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11 Image Data Processing
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Figure 11.4: Triangulation setup 2
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Figure 11.5: Triangulation setup 3
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All pixels with grey value below the signal threshold value will be ignored. This filters out
the image background.
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The width threshold is used in the calculation of the laser line width (see below). It has to
be higher than (or equal to) the signal threshold.
The LineFinder Algorithm has an additional configurable threshold called saturation hysteresis.
This feature becomes relevant when a lot of pixels in a laser line are saturated. In this case, the
algorithm starts counting saturated pixels at the first saturated pixel in a column, but only
stops counting when the pixel value drops below the saturation hysteresis threshold again.
The following output values are calculated column wise (see also Fig. 11.7):
Peak coordinate
Vertical coordinate of the laser line peak
Laser line width
The laser line width is the number of pixels that have a grey value above the
width threshold around the laser peak. If there are no pixels at the peak position that are
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MAN082 09/2019 V1.0
Содержание MV0 3D06 Series
Страница 10: ...1 Preface 10 of 125 MAN082 09 2019 V1 0...
Страница 20: ...3 Product Specification 20 of 125 MAN082 09 2019 V1 0...
Страница 38: ...4 Image Acquisition 38 of 125 MAN082 09 2019 V1 0...
Страница 48: ...5 Counter Timer 48 of 125 MAN082 09 2019 V1 0...
Страница 58: ...9 Image Format Control 58 of 125 MAN082 09 2019 V1 0...
Страница 62: ...10 Frame Rate 62 of 125 MAN082 09 2019 V1 0...
Страница 88: ...11 Image Data Processing 88 of 125 MAN082 09 2019 V1 0...
Страница 92: ...12 Precautions 92 of 125 MAN082 09 2019 V1 0...
Страница 100: ...13 Hardware Interface 100 of 125 MAN082 09 2019 V1 0...
Страница 104: ...14 Mechanical Considerations 104 of 125 MAN082 09 2019 V1 0...
Страница 106: ...15 Troubleshooting 106 of 125 MAN082 09 2019 V1 0...
Страница 112: ...18 Support and Repair 112 of 125 MAN082 09 2019 V1 0...
Страница 114: ...19 References 114 of 125 MAN082 09 2019 V1 0...
Страница 125: ...D Document Revision History Revision Date Change 1 0 September 2019 First version MAN082 09 2019 V1 0 125 of 125...