基于Opencv的平抛运动教学仪器改进设计
首发时间:2018-03-08
摘要:针对高中物理的平抛基于Opencv的平抛运动教学仪器改进设计运动实验,分析已有教学仪器与教学过程中存在的不足,并对平抛运动演示仪J2154进行结构改进。采用opencv视觉库与matlab相机标定工具对单目摄像头进行标定与矫正。对可能存在的光污染设计预处理程序,从而增强各种光照环境适应性。使用opencv视觉库中的图像处理技术对运动小球位置进行实时获取,并输出各相关参数与图表。针对平抛运动的软件与硬件的实现能够直观的显示平抛运动过程,且操作简单,便于教学。
关键词: 物理教学 Opencv 平抛运动 匀速直线运动 自由落体运动 运动的合成与分解
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Improved design of horizontal projectile motion teaching based on Opencv
Abstract: In view of the high school physics horizontal projectile movement experiment, analyzed the shortcomings of existing teaching instrument and teaching process,and improved the structure of the horizontal projectile motion demonstration instrument J2154. Use Opencv visual library and Matlab camera calibration tool to calibrate and correct monocular camera. Design preprocessor for possible light pollution to enhance the adaptability of various lighting environments. The image processing technique in Opencv visual library is used to obtain the moving ball position in real time and output the relevant parameters and charts. The realization of the software and hardware of the flat throwing motion can display the flat throwing motion process intuitively, and the operation is simple and convenient for teaching.
Keywords: physics teaching Opencv horizontal projectile motio uniform linear motion free-fall motion The synthesis and decomposition of motion
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