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- W1574002800 abstract "We propose an algorithm which detects the touch of the fingertip on a general wall using the shadow information. Nowadays, there is a demand for presentation system which can perceive the presenter`s action so that the presenter can use natural movements without extra interface hardware. One of the most fundamental techniques in this area is the detection of the fingertip and the recognition of the touch of the fingertip on the screen. The proposed algorithm recognizes the touch of the fingertip without using the depth information, and therefore needs no depth or touch sensing devices. The proposed method computes the convex hull points of both the fingertip and the shadow of the fingertip, and then computes the distance between those points to decide whether a touch event has occurred. Using the proposed method, it is possible to develop a new projector device which can perceive a fingertip touch on a general wall." @default.
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- W1574002800 date "2014-12-01" @default.
- W1574002800 modified "2023-09-24" @default.
- W1574002800 title "일반벽 터치 스크린의 손가락 터치 판별을 위한 그림자 정보의 사용" @default.
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