The Grading Multiple Choice Tests System via Mobile Phone using Image Processing Technique

被引：7
|
作者：
Yimyam, Worawut [1 ]
Ketcham, Mahasak [2 ]
机构：
[1] Phetchaburi Rajabhat Univ, Fac Management Sci, Phetchaburi, Thailand
[2] King Mongkuts Univ Technol North Bangkok, Dept Informat Technol Management, Bangkok, Thailand
来源：
INTERNATIONAL JOURNAL OF EMERGING TECHNOLOGIES IN LEARNING | 2018年 / 13卷 / 10期
关键词：
Grading multiple choice tests; Image processing; Edge Detection;
D O I：
10.3991/ijet.v13i10.8341
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
Grading devices are expensive causing budget waste, in addition some are difficult to use. Therefore, an objective test grading system via Android mobile phone was developed to save cost and time in grading. The system uses image processing technique developed by Java. A camera on a mobile phone was used to capture the edge of answers and an equation of geometric simulation of digital camera sensor was applied to identify answers selected from calculation of pixel intensity in real time. The objective test grading system via Android mobile phone can work effectively and accurately more than 95%.
引用
收藏
页码：260 / 269
页数：10
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