发明申请
US20050062719A1 Method and apparatus for computer input using six degrees of freedom 失效
使用六自由度的计算机输入的方法和装置

Method and apparatus for computer input using six degrees of freedom
摘要:
A computer input device includes a camera for capturing an image of a pattern on a surface. A processor in the computer input device determines equations for lines from the image of the pattern, applies the line equations to a transform to form transformed line equations, and uses the transformed line equations to determine the height of the computer input device above the surface.
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