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Multi-touch Detection Technology Using a Divergence IR Beam Profile for Large LCD Touch Solutions
Youngjoon Lee,Wonsuk Lee,Victor Pushchin,Moonbong Song 한국정보디스플레이학회 2010 Journal of information display Vol.11 No.4
This paper proposes a multi-touch detection technology that can be applied to large LCDs. To achieve this goal, a set of IR LEDs and sensors was used to construct an IR matrix, and a new algorithm based on Hough transform was applied. This approach reduced the “Ghost” response of the multi-touch detection technology to make it better than other IR touch recognition technologies, and showed robust performance in terms of multi-touch recognition.
Multi-touch Detection Technology Using a Divergence IR Beam Profile for Large LCD Touch Solutions
Lee, Young-Joon,Lee, Won-Suk,Pushchin, Victor,Song, Moon-Bong The Korean Infomation Display Society 2010 Journal of information display Vol.11 No.4
This paper proposes a multi-touch detection technology that can be applied to large LCDs. To achieve this goal, a set of IR LEDs and sensors was used to construct an IR matrix, and a new algorithm based on Hough transform was applied. This approach reduced the "Ghost" response of the multi-touch detection technology to make it better than other IR touch recognition technologies, and showed robust performance in terms of multi-touch recognition.