Image Acquisition Control AW00089317000
132 Basler ace GigE
In the overlapped mode of operation, the acquisition for a new frame begins while the camera is
still completing the acquisition process for the previous frame. This situation is illustrated in
Figure 71.
The way that you operate the camera will determine whether the frame acquisitions are overlapped
or not. If we define the “frame period” as the time from the start of exposure for line one in the frame
N acquisition to the start of exposure for line one in frame N+1 acquisition, then:
Exposure will ... If
not overlap
Frame Period >
Exposure Time Abs Parameter Setting + Total Readout Time
overlap
Frame Period
Exposure Time Abs Parameter Setting + Total Readout Time
Overlapped frame acquisition
can only be performed when the camera is in the electronic rolling shutter
mode (ERS).
cannot be performed when the camera is set for global reset release rolling
shutter mode.
Frame Acquisition N
Frame Acquisition N+1
Frame Acquisition N+2
= Line Exposure
= Line Readout
Time
ExFSTrig
Signal
Fig. 71: Overlapped Exposure and Readout
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