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옵티컬 트래킹 시스템 및 옵티컬 트래킹 시스템의 마커부 자세 및 위치 산출방법
Year of Patent
2019
Inventor
김민영,채유성,이현기
Nationality
일본
Patent Number
JP6357251B2

The optical tracking system includes a marking section, an imaging section, and a processing section. The marking part includes a pattern having specific information and a 1 st lens. The 1 st and 2 nd imaging sections include 2 nd and 3 rd lenses and 1 st and 2 nd imaging units, respectively. The processing unit determines the posture of the marking unit from a 1 st coordinate conversion formula between the coordinates on the pattern surface of the pattern and the 1 st pixel coordinates on the 1 st image of the pattern and a2 nd coordinate conversion formula between the coordinates on the pattern surface of the pattern and the 2 nd pixel coordinates on the 2 nd image of the pattern including the rotation conversion between the 1 st pixel coordinates and the 2 nd pixel coordinates on the 2 nd image of the pattern, and tracks the marking unit using the determined posture of the marking unit. Thus, the marker can be accurately tracked by a simpler and easier method. 


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