Automatic Light Control Region Of Interest - Raptor Photonics HAWK 252 User Manual

8.3.2 Automatic Light Control Region of Interest

A Region of Interest (ROI) within the main active region of 1280 x 1024 may be defined. This
region is used to calculate peak and average video levels to drive the Automatic Light
Control (ALC) function of the camera (discussed in section 8.3.1).
The ROI offset and sizes are outlined in Figure 9.
Figure 9: Region of Interest Size and Offset.
The active ROI for the ALC can be adjusted from the "Auto ROI" tab in the XCAP GUI,
shown in Figure 10.
The ROI can be moved to within a resolution of 8 pixels in the X and Y axis and the ROI size
will have a resolution of 8 pixels. The default ROI settings are shown in Figure 10.
An optional ROI outline feature can be enabled that highlights a 1 pixel wide box around the
active ROI set. This can be enabled by selecting "ROI Box" from the "ROI Highlight"
dropdown box.
Figure 10: Region of Interest Size and Offset Controls.
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