Axis Q6075 - Low-Light and Noise Reduction

AXISQ60Series
Configureyourdevice
1.Pan,tilt,andzoomintothefocusrecallareayouwanttodelete.
Thefocusrecallbuttontogglestominuswhenthecameradetectsafocusrecallarea:
.
2.Clickthefocusrecallbutton.
BenetfromIRlightinlow-lightconditionsbyusingnightmode
Yourcamerausesvisiblelighttodelivercolorimagesduringtheday.Butasthevisiblelightdiminishes,colorimagesbecomeless
brightandclear.Ifyouswitchtonightmodewhenthishappens,thecamerausesbothvisibleandnear-infraredlighttodeliverbright
anddetailedblack-and-whiteimagesinstead.Youcansetthecameratoswitchtonightmodeautomatically.
1.GotoVideo>Image>Day-nightmode,andmakesurethattheIR-cutlterissettoAuto.
2.Tosetatwhatlightlevelyouwantthecameratoswitchtonightmode,movetheThresholdslidertowardBrightorDark.
Note
Ifyousettheswitchtonightmodetooccurwhenit’sbrighter,theimageremainssharperasthereislesslow-lightnoise.If
yousettheswitchtooccurwhenit’sdarker,theimagecolorsaremaintainedforlonger,butthereismoreimageblurdue
tolow-lightnoise.
Reducenoiseinlow-lightconditions
Toreducenoiseinlow-lightconditions,youcanadjustoneormoreofthefollowingsettings:
•Adjustthetrade-offbetweennoiseandmotionblur.GotoVideo>Image>ExposureandmovetheBlur-noisetrade-off
slidertowardLownoise.
Note
Ahighmaxshuttervaluecanresultinmotionblur.
•Toslowdowntheshutterspeed,setmaxshuttertothehighestpossiblevalue.
Note
Whenyoureducethemaxgain,theimagecanbecomedarker.
•Setthemaxgaintoalowervalue.
•Ifpossible,opentheaperture.
Handlesceneswithstrongbacklight
Dynamicrangeisthedifferenceinlightlevelsinanimage.Insomecasesthedifferencebetweenthedarkestandthebrightest
areascanbesignicant.Theresultisoftenanimagewhereeitherthedarkorthebrightareasarevisible.Widedynamicrange
(WDR)makesbothdarkandbrightareasoftheimagevisible.
1.GotoVideo>Image>Widedynamicrange.
2.TosettheamountofWDR,selectLow,MediumorHighfromtheWDRlevellist.
3.Ifyoustillhaveproblems,gotoExposureandadjusttheExposurezonetocovertheareaofinterest.
FindoutmoreaboutWDRandhowtouseitataxis.com/web-articles/wdr.
Verifythepixelresolution
Toverifythatadenedpartoftheimagecontainsenoughpixelsto,forexample,recognizethefaceofaperson,youcanusethe
pixelcounter.
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