Baumer EXG03c Gebruikershandleiding - Pagina 18

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Baumer EXG03c Gebruikershandleiding
Figure 17 ►
Partial Scan:
Parameters of the ROI.
18
On Baumer EXG cameras the correction factor γ is adjustable from 0.001 to 2.
The values of the calculated intensities are entered into the Look-Up-Table (see 4.1.4.). 
Thereby previously existing values within the LUT will be overwritten. 
Notice
If the LUT feature is disabled on the software side, the gamma correction feature also 
is disabled.
4.1.7 Partial Scan / Area of Interest (AOI)
With the "Partial Scan" function it is possible to predefine a so-called Area / Region of 
Interest (AOI / ROI). This ROI is an area of pixels of the sensor. On image acquisition, 
only the information of these pixels is sent to the PC. Therefore all the lines of the sensor 
need not be read out, which decreases the readout time (t
rate.
This function is employed, when only a region of the field of view is of interest. It is coupled 
to a reduction in resolution.
The ROI is specified by four values:
▪ Offset X  - x-coordinate of the first relevant pixel
▪ Offset Y  - y-coordinate of the first relevant pixel
▪ Size X 
- horizontal size of the ROI
▪ Size Y 
- vertical size of the ROI
). This increases the frame 
readout
Start ROI
End ROI