark points on the standard answer sheet image. After the positioning mark points are selected, recording the size and the coordinate position of each frame, the type of the positioning mark points and the image identified in the frame; the types of the positioning mark points comprise positioning points and synchronous heads;
after the scanning template is manufactured, the scanning template module transmits scanning template data to a database server, wherein the scanning template data comprises the size and the coordinate position of each framed selection box, the type of a positioning mark point and an image identified in the framed selection box;
step three, the answer sheet information automatic identification module acquires the scanning template data from the database server, and in the scanning process, the answer sheet information automatic identification module performs information matching and comparison on each scanned answer sheet and the scanning template;
and step four, the identification result display module receives the identification result information of the automatic answer sheet information identification module, and if the answer sheet fails to be scanned and identified, the type and the position of the positioning mark point which fails to be identified are displayed.
Preferably, the answer sheet information automatic identification module selecting method in the first step comprises: the answer sheet information automatic identification module sequentially identifies and contrasts whether an image identified by a framing selection frame on a scanned answer sheet image is consistent with an image identified by a framing selection frame on a standard answer sheet image with corresponding coordinates or not according to the sequence of framing selection identification positioning mark points; if the image identification contrast is inconsistent, the automatic answer sheet information identification module records the types and the positions of the positioning mark points of all the images with inconsistent identification contrast and transmits the data to the identification result display module, and the identification result display module displays the types and the positions of the positioning mark points with failed identification; if the images are identified and compared consistently, the automatic answer sheet information identification module acquires the positioning mark information and the examinee filling information of the scanned answer sheet image according to the positioning mark points and stores the information in the database server.
Preferably, the process of information matching and comparing the answer sheet with the scanning template comprises: the size of the scanned answer sheet image is compared with the size of the standard answer sheet image of the scanning template, if the size of the scanned answer sheet image is not consistent with the size of the standard answer sheet image of the scanning template, the image is judged not to be the answer sheet image, and the identification result display module displays that the answer sheet is not the answer sheet to be scanned; if the sizes of the two are consistent, the answer sheet information automatic identification module fixes the frame selection frames of the standard answer sheet image on the scanned answer sheet image according to respective coordinate positions, and identifies the image in the frame selection frame on the scanned answer sheet image.
The invention discloses the following technical effects: the invention provides a detection method for scanning and collecting abnormal answer sheets, which can not only indicate whether a scanned image is a correct answer sheet image, but also accurately indicate damaged positioning mark points and positions thereof on the answer sheet image under the condition that the positioning mark points of the answer sheet are damaged, thereby effectively improving the efficiency and the accuracy of abnormal scanning and collecting processing and being beneficial to promoting the smooth completion of scanning work.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments 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 to obtain other drawings without inventive exercise.
Fig. 1 is a schematic view of the working process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1, a detection system for scanning and collecting abnormal answer sheets comprises a making template module, a database server, an answer sheet information automatic identification module and an identification result display module, wherein the making template module is connected with the database server, the database server is connected with the answer sheet information automatic identification module, and the answer sheet information automatic identification module is connected with the identification result display module;
the template making module is used for making a standard answer sheet image, framing and selecting a positioning mark point on the standard answer sheet image, recording the size and the coordinate position of each framing and selecting box, the type of the positioning mark point and an image identified in the framing and selecting box; the types of the landmark points include: positioning points and a synchronous head;
the database server is used for receiving the standard answer sheet image of the scanning template and the positioning mark point data thereof and storing the answer sheet image which is successfully scanned and identified;
the automatic answer sheet information identification module is used for acquiring scanning template data from the database server and performing information matching and comparison on each scanned answer sheet and the scanning template;
and the identification result display module is used for receiving the identification result information of the automatic answer sheet information identification module, and displaying the type and the position of the positioning mark point with failed identification if the answer sheet fails to be scanned and identified.
A detection method for scanning and collecting abnormal answer sheets comprises the following steps:
step one, the template making module makes a scanning template of the answer sheet according to the defined structure content of the test paper, takes an answer sheet without filling traces as a standard answer sheet image of the scanning template, and selects positioning mark points on the standard answer sheet image. After the positioning mark points are selected, recording the size and the coordinate position of each frame, the type of the positioning mark points and the image identified in the frame; the types of the positioning mark points comprise positioning points and synchronous heads;
after the scanning template is manufactured, the scanning template module transmits scanning template data to a database server, wherein the scanning template data comprises the size and the coordinate position of each framed selection box, the type of a positioning mark point and an image identified in the framed selection box;
step three, the answer sheet information automatic identification module acquires the scanning template data from the database server, and in the scanning process, the answer sheet information automatic identification module performs information matching and comparison on each scanned answer sheet and the scanning template;
and step four, the identification result display module receives the identification result information of the automatic answer sheet information identification module, and if the answer sheet fails to be scanned and identified, the type and the position of the positioning mark point which fails to be identified are displayed.
Further optimizing the scheme, the answer sheet information automatic identification module framing method in the step one is as follows: the answer sheet information automatic identification module sequentially identifies and contrasts whether an image identified by a framing selection frame on a scanned answer sheet image is consistent with an image identified by a framing selection frame on a standard answer sheet image with corresponding coordinates or not according to the sequence of framing selection identification positioning mark points; if the image identification contrast is inconsistent, the automatic answer sheet information identification module records the types and the positions of the positioning mark points of all the images with inconsistent identification contrast and transmits the data to the identification result display module, and the identification result display module displays the types and the positions of the positioning mark points with failed identification; if the images are identified and compared consistently, the automatic answer sheet information identification module acquires the positioning mark information and the examinee filling information of the scanned answer sheet image according to the positioning mark points and stores the information in the database server.
