近年來隨著資訊科技的演進，人機互動的形式愈來愈趨向多元，也愈來愈貼近使用者的需求，於是相關應用軟體也愈來愈生動且愈吸引人。其中由於視覺的直覺性，透過電腦視覺結合數位內容的遊戲更成為市場的一大主流。本研究利用Webcam與紙板開發出一套簡易且直覺的輸入介面裝置，讓使用者只需以極低成本就能夠與電腦遊戲作互動。

With information technology progress, human-computer interactions become diverse and approach to users' needs. The related application software becomes more and more vivid and attractive. Because of its intuition, computer vision based computer games play a major role in the software market. In this paper, we present an intuitive input interface design using a webcam and a piece of paper that enables an user to interact with computer games with low cost.