Changes between Version 23 and Version 24 of Tutorial/ParticleImageVelocimetry


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Timestamp:
Jan 15, 2015, 5:47:44 PM (9 years ago)
Author:
vaillant1p
Comment:

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  • Tutorial/ParticleImageVelocimetry

    v23 v24  
    5555
    5656= From pixel displacement to velocity =
    57  So far all PIV results have been expressed as image displacement expressed in pixels. Conversion to velocity requires geometric calibration and timing information. Calibration is described in [wiki:Tutorial/GeometricCalibration geometric calibration]. The result of calibration is stored in an xml file.
     57So far all PIV results have been expressed as image displacement expressed in pixels. Conversion to velocity requires geometric calibration and timing information. Calibration is described in [wiki:Tutorial/GeometricCalibration geometric calibration]. The result of calibration is stored in an xml file.
    5858
    5959The time interval between the two images, Dt=0.02 s, must be introduced in this xml file by adding a section <Camera>, using a text editor: