CN107451581A - 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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- CN107451581A CN107451581A CN201710559298.3A CN201710559298A CN107451581A CN 107451581 A CN107451581 A CN 107451581A CN 201710559298 A CN201710559298 A CN 201710559298A CN 107451581 A CN107451581 A CN 107451581A
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- picture
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- answering card
- scanner
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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
-
- 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 assigned catalogue in server；(2) by scanner scanning answering card, and in the assigned catalogue distributed for scanner that the picture after scanning is uploaded onto the server by FTP form；(3) server is monitored to the assigned catalogue distributed for each scanner, and the picture after scanning is handled when the picture after monitoring scanning uploads to assigned catalogue by FTP form.The present invention realizes automatic uploading pictures, saves the process of artificial uploading pictures；Meanwhile the identification of objective item can be realized, the identification of subjective item can be also realized, 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, is related to a kind of method for reading and making comments answering card, more particularly to a kind of batch is 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 by data storage, the displaying for browser.Meanwhile mostly needed the picture upload of identification after each identification
Onto server, such browser can just check corresponding answer sheet picture.
But there are the following problems in the prior art：1st, objective item can only be identified, it is impossible to identify subjective item, cause to identify
Efficiency is low, and accuracy rate is also than relatively low.2nd, during more people's uploading pictures, due to the size of network problem and picture, when waiting to be uploaded
Between it is longer, cause identification duration, it is less efficient.
In view of the above-mentioned technological deficiency of prior art, there is an urgent need to develop a kind of new method for reading and making comments answering card.
The content of the invention
It is an object of the invention to overcome shortcoming present in prior art, there is provided a kind of batch Automatic Read Overmarginalia answering card
Method, to solve the problems, such as that objective item can only be identified, and recognition speed and accuracy rate are improved, while solve answer sheet picture
Upload problem.
To achieve these goals, the present invention provides following technical scheme：
A kind of method of batch Automatic Read Overmarginalia answering card, it is characterised in that comprise the following steps：
(1) multiple scanners, are linked to by server end by the form of LAN, and are every on the server end
The individual scanner distribution assigned catalogue；
(2), by the scanner scanning answering card, and the picture after scanning uploaded to by FTP form described
It is in the assigned catalogue that the scanner distributes in server end；
(3), to being monitored for the assigned catalogue of each scanner distribution, and picture after scanning is monitored
The picture after the scanning is handled when uploading to the assigned catalogue by FTP form, to realize batch of answering card
Read.
Further, wherein, in the step (2), using the form of multi-process, it is, being 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 assigned catalogue.
Further, wherein, in the step (3), also using the form of multi-process, it is, passing through one respectively
Process for the assigned catalogue of each scanner distribution individually to being monitored, and respectively by a process individually to every
Picture after the individual scanner scanning is handled.
Yet further, wherein, carrying out processing in the step (3) to the picture after the scanning includes following step
Suddenly：
(3.1) affine transformation, is carried out to the picture after the scanning, i.e. picture correction process；
(3.2), after picture correction process, the answering card exam information two-dimension code area on picture is intercepted, after generation 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 about, obtains the related 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 correct result storage into data, facilitate browser end to be shown.
Further, wherein, the picture after the scanning, which is handled, in the step (3) also includes following step
Suddenly：
(3.6), according to the picture after topic types segmentation scanning, unified file is then generated according to topic types information
Title, the picture split is deposited into the new catalogue of the server end, to be entered in browser end according to topic types
Row is checked.
Further, wherein, the step (3.6) is specially to 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.
Yet further, wherein, the picture after the scanning, which is handled, in the step (3) also includes following step
Suddenly：
(3.7), the picture that processing is completed, in order to be not take up hard drive space on the server, deleted when handling and completing
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：
1st, all scanning results are all directly stored in server end, save the process of everyone uploading pictures, efficiency high.
2nd, the identification of objective item is no longer only limitted to, can also realize the identification of gap-filling questions, subjective item etc..
3rd, the accuracy rate of identification is improved.
4th, using the processing mode of multi-process, recognition efficiency is improved.
Brief 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.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples, and the content of embodiment is not as the guarantor to the present invention
Protect the limitation of scope.
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 comprises 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 distribution assigned catalogue.
Secondly, by the scanner scanning answering card, and the picture after scanning uploaded to by FTP form described
It is in the assigned catalogue that the scanner distributes in server end.So so that the picture of each scanner scanning can be direct
Server end is automatically uploaded to, so as to save the process of everyone uploading pictures, efficiency is very high.
Also, in the present invention, it is preferred to it uses the form of multi-process.It is, it is each scanner difference
A process is established, to the picture after each scanner scanning answering card respectively by a process individually with FTP shape
Formula is uploaded in assigned catalogue.So, the picture after multiple scannings can be uploaded simultaneously so that efficiency high.Most of all, work as
When one process goes wrong, do not interfere with other processes so that scanning process can not because a scanner goes wrong and
It is disconnected.