Further optimizing the scheme, the process of information matching and comparison between the answer sheet and the scanning template comprises the following steps: the size of the scanned answer sheet image is compared with the size of the standard answer sheet image of the scanning template, if the size of the scanned answer sheet image is not consistent with the size of the standard answer sheet image of the scanning template, the image is judged not to be the answer sheet image, and the identification result display module displays that the answer sheet is not the answer sheet to be scanned; if the sizes of the two are consistent, the answer sheet information automatic identification module fixes the frame selection frames of the standard answer sheet image on the scanned answer sheet image according to respective coordinate positions, and identifies the image in the frame selection frame on the scanned answer sheet image.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (4)
1. A detection system for scanning and collecting abnormal answer sheets is characterized by comprising a making template module, a database server, an answer sheet information automatic identification module and an identification result display module, wherein the making template module is connected with the database server;
the template making module is used for making a standard answer sheet image, framing and selecting a positioning mark point on the standard answer sheet image, recording the size and the coordinate position of each framing and selecting box, the type of the positioning mark point and an image identified in the framing and selecting box; the types of the landmark points include: positioning points and a synchronous head;
the database server is used for receiving the standard answer sheet image of the scanning template and the positioning mark point data thereof and storing the answer sheet image which is successfully scanned and identified;
the automatic answer sheet information identification module is used for acquiring scanning template data from the database server and performing information matching and comparison on each scanned answer sheet and the scanning template;
and the identification result display module is used for receiving the identification result information of the automatic answer sheet information identification module, and displaying the type and the position of the positioning mark point with failed identification if the answer sheet fails to be scanned and identified.
2. A detection method for scanning and collecting abnormal answer sheets is characterized by comprising the following steps:
step one, the template making module makes a scanning template of the answer sheet according to the defined structure content of the test paper, takes an answer sheet without filling traces as a standard answer sheet image of the scanning template, and selects positioning mark points on the standard answer sheet image. After the positioning mark points are selected, recording the size and the coordinate position of each frame, the type of the positioning mark points and the image identified in the frame; the types of the positioning mark points comprise positioning points and synchronous heads.
After the scanning template is manufactured, the scanning template module transmits scanning template data to a database server, wherein the scanning template data comprises the size and the coordinate position of each framed selection box, the type of a positioning mark point and an image identified in the framed selection box;
step three, the answer sheet information automatic identification module acquires the scanning template data from the database server, and in the scanning process, the answer sheet information automatic identification module performs information matching and comparison on each scanned answer sheet and the scanning template;
and step four, the identification result display module receives the identification result information of the automatic answer sheet information identification module, and if the answer sheet fails to be scanned and identified, the type and the position of the positioning mark point which fails to be identified are displayed.
3. The method for detecting an abnormal answer sheet by scanning and collecting according to claim 2, wherein: the answer sheet information automatic identification module framing method in the first step is as follows: the answer sheet information automatic identification module sequentially identifies and contrasts whether an image identified by a framing selection frame on a scanned answer sheet image is consistent with an image identified by a framing selection frame on a standard answer sheet image with corresponding coordinates or not according to the sequence of framing selection identification positioning mark points;
if the image identification contrast is inconsistent, the automatic answer sheet information identification module records the types and the positions of the positioning mark points of all the images with inconsistent identification contrast and transmits the data to the identification result display module, and the identification result display module displays the types and the positions of the positioning mark points with failed identification; if the images are identified and compared consistently, the automatic answer sheet information identification module acquires the positioning mark information and the examinee filling information of the scanned answer sheet image according to the positioning mark points and stores the information in the database server.
4. The method for detecting an abnormal answer sheet by scanning and collecting according to claim 2, wherein: the process of information matching and comparison between the answer sheet and the scanning template comprises the following steps: the size of the scanned answer sheet image is compared with the size of the standard answer sheet image of the scanning template, if the size of the scanned answer sheet image is not consistent with the size of the standard answer sheet image of the scanning template, the image is judged not to be the answer sheet image, and the identification result display module displays that the answer sheet is not the answer sheet to be scanned; if the sizes of the two are consistent, the answer sheet information automatic identification module fixes the frame selection frames of the standard answer sheet image on the scanned answer sheet image according to respective coordinate positions, and identifies the image in the frame selection frame on the scanned answer sheet image.
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| CN112347946A (en) * | 2020-11-10 | 2021-02-09 | 成都兴唐信息技术有限公司 | Method and system for identifying multi-type answer sheet |
| CN112700413A (en) * | 2020-12-30 | 2021-04-23 | 广东德诚大数据科技有限公司 | Answer sheet abnormity detection method and device, electronic equipment and storage medium |
| CN112734705A (en) * | 2020-12-30 | 2021-04-30 | 广东德诚大数据科技有限公司 | Answer sheet abnormity detection method and device, electronic equipment and storage medium |
| CN114565924A (en) * | 2022-02-09 | 2022-05-31 | 南京红松信息技术有限公司 | Rectangular zone bit detection method based on pixel extraction |
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