JAI AD-131GE, User Manual

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AD-131GE
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8.2. Partial scan (JAI Partial Scan ON)
Partial scan allows higher frame rates by reading out a smaller center portion of the image,
reducing vertical resolution. This is particularly useful when inspecting objects that do not fill
the whole height of the image. In order to activate this function, Fast Dump register should be
ON.
Full scan Partial Scan
The partial scan mode for AD-131GE is variable. The first line and the height to be read out can
be set.
The variable scan readout is connected with the ROI settings.
1. If ROI is set, these settings are applied to the partial scan settings.
2. If the multi ROI is used, the smallest number of the line and the largest number of the line
define the partial scan area.
3. In the case of sequence trigger, it is the same as for multi ROI. The smallest line and the
largest line define the partial scan.
In order to execute the partial scan, the JAI Partial Scan should be ON.
1. The start line and end line 2,3 The start line and end line
if ROI is set if Multi ROI is set.
Height 1+2+3+4+5
≦
966
Fig.25 Partial scan
ROI
Offset Y
Height
ROI 1
ROI 3
ROI 2
ROI 4
ROI 5
Height 1
Height 3
Height 2
Height 4
Height 5
Offset Y1
Fast-dump period
Fast-dump period
Normal scan period