Digital photogrammetric techniques for high-resolution three-dimensional flow velocity measurements

Hans-Gerd Maas; Armin Gruen

doi:10.1117/12.204687

1 July 1995 Digital photogrammetric techniques for high-resolution three-dimensional flow velocity measurements

Hans-Gerd Maas; Armin Gruen;

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Optical Engineering, 34(7), (1995). doi:10.1117/12.204687

Abstract

Two different photogrammetric techniques for the determination of high-resolved simultaneous 3-D velocity fields in flows are outlined and compared: a technique based on the discrete visualization of a flow with tracer particles and recording of image sequences by multiple CCD cameras, and a technique based on scanning an observation volume of a flow marked with dye by a laser Iightsheet and tracking of flow patterns by 3-D least-squares matching in sequences of voxel datasets. The article shows the principles of both methods, hardware configurations for data acquisition, application fields, and results achieved.

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Hans-Gerd Maas, Armin Gruen, "Digital photogrammetric techniques for high-resolution three-dimensional flow velocity measurements," Optical Engineering 34(7), (1 July 1995). https://doi.org/10.1117/12.204687

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