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针对现有技术的局限性,提出了一种在三维空间中确定一个物体相对于投影平面的空间六个自由度的方法。阐述了基于激光发射和图像识别的定位技术,采用虚拟发射装置向已知投影平面发射多束激光,通过已标定的摄像机拾取光束在平面的投射图案并计算投射点的位置,进而计算虚拟发射装置相对于平面的位置姿态,对影响定位精度的因素进行了分析。该技术在虚拟消防训练以及虚拟射击训练系统中得到了应用。
In view of the limitations of the prior art, a method of determining six degrees of freedom of an object relative to a projection plane in three-dimensional space is proposed. The positioning technology based on laser emission and image recognition is described. The virtual emission device is used to emit multiple laser beams to a known projection plane. The calibrated camera picks up the projection pattern of the light beam in the plane and calculates the location of the projection point. Then the virtual launch device Relative to the plane position and attitude, the impact of positioning accuracy of the factors were analyzed. The technology has been applied in virtual fire training and virtual shooting training system.