Position tracking based on particle filter for self-capacitance single-touch screen panels

Chih Lung Lin, Yi Ming Chang, Hung Sheng Chen, Cheng Yan Chuang, Ting Ching Chu

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This work presents a novel particle filter (PF) method to track nonlinear and non-Gaussian dynamic state-space models (DSSMs) for a capacitive touch panel system to achieve an accurate touch position and smooth trajectory when the touch movement changes rapidly with a nonlinear trajectory. Touched positions in the axis-intersect method are also detected using a micro-controller unit (MCU) and a sensor integrated circuit (IC). Additionally, the proposed PF method is designed to achieve the trajectory tracking of calculated positions timely. Experimental results demonstrate that the proposed PF method offers a better root mean square error (RMSE) of linear and nonlinear tracking trajectories than that of the Kalman filter (KF) based on the capacitive touch panel (CTP).

Original languageEnglish
Article number6924710
Pages (from-to)165-169
Number of pages5
JournalIEEE/OSA Journal of Display Technology
Volume11
Issue number2
DOIs
Publication statusPublished - 2015 Feb 1

Fingerprint

Touch screens
touch
Capacitance
capacitance
Trajectories
trajectories
filters
root-mean-square errors
Kalman filters
Mean square error
integrated circuits
Integrated circuits
controllers
Controllers
sensors
Sensors

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Lin, Chih Lung ; Chang, Yi Ming ; Chen, Hung Sheng ; Chuang, Cheng Yan ; Chu, Ting Ching. / Position tracking based on particle filter for self-capacitance single-touch screen panels. In: IEEE/OSA Journal of Display Technology. 2015 ; Vol. 11, No. 2. pp. 165-169.
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Position tracking based on particle filter for self-capacitance single-touch screen panels. / Lin, Chih Lung; Chang, Yi Ming; Chen, Hung Sheng; Chuang, Cheng Yan; Chu, Ting Ching.

In: IEEE/OSA Journal of Display Technology, Vol. 11, No. 2, 6924710, 01.02.2015, p. 165-169.

Research output: Contribution to journalArticle

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