On a gesture-computing technique using electromagnetic waves

On a gesture-computing technique using electromagnetic waves
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利用电磁波的手势计算技术

DOI:
10.3934/ipi.2018029
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发表时间:
2017-08
影响因子:
1.3
通讯作者:
Hongpeng Sun
Hongpeng Sun
中科院分区:
数学4区
文献类型:
--
作者:
Jingzhi Li;Hongyu Liu;Hongpeng Sun

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本文研究了一种基于电磁波检测的概念性手势指令/输入技术。姿态被建模为一些不可穿透或可穿透的散射体的形状,这些散射体来自某个可接受的类别,称为字典。手势计算设备生成用于手势识别和检测的时间谐波电磁点信号。然后,它在包含点源的有界表面上相对较小的反向散射孔径中收集散射波。识别算法由两个阶段组成,只需要两个不同波数的入射波。散射体的位置首先通过使用在小波数下的测量数据来近似地确定,然后使用散射体的计算位置和在规则波数下的测量数据来识别散射体的形状。通过严密的分析,给出了相应的数学原理.数值实验表明,该装置的工作效率和有效性。
This paper is concerned with a conceptual gesture-based instruction/input technique using electromagnetic wave detection. The gestures are modelled as the shapes of some impenetrable or penetrable scatterers from a certain admissible class, called a dictionary. The gesture-computing device generates time-harmonic electromagnetic point signals for the gesture recognition and detection. It then collects the scattered wave in a relatively small backscattering aperture on a bounded surface containing the point sources. The recognition algorithm consists of two stages and requires only two incident waves of different wavenumbers. The location of the scatterer is first determined approximately by using the measured data at a small wavenumber and the shape of the scatterer is then identified using the computed location of the scatterer and the measured data at a regular wavenumber. We provide the corresponding mathematical principle with rigorous analysis. Numerical experiments show that the proposed device works effectively and efficiently.
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发表时间: 2007-12
期刊: --
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