A threshold-based pattern recognition to filter noise on an embedded on-cell touch panel

Yen Ting Chen, Tseng Yi Chen, Heng Yin Chen, Wei Kuan Shih

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

1On-cell touch is a kind of a touchscreen technology which reduces the thickness of display. Based on the architecture of on-cell touchscreen technology, cover glass structures is integrated with touch sensors. Although a one-glass solution can successfully reduces the thickness of display, the sensitivity of touch detection is also decreased because of the integration of cover glass structures and touch sensors. Recently, most solutions increase the sensitivity of touch detection by built-in extra hardware devices such as controller and display-driver IC. However, the extra devices also results in higher cost of production. To resolve this issue, this study proposes an algo-rithm called Threshold-based Pattern Recognition (TPR), which filters touch sensor noises on a on-cell touch panel. For system demonstration, we integrate the proposed algorithm into Linux driver on the Friendly-ARM 210 embedded platform. As the demonstration shows, the proposed algorithm can correctly reflect the coordinates of the on-cell touch panel on the display.

Original languageEnglish
Title of host publicationProceedings of the 2015 International Conference on Image Processing, Computer Vision, and Pattern Recognition, IPCV 2015
EditorsHamid R. Arabnia, Leonidas Deligiannidis, Fernando G. Tinetti, George Jandieri, Gerald Schaefer, Ashu M. G. Solo
PublisherCSREA Press
Pages256-257
Number of pages2
ISBN (Electronic)1601324049, 9781601324047
StatePublished - 2015
Event2015 International Conference on Image Processing, Computer Vision, and Pattern Recognition, IPCV 2015, at WORLDCOMP 2015 - Las Vegas, United States
Duration: 27 Jul 201530 Jul 2015

Publication series

NameProceedings of the 2015 International Conference on Image Processing, Computer Vision, and Pattern Recognition, IPCV 2015

Conference

Conference2015 International Conference on Image Processing, Computer Vision, and Pattern Recognition, IPCV 2015, at WORLDCOMP 2015
Country/TerritoryUnited States
CityLas Vegas
Period27/07/1530/07/15

Keywords

  • Embedded system
  • On-cell touch
  • Pattern recognition
  • Sensor noise

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