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首页> 外文期刊>Japanese journal of applied physics >Finger and stylus discrimination scheme based on capacitive touch screen panel and support vector machine classifier
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Finger and stylus discrimination scheme based on capacitive touch screen panel and support vector machine classifier

机译：基于电容式触摸屏面板和支持向量机分类器的手指和触控笔辨别方案

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摘要

This paper demonstrates a support vector machine (SVM) based capacitive touch screen scheme that can discriminate stylus and finger at the same time. The tip of a stylus provides pulses at the higher frequency than the transmitting (Tx) pulse of a touch screen. Then the digital value acquired from an analog-to-digital converter is transferred to an SVM classifier to make the decision of which touch is applied among no-touch, finger-touch, and stylus-touch. Three types of touches are processed on the SVM algorithm. The proposed method is evaluated by means of an 8 inch capacitive touch panel, connector board, Tx/Rx driver board, and host processor board. While Tx pulses are applied at 5 V and 32 kHz that lead to the 200 Hz reporting rate, stylus pulses are produced at 3 V and 315 kHz. The resultant bit error rate is measured as less than 10(-6) for all types of touches. (C) 2019 The Japan Society of Applied Physics
机译：本文演示了一种基于支持向量机（SVM）的电容式触摸屏方案，可以同时区分手写笔和手指。触控笔的尖端提供比触摸屏的发射（Tx）脉冲更高的频率的脉冲。然后，从模数转换器获取的数字值被传送到SVM分类器，以使得在无触控，手指触摸和触控笔之间施加触摸的决定。在SVM算法上处理了三种类型的触摸。该方法通过8英寸电容式触摸板，连接器板，TX / RX驱动板和主处理器板进行评估。虽然TX脉冲以5 V和32 kHz施加，但导致200 Hz报告速率，触控笔脉冲以3 V和315 kHz产生。对于所有类型的触摸，所得误码率为小于10（-6）。 （c）2019年日本应用物理学会

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  • 来源
    《Japanese journal of applied physics》 |2019年第7期|074501.1-074501.9|共9页
  • 作者

    Seol Ki-Hyuk; Park Seungjun; Song Seok-Jeong; Nam Hyoungsik;

  • 作者单位

    Kyung Hee Univ Dept Informat Display Seoul 02447 South Korea;

    Kyung Hee Univ Dept Informat Display Seoul 02447 South Korea;

    Kyung Hee Univ Dept Informat Display Seoul 02447 South Korea;

    Kyung Hee Univ Dept Informat Display Seoul 02447 South Korea;

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