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Machine paper marking method based on edge calculation

An edge computing and machine technology, applied to computer components, calculations, instruments, etc., can solve problems such as the inability to apply ordinary right-to-wrong marking methods, leaving marks of corrections, and manually marking areas, etc., to improve the ability of rapid marking, Easy to mark and correct, strong compatibility effect

Pending Publication Date: 2020-08-28
杭州学同科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Machine marking is a commonly used marking method in modern examinations. At present, pure machine marking is usually only applicable to examinations with standard answers (such as multiple choice questions and judgment questions) that can be marked on the designated position of the answer sheet according to the prescribed graphics. , and in the case of needing to give points according to the answer situation or subjective marking, machine marking usually needs to scan the answer sheet, intercept and identify the answer content on the answer sheet, and then review it by the marking personnel. This method realizes partial mechanization , it can also be done online, but this method needs to manually mark the area, which is cumbersome, and the marking staff can make corrections online and cannot leave marks of corrections
For this situation, if figure 1 As shown, there is another way to automatically generate answer sheets online. The answer sheets do not need to be marked manually. Personnel can only use the underline mode to review, and there is no way to apply to ordinary right and wrong review methods

Method used

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  • Machine paper marking method based on edge calculation
  • Machine paper marking method based on edge calculation
  • Machine paper marking method based on edge calculation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Embodiment 1, with reference to attached figure 2 .

[0039] figure 2 It shows a kind of division mode of the answer sheet adopted by the present invention, such as figure 2 As shown, a kind of answer sheet of the present invention can include student number name writing area A, in this area, for each test paper, student number name is all unique, so area A is as the unique identification of test paper . For the feature extraction of student number and name writing area A, a roughly estimated area A picture is intercepted through the paper positioning block. Template matching and contour detection are performed on the intercepted pictures. Locate the position of the student number and name, and find the candidate set of nearby potential numbers and name outlines through the position of the student number and name. According to the positioning position, image size and corresponding geometric relationship, the number and name candidate sets are further screened, a...

Embodiment 2

[0042] Embodiment 2, marking system.

[0043] The present invention can use the marking system based on edge computing to review the answer sheets, and a system used in the present invention can be as follows image 3 shown.

[0044] The present invention includes a scanning device for scanning answer sheets. The scanning device may include multiple scanning devices that scan simultaneously or in batches. The multiple scanning devices of the present invention may be located in different places or different regions. The present invention may use node computing In this way, according to a certain area division, the results scanned by some of the scanning devices are sent to one of the node computing devices for feature extraction calculations, image 3 Two node devices are shown in , in fact, the system of the present invention can determine the number of node devices according to actual needs.

[0045] After the node equipment calculates, it can be sent to the cloud through t...

Embodiment 3

[0046] Embodiment 3, machine marking method.

[0047] The marking method of the present embodiment can adopt the system of embodiment 2 to mark the answer sheet of embodiment 1, and the specific method is as follows:

[0048] (1) Scan the identification area on the answer sheet through the scanning device in the system, and then send it to the node computing device;

[0049]In this embodiment, the identification area includes a student number and name writing area A, a test paper correction area B and a supplementary scoring area C, wherein the student number and name writing area A is used to provide machine identification of the student number and name, and the test paper correction area B is used to provide machine recognition of marking marks on test papers, and the supplementary scoring area C is used to provide recognition of handwritten marks during marking.

[0050] (2) The node computing device performs feature extraction on the scanned content of each recognition ar...

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Abstract

The technical problem to be solved by the invention is to provide a machine paper marking mode based on edge calculation for modernized teaching, the mode covers a wide application range, and the efficiency of machine paper marking can be effectively improved. According to the technical scheme, the method comprises the following steps of: (1) partitioning an answer sheet, and establishing at leasttwo identification areas for a machine to identify; (2) respectively carrying out machine identification on the plurality of identification areas, and extracting features of different identificationareas through node calculation; (3) uploading a node calculation result in the step (2) to a cloud end; and (4) the cloud identifies the feature points calculated by the nodes and obtains a paper marking result. The beneficial effects of the invention are that the method achieves the datamation of test paper features in an edge calculation mode, reduces the network transmission flow, and improvesthe quick paper marking capability.

Description

technical field [0001] The invention relates to a machine marking method. Background technique [0002] Machine marking is a commonly used marking method in modern examinations. At present, pure machine marking is usually only applicable to examinations with standard answers (such as multiple choice questions and judgment questions) that can be marked on the designated position of the answer sheet according to the prescribed graphics. , and in the case of needing to give points according to the answer situation or subjective marking, machine marking usually needs to scan the answer sheet, intercept and identify the answer content on the answer sheet, and then review it by the marking personnel. This method realizes partial mechanization , It can also be done online, but this method needs to manually mark the area, which is cumbersome, and the marking personnel can make corrections online, and cannot leave marks of corrections. For this situation, if figure 1 As shown, ther...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/32G06K9/34G06K9/46G06N3/04G06T7/13H04L29/08
CPCH04L67/10G06T7/13G06T2207/20084G06V20/10G06V30/153G06V10/25G06V10/267G06V10/40G06V10/44G06V10/513G06V30/287G06V30/10G06N3/045
Inventor 沈路郑健源蔡艳明
Owner 杭州学同科技有限公司
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