Axis Q1931-E Manuale Utente Scaricare il pdf (Pagina 18)

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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Axis Q1931-E Manuale Utente Pagina 18