| 运动影像测量方法与误差分析 |
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| 引用本文： | 贾谊,严波涛.运动影像测量方法与误差分析[J].天津体育学院学报,2011,26(2):163-166. |
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| 作者姓名： | 贾谊 严波涛 |
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| 作者单位： | 1. 上海体育学院运动科学学院,上海,200438
2. 西安体育学院体育科学研究院,陕西西安,710068 |
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| 基金项目： | 中北大学哲学社会科学研究立项课题（项目编号：2009J013）；中北大学科学基金项目（项目编号：2009097） |
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| 摘 要： | 对此前有关影像测量误差的研究成果和结论进行总结,认为影像测量误差的主要来源为人因误差、环境误差和装置误差等几个方面,并可分为系统误差和随机误差两类。另外,对确定影像测量精度的方法进行归纳总结,主要可分为理论分析法和实验测试法。还对减小影像测量误差的方法进行归纳,消除系统误差的主要方法有:粘贴皮肤标志点法、设置参照点法、周期运动对侧关节点计算法、局部拍摄法以及同步多框架分析标定技术等;消除随机误差的主要方法是对原始数据的平滑。
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| 关 键 词： | 运动生物力学 影像测量 系统误差 随机误差 |
Analysis of Measurement and Errors in Sports Film and Video |
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| JIA Yi,YAN Botao.Analysis of Measurement and Errors in Sports Film and Video[J].Journal of Tianjin Institute of Physical Education,2011,26(2):163-166. |
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| Authors: | JIA Yi YAN Botao |
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| Institution: | 1.School of Sport Science,Shanghai University of Sport,Shanghai 200438,China;2.School of Sport Science,Xi’an Physical Education University,Xi’an 710068,China) |
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| Abstract: | In this paper,the research and conclusion about film and video measurement errors analysis was reviewed.Three errors have been considered to be the main error recourses:human errors,environment errors and equipment errors.Simultaneity,some methods how to confirm the error quantity were concluded.The methods consisted theory analysis and experiment analysis.This article has also concluded the methods how to reduce film and video measurement errors.The methods to reduce system errors include paste skin makers,set reference point,calculate opposite joint,part shoot and SMAC(simultaneous multi-frame analytical calibration) technique,etc.The methods to reduce random errors were mainly about raw data smoothing. |
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| Keywords: | sports biomechanics film and video measurement system errors random errors |
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