CAJ | 학술논문

目前，多媒体教学在高校日常教学中占有重要地位，但多媒体教学系统由于各种原因容易损坏，严重影响教学的质量。本系统对现有多媒体教学系统增加一个摄像头，通过捕获授课教师的手势指令控制多媒体展示，避免了多媒体教学系统的人为损坏。提出基于二次检测的人手跟踪算法和基于人手运动轨迹的手势指令识别算法。经实验证明该系统快速稳定、抗干扰性强且与用户无关，可广泛应用于多媒体教学中。
목전，다매체교학재고교일상교학중점유중요지위，단다매체교학계통유우각충원인용역손배，엄중영향교학적질량。본계통대현유다매체교학계통증가일개섭상두，통과포획수과교사적수세지령공제다매체전시，피면료다매체교학계통적인위손배。제출기우이차검측적인수근종산법화기우인수운동궤적적수세지령식별산법。경실험증명해계통쾌속은정、항간우성강차여용호무관，가엄범응용우다매체교학중。
At present,multimedia teaching occupies an important position in college daily teaching. But multimedia teaching system is easy to be damaged by all sorts of reasons which seriously impact the quality of instruction. We add a camera in the existing system to catch gesture command of teachers to control the multimedia show which can avoid artificial damage of multimedia teaching system. This paper puts forward hand tracking algorithm on the base of twice detection and gestures instructions identification algorithm on the base of hand motion trail. This system is fast and stable, robust anti-jamming and irrelevant to the user. It can be widely used in multimedia teaching.