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Piranha4 4K Camera Color User's Manual
03-032-20180-01
Teledyne DALSA
AOI Offset X
m u ltip leAOIOffsetX
Set the start of area of interest (p ixels)
1.00
Beginner
AOI Wid th
m u ltip leAOIWid th
Set the w id th of area of interest (p ixels)
1.00
Beginner
DFN C
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 ect ing 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. Since the AOI featu re red u ces the am ou nt of d ata ou 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, m ed iu m , or fu ll cam era link
m od es.
For exam p le, if the total nu m ber of p ixels for the sp ecified AOI`s is less than 1 K w hen u sing base Cam era
Link m od e at 85 MH z, the m axim u m EXSYN C rate can be 70 KH z; versu s 20 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 th at 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 al 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 that AOI.
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