基于学生课堂行为识别的教学质量智能评价系统设计  

Design of teaching quality intelligent evaluation system based on recognition of students′classroom behavior

作　　者：王兴[1] 卞浩瑄 朱彬[1,3] 安俊琳[1,3] WANG Xing;BIAN Haoxuan;ZHU Bin;AN Junlin(Experiment Teaching Center for Atmospheric and Environmental Sciences,Nanjing University of Information Science&Technology,Nanjing 21004,China;School of Marxism,Nanjing University of Information Science&Technology,Nanjing 210044,China;National Demonstration Center for Experimental Atmospheric Science and Environmental Meteorology Education,Nanjing University of Information Science&Technology,Nanjing 210044,China)

机构地区：[1]南京信息工程大学大气与环境实验教学中心,江苏南京210044 [2]南京信息工程大学马克思主义学院,江苏南京210044 [3]南京信息工程大学大气科学与环境气象国家级实验教学示范中心,江苏南京210044

出　　处：《现代电子技术》2021年第14期109-113,共5页Modern Electronics Technique

基　　金：国家自然科学基金项目(41805033);江苏高校哲学社会科学研究基金项目(2018SJA0144);江苏高校哲学社会科学研究思政专项(2017SJBFDY490);国家级虚拟仿真实验中心建设项目(教高厅函[2014]6号)。

摘　　要：文中设计一种通过对学生课堂行为识别追踪,实现课堂教学质量智能评价的方法及软件系统。该系统的硬件主要包括摄像机、单片机、计算机服务器和必要的网络实施,单片机的核心技术主要包括ARM架构下基于AI技术的教师讲授内容智能提取和学生课堂行为智能识别。该系统能够实时跟踪课堂上教师的授课质量和学生的听课质量,通过学生到课率、抬头率、点头率等统计结果,给出客观、量化的教学质量评价报告,为教师课后了解和改进所授内容以及教学职能部门掌握教学质量提供辅助决策。A method and software system for an intelligent assessment of teaching quality in class are designed in the paper,which relies on identifying and tracking student behavior in class.The hardware of the system mainly includes cameras,MCU,servers,and necessary network equipments.The core technology of the MCU mainly includes the teaching content extraction and students'classroom behavior intelligent recognition based on ARM architecture and AI technology.This system can track the lecture quality of teachers and the learning quality of students in real time.The objective and quantitative teaching quality evaluation reports are provided according to statistical results such as students′arrival rate,head-up rate,nod rate,etc.This system can provide the teachers with some conditions that the teachers know their shortcomings after class and improve their teaching contents,and provide supplementary decision-making for the academic affairs department to master the teaching quality.

关 键 词：课堂教学 教学质量评价 课堂行为识别 人体行为识别 授课内容提取 实时跟踪 智能识别 

分 类 号：TN915-34[电子电信—通信与信息系统] G434[电子电信—信息与通信工程]