| 摘要 |
PROBLEM TO BE SOLVED: To provide a system which efficiently obtains for the absolute position of in two dimensions. SOLUTION: The system which detects the absolution position in two-dimension is included, having a target of the two-dimensional target pattern (106). A sensor (102) captures the image (312) of the first subset of this target pattern. A controller (101) forms a second imaging vector (318), representing the sum total of the first imaging vector (314) and the columns of the pixel value from this imaging. The controller asks for the absolute two-dimensional position of the first subset to the origin position of the target pattern, based on the first and second imaging vectors and the target vector representing the target pattern. COPYRIGHT: (C)2007,JPO&INPIT
|
