Real-time recognition of throwing action in augmented reality system

doi:10.3778/j.issn.1002-8331.2010.05.062

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (5): 205-207.DOI: 10.3778/j.issn.1002-8331.2010.05.062

• 工程与应用 • Previous Articles Next Articles

Real-time recognition of throwing action in augmented reality system

YAO Zheng-wei^1，2，CHEN Yi-min¹，CHEN Ming¹

1.School of Computer Engineering and Science，Shanghai University，Shanghai 200072，China
2.School of Information Engineering，Hangzhou Normal University，Hangzhou 310018，China

Received:2008-08-18 Revised:2008-10-06 Online:2010-02-11 Published:2010-02-11
Contact: YAO Zheng-wei

增强现实系统中的抛掷动作实时识别

姚争为^1，2，陈一民¹，陈明¹

1.上海大学计算机工程与科学学院，上海 200072
2.杭州师范大学信息工程学院，杭州 310018

通讯作者: 姚争为

Abstract

Abstract: In our augmented reality system，the throwing is taken as a main interactive method.So the system must have the abi-lity of action recognition and quick response.The character of throwing is analyzed firstly，and the changing law of its velocity is emphasized.Based on them，a new algorithm is designed with the knowledge of moving-average and fuzzy synthetic judgment.This algorithm can recognize the throwing，and calculate the initial velocity of the virtual object.The experiments demonstrate the system needn’t limit the throwing type and velocity，and has a good real-time ability.

Key words: action recognition, average-moving, fuzzy synthetic judgment, throwing, augmented reality

摘要： 在增强现实系统中，以抛掷作为主要交互手段，必须要具备高效的动作识别和响应能力。从抛掷动作的特征入手，着重分析了它的速度变化规律。依据此规律，设计了滑动平均结合模糊综合评判的算法，实现了对抛掷动作的准确判断，和虚拟物体的起抛速度的精确计算。实验结果表明，系统不受抛掷速度和种类的限制，有很好的实时性。

关键词: 动作识别, 滑动平均, 模糊综合评判, 抛掷, 增强现实

CLC Number:

TP391.9

YAO Zheng-wei^1，2，CHEN Yi-min¹，CHEN Ming¹. Real-time recognition of throwing action in augmented reality system[J]. Computer Engineering and Applications, 2010, 46(5): 205-207.

姚争为^1，2，陈一民¹，陈明¹. 增强现实系统中的抛掷动作实时识别[J]. 计算机工程与应用, 2010, 46(5): 205-207.

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Real-time recognition of throwing action in augmented reality system

增强现实系统中的抛掷动作实时识别

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