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56
Area of Interest (AOI) Setup
The Area of Interest (AOI) featu re can be u sed to red u ce the am ou nt of im age-d ata ou tp u t from the
cam era. Use this featu re w hen there are areas in the im age that contain u nneed ed inform ation.
An exam p le w here you w ou ld u se this featu re is in an ap p lication that is insp ecting several sep arated
lanes of objects w ith one cam era and the im age betw een the lanes can be ignored .
The AOI featu re allow s from one to fou r sp ecific areas of the p ixel line to be sp ecified w here im age d ata
w ill be ou tp u t. Sin ce the AOI featu re red u ces the am ou nt of d ata o u tp u t, this has the ad d itional benefit of
allow ing the cam eras to op erate at higher EXSYN C rates w hen u sing base or m ed iu m cam era link m od es.
For exam p le, in the 4k cam era m od el, if the total nu m ber of p ixels for the sp ecified AOI`s is less th an 1 K
w hen u sing base Cam era Link m od e at 77 MH z, the m axim u m EXSYN C rate can be 80 kH z; versu s 56
kH z if all 4 K p ixels w ere ou tp u t.
N ote: The setu p of AOI is alw ays w ith resp ect to the sensor. Therefore, if you are u sing the m irroring
m od e w ith AOI, be aw are that p ixel one w ill be on the right sid e of the d isp layed im age.
In order to set up an AOI for the camera:
1.
The AOI m od e m u st first be in the off p osition.
2.
Use the AOI Cou nt to select the total nu m ber of AOIs d esired to a m ax of 4.
3.
To set u p each AOI ind ivid u ally u se the AOI Selector to p oint to the AOI to be set u p .
4.
AOI Offset X is u sed ind icate the starting p ixel of the AOI.
5.
AOI Wid th is u sed to ind icate the w id th of the AOI.
03-032-20206-00
1. Must be off to
set up the AOI.
3. Select area to
set up.
Linea 2K and 4K Monochrome Line Scan Camera User's Manual
2. Set up the num ber of
AOI d esired to m ax of 4.
4. Select beginning of
selected area
5. Set up w id th of
selected area
Teledyne DALSA
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