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AXISQ16NetworkCameraSeries
Setup
Howtoenhancelicenseplaterecognition
Tobetterrecognizethelicenseplateofacarpassingbythecamera,youcanapplyandadjustanumberofthings.
Oneoptionistousethepixelcounterinyourcameratosettheoptimalpixelresolution:
1.GotoSettings>System>Orientationandclick
.
2.Adjustthesizeandplacementoftherectangleinthecamera’sliveviewaroundtheareaofinterest,forexample
wherethelicenseplatesofpassingcarsareexpectedtoappear.Youcanthenseethenumberofpixelsrepresentedby
thesidesoftherectangle.
Note
Youcanuseanobjectofaknownsizeintheviewasareferencetodecidehowmuchresolutionisneededforrecognition.
Inaddition,youcantrytoadjustthefollowingtooptimizelicenseplaterecognition:
•Shutterspeed
•Gain
•Zoom
Aboutviewarea
Aviewareaisacroppedpartofthefullview.Youcanstreamandstoreviewareasinsteadofthefullviewtominimizebandwidth
andstorageneeds.IfyouenablePTZforaviewarea,youcanpan,tiltandzoomwithinit.Byusingviewareasyoucanremoveparts
ofthefullview,forexample,thesky.
Whenyousetupaviewarea,werecommendyoutosetthevideostreamresolutiontothesamesizeasorsmallerthantheviewarea
size.Ifyousetthevideostreamresolutionlargerthantheviewareasizeitimpliesdigitallyscaledupvideoaftersensorcapture,
whichrequiresmorebandwidthwithoutaddingimageinformation.
Howtohandlesceneswithstrongbacklight
Tomakebothdarkandbrightareasoftheimagevisible,turnonWDR.
1.GotoSettings>Image.
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