On the "Sequence AOI" tab you do the settings for the sequence AOI mode of some uEye cameras. In this mode you can capture e.g. the same AOI with different parameter sets – exposure, gain, etc. (see Basics: Area of interest (AOI)).
In contrast to the Multi AOI the different AOIs are captured one after another in sequence AOI mode. The sensor readouts all AOIs sequentially and transfers the images as e.g. the same AOI is readout four times. The frame rates are identical, but you can define different settings. For every AOI exposure time and master gain can be set individually. For example you can capture the same AOI at first with a short exposure time and after this with a long exposure time. An advantage of the sequence AOI mode is that you need no time for moves of the position and it is not necessary to reprogram the AOI.
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Beside the normal AOI (AOI 1) you can define up to three AOIs (AOI 2-4). These additional AOI have the same size as AOI 1, but you can set different parameters for:
•Position of AOI
•Exposure time
•Gain
•Readout cycles (number of images)
Fig. 130: uEye Properties - Sequence AOI
After you have defined an AOI, open the "Sequence AOI" tab. In the upper area you see the position and size of AOI 1. In the area below you define the further AOIs.
•Number of used AOIs
Here, you define the numbers of additional AOI. If you select further AOIs, the parameters of AOI 1 are copied for the new AOI initially.
•Current AOI
Here, you select the AOI which parameters you want to edit. You can only change the parameters of AOI 2, 3 or 4.
•Automatic copying of the AOI 1 image parameters
If you change AOI 1, e.g. set a new exposure time, these changes are copied to AOI 2 etc. if this option is activated. Otherwise the changes of AOI 1 have no influence on the further AOIs.
•Show AOI index in image
Activate this option see in the left upper corner the number of the AOI. By default the font has the color black.
•X position/Y position
Moves the current AOI in vertical or horizontal direction respectively. An overlapping of the different AOIs is possible.
•Exposure time
Changes the exposure time of the current AOI.
•Master gain
Setting the gain for the current AOI.
•Readout cycles
Here, you can define for AOI 2-4 how often they are readout and the images are transferred. AOI 1 is always readout once.
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