Axis Q8752-E - Page 18

AXISQ8752-EBispectralPTZNetworkCamera
Thewebinterface
•Videoformat:Selecttheencodingformattouseintheliveview.
•Clientstreaminformation:Turnontoshowdynamicinformationaboutthevideostreamusedbythebrowserthat
showsthelivevideostream.Thebitrateinformationdiffersfromtheinformationshowninatextoverlay,becauseof
differentinformationsources.Thebitrateintheclientstreaminformationisthebitrateofthelastsecond,andit
comesfromtheencodingdriverofthedevice.Thebitrateintheoverlayistheaveragebitrateofthelast5seconds,
anditcomesfromthebrowser.Bothvaluescoveronlytherawvideostreamandnottheadditionalbandwidth
generatedwhenit’stransportedoverthenetworkthroughUDP/TCP/HTTP.
•Adaptivestream:Turnontoadapttheimageresolutiontotheviewingclient’sactualdisplayresolution,toimprove
theuserexperienceandhelppreventapossibleoverloadoftheclient’shardware.Theadaptivestreamisonly
appliedwhenyouviewthelivevideostreaminthewebinterfaceinabrowser.Whenadaptivestreamisturnedon,
themaximumframerateis30fps.Ifyoutakeasnapshotwhileadaptivestreamisturnedon,itwillusetheimage
resolutionselectedbytheadaptivestream.
•Levelgrid:Click
toshowthelevelgrid.Thegridhelpsyoudecideiftheimageishorizontallyaligned.Click
tohideit.
•Pixelcounter:Click
toshowthepixelcounter.Dragandresizetheboxtocontainyourareaofinterest.Youcan
alsodenethepixelsizeoftheboxintheWidthandHeightelds.
•Refresh:Click
torefreshthestillimageintheliveview.
•PTZcontrols
:TurnontodisplayPTZcontrolsintheliveview.
Clicktoshowtheliveviewatfullresolution.Ifthefullresolutionislargerthanyourscreensize,usethesmallerimageto
navigateintheimage.
Clicktoshowthelivevideostreaminfullscreen.PressESCtoexitfullscreenmode.
Installation
Capturemode:Acapturemodeisapresetcongurationthatdeneshowthecameracapturesimages.Whenyouchange
thecapturemode,itcanaffectmanyothersettings,suchasviewareasandprivacymasks.
Mountingposition:Theorientationoftheimagecanchangedependingonhowyoumountthecamera.
Powerlinefrequency:Tominimizeimageicker,selectthefrequencyyourregionuses.TheAmericanregionsusuallyuse60Hz.
Therestoftheworldmostlyuses50Hz.Ifyou'renotsureofyourregion'spowerlinefrequency,checkwiththelocalauthorities.
Imagecorrection
Important
Werecommendyounottousemultipleimagecorrectionfeaturesatthesametime,sinceitcanleadtoperformanceissues.
Barreldistortioncorrection(BDC):Turnontogetastraighterimageifitsuffersfrombarreldistortion.Barreldistortion
isalenseffectthatmakestheimageappearcurvedandbentoutwards.Theconditionisseenmoreclearlywhentheimageis
zoomedout.
Crop
:Usetheslidertoadjustthecorrectionlevel.Alowerlevelmeansthattheimagewidthiskeptattheexpenseof
imageheightandresolution.Ahigherlevelmeansthatimageheightandresolutionarekeptattheexpenseofimagewidth.
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