Cited 0 time in webofscience Cited 0 time in scopus

External Light Noise-Robust Multi-Touch Screen Using Frame Data Differential Method

Title
External Light Noise-Robust Multi-Touch Screen Using Frame Data Differential Method
Authors
Lee, GJ[Lee, Gwang Jun]Lee, SK[Lee, Sang Kook]Lyu, HK[Lyu, Hong Kun]Jang, JE[Jang, Jae Eun]
DGIST Authors
Lee, GJ[Lee, Gwang Jun]; Lee, SK[Lee, Sang Kook]; Lyu, HK[Lyu, Hong Kun]Jang, JE[Jang, Jae Eun]
Issue Date
2015-09
Citation
IEEE/OSA Journal of Display Technology, 11(9), 759-763
Type
Article
Article Type
Article
Keywords
Differential MethodsDiffuse IlluminationElectrical DevicesErrorsFluorescent LightFrame DataFrame Data Differential (FDD) MethodHardware ModificationsIncandescent LampsInfrared (IR) Touch SystemLight-Emitting DiodesLight SourcesMulti-Touch ScreenMulti-Touch SystemsNoise EnvironmentsTouch Screens
ISSN
1551-319X
Abstract
Camera based multi-touch systems with an infrared (IR) light source have been widely developed and applied to large-size interactive electrical devices. These multi-touch systems are easy to embed in large-sized screens because of their simple structure; however, touch errors due to external IR noise need to be resolved in various applications. An environment with incandescent lamps or sun light has a higher touch error ratio than that with fluorescent lights or LEDs because the aforementioned contain enough IR rays to induce a signal error. To solve this problem, the frame data differential (FDD) method was employed in a multi-touch system along with the rear side diffuse illumination method. The FDD method removed well the IR noise signal without any additional hardware modification to the touch system, and the touch accuracy and sensitivity were dramatically improved in a high IR noise environment compared with the conventional touch sensing method. © 2005-2012 IEEE.
URI
http://hdl.handle.net/20.500.11750/1565
DOI
10.1109/JDT.2015.2438317
Publisher
Institute of Electrical and Electronics Engineers Inc.
Related Researcher
  • Author Jang, Jae Eun Advanced Electronic Devices Research Group(AEDRG)
  • Research Interests
Files:
There are no files associated with this item.
Collection:
ETCETC
Division of IoT∙Robotics Convergence Research1. Journal Articles
Intelligent Devices and Systems Research Group1. Journal Articles
ETC1. Journal Articles


qrcode mendeley

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE