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坐标转换在移动用户行为识别中的应用

, PP. 30-34

Keywords: 加速度传感器,坐标转换,行为识别,穿戴位置

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Abstract:

为了降低手机放置位置对移动用户行为识别的影响,提出了一种坐标转换的方法,将手机加速度传感器所获取的加速度信号通过方向传感器从手机坐标系转换到方位坐标系,使用蚁群算法对转换前后各坐标系的加速度信号进行特征优选,利用神经网络分类器对移动用户行为进行识别.实验结果证明,该坐标转化方法减少了重力加速度和手机放置位置对加速度信号的影响,有效提高了移动用户行为识别的准确率.

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