AXISQ1931–EPTMountThermalNetworkCamera
Video
OverlayImage
Anoverlayimageisastaticimagesuperimposedoverthevideostream.Theimage,forexampleacompanylogo,isusedtoprovide
extrainformationortomaskapartoftheimage.
Sinceitisstatic,thepositionandsizeofanoverlayimagewillremainthesameregardlessofresolutionandPan/Tiltmovements.Use
aprivacymasktosetupadynamicmaskwhichwillalwaysmaskthespeciedpartofmonitoredarea.
Formoreinformationaboutprivacymasks,seePrivacyMaskonpage19.
Touseanoverlayimage,theimagemustrstbeuploadedtotheAxisproduct.TheuploadedimageshouldbeaWindows24-bitBMP
imagewithmaximum250colors.Theimagewidthandheight,inpixels,mustbeexactlydivisibleby4andcannotbelargerthanthe
maximumimageresolution.Ifcombiningtextandimageoverlays,takeintoconsiderationthatthetextoverlayoccupies16or32
pixelsinheight(dependingontheresolution)andhasthesamewidthasthevideoimage.
ToautomaticallyscaletheimagetotheresolutionusedbytheAxisproduct,selecttheoptionScalewithresolutionfromthe
TransparencySettingspagewhichisdisplayedwhenuploadingintheimage.
Touploadanoverlayimage:
1.GotoVideo>OverlayImage.
2.ClickBrowseandbrowsetothele.
3.ClickUpload.
4.TheTransparencySettingspageisnowdisplayed:
-Tomakeacolorintheoverlayimagetransparent,selectUsetransparencyandentertheRGBhexadecimalvalue
forthecolor.Example:Tomakewhitetransparent,enter#FFFFFF.
-Toscaletheimageautomatically ,selectScalewithresolution.Theimagewillbescaleddowntotthe
resolutionusedbytheAxisproduct.
5.ClickSave.
Toselecttheimagetouseasoverlay:
1.GotoVideo>OverlayImage.
2.SelecttheimagetousefromtheUseoverlayimagelistandclickSave.
Todisplaytheoverlayimage:
1.GotoVideo>VideoStreamandselecttheImagetab.
2.UnderOverlaySettings,selectIncludeoverlayimageatthecoordinates.
3.Tocontroltheimage’sposition,entertheXandYcoordinates.TheX=0andY=0positionisthetopleftcorner.Ifapartof
theimageispositionedoutsidethevideoimage,theoverlayimagewillbemovedsothatthewholeimageisvisible.
4.ClickSave.
UseOverlayTextinanActionRule
Actionrules,seepage31,candisplayanoverlaytextwhentheruleistriggered.Thetextcanbeusedtoprovideinformationfor
forensicvideoanalysis,notifysurveillanceoperatorsorvalidatetriggersandactionsduringproductinstallationandconguration.
Todisplayoverlaytextwhenanactionruleistriggered,themodier#Dshouldbeusedasdescribedbelow.Whentheruleis
triggered,#Dwillbereplacedbythetextspeciedintheactionrule.
Startbyenablingoverlaytextinthevideostream:
1.GotoVideo>VideoStreamandselecttheImagetab.
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