Again, to being monitored for the assigned catalogue of each scanner distribution, and figure after scanning is monitored
The picture after the scanning is handled when piece uploads to the assigned catalogue by FTP form, to realize answering card
Read and make comments.
In the present invention, its form for also using multi-process.It is, respectively by a process individually to for each institute
State scanner distribution assigned catalogue be monitored, and respectively by a process individually to each scanner scanning after
Picture handled.
Similarly, due to having used 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, the also processing to picture, that is, recognition methods are improved, to cause it to 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, processing is carried out to the picture after the scanning and comprised the following steps：
First, affine transformation is carried out to the picture after the scanning, i.e. picture correction process.
In the present invention, by carrying out correction process to picture, picture can be avoided to tilt caused by printing, scanning,
Prevent identification from error occur, improve recognition accuracy.
Secondly, after picture correction process, the answering card exam information two-dimension code area on picture is intercepted, after generation interception
Picture, carry out Quick Response Code identification, obtain Quick Response Code in information.Wherein, deposited in the information and date storehouse 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 about database, it is possible to
Obtain the examination relevant information of this answering card.
Again, by the information in Quick Response Code, and database is inquired about, obtains the related information of examination, such as take 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, apply the misrecognition write and brought on other options.For filling out
Sky topic, by the rectangle marking frame after searching per problem, the red vestige corrected is determined whether, if sentencing mistake；If not yet
Have and sentence pair.For other subjective items, when answering card generates, a marking frame can be generated according to the fraction of topic, teacher is criticizing
When readding, read and made comments with red pen on corresponding fraction, by obtaining frame of giving a mark, sentenced to the position where red cut
Put, you can draw corresponding score value.
Finally, by answer and correct result storage into data, facilitate browser end to be shown.
In addition, in the present invention, 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 ", " filled a vacancy
Topic " and " subjective item ".In this manner it is possible to the picture split is deposited into the new catalogue of the server end, it is, choosing
Select in topic record, gap-filling questions catalogue and subjective item catalogue, to be checked in browser end according to topic types.
Finally, in the present invention, in order to be not take up hard drive space on the server, for the picture after processing, 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 that objective item can only be identified 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,
Which solve the problem of answer sheet picture uploads.
The above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to the present invention
Embodiment restriction.For those of ordinary skill in the field, can also make on the basis of the above description
Other various forms of changes 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 (7)
- A kind of 1. method of batch Automatic Read Overmarginalia answering card, it is characterised in that comprise 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 assigned catalogue；(2), by the scanner scanning answering card, and the picture after scanning is uploaded into the service by FTP form It is in the assigned catalogue that the scanner distributes in device end；(3), to being monitored for the assigned catalogue of each scanner distribution, and picture after scanning is monitored passes through The picture after the scanning is handled when FTP form uploads to the assigned catalogue, to realize reading and making comments for answering card.
- 2. the method for batch Automatic Read Overmarginalia answering card according to claim 1, it is characterised in that in the step (2), adopt With the form of multi-process, it is, establishing a process respectively for each scanner, each scanner scanning is answered Picture after topic card is individually uploaded in assigned catalogue by a process in the form of FTP respectively.
- 3. the method for batch Automatic Read Overmarginalia answering card according to claim 2, it is characterised in that in the step (3), Using the form of multi-process, it is, respectively by a process individually to the assigned catalogue for each scanner distribution It is monitored, and individually the picture after each scanner scanning is handled by a process respectively.
- 4. the method for batch Automatic Read Overmarginalia answering card according to claim 1, it is characterised in that in the step (3) Processing is carried out to the picture after the scanning to comprise the following steps：(3.1) affine transformation, is carried out to the picture after the scanning, i.e. picture correction process；(3.2), after picture correction process, the answering card exam information two-dimension code area on picture, the figure after generation interception are intercepted Piece, Quick Response Code identification is carried out, obtain the information in Quick Response Code；(3.3), by the information in Quick Response Code, and database is inquired about, obtains the related 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 correct result storage into data, facilitate browser end to be shown.
- 5. the method for batch Automatic Read Overmarginalia answering card according to claim 4, it is characterised in that in the step (3) Picture after the scanning handle 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 split is deposited into the new catalogue of the server end, to be carried out in browser end according to topic types Check.
- 6. the method for batch Automatic Read Overmarginalia answering card according to claim 5, it is characterised 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.
- 7. the method for batch Automatic Read Overmarginalia answering card according to claim 6, it is characterised in that in the step (3) Picture after the scanning handle further comprising the steps of：(3.7), the picture that processing is completed, in order to be not take up hard drive space on the server, the figure is deleted when handling and completing Piece.
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