Aca-750 Acquisition Differences; Overview - Basler GIGE VISION ace acA640-100gm/gc Manual

Image Acquisition Control
6.6
6.6.1
In almost all respects, acquisition triggering on acA750 model cameras adheres to the acquisition
control description provided throughout in this chapter. But because the acA750 models have an
interlaced sensor (rather than the standard progressive scan used on the other camera models),
there are some significant differences.
With the architecture of the acA750 sensor, there is only one vertical shift register for each two
physical pixels in the sensor. This leads to what is commonly known as a "field" readout scheme for
the sensor. There are two fields that can be read out of the sensor "Field 0" and "Field 1". The main
difference between Field 0 and Field 1 is that they combine the pixels in the sensor rows in different
ways.
As shown in Figure 27, with Field 0 readout the pixel values from row 0 are binned with the pixel
values from row 1, the pixel values from row 2 are binned with the pixel values from row 3, the pixel
values from row 4 are binned with the pixel values from row 5, and so on.
Vertical
Shift
Registers
Fig. 27: Field 0 Readout
72
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acA-750 Acquisition Differences

Overview

Pixels
Horizontal Shift Registers
Row 0
Row 1
Row 2
Row 3
Row 4
Row 5
Row 6
Row 7
Row 8
Row 9
Row 10
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