Grant I, Zhao Y, Smith G H, Stewart J N
Appl Opt. 1995 Jul 1;34(19):3806-9. doi: 10.1364/AO.34.003806.
Measurements of water wave shapes with stereogrammetry methods require the identification of key features from a minimum of two viewpoints to determine surface topography. A technique that produces a matrix of laser beams from a single source through the use of a holographic lenslet array is described. The beams were used to produce a matrix of highlights on the water wave surface.
Stereogrammetry techniques were then employed to calculate the surface shape from the matrix of imposed highlight features. A laboratory demonstration of the technique is presented, and a discussion of its extension to field conditions is given. A split-screen viewing system was devised to permit the highlights from different angles to be viewed simultaneously with a single camera.
用立体摄影测量法测量水波形状需要从至少两个视角识别关键特征，以确定表面地形。本文描述了一种通过使用全息微透镜阵列从单个光源产生激光束矩阵的技术。这些光束用于在水波表面产生亮点矩阵。
然后采用立体摄影测量技术从施加的亮点特征矩阵计算表面形状。给出了该技术的实验室演示，并讨论了将其扩展到野外条件的情况。设计了一种分屏观看系统，以便用单个相机同时观看来自不同角度的亮点。
