Reduction of Noise Spikes in Touch Screen Systems by Low Pass Spatial Filtering

Shuo Gao; David McLean; Jackson Lai; Charles Micou; Arokia Nathan

doi:10.1109/JDT.2016.2550519

Reduction of Noise Spikes in Touch Screen Systems by Low Pass Spatial Filtering

Shuo Gao
, David McLean
, Jackson Lai
, Charles Micou
, Arokia Nathan

科研成果: 期刊稿件 › 文章 › 同行评审

10 引用（Scopus）

摘要

This paper reports on a low-pass spatial filtering technique for reduction of noise spikes in capacitive touch screen panels. Filter bandwidth is adjusted by dynamically evaluating attenuation of signal and noise spikes. Based on the experimental results, we boost the signal-to-noise ratio by 15.6 dB and attenuate noise spikes by 19.25 dB. The processed signal yields higher detection accuracy and lower power consumption.

源语言	英语
文章编号	7447669
页（从-至）	957-963
页数	7
期刊	IEEE/OSA Journal of Display Technology
卷	12
期	9
DOI	https://doi.org/10.1109/JDT.2016.2550519
出版状态	已出版 - 9月 2016
已对外发布	是

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abstract = "This paper reports on a low-pass spatial filtering technique for reduction of noise spikes in capacitive touch screen panels. Filter bandwidth is adjusted by dynamically evaluating attenuation of signal and noise spikes. Based on the experimental results, we boost the signal-to-noise ratio by 15.6 dB and attenuate noise spikes by 19.25 dB. The processed signal yields higher detection accuracy and lower power consumption.",

keywords = "Capacitance touch screen panels (TSPs), low-pass spatial filtering, noise spike reduction and signal attenuation",

author = "Shuo Gao and David McLean and Jackson Lai and Charles Micou and Arokia Nathan",

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AU - McLean, David

AU - Lai, Jackson

AU - Micou, Charles

AU - Nathan, Arokia

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KW - low-pass spatial filtering

KW - noise spike reduction and signal attenuation

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Reduction of Noise Spikes in Touch Screen Systems by Low Pass Spatial Filtering

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