Standard Features AW00089317000
216 Basler ace GigE
10.5 Image Area of Interest (AOI)
The image area of interest (AOI) feature lets you specify a portion of the sensor array and after each
image is acquired, only the pixel information from the specified portion of the array is read out of the
sensor and into the camera’s image buffer.
The area of interest is referenced to the top left corner of the sensor array. The top left corner is
designated as column 0 and row 0 as shown in Figure 94.
The location and size of the area of interest is defined by declaring an offset X (coordinate), a width,
an offset Y (coordinate), and a height. For example, suppose that you specify the offset X as 10,
the width as 16, the offset Y as 6, and the height as 10. The area of the array that is bounded by
these settings is shown in Figure 94.
The camera will only transmit pixel data from within the area defined by your settings. Information
from the pixels outside of the area of interest is discarded.
One of the main advantages of the AOI feature is that decreasing the height of the AOI can increase
the camera’s maximum allowed acquisition frame rate.
For more information about how changing the AOI height effects the maximum allowed frame rate,
see Section 7.12 on page 152.
Offset
Y
Row
Column
Offset X
Width
The camera
will only
transmit the
pixel data
from this
area
Height
Fig. 94: Area of Interest
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