摘要
本论文针对学生上课期间的视频数据,提取学生上课期间的姿态、面目表情等视频关键帧信息进行分析,进而得到客观的学生上课期间的学习状态,根据这些客观的数据,可以分析出授课教师授课期间或者部分授课时间或者某一个知识点的绝大部分学生的表现,进而可以利用分析结果提醒教师继续沿用或者改进授课方式、方法,最终达到更好的授课效果。
In this paper, we analyze the pose, expression of faces and so on abstracted from videos of students inclass, then we can objectively get the status while students studying. According to this, we can analyze students＇ expres-sion while teacher is giving a lecture or part of giving a lecture or one knowledge point , then remind teachers keep ormodify the means and method while teachers give the lecture and we obtain the better results of teaching students.
作者
孙元
姜楠
戴宏
SUN Yuan;JIANG Nan;DAI Hong(Public Computer Education and Research Center,Jilin University,Changchun 130025,China;Network Center,Jilin University,Changchun 130025,China)
出处
《教育教学论坛》
2018年第40期97-98,共2页
Education And Teaching Forum
基金
吉林大学教学改革项目
项目号:451170404246
关键词
课堂教学
视频
关键帧
实现
teaching in class
video,
key frame
implement
