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对三维PIV中透视投影的视点定位与透视平面的确定技术作了深入的研究，提出了一种确定视点坐标与透视平面的方法，给出了相应的数学关系式，最后通过实验的方法对视点坐标与透视平面的确定技术进行了检验。
In this paper, we make a deep research on the perspective positioning and perspective plane determination of perspective projection in 3D PIV, put forward a method to determine the coordinates and plane of perspective, and give the corresponding mathematical relation. Finally, Coordinate and perspective plane to determine the technology was tested.