Assessment of camera models for use in planar velocimetry calibration
Willert, Christian (2006) Assessment of camera models for use in planar velocimetry calibration. Experiments in Fluids, 41 (1), pp. 135-143. DOI: 10.1007/s00348-006-0165-2.
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The performance of three implementations of pinhole-based camera models for use in common light-sheet imaging arrangements is investigated on the background of application to particle image velocimetry (PIV) and Doppler global velocimetry (DGV). Calibration data obtained from translated planar calibration targets was found to yield camera attitude within 0.1° on four different test cases with object distance varying as little as 2% depending on the choice of camera model. Camera calibration using data from a single image of coplanar points is considered a viable alternative to manual triangulation of camera positions but is restricted to off-normal viewing directions.
|Title:||Assessment of camera models for use in planar velocimetry calibration|
|Date:||01 July 2006|
|Journal or Publication Title:||Experiments in Fluids|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 135-143|
|Keywords:||digital imaging, camera calibration, camera model, flow imaging, image transformation, Doppler global velocimetry, stereo particle image velocimetry|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L ER - Engine Research|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L ER - Engine Research|
|DLR - Research theme (Project):||L - Virtual Engine and Validation Methods|
|Institutes and Institutions:||Institute of Propulsion Technology|
Institute of Propulsion Technology > Engine Measurement Systems
|Deposited By:||Dr.phil. Christian Willert|
|Deposited On:||21 Jul 2006|
|Last Modified:||27 Apr 2009 12:57|
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