CN107451581B - A kind of method of batch Automatic Read Overmarginalia answering card - Google Patents
A kind of method of batch Automatic Read Overmarginalia answering card Download PDFInfo
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- CN107451581B CN107451581B CN201710559298.3A CN201710559298A CN107451581B CN 107451581 B CN107451581 B CN 107451581B CN 201710559298 A CN201710559298 A CN 201710559298A CN 107451581 B CN107451581 B CN 107451581B
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- picture
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
- G06V10/225—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition based on a marking or identifier characterising the area
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/24—Aligning, centring, orientation detection or correction of the image
- G06V10/243—Aligning, centring, orientation detection or correction of the image by compensating for image skew or non-uniform image deformations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
-
- 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
- G06V30/10—Character recognition
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The present invention is a kind of method of Automatic Read Overmarginalia answering card, specifically includes following steps：(1) multiple scanners are linked to by server by LAN, and are that each scanner distributes specified directory in server；(2) by scanner scanning answering card, and in the specified directory distributed for scanner that the picture after scanning is uploaded onto the server by the form of FTP；(3) server is monitored the specified directory distributed for each scanner, and is handled the picture after scanning when monitoring the picture after scanning and uploading to specified directory by the form of FTP.The present invention realizes automatic uploading pictures, saves the process of artificial uploading pictures；Meanwhile can realize the identification of objective item, it can also realize the identification of subjective item, and recognition accuracy is high；The present invention uses the processing mode of multi-process, has faster recognition speed to high-volume answering card.
Description
Technical field
The invention belongs to field of computer technology, are related to a kind of method for reading and making comments answering card more particularly to a kind of batch certainly
The dynamic method for reading and making comments answering card.
Background technology
In recent years, with the development of computer technology, reading and making comments increasingly for answering card is realized by computer technology
It is popular.
Mostly it is the scanning that answering card is carried out using scanner in the prior art, the painting on picture after identification scanning is write letter
Breath, and data are stored, it is used for the displaying of browser.Meanwhile being mostly that the picture that will identify upload is needed after each identification
Onto server, such browser can just check corresponding answer sheet picture.
But following problem exists in the prior art：1, it can only identify objective item, cannot identify subjective item, cause to identify
Efficiency is low, and accuracy rate is also relatively low.2, when more people's uploading pictures, due to the size of network problem and picture, when waiting to be uploaded
Between it is longer, lead to identification duration, it is less efficient.
In view of the above-mentioned technological deficiency of the prior art, there is an urgent need to develop a kind of novel method for reading and making comments answering card.
Invention content
It is an object of the invention to overcome disadvantage existing in the prior art, a kind of batch Automatic Read Overmarginalia answering card is provided
Method to solve the problems, such as to identify objective item, and improves recognition speed and accuracy rate, while solving answer sheet picture
Upload problem.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of method of batch Automatic Read Overmarginalia answering card, which is characterized in that include the following steps：
(1), multiple scanners are linked to by server end by the form of LAN, and are every on the server end
A scanner distributes specified directory；
(2), by the scanner scanning answering card, and the picture after scanning uploaded to by the form of FTP described
It is in the specified directory that the scanner distributes in server end；
(3), to being monitored for the specified directory of each scanner distribution, and picture after monitoring scanning
The picture after the scanning is handled when uploading to the specified directory by the form of FTP, to realize batch of answering card
It reads.
Further, wherein in the step (2), using the form of multi-process, it is, for each scanner
A process is established respectively, to the picture after each scanner scanning answering card respectively by a process individually with FTP
Form upload in specified directory.
Further, wherein in the step (3), the form of multi-process is also used, it is, passing through one respectively
Process is individually monitored the specified directory distributed for each scanner, and respectively by a process individually to every
Picture after a scanner scanning is handled.
Still further, wherein, it includes following step to carry out processing to the picture after the scanning in the step (3)
Suddenly：
(3.1), affine transformation is carried out to the picture after the scanning, that is, picture correction process；
(3.2), after picture correction process, the answering card exam information two-dimension code area on picture is intercepted, after generating interception
Picture, carry out Quick Response Code identification, obtain Quick Response Code in information；
(3.3), by the information in Quick Response Code, and database is inquired, obtains the relevant information of examination；
(3.4), according to the information got, answer card is identified, the answer of topic is obtained and corrects result；
(3.5), by answer and result storage is corrected in data, browser end is facilitated to be shown.
