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Examination paper marking method based on augmented reality technology

A technology of augmented reality and technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as impracticality of personal use, and achieve the effect of efficient, fast and accurate review

Active Publication Date: 2014-04-23
GUANGDONG UNIV OF TECH
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Problems solved by technology

[0005] Machine-readable cards, a simple optical character recognition (OCR) technology, are also a good example of machine vision applications. It is often used in standardized tests, elections, and surveys. This technology is fast and accurate, so it is now recognized. It has been widely used, but it is impractical for personal use, so the design of the present invention aims to facilitate the teacher's personal review of test papers

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  • Examination paper marking method based on augmented reality technology
  • Examination paper marking method based on augmented reality technology
  • Examination paper marking method based on augmented reality technology

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0031] The traditional answer sheet is a machine-readable card, which is not suitable for the application of handheld devices. In order to achieve fast, efficient and accurate recognition and calculation performance in this embodiment, a kind of answer sheet is specially designed, such as figure 1 As shown, the answer sheet designed in this embodiment mainly includes three parts:

[0032] First, the student information part, including student name, student number, score, etc., this part does not need to be identified, it is mainly used for user statistics;

[0033] Second, the effective answer area, this part mainly includes the question option area, and the feature element extraction mainly performs related processing on this area;

[0034] Third, the image recognition area, this part is mainly a ...

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Abstract

The invention discloses an examination paper marking method based on augmented reality technology. The method comprise the step processes of first-phase preparation work, core image processing work, score accounting period, score augmented display period and the like; the first-phase preparation work comprises design of answer sheets, entering of test paper standard answer, information acquisition of answer sheets and the like; the core image processing work comprises geometric correction of imagery, effective region positioning of the answer sheets, detection and extraction of characteristic elements of the effective regions of the answer sheets and result writing of xml files; the score accounting period mainly comprises accounting of scores of the answer sheets; the score display method mainly comprises displaying the scores by combining the augmented reality technology, recording for a user and the like. According to the method, the device is simple and convenient, the operation is easy, various conditions of correct choice, mistake choice, multiple choice, mis-choice and the like can be identified, the accuracy rate is higher, the detection identification speed is higher, the method is greatly convenient for the user, and the method has extremely good research values and practical values.

Description

technical field [0001] The invention relates to the technical field of marking and marking, in particular to a marking method based on augmented reality technology. Background technique [0002] Since Google released the Android operating system, Android has shown a momentum of rapid development. Today, the latest statistics from the Internet Data Center (IDC) show that in the first quarter of 2013, the Android operating system ranked first in the global market share, with a share of more than 75%, and the number of new smartphones installed with the Android system jumped to 162.1 million units. And according to the analysis of relevant persons, this state of development of Android will have the opportunity to continue. Now mobile terminals of the Android system have sprung up like mushrooms after rain, including mobile phones and tablets. The characteristics of these mobile terminals are easy to carry, strong hardware support, coupled with rich software systems, will pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00
Inventor 何汉武陈和恩宋春雨黄垚波
Owner GUANGDONG UNIV OF TECH
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