Changes between Version 17 and Version 18 of Tutorial/GeometricCalibration


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Timestamp:
Jan 15, 2015, 9:49:37 AM (6 years ago)
Author:
vaillant1p
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  • Tutorial/GeometricCalibration

    v17 v18  
    1313Open the menu bar '''Tools/geometric calibration'''. A new GUI '''geometry_calib''' appears on the right side. Activate the upper menu bar '''!Tools/Set scale''' on this GUI and introduce the value 70 in the edit box which pops up, and validate with '''OK'''. A set of calibration point coordinates appears in the table '''[!ListCoord]''' of the GUI.
    1414
    15 To see the calibration points on the image, first display the whole image by unselecting '''fix''' (tag '''[!CheckFixLimits]''') in the frame '''Coordinates''' of uvmat. Then press '''PLOT PTS''' in '''geometry_calib'''.
     15To see the calibration points on the image, first display the whole image by unselecting '''fix''' (tag '''[!CheckFixLimits]''') in the frame '''Axes''' of uvmat. Then press '''PLOT PTS''' in '''geometry_calib'''.
    1616
    1717To perform the calibration, press '''APPLY''', first with the default option 'rescale' in '''calib_type'''.  The image is now displayed in phys coordinates. A xml file 'images.xml', containing the calibration parameters and reference point coordinates, has been created in the folder 'UVMAT_DEMO01_pair' (it should be identical with the file 'images.ref.xml' put for reference). [[BR]]Note that the xml file name reproduces the name of the folder containing the images, so that images from different cameras should not be