Further, wherein it further includes following step to carry out processing to the picture after the scanning in the step (3)
Suddenly：
(3.6), according to the picture after topic types segmentation scanning, unified file is then generated according to topic types information
The picture divided is deposited into the new catalogue of the server end by title, so as to browser end according to topic types into
Row is checked.
Further, wherein the step (3.6) is specially that will sweep according to the picture after topic types segmentation scanning
Picture segmentation after retouching is multiple-choice question picture, gap-filling questions picture and subjective item picture.
Still further, wherein, it further includes following step to carry out processing to the picture after the scanning in the step (3)
Suddenly：
(3.7), the picture that processing is completed is deleted to be not take up hard drive space on the server when handling completion
The picture.
With it is existing read and make comments the method for answering card compared with, the method for batch Automatic Read Overmarginalia answering card of the invention has as follows
Advantageous effects：
1, all scanning results are all directly stored in server end, save the process of everyone uploading pictures, efficient.
2, it is no longer only limitted to the identification of objective item, can also realize the identification of gap-filling questions, subjective item etc..
3, the accuracy rate of identification is improved.
4, using the processing mode of multi-process, recognition efficiency is improved.
Description of the drawings
Fig. 1 is the flow chart of the method for the batch Automatic Read Overmarginalia answering card of the present invention.
Fig. 2 is the flow chart handled the picture after scanning.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples, and the content of embodiment is not as the guarantor to the present invention
Protect the limitation of range.
Fig. 1 shows the flow chart of the method for the batch Automatic Read Overmarginalia answering card of the present invention.As shown in Figure 1, the present invention
The method of batch Automatic Read Overmarginalia answering card includes the following steps：
First, multiple scanners are linked to by server end by the form of LAN, and are on the server end
Each scanner distributes specified directory.
Secondly, by the scanner scanning answering card, and the picture after scanning uploaded to by the form of FTP described
It is in the specified directory that the scanner distributes in server end.In this way so that the picture of each scanner scanning can be direct
It is automatically uploaded to server end, to save the process of everyone uploading pictures, efficiency is very high.
Also, in the present invention, it is preferred to use the form of multi-process.It is, for each scanner difference
A process is established, to the picture after each scanner scanning answering card respectively by a process individually with the shape of FTP
Formula uploads in specified directory.In this way, the picture after multiple scannings can be uploaded simultaneously so that efficient.Most of all, working as
One process when something goes wrong, does not interfere with other processes so that scanning process can not be due to a scanner goes wrong
It is disconnected.
Again, to being monitored for the specified directory of each scanner distribution, and figure after monitoring scanning
The picture after the scanning is handled when piece uploads to the specified directory by the form of FTP, to realize answering card
It reads and makes comments.
In the present invention, the form of multi-process is also used.It is, respectively by a process individually to for each institute
State scanner distribution specified directory be monitored, and respectively by a process individually to each scanner scanning after
Picture handled.
Similarly, due to the use of multi-process technology, plurality of pictures can be handled simultaneously so that one of process is asked
Topic, does not influence the processing of other processes.
In the present invention, also the processing of picture, that is, recognition methods are improved, so that it can identify visitor
Sight is inscribed, and can also identify subjective item, and recognition efficiency and accuracy rate are improved.
As shown in Fig. 2, in the present invention, carrying out processing to the picture after the scanning and including the following steps：
First, affine transformation is carried out to the picture after the scanning, that is, picture correction process.
In the present invention, by that picture progress correction process, the picture caused by printing, scanning can be avoided to tilt,
It prevents identification from error occur, improves recognition accuracy.
Secondly, after picture correction process, the answering card exam information two-dimension code area on picture is intercepted, after generating interception
Picture, carry out Quick Response Code identification, obtain Quick Response Code in information.Wherein, it is deposited in the information and date library in the Quick Response Code
The examination relevant information of the answering card of storage is relative to by the information in the Quick Response Code, by inquiring database, so that it may with
Obtain the examination relevant information of this answering card.
Again, by the information in Quick Response Code, and database is inquired, obtains the relevant information of examination, such as takes an examination
Class, student information, the number of pages of answering card, topic information etc..
Then, according to the information got, answer card is identified, the answer of topic is obtained and corrects result.
In the present invention, objective item can be not only identified, and subjective item can be identified.Meanwhile
In order to improve the accuracy rate of identification, in the present invention, for multiple-choice question, by each option of every problem, individually interception is known
Not, judge whether it is scribbled, avoid that student is excessive because scribbling, the misrecognition brought on other options is write in painting.For filling out
Sky topic judges whether there is the red trace corrected, if there is sentencing mistake by searching for the rectangle marking frame after every problem；If not yet
Have and sentences pair.For other subjective items, when answering card generates, a marking frame can be generated according to the score of topic, teacher is criticizing
It when readding, is read and made comments with red pen on corresponding score, by acquisition marking frame, is sentenced to the position where red cut
It sets, you can obtain corresponding score value.
Finally, by answer and result storage is corrected in data, browser end is facilitated to be shown.
In addition, in the present invention, it, can also be according to topic for the ease of being shown respectively to different types of topic
Picture after type segmentation scanning, it is, being multiple-choice question picture, gap-filling questions picture and subjective item by the picture segmentation after scanning
Figure.Then unified file name is generated according to topic types information, for example, file name is respectively " multiple-choice question ", " fills a vacancy
Topic " and " subjective item ".In this manner it is possible to the picture divided is deposited into the new catalogue of the server end, it is, choosing
It selects in topic record, gap-filling questions catalogue and subjective item catalogue, to be checked according to topic types in browser end.
Finally, in the present invention, in order to be not take up hard drive space on the server, for treated picture, locating
Reason deletes the picture when completing.
The method of batch Automatic Read Overmarginalia answering card of the present invention solves the problems, such as to identify objective item so that it can be with
Identify subjective item and objective item simultaneously.Moreover, the present invention improves recognition speed and accuracy rate, efficiency, which replies, to be improved.Finally,
The problem of being uploaded which solve answer sheet picture.
The above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.Here all embodiments can not be exhaustive.Every skill for belonging to the present invention
Row of the obvious changes or variations that art scheme is extended out still in protection scope of the present invention.
Claims (3)
1. a kind of method of batch Automatic Read Overmarginalia answering card, which is characterized in that include the following steps：
(1), multiple scanners are linked to by server end by the form of LAN, and are each institute on the server end
State scanner distribution specified directory；
(2), by the scanner scanning answering card, and the picture after scanning is uploaded into the service by the form of FTP
It is in the specified directory that the scanner distributes in device end；
(3), to being monitored for the specified directory of each scanner distribution, and picture after monitoring scanning passes through
The picture after the scanning is handled when the form of FTP uploads to the specified directory, to realize reading and making comments for answering card；
Wherein, in the step (2), using the form of multi-process, it is, for each scanner establish respectively one into
Journey individually uploads to finger by a process in the form of FTP respectively to the picture after each scanner scanning answering card
Determine in catalogue；
In the step (3), the form of multi-process is also used, it is, respectively by a process individually to being each described
Scanner distribution specified directory be monitored, and respectively by a process individually to each scanner scanning after
Picture is handled
Processing is carried out in the step (3) to the picture after the scanning to include the following steps：
(3.1), affine transformation is carried out to the picture after the scanning, that is, picture correction process；
(3.2), after picture correction process, the answering card exam information two-dimension code area on picture is intercepted, generates the figure after interception
Piece carries out Quick Response Code identification, obtains the information in Quick Response Code；
(3.3), by the information in Quick Response Code, and database is inquired, obtains the relevant information of examination；
(3.4), according to the information got, answer card is identified, the answer of topic is obtained and corrects result；
(3.5), by answer and result storage is corrected in data, browser end is facilitated to be shown,
The picture after the scanning handle in the step (3) further comprising the steps of：
(3.6), according to the picture after topic types segmentation scanning, unified filename is then generated according to topic types information
Claim, the picture divided is deposited into the new catalogue of the server end, to be carried out according to topic types in browser end
It checks.
2. the method for batch Automatic Read Overmarginalia answering card according to claim 1, which is characterized in that the step (3.6)
According to topic types segmentation scanning after picture be specially by the picture segmentation after scanning be multiple-choice question picture, gap-filling questions picture and
Subjective item picture.
3. the method for batch Automatic Read Overmarginalia answering card according to claim 2, which is characterized in that in the step (3)
Picture after the scanning handle further comprising the steps of：
(3.7), the picture that processing is completed deletes the figure to be not take up hard drive space on the server when handling completion
Piece.
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| CN201710559298.3A CN107451581B (en) | 2017-07-11 | 2017-07-11 | A kind of method of batch Automatic Read Overmarginalia answering card |
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| CN107451581B true CN107451581B (en) | 2018-08-21 |
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